/* EduYantra Styles */ 

/* Completed */


    .edit-profile-mobile {
        min-width: 500px;
        max-width: 600px;
        min-height: 400px;
        max-height: 90vh;
        border-radius: 12px;
        box-shadow: 0 2px 16px rgba(102,126,234,0.12);
        overflow-y: visible;
    }
    .edit-profile-mobile .btn-primary.w-100 {
        display: none;
    }
/* EduYantra */

html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    overflow-x: hidden;
}

:root {
    
    
    --primary-color: #4f46e5;          
    --primary-hover: #4338ca;          
    --primary-light: #6366f1;          
    --primary-ultra-light: #e0e7ff;    
    
    
    --secondary-color: #7c3aed;        
    --secondary-hover: #6d28d9;        
    --accent-color: #ec4899;           
    --accent-hover: #db2777;           
    
    
    --success-color: #10b981;          
    --success-hover: #059669;          
    --success-light: #d1fae5;          
    --danger-color: #ef4444;           
    --danger-hover: #dc2626;           
    --danger-light: #fee2e2;           
    --warning-color: #f59e0b;          
    --warning-hover: #d97706;          
    --warning-light: #fef3c7;          
    --info-color: #06b6d4;             
    --info-hover: #0891b2;             
    --info-light: #cffafe;             
    
    
    --bg-primary: #ffffff;             
    --bg-secondary: #f8fafc;           
    --bg-tertiary: #f1f5f9;            
    --bg-quaternary: #e2e8f0;          
    --bg-overlay: rgba(255, 255, 255, 0.95);
    
    
    --text-primary: #1e293b;           
    --text-secondary: #475569;         
    --text-tertiary: #64748b;          
    --text-muted: #94a3b8;             
    --text-inverse: #ffffff;           
    
    
    --border-color: #e2e8f0;           
    --border-hover: #cbd5e1;           
    --border-focus: var(--primary-color); 
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);
    --shadow-colored: 0 8px 25px rgba(79, 70, 229, 0.15);
    
    
    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --gradient-secondary: linear-gradient(135deg, #ec4899 0%, #f97316 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-info: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-hero: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
    
    
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.2);
    
    --ease-smooth: cubic-bezier(0.4, 0.0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-fast: 0.2s var(--ease-smooth);
    --transition-normal: 0.3s var(--ease-smooth);
    --transition-slow: 0.5s var(--ease-smooth);
    
    /* Header Theme Variables */
    --header-height: 80px;
    --header-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --logo-bg: rgba(255, 255, 255, 0.2);
    --logo-icon-color: #ffffff;
    --brand-color: #ffffff;
    --theme-toggle-bg: rgba(255, 255, 255, 0.15);
    --theme-toggle-border: rgba(255, 255, 255, 0.3);
    --theme-toggle-hover-bg: rgba(255, 255, 255, 0.25);
    --theme-icon-color: #ffffff;
    --profile-bg: rgba(255, 255, 255, 0.95);
    --profile-border: rgba(255, 255, 255, 0.4);
    --profile-hover-border: rgba(255, 255, 255, 0.7);
}

body.dark-mode {
    
    --bg-primary: #0f172a;             
    --bg-secondary: #1e293b;           
    --bg-tertiary: #334155;            
    --bg-quaternary: #475569;          
    --bg-overlay: rgba(15, 23, 42, 0.95);
    
    
    --text-primary: #f8fafc;           
    --text-secondary: #e2e8f0;         
    --text-tertiary: #cbd5e1;          
    --text-muted: #94a3b8;             
    --text-inverse: #0f172a;           
    
    
    --primary-color: #6366f1;          
    --primary-hover: #4f46e5;          
    --primary-light: #a5b4fc;          
    --primary-ultra-light: #312e81;    
    
    --success-color: #22c55e;          
    --success-hover: #16a34a;          
    --success-light: #bbf7d0;          
    
    --danger-color: #ef4444;           
    --danger-hover: #dc2626;           
    --danger-light: #fecaca;           
    
    --warning-color: #f59e0b;          
    --warning-hover: #d97706;          
    --warning-light: #fed7aa;          
    
    --info-color: #06b6d4;             
    --info-hover: #0891b2;             
    --info-light: #a7f3d0;             
    
    
    --border-color: #374151;           
    --border-hover: #6b7280;           
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
    --shadow-colored: 0 8px 25px rgba(99, 102, 241, 0.3);
    
    
    --glass-bg: rgba(15, 23, 42, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    
    
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #ec4899 0%, #f97316 100%);
    --gradient-success: linear-gradient(135deg, #22c55e 0%, #15803d 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-info: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    
    /* Header Theme Variables for Dark Mode */
    --header-bg: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
    --logo-bg: rgba(139, 92, 246, 0.2);
    --logo-icon-color: #a78bfa;
    --brand-color: #e0e7ff;
    --theme-toggle-bg: rgba(139, 92, 246, 0.15);
    --theme-toggle-border: rgba(139, 92, 246, 0.3);
    --theme-toggle-hover-bg: rgba(139, 92, 246, 0.25);
    --theme-icon-color: #a78bfa;
    --profile-bg: rgba(139, 92, 246, 0.2);
    --profile-border: rgba(139, 92, 246, 0.4);
    --profile-hover-border: rgba(139, 92, 246, 0.6);
}


body {
    color: var(--text-primary) !important;
    background-color: var(--bg-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
    color: inherit;
}

.gradient-bg,
.hero-section,
.card-gradient,
.btn-gradient,
[style*="gradient"],
[class*="bg-gradient"] {
    color: #ffffff !important;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.gradient-bg *,
.hero-section *,
.card-gradient *,
.btn-gradient *,
[style*="gradient"] *,
[class*="bg-gradient"] * {
    color: #ffffff !important;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.card,
.modern-card,
.course-card,
.saved-course-card,
.stat-card,
.feature-card {
    background: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color);
}

.card *,
.modern-card *,
.course-card *,
.saved-course-card *,
.stat-card *,
.feature-card * {
    color: var(--text-primary) !important;
}

.card-header {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border-bottom: 1px solid var(--border-color);
}

.card-header *,
.card-title,
.card-subtitle {
    color: var(--text-primary) !important;
}

.btn-primary,
.btn-success,
.btn-danger,
.btn-warning,
.btn-info,
.btn-secondary {
    color: #ffffff !important;
    font-weight: 600;
}

.btn-primary *,
.btn-success *,
.btn-danger *,
.btn-warning *,
.btn-info *,
.btn-secondary * {
    color: #ffffff !important;
}

.btn-outline-primary,
.btn-outline-success,
.btn-outline-danger,
.btn-outline-warning,
.btn-outline-info,
.btn-outline-secondary {
    color: var(--primary-color) !important;
    border-color: var(--primary-color);
    background: var(--bg-primary);
}

.btn-outline-primary:hover,
.btn-outline-success:hover,
.btn-outline-danger:hover,
.btn-outline-warning:hover,
.btn-outline-info:hover,
.btn-outline-secondary:hover {
    color: #ffffff !important;
    background: var(--primary-color);
}

.bg-light,
.bg-white,
.alert-light,
.badge.bg-light {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color);
}

.bg-light *,
.bg-white *,
.alert-light *,
.badge.bg-light * {
    color: var(--text-primary) !important;
}

.bg-dark,
.bg-primary,
.bg-success,
.bg-danger,
.bg-warning,
.bg-info {
    color: #ffffff !important;
}

.bg-dark *,
.bg-primary *,
.bg-success *,
.bg-danger *,
.bg-warning *,
.bg-info * {
    color: #ffffff !important;
}

.text-muted,
.small,
.card-subtitle,
.text-secondary {
    color: var(--text-tertiary) !important;
    opacity: 0.85;
}

a {
    color: var(--primary-color) !important;
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover,
a:focus {
    color: var(--primary-hover) !important;
    text-decoration: underline;
}

.sidebar a {
    color: var(--text-secondary) !important;
}

.sidebar a:hover,
.sidebar a.active {
    color: var(--primary-color) !important;
    background: var(--bg-tertiary);
}

.navbar,
.nav-link {
    color: var(--text-primary) !important;
}

.navbar-brand {
    color: var(--primary-color) !important;
    font-weight: 700;
}

.form-control,
.form-select,
input,
textarea,
select {
    background: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    border: 2px solid var(--border-color) !important;
}

.form-control:focus,
.form-select:focus,
input:focus,
textarea:focus,
select:focus {
    background: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1) !important;
}

.form-control::placeholder,
input::placeholder,
textarea::placeholder {
    color: var(--text-muted) !important;
    opacity: 0.7;
}

.modal-content {
    background: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color);
}

.modal-header,
.modal-body,
.modal-footer {
    color: var(--text-primary) !important;
}

.modal-title {
    color: var(--text-primary) !important;
    font-weight: 600;
}

.dropdown-menu {
    background: var(--bg-primary) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: var(--shadow-lg);
}

.dropdown-item {
    color: var(--text-primary) !important;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

.table {
    color: var(--text-primary) !important;
    background: var(--bg-primary);
}

.table th,
.table td {
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

.badge {
    font-weight: 600;
    font-size: 0.8rem;
}

.badge.bg-light {
    background: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color);
}

.progress {
    background: var(--bg-tertiary) !important;
}

.list-group-item {
    background: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

body.dark-mode {
    --success-light: #064e3b;          
    --danger-color: #f87171;           
    --danger-light: #7f1d1d;           
    --warning-color: #fbbf24;          
    --warning-light: #78350f;          
    --info-color: #22d3ee;             
    --info-light: #164e63;             
    
    
    --border-color: #475569;           
    --border-hover: #64748b;           
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.5);
    --shadow-colored: 0 8px 25px rgba(129, 140, 248, 0.2);
    
    
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    
    --gradient-primary: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);
    --gradient-secondary: linear-gradient(135deg, #f472b6 0%, #fb7185 100%);
    --gradient-success: linear-gradient(135deg, #34d399 0%, #10b981 100%);
    --gradient-warning: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    --gradient-info: linear-gradient(135deg, #22d3ee 0%, #06b6d4 100%);
    --gradient-danger: linear-gradient(135deg, #f87171 0%, #ef4444 100%);
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: all var(--transition-normal);
}

body, .navbar, .sidebar, .card, .main-wrapper, .footer, 
.stat-card, .feature-card, .course-card, .btn, .form-control, 
.form-select, textarea, input, .modal-content, .table, .badge, 
.alert, .dropdown-menu, .nav-link, .list-group-item {
    transition: background-color var(--transition-normal), 
                color var(--transition-normal), 
                border-color var(--transition-normal), 
                box-shadow var(--transition-normal),
                transform var(--transition-fast),
                opacity var(--transition-fast);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-secondary);
    min-height: 100vh;
    color: var(--text-primary);
    font-weight: 400;
    line-height: 1.6;
    scroll-behavior: smooth;
    overflow-x: hidden;
    transition: all var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-info { color: var(--info-color) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-white { color: var(--text-inverse) !important; }

body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6 {
    color: var(--text-primary);
}

body.dark-mode .text-white {
    color: var(--text-primary) !important;
}



.btn {
    border-radius: 12px;
    font-weight: 600;
    padding: 12px 24px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    font-size: 0.95rem;
    letter-spacing: 0.025em;
    color: #ffffff !important;
}

.btn * {
    color: inherit !important;
}

.btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover:before {
    left: 100%;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
    color: #ffffff !important;
    background: linear-gradient(135deg, #6366f1 0%, #7c3aed 100%);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    border: none;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
    color: #ffffff !important;
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
    border: none;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
    color: #ffffff !important;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
    border: none;
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
    color: #ffffff !important;
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
}

.btn-info {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
    border: none;
}

.btn-info:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
    color: #ffffff !important;
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
}

.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%);
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(108, 117, 125, 0.3);
    border: none;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(108, 117, 125, 0.4);
    color: #ffffff !important;
    background: linear-gradient(135deg, #5a6268 0%, #495057 100%);
}

.btn-light {
    background: var(--bg-tertiary);
    color: var(--text-primary) !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 2px solid var(--border-color);
}

.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    color: var(--text-primary) !important;
    background: var(--bg-quaternary);
}

.btn-dark {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.3);
    border: none;
}

.btn-dark:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(15, 23, 42, 0.4);
    color: #ffffff !important;
    background: linear-gradient(135deg, #0f172a 0%, #020617 100%);
}

.btn-success {
    background: var(--gradient-success);
    color: var(--text-inverse);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
    color: var(--text-inverse);
}

.btn-outline-primary {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    backdrop-filter: blur(10px);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.3);
}

.card,
.modern-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.card:hover,
.modern-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.card-header {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-bottom: 1px solid var(--border-color);
    border-radius: 16px 16px 0 0;
    padding: 1.5rem;
    position: relative;
}

.card-body {
    padding: 2rem;
    background: var(--bg-primary);
}

.course-card,
.saved-course-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.course-card:before,
.saved-course-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.course-card:hover,
.saved-course-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.course-card:hover:before,
.saved-course-card:hover:before {
    opacity: 1;
}

.form-control,
.form-select {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    padding: 12px 16px;
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.badge {
    padding: 8px 12px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.025em;
}

.badge.bg-light {
    background: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color);
}

.alert {
    border: none;
    border-radius: 12px;
    padding: 1rem 1.5rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.alert-success {
    background: linear-gradient(135deg, var(--success-light), rgba(16, 185, 129, 0.1));
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background: linear-gradient(135deg, var(--danger-light), rgba(239, 68, 68, 0.1));
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background: linear-gradient(135deg, var(--warning-light), rgba(245, 158, 11, 0.1));
    color: var(--warning-color);
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    background: linear-gradient(135deg, var(--info-light), rgba(6, 182, 212, 0.1));
    color: var(--info-color);
    border-left: 4px solid var(--info-color);
}

.modal-content {
    border-radius: 16px;
    border: none;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    border-radius: 16px 16px 0 0;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 16px 16px;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
    transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

.navbar {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1030;
    transition: all var(--transition-normal);
}

.navbar:hover {
    box-shadow: var(--shadow-lg);
}

.navbar-brand {
    color: var(--text-primary) !important;
    font-weight: 700;
    font-size: 1.25rem;
}

.navbar-brand:hover {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: all var(--transition-normal);
    position: relative;
    padding: 0.75rem 1rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 80%;
}

body.dark-mode .navbar {
    background: var(--glass-bg) !important;
    border-bottom: 1px solid var(--border-color);
}

body.dark-mode .navbar-brand {
    color: var(--text-primary) !important;
}

body.dark-mode .navbar-nav .nav-link {
    color: var(--text-secondary) !important;
}

body.dark-mode .navbar-nav .nav-link:hover,
body.dark-mode .navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
}

body.dark-mode .dropdown-menu {
    background: #1e293b;
    border: 1px solid #334155;
}

body.dark-mode .dropdown-item {
    color: #f1f5f9;
}

body.dark-mode .dropdown-item:hover {
    background: #334155;
    color: white;
}

.hamburger-btn {
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 35px;
    height: 30px;
    justify-content: center;
    position: relative;
    z-index: 1001;
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.hamburger-line-light {
    background: white;
}

body.dark-mode .hamburger-line {
    background: #f1f5f9;
}

.hamburger-btn.active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger-btn.active .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.hamburger-btn-sidebar {
    transition: all 0.3s ease;
}

.hamburger-btn-sidebar:hover {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

.sidebar.collapsed .hamburger-btn-sidebar {
    margin: 0 auto;
    display: flex;
}

.navbar-brand {
    font-size: 1.6rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: scale(1.1);
}

body.dark-mode .theme-toggle {
    color: var(--text-primary);
}

.theme-toggle-sidebar {
    color: white !important;
    background: rgba(255, 255, 255, 0.1) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    border-radius: 12px !important;
    padding: 0.75rem 1rem !important;
    font-weight: 500 !important;
    transition: all 0.3s ease !important;
    backdrop-filter: blur(10px) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

.theme-toggle-sidebar:hover {
    background: rgba(255, 255, 255, 0.2) !important;
    border-color: rgba(255, 255, 255, 0.3) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

.card {
    border: none;
    border-radius: 20px;
    background: var(--bg-primary);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal), transform var(--transition-slow);
    overflow: hidden;
    position: relative;
    color: var(--text-primary);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.card:hover::before {
    transform: scaleX(1);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.card-header {
    border-radius: 20px 20px 0 0 !important;
    font-weight: 600;
    background: var(--gradient-primary) !important;
    color: var(--text-inverse) !important;
    border: none !important;
    padding: 1.25rem 1.5rem;
    position: relative;
    overflow: hidden;
}

.card-header h1, .card-header h2, .card-header h3, 
.card-header h4, .card-header h5, .card-header h6 {
    color: var(--text-inverse) !important;
    margin-bottom: 0;
}

.card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.card:hover .card-header::before {
    left: 100%;
}

.card-body {
    padding: 1.5rem;
    position: relative;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.card-body h1, .card-body h2, .card-body h3, 
.card-body h4, .card-body h5, .card-body h6 {
    color: var(--text-primary);
}

.card-body p {
    color: var(--text-secondary);
}

.card-body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

.card:hover .card-body::before {
    width: 90%;
}

.card-footer {
    background: var(--bg-tertiary) !important;
    border-top: 1px solid var(--border-color) !important;
    color: var(--text-primary);
    padding: 1rem 1.5rem;
}

.card-header.bg-primary {
    background: var(--gradient-primary) !important;
    color: var(--text-inverse) !important;
}

.card-header.bg-success {
    background: var(--gradient-success) !important;
    color: var(--text-inverse) !important;
}

.card-header.bg-warning {
    background: var(--gradient-warning) !important;
    color: var(--text-inverse) !important;
}

.card-header.bg-info {
    background: var(--gradient-info) !important;
    color: var(--text-inverse) !important;
}

.card-header.bg-danger {
    background: var(--gradient-danger) !important;
    color: var(--text-inverse) !important;
}

.card-header.bg-dark {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-quaternary) 100%) !important;
    color: var(--text-primary) !important;
}

body.dark-mode .card {
    background: var(--bg-primary);
    border-color: var(--border-color);
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
}

body.dark-mode .card:hover {
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

body.dark-mode .card-body {
    background: var(--bg-primary);
    color: var(--text-primary);
}

body.dark-mode .card-body h1, body.dark-mode .card-body h2, 
body.dark-mode .card-body h3, body.dark-mode .card-body h4, 
body.dark-mode .card-body h5, body.dark-mode .card-body h6 {
    color: var(--text-primary);
}

body.dark-mode .card-body p {
    color: var(--text-secondary);
}

body.dark-mode .card-footer {
    background: var(--bg-tertiary) !important;
    border-top-color: var(--border-color) !important;
    color: var(--text-primary);
}

body.dark-mode .card-header.bg-dark {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%) !important;
    color: var(--text-primary) !important;
}

.btn {
    border-radius: 12px;
    padding: 12px 28px;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    border: none;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
    text-transform: none;
    text-decoration: none !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(0);
    transition: transform 0.1s;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-success {
    background: var(--gradient-success);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success:hover {
    background: linear-gradient(135deg, #68d391 0%, #4fd1c7 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.btn-warning {
    background: var(--gradient-warning);
    color: #1a202c;
    box-shadow: var(--shadow-md);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #fbd38d 0%, #f687b3 100%);
    color: #1a202c;
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
}

.btn-info {
    background: var(--gradient-info);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-info:hover {
    background: linear-gradient(135deg, #63b3ed 0%, #4299e1 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
}

.btn-danger {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #fc8181 0%, #f56565 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
}

.btn-outline-primary {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.btn-outline-success {
    background: transparent;
    border: 2px solid var(--success-color);
    color: var(--success-color);
}

.btn-outline-success:hover {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 16px;
    font-weight: 700;
    letter-spacing: 0.8px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
    border-radius: 8px;
}

.form-control, .form-select {
    border-radius: 12px;
    border: 2px solid var(--border-color);
    padding: 12px 16px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-normal);
    font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    outline: none;
    background: var(--bg-primary);
}

body.dark-mode .form-control,
body.dark-mode .form-select {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

body.dark-mode .form-control:focus,
body.dark-mode .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.2);
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn-primary {
    background: var(--gradient-1);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    box-shadow: 0 10px 30px rgba(118, 75, 162, 0.4);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.slide-in {
    animation: slideIn 0.5s ease-out;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
}

.alert {
    border-radius: 10px;
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.form-control, .form-select {
    border-radius: 12px;
    border: 2px solid #e5e7eb;
    padding: 14px 18px;
    transition: all 0.3s ease;
    background: #f9fafb;
    font-size: 0.95rem;
}

body.dark-mode .form-control, 
body.dark-mode .form-select {
    border-color: #334155;
    background: #0f172a;
    color: #f1f5f9;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

body.dark-mode .form-control:focus, 
body.dark-mode .form-select:focus {
    background: #1e293b;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2);
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.table {
    border-radius: 10px;
    overflow: hidden;
    color: var(--text-primary);
}

.table thead th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    border: none;
}

.table-hover tbody tr:hover {
    background: #f0f0f0;
    cursor: pointer;
}

body.dark-mode .table-hover tbody tr:hover {
    background: #334155;
}

.badge {
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 500;
}

footer {
    margin-top: auto;
}

footer a {
    text-decoration: none;
    transition: all 0.3s ease;
}

footer a:hover {
    color: var(--primary-color) !important;
    transform: scale(1.2);
}

.shadow-sm {
    box-shadow: 0 2px 5px rgba(0,0,0,0.1) !important;
}

.shadow {
    box-shadow: 0 5px 15px rgba(0,0,0,0.15) !important;
}

.shadow-lg {
    box-shadow: 0 10px 30px rgba(0,0,0,0.2) !important;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (max-width: 768px) {
                                        .btn-focus-mode {
                                            display: none !important;
                                        }
                                    /* Focus Room Mobile UI Improvements */
                                    .focus-mode-overlay {
                                        padding: 0 !important;
                                        min-width: 100vw !important;
                                        min-height: 100vh !important;
                                        align-items: center !important;
                                        justify-content: center !important;
                                    }
                                    .focus-timer-card {
                                        padding: 1rem !important;
                                        border-radius: 16px !important;
                                        margin-bottom: 1rem !important;
                                        width: 95vw !important;
                                        max-width: 360px !important;
                                        min-width: 0 !important;
                                    }
                                    .focus-timer-display {
                                        width: 160px !important;
                                        height: 160px !important;
                                        min-width: 160px !important;
                                        min-height: 160px !important;
                                        margin: 0 auto !important;
                                    }
                                    .focus-timer-time {
                                        font-size: 1.7rem !important;
                                        text-align: center !important;
                                    }
                                    .focus-timer-status {
                                        font-size: 1rem !important;
                                        text-align: center !important;
                                        margin-bottom: 0.5rem !important;
                                    }
                                    .focus-timer-input {
                                        width: 90px !important;
                                        font-size: 1.1rem !important;
                                        padding: 0.2rem 0.4rem !important;
                                        margin: 0 auto !important;
                                    }
                                    .focus-preset-btn {
                                        width: 100% !important;
                                        padding: 0.6rem 0 !important;
                                        font-size: 1rem !important;
                                        border-radius: 10px !important;
                                        margin-bottom: 0.5rem !important;
                                    }
                                    .timer-controls {
                                        flex-direction: column !important;
                                        gap: 0.7rem !important;
                                        margin-bottom: 1rem !important;
                                    }
                                    .btn-timer-control {
                                        width: 100% !important;
                                        padding: 0.7rem 0 !important;
                                        font-size: 1rem !important;
                                        border-radius: 10px !important;
                                        margin-bottom: 0.5rem !important;
                                    }
                                    .btn-exit-focus {
                                        top: 10px !important;
                                        right: 10px !important;
                                        padding: 0.4rem 1rem !important;
                                        font-size: 0.95rem !important;
                                        border-radius: 8px !important;
                                    }
                                .sidebar {
                                    position: fixed !important;
                                    left: 0 !important;
                                    top: 0 !important;
                                    height: 100vh !important;
                                    width: 80vw !important;
                                    max-width: 320px !important;
                                    z-index: 2000 !important;
                                    transition: transform 0.3s cubic-bezier(.4,0,.2,1);
                                    transform: translateX(-100%);
                                    box-shadow: 0 2px 16px rgba(102,126,234,0.18);
                                    background: var(--header-bg);
                                    display: block !important;
                                }
                                .sidebar.active {
                                    transform: translateX(0);
                                    box-shadow: 0 2px 16px rgba(102,126,234,0.18);
                                }
                                .main-wrapper {
                                    width: 100vw !important;
                                    margin-left: 0 !important;
                                    transition: none !important;
                                }
                                .sidebar + .main-wrapper {
                                    width: 100vw !important;
                                    margin-left: 0 !important;
                                }
                                .mobile-overlay {
                                    position: fixed !important;
                                    top: 0;
                                    left: 0;
                                    width: 100vw;
                                    height: 100vh;
                                    background: rgba(44,62,80,0.18);
                                    z-index: 1999;
                                    display: none;
                                    transition: opacity 0.3s;
                                }
                                .mobile-overlay.active {
                                    display: block !important;
                                    opacity: 1;
                                }
                            .sidebar.collapsed {
                                display: none !important;
                            }
                        .hero-section-light .container,
                        .features-section .container,
                        .pricing-section .container {
                            padding-left: 0.5rem !important;
                            padding-right: 0.5rem !important;
                            max-width: 100vw !important;
                        }
                        .hero-title,
                        .section-title {
                            font-size: 1.5rem !important;
                            text-align: center !important;
                            margin-bottom: 1rem !important;
                        }
                        .hero-description,
                        .section-subtitle {
                            font-size: 1rem !important;
                            text-align: center !important;
                            margin-bottom: 1rem !important;
                        }
                        .hero-image {
                            max-width: 90vw !important;
                            height: auto !important;
                            margin: 0 auto !important;
                            display: block !important;
                        }
                        .feature-card,
                        .pricing-card {
                            margin-bottom: 1rem !important;
                            border-radius: 16px !important;
                            box-shadow: 0 2px 12px rgba(102,126,234,0.10) !important;
                        }
                        .feature-card .card-body,
                        .pricing-card .card-body {
                            padding: 1rem !important;
                        }
                        .icon-wrapper {
                            width: 56px !important;
                            height: 56px !important;
                            font-size: 1.2rem !important;
                        }
                        .floating-card {
                            font-size: 0.9rem !important;
                            padding: 0.3rem 0.7rem !important;
                            border-radius: 10px !important;
                        }
                        .stat-item {
                            font-size: 0.95rem !important;
                            margin-right: 0.7rem !important;
                        }
                        .hero-stats {
                            flex-direction: column !important;
                            gap: 0.5rem !important;
                            margin-bottom: 1rem !important;
                        }
                        .btn-premium-gradient,
                        .btn-premium-outline {
                            width: 100% !important;
                            font-size: 1rem !important;
                            padding: 0.7rem 0 !important;
                            border-radius: 12px !important;
                            margin-bottom: 0.5rem !important;
                        }
                        .btn-content {
                            flex-direction: row !important;
                            gap: 0.5rem !important;
                        }
                        .section-header {
                            margin-bottom: 1.5rem !important;
                        }
                        .row.g-4 > [class^='col-'] {
                            margin-bottom: 1rem !important;
                        }
                        .list-unstyled {
                            font-size: 0.95rem !important;
                        }
                        .pricing-card-popular {
                            box-shadow: 0 4px 16px rgba(102,126,234,0.18) !important;
                        }
                        .popular-badge {
                            font-size: 0.95rem !important;
                            padding: 0.3rem 0.7rem !important;
                            border-radius: 10px !important;
                        }
                    .edit-profile-mobile .modal-body {
                        max-height: 70vh !important;
                        overflow-y: auto !important;
                    }
                    #editProfileForm {
                        max-height: 60vh !important;
                        overflow-y: auto !important;
                    }
                    .header-hamburger-btn {
                        margin-left: 0 !important;
                        margin-right: 0 !important;
                    }
                    .vertical-line-btn {
                        margin-left: 8px !important;
                        margin-right: 8px !important;
                    }
                    .profile-circle {
                        margin-left: 8px !important;
                        margin-right: 8px !important;
                    }
                .edit-profile-mobile .modal-footer {
                    display: none !important;
                }
            .vertical-line-btn {
                width: 4px;
                height: 32px;
                background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
                border: none;
                border-radius: 2px;
                margin-left: 4px;
                margin-right: 8px;
                display: inline-block;
                vertical-align: middle;
                box-shadow: 0 2px 8px rgba(102,126,234,0.12);
            }
        .edit-profile-mobile {
            min-width: 100vw;
            max-width: 100vw;
            min-height: 100vh;
            max-height: 100vh;
            border-radius: 0;
            box-shadow: none;
            overflow-y: auto;
        }
        #editProfileForm {
            padding-bottom: 0.5rem;
        }
        .edit-profile-mobile .modal-body {
            padding-bottom: 0.5rem;
            overflow-y: auto;
            max-height: 70vh;
        }
        .edit-profile-mobile .btn-primary.w-100 {
            font-size: 1.1rem;
            padding: 0.7rem 0;
            border-radius: 12px;
            margin-bottom: 0.5rem;
        }
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .display-1 {
        font-size: 3rem !important;
    }
    
    .display-3 {
        font-size: 2rem !important;
    }
    
    .btn-lg {
        padding: 10px 20px;
        font-size: 1rem;
    }
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

.modal-content {
    border-radius: 15px;
    border: none;
    background: var(--card-bg);
}

body.dark-mode .modal-content {
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.modal-header {
    border-bottom: 2px solid #e0e0e0;
}

body.dark-mode .modal-header {
    border-bottom: 2px solid #334155;
}

.modal-footer {
    border-top: 2px solid #e0e0e0;
}

body.dark-mode .modal-footer {
    border-top: 2px solid #334155;
}

.accordion-button {
    font-weight: 600;
}

.accordion-button:not(.collapsed) {
    background: var(--primary-color);
    color: white;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.progress {
    height: 25px;
    border-radius: 15px;
}

.progress-bar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.toast {
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.bg-gradient-1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.bg-gradient-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.bg-gradient-3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.bg-gradient-4 {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.hero-section {
    background: var(--gradient-hero);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    color: white;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-repeat: no-repeat;
    background-position: bottom;
    background-size: cover;
    opacity: 0.3;
}

.hero-section h1 {
    position: relative;
    z-index: 1;
    animation: fadeIn 1s ease-out;
}

.hero-section p {
    position: relative;
    z-index: 1;
    animation: fadeIn 1.2s ease-out;
}

.hero-section .btn {
    position: relative;
    z-index: 1;
    animation: fadeIn 1.4s ease-out;
}

.hero-section img {
    animation: float 3s ease-in-out infinite;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.features-section {
    background: var(--light-bg);
    position: relative;
}

.feature-card {
    border-radius: 20px;
    transition: all 0.4s ease;
    border: 2px solid transparent;
    background: var(--card-bg);
}

body.dark-mode .feature-card {
    border-color: #334155;
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.25);
}

body.dark-mode .feature-card:hover {
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

.feature-card i {
    transition: all 0.3s ease;
}

.feature-card:hover i {
    transform: scale(1.2) rotate(5deg);
}

.modal-content {
    border-radius: 20px;
    border: none;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-header {
    border-bottom: 2px solid rgba(102, 126, 234, 0.1);
    background: var(--gradient-1);
    color: white;
    border-radius: 20px 20px 0 0;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    border-top: 2px solid rgba(102, 126, 234, 0.1);
}

.modal-body .form-control {
    border-radius: 12px;
    border: 2px solid #e5e7eb;
    padding: 14px 18px;
    transition: all 0.3s ease;
    background: #f9fafb;
}

.modal-body .form-control:focus {
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.modal-body .form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.pricing-card {
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 2px solid transparent;
}

.pricing-card:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.3);
}

.pricing-card .card-header {
    padding: 2rem;
    font-size: 1.5rem;
}

.pricing-card .card-body {
    padding: 2rem;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-card .btn-outline-primary {
    border: 2px solid white;
    color: white;
    background: transparent;
}

.pricing-card .btn-outline-primary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-3px);
    border-color: white;
}

.btn-outline-light {
    border: 2px solid white;
    color: white;
    background: transparent;
}

.btn-outline-light:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-3px);
    border-color: white;
}

.pricing-card .btn-light {
    background: white;
    color: var(--primary-color);
    border: none;
}

.pricing-card .btn-light:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--secondary-color);
    transform: translateY(-3px);
}

.alert-floating {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    min-width: 300px;
    animation: slideInRight 0.5s ease-out;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}



.sidebar {
    position: fixed;
    left: 0;
    top: var(--header-height);
    height: calc(100vh - var(--header-height));
    width: 280px;
    background: var(--header-bg);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    z-index: 1000;
    transition: all var(--transition-normal);
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: var(--shadow-lg);
}

.sidebar-header {
    padding: 0.8rem 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    background: transparent;
    color: var(--text-inverse) !important;
    position: relative;
    overflow: hidden;
}

.sidebar-header h4 {
    color: var(--text-inverse) !important;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
    position: relative;
    z-index: 1;
}

.sidebar-header .user-info {
    color: var(--text-inverse) !important;
    position: relative;
    z-index: 1;
}

.sidebar-header .user-info p,
.sidebar-header .user-info small {
    color: var(--text-inverse) !important;
}

.sidebar-header .user-avatar i {
    color: var(--text-inverse) !important;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.sidebar-header .hamburger-btn {
    position: relative;
    z-index: 1;
}

.sidebar-header button {
    position: relative;
    z-index: 1;
}

.sidebar-header .user-avatar .profile-avatar-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.3);
    object-fit: cover;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.sidebar-header .user-avatar .profile-avatar-img:hover {
    border-color: rgba(255, 255, 255, 0.6);
    transform: scale(1.05);
}

.sidebar-menu {
    list-style: none;
    padding: 1.5rem 0;
    margin: 0;
    background: var(--bg-primary);
    border-radius: 20px 0 0 0;
}

.sidebar-menu li {
    margin: 0.5rem 0;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    border-radius: 0 25px 25px 0;
    margin-right: 1rem;
}

.sidebar-menu a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: var(--primary-color);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform var(--transition-normal);
}

.sidebar-menu a::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--primary-ultra-light), transparent);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: var(--primary-ultra-light);
    color: var(--primary-color);
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.sidebar-menu a:hover::before,
.sidebar-menu a.active::before {
    transform: scaleY(1);
}

.sidebar-menu a:hover::after {
    transform: translateX(100%);
}

.sidebar-menu a i {
    font-size: 1.2rem;
    width: 30px;
    margin-right: 1rem;
    text-align: center;
    transition: all var(--transition-normal);
}

.sidebar-menu a:hover i,
.sidebar-menu a.active i {
    transform: scale(1.2);
    color: var(--primary-color);
}

.sidebar-menu a span {
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition-normal);
}

.sidebar-menu a.text-danger {
    color: var(--danger-color) !important;
}

.sidebar-menu a.text-danger:hover {
    background: var(--danger-light);
    color: var(--danger-color) !important;
}

body.dark-mode .sidebar {
    background: var(--header-bg);
    border-right: 1px solid rgba(139, 92, 246, 0.2);
    box-shadow: var(--shadow-xl);
    color: var(--text-primary);
}

body.dark-mode .sidebar-header {
    background: transparent;
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
    color: var(--text-inverse) !important;
}

body.dark-mode .theme-toggle-sidebar {
    background: rgba(139, 92, 246, 0.15) !important;
    border-color: rgba(139, 92, 246, 0.3) !important;
    color: #e0e7ff !important;
}

body.dark-mode .theme-toggle-sidebar:hover {
    background: rgba(139, 92, 246, 0.25) !important;
    border-color: rgba(139, 92, 246, 0.4) !important;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2) !important;
}

body.dark-mode .sidebar-header h4,
body.dark-mode .sidebar-header .user-info,
body.dark-mode .sidebar-header .user-info p,
body.dark-mode .sidebar-header .user-info small,
body.dark-mode .sidebar-header .user-avatar i {
    color: var(--text-inverse) !important;
}

body.dark-mode .sidebar-menu {
    background: var(--bg-primary);
}

body.dark-mode .sidebar-menu a {
    color: var(--text-secondary);
}

body.dark-mode .sidebar-menu a:hover,
body.dark-mode .sidebar-menu a.active {
    background: var(--primary-ultra-light);
    color: var(--primary-color);
}

body.dark-mode .sidebar-menu a.text-danger {
    color: var(--danger-color) !important;
}

body.dark-mode .sidebar-menu a.text-danger:hover {
    background: var(--danger-light);
    color: var(--danger-color) !important;
}

.sidebar.collapsed {
    width: 80px;
}

.sidebar.collapsed .sidebar-text {
    opacity: 0;
    width: 0;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.sidebar.collapsed .user-info {
    display: none;
}

.sidebar.collapsed .sidebar-title {
    justify-content: center;
    opacity: 0;
    display: none;
}

.sidebar.collapsed .sidebar-menu a {
    justify-content: center !important;
    padding: 1rem 0.5rem !important;
}
.sidebar.collapsed .sidebar-menu a span {
    display: none !important;
}
.sidebar.collapsed .sidebar-menu a i {
    margin-right: 0 !important;
}

.sidebar.collapsed .sidebar-header {
    display: none !important;
}

.sidebar.collapsed .sidebar-header > div:first-child {
    justify-content: center !important;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.1);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.3);
    border-radius: 10px;
}

.sidebar-header {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

.sidebar-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

.sidebar-header h4 {
    color: white;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

body.dark-mode .sidebar-header {
    background: var(--gradient-primary);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-menu {
    list-style: none;
    padding: 1.5rem 0;
    margin: 0;
}

.sidebar-menu li {
    margin: 0.5rem 0;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    border-radius: 0 25px 25px 0;
    margin-right: 1rem;
}

.sidebar-menu a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: var(--primary-color);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform var(--transition-normal);
}

.sidebar-menu a::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.sidebar-menu a:hover::before,
.sidebar-menu a.active::before {
    transform: scaleY(1);
}

.sidebar-menu a:hover::after {
    transform: translateX(100%);
}

.sidebar-menu a i {
    font-size: 1.2rem;
    width: 30px;
    margin-right: 1rem;
    text-align: center;
    transition: all var(--transition-normal);
}

.sidebar-menu a:hover i,
.sidebar-menu a.active i {
    transform: scale(1.2);
    color: var(--primary-color);
}

.sidebar-menu a span {
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition-normal);
}

.main-header-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100vw;
    margin: 0;
    z-index: 1100;
    background: var(--header-bg);
    padding: 0.8rem 0;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.18);
    border-bottom: 1px solid rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    height: var(--header-height);
    overflow: visible;
}

.main-header-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.14) 0%, transparent 48%, rgba(255, 255, 255, 0.08) 100%);
    pointer-events: none;
}

.main-header-bar::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.55) 50%, transparent 100%);
    pointer-events: none;
}

.header-content {
    width: 100%;
    max-width: 100%;
    padding: 0 1.5rem;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    box-sizing: border-box;
    height: 100%;
    position: relative;
    z-index: 1;
    overflow: visible;
}

/* Header Hamburger Button */
.header-hamburger-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    border: none !important;
    border-radius: 8px !important;
    color: #fff !important;
    box-shadow: 0 2px 8px rgba(102,126,234,0.12) !important;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
    gap: 5px;
    backdrop-filter: blur(10px);
    flex-shrink: 0;
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    margin: 0;
}

.header-hamburger-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-50%) scale(1.05);
}

.header-hamburger-line {
    width: 24px;
    height: 2.5px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hamburger Animation to X */
.header-hamburger-btn.active .header-hamburger-line:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.header-hamburger-btn.active .header-hamburger-line:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.header-hamburger-btn.active .header-hamburger-line:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

body.dark-mode .header-hamburger-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    border: none !important;
    color: #fff !important;
}

body.dark-mode .header-hamburger-btn:hover {
    background: rgba(139, 92, 246, 0.25);
}

body.dark-mode .header-hamburger-line {
    background: #e0e7ff;
}

/* Header Center (Logo + Brand) */
.header-center {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    justify-content: center;
    margin: 0 auto;
}

.header-logo-container {
    position: relative;
    width: auto;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.logo-circle {
    width: 58px;
    height: 58px;
    background: rgba(255, 255, 255, 0.18);
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(25, 32, 79, 0.35);
    transition: all 0.3s ease;
}

.header-brand-logo {
    width: 88%;
    height: 88%;
    object-fit: contain;
    border-radius: 50%;
    filter: drop-shadow(0 6px 14px rgba(36, 42, 88, 0.28));
}

.logo-circle:hover {
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 12px 24px rgba(25, 32, 79, 0.42);
}

.logo-icon {
    font-size: 1.3rem;
    color: var(--logo-icon-color);
}

.logo-ring,
.logo-ring-2 {
    display: none;
}

.header-brand {
    display: flex;
    align-items: center;
}

.brand-link {
    text-decoration: none;
    display: inline-block;
    transition: transform 0.2s ease;
}

.brand-link:hover {
    transform: translateX(3px);
}

.brand-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0;
    color: var(--brand-color);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.brand-letter {
    display: inline;
    color: var(--brand-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
    overflow: visible;
}

.header-theme-toggle {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--theme-toggle-bg);
    border: 2px solid var(--theme-toggle-border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.header-theme-toggle:hover {
    background: var(--theme-toggle-hover-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.theme-icon-header {
    font-size: 1.2rem;
    color: var(--theme-icon-color);
    transition: all 0.3s ease;
}

.header-theme-toggle:hover .theme-icon-header {
    transform: scale(1.1);
}

.header-profile-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.header-profile-icon:hover {
    transform: translateY(-2px);
}

.profile-circle {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--profile-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 2px solid var(--profile-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.header-profile-icon:hover .profile-circle {
    border-color: var(--profile-hover-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-icon {
    font-size: 1.4rem;
    color: #667eea;
}

body.dark-mode .main-header-bar {
    background: var(--header-bg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
    .main-header-bar {
        display: flex !important;
        visibility: visible;
        padding: 0.5rem 0;
        height: 60px;
    }
    
    .header-content {
        gap: 0.75rem;
        padding: 0 1rem;
    }
    
    .header-hamburger-btn {
        width: 40px;
        height: 40px;
    }
    
    .header-hamburger-line {
        width: 22px;
        height: 2px;
    }
    
    .header-logo-container {
        width: auto;
        height: auto;
    }
    
    .logo-circle {
        width: 50px;
        height: 50px;
    }

    .header-brand-logo {
        width: 88%;
        height: 88%;
    }
    
    .logo-icon {
        font-size: 1.1rem;
    }
    
    .logo-ring,
    .logo-ring-2 {
        display: none;
    }
    
    .brand-title {
        font-size: 1.3rem;
    }
    
    .brand-letter {
        animation: none;
    }
    
    .header-actions {
        gap: 0.5rem;
    }
    
    .header-theme-toggle {
        width: 38px;
        height: 38px;
    }
    
    .theme-icon-header {
        font-size: 1rem;
    }
    
    .profile-circle {
        width: 38px;
        height: 38px;
    }
    
    .profile-icon {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .main-header-bar {
        padding: 0.4rem 0;
        height: 56px;
    }
    
    .header-content {
        padding: 0 0.75rem;
        gap: 0.5rem;
    }
    
    .header-hamburger-btn {
        width: 36px;
        height: 36px;
    }
    
    .header-hamburger-line {
        width: 20px;
    }
    
    .brand-title {
        font-size: 1.1rem;
    }
    
    .header-logo-container {
        width: auto;
        height: auto;
    }
    
    .logo-circle {
        width: 42px;
        height: 42px;
    }

    .header-brand-logo {
        width: 88%;
        height: 88%;
    }
    
    .logo-icon {
        font-size: 1rem;
    }
    
    .header-actions {
        gap: 0.4rem;
    }
    
    .header-theme-toggle {
        width: 34px;
        height: 34px;
    }
    
    .profile-circle {
        width: 34px;
        height: 34px;
    }
}

.theme-toggle-bar {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(102, 126, 234, 0.2);
    position: sticky;
    top: 0;
    z-index: 1020;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.navbar-brand-center {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: #667eea;
    text-decoration: none;
    transition: all var(--transition-normal);
    padding: 0.5rem 1.5rem;
    border-radius: 12px;
    background: rgba(102, 126, 234, 0.05);
}

.navbar-brand-center:hover {
    color: #764ba2;
    background: rgba(102, 126, 234, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
}

.navbar-brand-center i {
    font-size: 1.8rem;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.theme-toggle-container {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1rem;
}

.theme-toggle-sidebar,
.theme-toggle-main {
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.theme-toggle-sidebar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    border-color: rgba(255, 255, 255, 0.4) !important;
    color: #ffffff !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.theme-toggle-sidebar:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%) !important;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
    border-color: rgba(255, 255, 255, 0.6) !important;
}

.theme-toggle-main {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    border-color: #667eea !important;
    color: #ffffff !important;
    min-width: 150px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.theme-toggle-main:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%) !important;
    color: #ffffff !important;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.6);
    border-color: #764ba2 !important;
}

.theme-toggle-main:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3);
    color: #ffffff !important;
}

.theme-toggle-sidebar i,
.theme-toggle-main i {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.theme-toggle-sidebar:hover i,
.theme-toggle-main:hover i {
    transform: rotate(360deg) scale(1.2);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
}

.theme-text,
.theme-text-main {
    font-weight: 700;
    text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

body.dark-mode .theme-text,
body.dark-mode .theme-text-main {
    text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

.theme-toggle-sidebar::before,
.theme-toggle-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-slow);
}

.theme-toggle-sidebar:hover::before,
.theme-toggle-main:hover::before {
    left: 100%;
}

body.dark-mode .theme-toggle-bar {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 4px 30px rgba(139, 92, 246, 0.1);
}

body.dark-mode .navbar-brand-center {
    color: #a78bfa;
    background: rgba(139, 92, 246, 0.1);
}

body.dark-mode .navbar-brand-center:hover {
    color: #c4b5fd;
    background: rgba(139, 92, 246, 0.2);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

body.dark-mode .theme-toggle-container {
    background: rgba(255, 255, 255, 0.03);
    border-top-color: var(--border-color);
}

body.dark-mode .theme-toggle-sidebar {
    background: linear-gradient(135deg, #fbbf24 0%, #10b981 100%) !important;
    border-color: rgba(251, 191, 36, 0.4) !important;
    color: #1e293b !important;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.4);
}

body.dark-mode .theme-toggle-sidebar:hover {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    border-color: rgba(16, 185, 129, 0.6) !important;
    color: #1e293b !important;
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.6);
}

body.dark-mode .theme-toggle-main {
    background: linear-gradient(135deg, #fbbf24 0%, #10b981 100%) !important;
    border-color: #fbbf24 !important;
    color: #1e293b !important;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
}

body.dark-mode .theme-toggle-main:hover {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    border-color: #10b981 !important;
    color: #1e293b !important;
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.6);
}

body.dark-mode .theme-toggle-main:focus {
    box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.3);
    color: #1e293b !important;
}

body.dark-mode .theme-toggle-main {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

body.dark-mode .theme-toggle-main:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
}

.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    background: rgba(0,0,0,0.1);
}

.logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1rem;
    background: rgba(255,255,255,0.1);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.logout-btn:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
    color: white;
}

.logout-btn i {
    margin-right: 0.5rem;
}

.main-wrapper {
    margin-left: 280px;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
    background: var(--bg-secondary);
    position: relative;
}

.main-wrapper::before {
    content: '';
    position: fixed;
    top: var(--header-height);
    left: 280px;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.02) 0%, 
        rgba(139, 92, 246, 0.02) 50%, 
        rgba(236, 72, 153, 0.02) 100%);
    pointer-events: none;
    z-index: -1;
    transition: left var(--transition-normal);
}

.main-content {
    flex: 1;
    padding: 2rem;
    background: transparent;
}

.page-brand-ribbon {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 14px;
    border: 1px solid color-mix(in srgb, var(--primary-color) 25%, transparent);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.88) 0%, rgba(243, 246, 255, 0.82) 100%);
    box-shadow: 0 12px 28px rgba(79, 70, 229, 0.12);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.page-brand-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.page-brand-icon {
    width: 34px;
    height: 34px;
    object-fit: contain;
    filter: drop-shadow(0 4px 10px rgba(79, 70, 229, 0.24));
    flex-shrink: 0;
}

.page-brand-copy {
    min-width: 0;
}

.page-brand-kicker {
    display: block;
    font-size: 0.66rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--primary-color);
    line-height: 1.15;
}

.page-brand-title {
    margin: 0;
    font-size: 1.08rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.page-brand-logo {
    width: 120px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(79, 70, 229, 0.15));
    flex-shrink: 0;
}

body.dark-mode .page-brand-ribbon {
    border-color: rgba(139, 92, 246, 0.38);
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.86) 0%, rgba(17, 24, 39, 0.86) 100%);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.35);
}

body.dark-mode .page-brand-kicker {
    color: #a5b4fc;
}

body.dark-mode .page-brand-title {
    color: #e2e8f0;
}

.sidebar.collapsed ~ .main-wrapper {
    margin-left: 80px;
}

.sidebar.collapsed ~ .main-wrapper::before {
    left: 80px;
}

.top-navbar {
    display: none !important;
    visibility: hidden;
    opacity: 0;
}

@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }

    .page-brand-ribbon {
        padding: 0.65rem 0.75rem;
        border-radius: 12px;
        margin-bottom: 0.75rem;
    }

    .page-brand-icon {
        width: 28px;
        height: 28px;
    }

    .page-brand-kicker {
        font-size: 0.6rem;
        letter-spacing: 1px;
    }

    .page-brand-title {
        font-size: 0.96rem;
    }

    .page-brand-logo {
        width: 88px;
    }
}

body.dark-mode .top-navbar {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(139, 92, 246, 0.3);
    box-shadow: 0 4px 30px rgba(139, 92, 246, 0.1);
}

.top-navbar .btn {
    color: var(--primary-color);
    font-size: 1.5rem;
    padding: 0;
}

.navbar-brand-mobile {
    font-weight: 700;
    color: #667eea;
    font-size: 1.2rem;
    text-decoration: none;
    transition: all var(--transition-normal);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    background: rgba(102, 126, 234, 0.05);
}

.mobile-brand-logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
    margin-right: 12px;
    vertical-align: middle;
    border-radius: 50%;
    padding: 3px;
    background: rgba(255, 255, 255, 0.2);
    border: 1.5px solid rgba(102, 126, 234, 0.35);
    box-shadow: 0 6px 14px rgba(44, 56, 122, 0.3);
    filter: drop-shadow(0 4px 10px rgba(44, 56, 122, 0.2));
}

.navbar-brand-mobile:hover {
    color: #764ba2;
    background: rgba(102, 126, 234, 0.15);
    transform: translateY(-2px);
}

body.dark-mode .navbar-brand-mobile {
    color: #a78bfa;
    background: rgba(139, 92, 246, 0.1);
}

body.dark-mode .navbar-brand-mobile:hover {
    color: #c4b5fd;
    background: rgba(139, 92, 246, 0.2);
}

.navbar-brand-animated {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(118, 75, 162, 0.15) 100%);
    border-radius: 12px;
    border: 2px solid rgba(102, 126, 234, 0.3);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    overflow: hidden;
    z-index: 10;
}

.navbar-brand-animated::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    transform: rotate(45deg) translateY(100%);
    transition: transform 0.6s ease;
}

.navbar-brand-animated:hover::before {
    transform: rotate(45deg) translateY(0);
}

.navbar-brand-animated .brand-icon {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.4s ease;
    position: relative;
    z-index: 1;
    animation: iconFloat 3s ease-in-out infinite;
}

.navbar-brand-animated:hover .brand-icon {
    transform: rotate(360deg) scale(1.2);
    animation: iconSpin 0.6s ease;
}

.navbar-brand-animated .brand-text {
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
    letter-spacing: 0.5px;
    transition: all 0.4s ease;
}

.navbar-brand-animated:hover .brand-text {
    letter-spacing: 1.5px;
    text-shadow: 0 0 10px rgba(102, 126, 234, 0.3);
}

.navbar-brand-animated:hover {
    transform: translateY(-3px);
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

body.dark-mode .navbar-brand-animated {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(196, 181, 253, 0.1) 100%);
    border-color: rgba(139, 92, 246, 0.3);
}

body.dark-mode .navbar-brand-animated::before {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.25) 0%, rgba(196, 181, 253, 0.2) 100%);
}

body.dark-mode .navbar-brand-animated .brand-icon {
    background: linear-gradient(135deg, #a78bfa 0%, #c4b5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-mode .navbar-brand-animated .brand-text {
    background: linear-gradient(135deg, #a78bfa 0%, #c4b5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-mode .navbar-brand-animated:hover {
    border-color: rgba(139, 92, 246, 0.6);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.4);
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

@keyframes iconSpin {
    0% {
        transform: rotate(0deg) scale(1);
    }
    50% {
        transform: rotate(180deg) scale(1.2);
    }
    100% {
        transform: rotate(360deg) scale(1.2);
    }
}

@media (max-width: 991px) {
    .navbar-brand-animated {
        display: none;
    }
}

@media (min-width: 992px) {
    .navbar-brand-mobile {
        display: none;
    }
}

.navbar-user {
    transition: all var(--transition-normal);
}

.navbar-user i {
    color: var(--primary-color);
}

.navbar-profile-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #667eea;
    transition: all var(--transition-normal);
}

.navbar-profile-img:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

body.dark-mode .navbar-profile-img {
    border-color: #a78bfa;
}

body.dark-mode .navbar-profile-img:hover {
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.5);
}

.user-avatar-link {
    display: inline-block;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.user-avatar-link:hover .user-avatar {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.user-avatar {
    transition: all var(--transition-normal);
}

body.dark-mode .user-avatar-link:hover .user-avatar {
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
}

.main-content {
    flex: 1;
    padding: 2rem;
    background: var(--light-bg);
}

.modern-footer {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    padding: 3rem 0 1rem;
    margin-top: auto;
    position: relative;
    overflow: hidden;
}

.modern-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%, rgba(255, 255, 255, 0.05) 100%);
    pointer-events: none;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2.5rem;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    position: relative;
    z-index: 1;
}

.footer-content::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.3) 20%, 
        rgba(255, 255, 255, 0.6) 50%, 
        rgba(255, 255, 255, 0.3) 80%, 
        transparent 100%);
    animation: lineGlow 3s ease-in-out infinite;
}

@keyframes lineGlow {
    0%, 100% {
        opacity: 0.5;
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
    }
    50% {
        opacity: 0;
        width: 0;
        overflow: hidden;
        transition: all var(--transition-fast);
    }
}
.sidebar.collapsed .sidebar-header .user-info,
.sidebar.collapsed .sidebar-header .theme-toggle-container,
.sidebar.collapsed .sidebar-header .profile-avatar_img {
    display: none !important;
}

body.dark-mode .footer-content::before {
    background: linear-gradient(180deg, 
        transparent 0%, 
        rgba(139, 92, 246, 0.4) 20%, 
        rgba(139, 92, 246, 0.8) 50%, 
        rgba(139, 92, 246, 0.4) 80%, 
        transparent 100%);
}

body.dark-mode .footer-content::before {
    animation: lineGlowDark 3s ease-in-out infinite;
}

@keyframes lineGlowDark {
    0%, 100% {
        opacity: 0.5;
        box-shadow: 0 0 10px rgba(139, 92, 246, 0.4);
    }
    50% {
        opacity: 1;
        box-shadow: 0 0 20px rgba(139, 92, 246, 0.8);
    }
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.95rem;
    margin-bottom: 0.5rem;
}

.footer-logo-circle {
    width: 62px;
    height: 62px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.14);
    border: 2px solid rgba(255, 255, 255, 0.28);
    box-shadow: 0 10px 24px rgba(25, 31, 78, 0.4);
}

.footer-brand-logo {
    width: 88%;
    height: 88%;
    object-fit: contain;
    border-radius: 50%;
    margin-right: 0;
    opacity: 0.96;
    filter: drop-shadow(0 6px 14px rgba(25, 31, 78, 0.3));
}

.footer-icon {
    font-size: 2rem;
    color: #ffffff;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.footer-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin: 0;
    color: #ffffff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.footer-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    max-width: 350px;
}

.footer-heading {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links li a {
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.footer-links li a:hover {
    color: #ffd700;
    transform: translateX(5px);
}

.footer-links li a i {
    font-size: 0.9rem;
    width: 20px;
}

.footer-social {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.social-link i {
    font-size: 1.2rem;
}

.footer-bottom {
    margin-top: 3rem;
    padding: 1.5rem 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.footer-copyright {
    margin: 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-credits {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: right;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.profile-dropdown-container {
    position: relative;
    display: inline-block;
    z-index: 1201;
    overflow: visible;
}

.profile-dropdown-toggle {
    background: none;
    border: none;
    padding: 0;
}

.profile-dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 48px;
    min-width: 180px;
    border-radius: 14px;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
    z-index: 9999;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(.4, 0, .2, 1);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
}

.profile-dropdown-menu.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* Fallback: keep dropdown usable even if JS click toggle is interrupted */
.profile-dropdown-container:hover .profile-dropdown-menu,
.profile-dropdown-container:focus-within .profile-dropdown-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.footer-email,
.footer-email *,
.footer-email a,
.footer-email a:hover,
.footer-email a:visited,
.footer-email a:active,
.footer-email a:focus {
    color: #ffffff !important;
    text-decoration: none !important;
}

.heart-icon {
    color: #ff6b6b;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

body.dark-mode .modern-footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-top: 1px solid rgba(139, 92, 246, 0.3);
}

body.dark-mode .logo-circle,
body.dark-mode .footer-logo-circle,
body.dark-mode .mobile-brand-logo {
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.2));
}

body.dark-mode .modern-footer::before {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, transparent 50%, rgba(139, 92, 246, 0.05) 100%);
}

body.dark-mode .footer-icon,
body.dark-mode .footer-title {
    color: #a78bfa;
}

body.dark-mode .social-link {
    background: rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.3);
}

body.dark-mode .social-link:hover {
    background: rgba(139, 92, 246, 0.25);
}

body.dark-mode .footer-bottom {
    border-top-color: rgba(139, 92, 246, 0.2);
}

@media (max-width: 992px) {
    .footer-content::before {
        display: none;
    }
}

@media (max-width: 576px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding: 1.5rem 1.5rem;
    }

    .footer-section {
        min-width: 0;
        max-width: 100%;
        width: 100%;
        text-align: center;
        align-items: center;
    }

    .footer-heading {
        text-align: center;
    }

    .footer-social {
        justify-content: center;
        margin-bottom: 0.5rem;
    }

    .footer-credits {
        text-align: center;
    }
}

.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
}

.smooth-hover {
    transition: all var(--transition-normal);
}

.smooth-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.pulse-animation {
    animation: pulse 2s infinite;
}

.glow-effect:hover {
    animation: glow 1s infinite alternate;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

@media (max-width: 991px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-wrapper {
        margin-left: 0;
    }
    
    .main-content {
        padding: 1.5rem;
    }
    
    .main-footer {
        margin-left: 0;
        width: 100%;
    }
}

@media (max-width: 576px) {
    .sidebar {
        width: 100%;
        max-width: 280px;
    }
    
    .main-content {
        padding: 1rem;
    }
}

#codeInput {
    font-family: 'Monaco', 'Courier New', monospace;
    background-color: #1e1e1e;
    color: #d4d4d4;
    border: 1px solid #3c3c3c;
    border-radius: 8px;
    padding: 15px;
    line-height: 1.5;
    font-size: 14px;
}

.dark-mode #codeInput {
    background-color: #0f0f0f;
    color: #e6e6e6;
    border-color: #2c2c2c;
}

#codeOutput {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.4;
    background-color: #1e1e1e !important;
    color: #d4d4d4 !important;
    border-radius: 8px;
    max-height: 400px;
    overflow-y: auto;
}

.dark-mode #codeOutput {
    background-color: #0f0f0f !important;
    color: #e6e6e6 !important;
}

.btn-check:checked + .btn-primary {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-check:checked + .btn-success {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-check:checked + .btn-warning {
    background: var(--warning-color);
    border-color: var(--warning-color);
    color: white;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-check:checked + .btn-info {
    background: var(--info-color);
    border-color: var(--info-color);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-check:checked + .btn-danger {
    background: var(--danger-color);
    border-color: var(--danger-color);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.modal-fullscreen .modal-body {
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.modal-fullscreen .card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.modal-fullscreen .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.btn-lg {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-lg:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.btn-primary.w-100 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary.w-100:hover {
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.dark-mode .btn-primary.w-100 {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: white;
}

.dark-mode .btn-success {
    background: var(--success-color);
    border-color: var(--success-color);
}

.dark-mode .btn-warning {
    background: var(--warning-color);
    border-color: var(--warning-color);
    color: white;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes glow {
    from {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
    }
    to {
        box-shadow: 0 0 30px rgba(99, 102, 241, 0.8);
    }
}

.container {
    animation: fadeInUp 0.6s ease-out;
}

.card {
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }

.modal-content {
    border-radius: 20px;
    border: none;
    box-shadow: var(--shadow-xl);
    background: var(--bg-primary);
    overflow: hidden;
}

.modal-header {
    background: var(--gradient-primary);
    color: white;
    border-bottom: none;
    padding: 1.5rem 2rem;
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
    background: var(--bg-tertiary);
}

body.dark-mode .modal-content {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

body.dark-mode .modal-footer {
    background: var(--bg-secondary);
    border-top-color: var(--border-color);
}

.table {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--bg-primary);
}

.table th {
    background: var(--bg-tertiary);
    border: none;
    font-weight: 600;
    color: var(--text-primary);
    padding: 1rem;
}

.table td {
    border: none;
    padding: 1rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background: var(--bg-tertiary);
    transform: scale(1.01);
    transition: all var(--transition-fast);
}

body.dark-mode .table {
    background: var(--bg-tertiary);
}

body.dark-mode .table th {
    background: var(--bg-secondary);
}

body.dark-mode .table tbody tr:hover {
    background: var(--bg-primary);
}

.badge {
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: 0.5px;
    font-size: 0.75rem;
}

.alert {
    border-radius: 12px;
    border: none;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
}

.alert-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fbbf24 100%);
    color: #92400e;
}

.alert-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fca5a5 100%);
    color: #991b1b;
}

.alert-info {
    background: linear-gradient(135deg, #dbeafe 0%, #93c5fd 100%);
    color: #1e40af;
}

body.dark-mode .alert-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

body.dark-mode .alert-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

body.dark-mode .alert-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
}



.bg-primary { 
    background: var(--gradient-primary) !important; 
    color: var(--text-inverse) !important; 
}
.bg-secondary { 
    background: var(--bg-secondary) !important; 
    color: var(--text-primary) !important; 
}
.bg-success { 
    background: var(--gradient-success) !important; 
    color: var(--text-inverse) !important; 
}
.bg-danger { 
    background: var(--gradient-danger) !important; 
    color: var(--text-inverse) !important; 
}
.bg-warning { 
    background: var(--gradient-warning) !important; 
    color: var(--text-inverse) !important; 
}
.bg-info { 
    background: var(--gradient-info) !important; 
    color: var(--text-inverse) !important; 
}
.bg-dark { 
    background: var(--bg-tertiary) !important; 
    color: var(--text-primary) !important; 
}
.bg-light { 
    background: var(--bg-primary) !important; 
    color: var(--text-primary) !important; 
}

.badge {
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: 0.5px;
    font-size: 0.75rem;
    border: 1px solid transparent;
}

.badge.bg-primary { 
    background: var(--primary-color) !important; 
    color: var(--text-inverse) !important;
    border-color: var(--primary-hover);
}
.badge.bg-success { 
    background: var(--success-color) !important; 
    color: var(--text-inverse) !important;
    border-color: var(--success-hover);
}
.badge.bg-warning { 
    background: var(--warning-color) !important; 
    color: var(--text-inverse) !important;
    border-color: var(--warning-hover);
}
.badge.bg-danger { 
    background: var(--danger-color) !important; 
    color: var(--text-inverse) !important;
    border-color: var(--danger-hover);
}
.badge.bg-info { 
    background: var(--info-color) !important; 
    color: var(--text-inverse) !important;
    border-color: var(--info-hover);
}

.list-group-item {
    background: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
    transition: all var(--transition-normal);
    border-radius: 8px;
    margin-bottom: 0.25rem;
}

.list-group-item:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.list-group-item.active {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    color: var(--text-inverse);
}

.dropdown-menu {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    border-radius: 12px;
    padding: 0.5rem 0;
    backdrop-filter: blur(20px);
}

.dropdown-item {
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    transition: all var(--transition-normal);
    border-radius: 8px;
    margin: 0.25rem 0.5rem;
}

.dropdown-item:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    transform: translateX(8px);
}

.dropdown-item.text-danger {
    color: var(--danger-color) !important;
}

.dropdown-item.text-danger:hover {
    background: var(--danger-light);
    color: var(--danger-color) !important;
}

.alert {
    border-radius: 12px;
    border: none;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.alert-success {
    background: var(--success-light);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-warning {
    background: var(--warning-light);
    color: var(--warning-color);
    border-left: 4px solid var(--warning-color);
}

.alert-danger {
    background: var(--danger-light);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background: var(--info-light);
    color: var(--info-color);
    border-left: 4px solid var(--info-color);
}

.alert-primary {
    background: var(--primary-ultra-light);
    color: var(--primary-color);
    border-left: 4px solid var(--primary-color);
}

.table {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--bg-primary);
    border-collapse: separate;
    border-spacing: 0;
}

.table th {
    background: var(--bg-tertiary);
    border: none;
    font-weight: 600;
    color: var(--text-primary);
    padding: 1.25rem 1rem;
    border-bottom: 2px solid var(--border-color);
}

.table td {
    border: none;
    padding: 1rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr {
    transition: all var(--transition-normal);
}

.table tbody tr:hover {
    background: var(--bg-tertiary);
    transform: scale(1.01);
    box-shadow: var(--shadow-md);
}

body.dark-mode .bg-dark {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

body.dark-mode .bg-light {
    background: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

body.dark-mode .table {
    background: var(--bg-primary);
}

body.dark-mode .table th {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-bottom-color: var(--border-color);
}

body.dark-mode .table td {
    color: var(--text-primary);
    border-bottom-color: var(--border-color);
}

body.dark-mode .table tbody tr:hover {
    background: var(--bg-secondary);
}

@media (max-width: 768px) {
    .theme-toggle-bar {
        display: none; 
    }
    
    .btn-group.w-100 {
        flex-direction: column;
    }
    
    .btn-group .btn {
        margin-bottom: 10px;
        border-radius: 8px !important;
    }
    
    #codeInput {
        font-size: 12px;
    }
    
    .modal-fullscreen .col-lg-4 {
        margin-bottom: 1rem;
    }
    
    .card {
        margin-bottom: 1.5rem;
    }
    
    .sidebar {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    .main-wrapper {
        margin-left: 0;
        padding: 1rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    
    .theme-toggle-container {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        padding: 1rem;
        margin-top: 1rem;
    }
}

@media (prefers-contrast: high) {
    :root {
        --primary-color: #0066cc;
        --success-color: #006600;
        --danger-color: #cc0000;
        --warning-color: #cc6600;
        --border-color: #000000;
        --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.5);
    }
    
    .card {
        border: 2px solid var(--border-color);
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@media print {
    .sidebar, .theme-toggle-bar, .top-navbar, footer, .btn, .no-print {
        display: none !important;
    }
    
    .main-wrapper {
        margin-left: 0 !important;
        background: white !important;
    }
    
    .card {
        border: 1px solid #ccc !important;
        box-shadow: none !important;
        page-break-inside: avoid;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}

.btn:focus,
.form-control:focus,
.form-select:focus,
.nav-link:focus,
.dropdown-item:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    z-index: 9999;
    text-decoration: none;
    border-radius: 4px;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 6px;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.is-invalid {
    border-color: var(--danger-color) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.is-valid {
    border-color: var(--success-color) !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
}

.invalid-feedback {
    color: var(--danger-color);
    font-weight: 500;
}

.valid-feedback {
    color: var(--success-color);
    font-weight: 500;
}

@media (prefers-reduced-motion: no-preference) {
    .sidebar {
        scroll-behavior: smooth;
    }
}

@media print {
    .sidebar, .top-navbar, footer, .btn, .no-print {
        display: none !important;
    }
    
    .main-wrapper {
        margin-left: 0 !important;
    }
}

.faq-section {
    border: none;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.faq-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.faq-section .card-header {
    background: var(--gradient-primary) !important;
    border-bottom: none;
    padding: 1.5rem;
    color: white !important;
}

.faq-section .card-header h4 {
    color: white !important;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.faq-section .card-header small {
    opacity: 0.9;
    font-size: 0.875rem;
}

.faq-item {
    border: none;
    border-bottom: 1px solid var(--border-color);
    background: transparent;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-button {
    background: var(--body-bg) !important;
    color: var(--body-color) !important;
    border: none !important;
    padding: 1.25rem 1.5rem !important;
    font-weight: 500 !important;
    font-size: 1rem !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: none !important;
    text-align: left;
    display: flex;
    align-items: center;
    width: 100%;
}

.faq-button:hover {
    background: var(--hover-bg) !important;
    color: var(--primary-color) !important;
    transform: translateX(5px);
}

.faq-button:focus {
    box-shadow: 0 0 0 3px var(--focus-ring);
    outline: none;
}

.faq-button:not(.collapsed) {
    background: var(--primary-bg) !important;
    color: var(--primary-color) !important;
}

.faq-icon {
    width: 20px;
    text-align: center;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.faq-button:hover .faq-icon,
.faq-button:not(.collapsed) .faq-icon {
    opacity: 1;
    transform: scale(1.1);
}

.faq-body {
    background: var(--body-bg);
    border-top: 1px solid var(--border-color);
    padding: 0;
}

.faq-content {
    padding: 1.5rem;
    color: var(--body-color);
}

.faq-content p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.faq-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.faq-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}

.faq-list li i {
    margin-right: 0.75rem;
    width: 20px;
    text-align: center;
}

.feature-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    text-align: center;
    height: 100%;
    transition: all 0.3s ease;
}

.feature-box:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.feature-box i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.feature-box h6 {
    color: var(--heading-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-box p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
}

.premium-feature {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    text-align: center;
    height: 100%;
    transition: all 0.3s ease;
}

.premium-feature:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.premium-feature i {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    display: block;
}

.premium-feature h6 {
    color: var(--heading-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.premium-feature p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
    line-height: 1.4;
}

.transition-info {
    margin: 1rem 0;
}

.step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.step:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.step-icon {
    margin-right: 1rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-icon i {
    font-size: 1.2rem;
}

.step-content h6 {
    color: var(--heading-color);
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.step-content p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
    line-height: 1.4;
}

.support-channels {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1rem 0;
}

.support-item {
    display: flex;
    align-items: flex-start;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.support-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
    border-color: var(--primary-color);
}

.support-item i {
    margin-right: 1rem;
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
    flex-shrink: 0;
}

.support-item h6 {
    color: var(--heading-color);
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.support-item p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
    line-height: 1.4;
}

.faq-content .alert {
    border-radius: var(--border-radius);
    border: none;
    font-size: 0.875rem;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.faq-content .alert i {
    font-size: 1rem;
}

[data-theme="light"] .faq-section {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(59, 130, 246, 0.1);
}

[data-theme="light"] .faq-button {
    background: #ffffff !important;
    color: #1e293b !important;
}

[data-theme="light"] .faq-button:hover {
    background: #f8fafc !important;
    color: #3b82f6 !important;
}

[data-theme="light"] .faq-button:not(.collapsed) {
    background: #eff6ff !important;
    color: #3b82f6 !important;
}

[data-theme="light"] .faq-body {
    background: #ffffff;
    border-color: #e2e8f0;
}

[data-theme="light"] .feature-box,
[data-theme="light"] .support-item {
    background: #ffffff;
    border-color: #e2e8f0;
}

[data-theme="light"] .premium-feature,
[data-theme="light"] .step {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(59, 130, 246, 0.1);
}

[data-theme="dark"] .faq-section {
    background: rgba(15, 23, 42, 0.95);
    border-color: rgba(148, 163, 184, 0.1);
}

[data-theme="dark"] .faq-button {
    background: #0f172a !important;
    color: #f8fafc !important;
}

[data-theme="dark"] .faq-button:hover {
    background: #1e293b !important;
    color: #60a5fa !important;
}

[data-theme="dark"] .faq-button:not(.collapsed) {
    background: #1e3a8a !important;
    color: #60a5fa !important;
}

[data-theme="dark"] .faq-body {
    background: #0f172a;
    border-color: #334155;
}

[data-theme="dark"] .feature-box,
[data-theme="dark"] .support-item {
    background: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .premium-feature,
[data-theme="dark"] .step {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(148, 163, 184, 0.1);
}

@media (max-width: 768px) {
    .faq-content {
        padding: 1rem;
    }
    
    .faq-button {
        padding: 1rem !important;
    }
    
    .premium-feature,
    .feature-box {
        margin-bottom: 1rem;
    }
    
    .support-channels {
        gap: 0.75rem;
    }
    
    .step-icon {
        width: 35px;
        height: 35px;
    }
    
    .step-icon i {
        font-size: 1rem;
    }
}

@media print {
    .faq-section {
        background: white !important;
        border: 1px solid #ddd !important;
        box-shadow: none !important;
    }
    
    .faq-button {
        background: white !important;
        color: black !important;
    }
    
    .accordion-collapse {
        display: block !important;
    }
}



.modern-card {
    border: none;
    border-radius: var(--border-radius-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.modern-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.modern-card-header {
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem;
    border-bottom: none;
}

.modern-card-header .card-title {
    color: white !important;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.modern-card-header .card-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

.profile-header-card .card-body {
    padding: 2rem;
}

.profile-avatar-container {
    position: relative;
    display: inline-block;
}

.profile-avatar-large {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    border: 4px solid var(--primary-color);
    background: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.default-avatar {
    color: var(--primary-color);
    font-size: 4rem;
}

.avatar-edit-overlay {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 36px;
    height: 36px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid var(--body-bg);
}

.avatar-edit-overlay:hover {
    background: var(--primary-hover);
    transform: scale(1.1);
}

.profile-info {
    padding-left: 1rem;
}

.profile-name {
    color: var(--heading-color);
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.profile-details p {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.profile-details i {
    width: 20px;
    color: var(--primary-color);
}

.stats-container {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 1rem 0;
}

.stat-item {
    text-align: center;
    min-width: 100px;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--heading-color);
    display: block;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.subscription-stat .stat-number {
    color: var(--warning-color);
    font-size: 1.25rem;
}

.profile-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.modern-badge {
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
}

.badge-success {
    background: var(--success-color);
    color: white;
}

.badge-premium {
    background: var(--gradient-warning);
    color: white;
}

.badge-info {
    background: var(--info-color);
    color: white;
}

.contribution-grid-wrapper {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1rem;
    border: 1px solid var(--border-color);
}

.contribution-grid {
    display: flex;
    gap: 3px;
    overflow-x: auto;
    padding: 10px 0;
}

.contribution-week {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.contribution-day {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.contribution-day:hover {
    transform: scale(1.2);
    border: 2px solid var(--primary-color);
}

.contribution-legend {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.legend-scale {
    display: flex;
    gap: 3px;
}

.legend-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

[data-theme="light"] .contribution-day.level-0 { background: #ebedf0; }
[data-theme="light"] .contribution-day.level-1 { background: #c6e48b; }
[data-theme="light"] .contribution-day.level-2 { background: #7bc96f; }
[data-theme="light"] .contribution-day.level-3 { background: #239a3b; }
[data-theme="light"] .contribution-day.level-4 { background: #196127; }

[data-theme="dark"] .contribution-day.level-0 { background: #2d333b; }
[data-theme="dark"] .contribution-day.level-1 { background: #0e4429; }
[data-theme="dark"] .contribution-day.level-2 { background: #006d32; }
[data-theme="dark"] .contribution-day.level-3 { background: #26a641; }
[data-theme="dark"] .contribution-day.level-4 { background: #39d353; }

.activity-list {
    max-height: 400px;
    overflow-y: auto;
    padding: 0.5rem 0;
}

.activity-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    background: var(--hover-bg);
    margin-bottom: 0.75rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.activity-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
    border-color: var(--primary-color);
}

.activity-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    background: var(--gradient-primary);
}

.activity-content {
    flex: 1;
}

.activity-title {
    color: var(--heading-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.activity-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.score-badge, .percentage-badge, .time-badge {
    padding: 0.25rem 0.5rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
}

.score-badge {
    background: var(--primary-bg);
    color: var(--primary-color);
}

.percentage-badge {
    background: var(--success-bg);
    color: var(--success-color);
}

.time-badge {
    background: var(--glass-bg);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.achievement-badge {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem 1rem;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.achievement-badge.unlocked {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    color: white;
    transform: scale(1.02);
}

.achievement-badge.unlocked::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: rotate(45deg);
    animation: shine 2s infinite;
}

.achievement-badge.locked {
    opacity: 0.5;
    filter: grayscale(50%);
}

.achievement-badge:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.achievement-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.achievement-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.achievement-desc {
    font-size: 0.75rem;
    opacity: 0.8;
}

@keyframes shine {
    0% { left: -50%; }
    100% { left: 150%; }
}

.skill-item {
    animation: slideIn 0.5s ease-out;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
}

.skill-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.skill-name {
    font-weight: 600;
    color: var(--heading-color);
}

.skill-percentage {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.875rem;
}

.skill-progress {
    height: 8px;
    background: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    width: var(--skill-width, 0%);
    border-radius: 10px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.skill-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 6px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
}

.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.modern-modal .modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    background: var(--body-bg);
    box-shadow: var(--shadow-xl);
}

.modern-modal-header {
    background: var(--gradient-primary);
    color: white;
    border-bottom: none;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    padding: 1.5rem;
}

.modern-modal-header .modal-title {
    color: white;
    font-weight: 600;
}

.modern-modal-header .modal-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

.modern-btn-close {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modern-btn-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.modern-modal-footer {
    border-top: 1px solid var(--border-color);
    background: var(--hover-bg);
    padding: 1.5rem;
}

.profile-picture-section {
    text-align: center;
}

.section-title {
    color: var(--heading-color);
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.section-title i {
    color: var(--primary-color);
}

.profile-picture-upload {
    background: var(--card-bg);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.profile-picture-upload:hover {
    border-color: var(--primary-color);
    background: var(--primary-bg);
}

.current-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 1rem;
    border: 3px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.default-avatar-preview {
    color: var(--primary-color);
    font-size: 2.5rem;
}

.upload-controls {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.modern-input {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--body-bg);
    color: var(--body-color);
    padding: 0.75rem;
    transition: all 0.3s ease;
}

.modern-input:focus {
    border-color: var(--primary-color);
    background: var(--body-bg);
    color: var(--body-color);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.btn-modern {
    border-radius: var(--border-radius);
    padding: 0.625rem 1.25rem;
    font-weight: 600;
    border: 2px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.btn-modern.btn-primary {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    color: white;
}

.btn-modern.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    background: var(--primary-hover);
}

.btn-modern.btn-outline-primary {
    background: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-modern.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.btn-modern.btn-outline-secondary {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-muted);
}

.btn-modern.btn-outline-secondary:hover {
    background: var(--hover-bg);
    border-color: var(--text-muted);
    color: var(--body-color);
}

.btn-modern.btn-outline-danger {
    background: transparent;
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.btn-modern.btn-outline-danger:hover {
    background: var(--danger-color);
    color: white;
}

@media (max-width: 768px) {
    .profile-header-card .card-body {
        padding: 1.5rem;
    }
    
    .profile-info {
        padding-left: 0;
        margin-top: 1rem;
        text-align: center;
    }
    
    .profile-name {
        font-size: 1.75rem;
    }
    
    .stats-container {
        margin: 1rem 0;
    }
    
    .stat-item {
        min-width: auto;
        flex: 1;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .contribution-grid {
        gap: 2px;
    }
    
    .contribution-day {
        width: 10px;
        height: 10px;
    }
    
    .modern-modal .modal-dialog {
        margin: 0.5rem;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}




.hover-scale:hover {
    transform: scale(1.05);
}

.visual-learning-card {
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.visual-learning-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

#imageViewModal .modal-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
}

#imageViewModal .modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-inverse);
    border-bottom: none;
    border-radius: 0.5rem 0.5rem 0 0;
}

#imageViewModal .modal-body {
    background: var(--bg-secondary);
    padding: 2rem;
}

#imageViewModal .modal-footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 0.5rem 0.5rem;
}

.btn-gradient-success {
    background: linear-gradient(135deg, var(--success-color), var(--success-hover));
    border: none;
    color: var(--text-inverse);
    transition: all 0.3s ease;
}

.btn-gradient-success:hover {
    background: linear-gradient(135deg, var(--success-hover), var(--success-color));
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    color: var(--text-inverse);
}

.btn-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border: none;
    color: var(--text-inverse);
    transition: all 0.3s ease;
}

.btn-gradient-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
    color: var(--text-inverse);
}

.badge.bg-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light)) !important;
    font-size: 0.7rem;
    padding: 0.3rem 0.6rem;
    border-radius: 0.25rem;
}

.card.glass-card {
    backdrop-filter: blur(10px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

[data-theme="dark"] {
    .visual-learning-card {
        background: var(--bg-primary);
        border-color: var(--border-color);
    }
    
    .visual-learning-card:hover {
        border-color: var(--primary-light);
    }
    
    #imageViewModal .modal-content {
        background: var(--bg-primary);
        border-color: var(--border-color);
    }
    
    #imageViewModal .modal-body {
        background: var(--bg-secondary);
    }
    
    #imageViewModal .modal-footer {
        background: var(--bg-primary);
        border-color: var(--border-color);
    }
}

/* ============================================
   COMPREHENSIVE MOBILE RESPONSIVENESS
   ============================================ */

/* Mobile Overlay for Sidebar */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1099;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-overlay.active {
    display: block;
    opacity: 1;
}

/* Hamburger Menu Button (OLD - Now using header button) */
.hamburger-btn-mobile {
    display: none !important;
    visibility: hidden;
}

/* Legacy hamburger line styles (kept for compatibility) */
.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: white;
    margin: 5px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Large Tablets and Below (iPad, etc.) */
@media (max-width: 1024px) {
    .main-wrapper {
        margin-left: 0;
        padding-top: calc(var(--header-height) + 1rem);
    }
    
    .sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        width: 280px;
        height: 100vh;
        transition: left 0.3s ease;
        z-index: 1100;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }
    
    .sidebar.active {
        left: 0;
    }
}

/* Tablets and Small Laptops */
@media (max-width: 992px) {
    :root {
        --header-height: 70px;
    }
    
    .main-header-bar {
        height: 70px;
        padding: 0 1rem;
    }
    
    .navbar-brand-animated h1 {
        font-size: 1.5rem;
    }
    
    .navbar-profile-img {
        width: 35px;
        height: 35px;
    }
    
    /* Dashboard Cards */
    .dashboard-stats .col-md-3 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    .stat-card {
        margin-bottom: 1rem;
    }
}

/* Mobile Landscape and Small Tablets */
@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }
    
    .main-header-bar {
        display: flex !important;
        visibility: visible;
        padding: 0.6rem 1rem;
        height: 60px;
    }
    
    .navbar-brand-animated h1 {
        font-size: 1.25rem;
    }
    
    .navbar-profile-img {
        width: 32px;
        height: 32px;
    }
    
    .main-wrapper {
        padding: 1rem;
        padding-top: calc(var(--header-height) + 1rem);
        margin-left: 0;
    }
    
    /* Content Cards */
    .card {
        margin-bottom: 1rem;
    }
    
    .card-body {
        padding: 1.25rem;
    }
    
    /* Dashboard Stats - Stack Vertically */
    .dashboard-stats .col-md-3 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .stat-card {
        margin-bottom: 0.75rem;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    /* Buttons */
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Grid Layouts - 2 Columns */
    .col-md-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .col-md-4 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    /* Chat Interface */
    .chat-container {
        height: calc(100vh - var(--header-height) - 2rem);
        border-radius: 12px;
        margin: 0;
    }
    
    .chat-messages {
        padding: 1rem;
    }
    
    .chat-bubble {
        max-width: 85%;
        padding: 0.875rem 1rem;
        font-size: 0.9rem;
    }
    
    .chat-input-container {
        padding: 1rem;
    }
    
    .chat-input {
        font-size: 0.9rem;
        padding: 0.6rem 0.7rem;
        border-radius: 16px;
    }
    .send-btn-mobile {
        width: 32px !important;
        height: 32px !important;
        min-width: 32px !important;
        min-height: 32px !important;
        font-size: 1.1rem;
        padding: 0 !important;
        border-radius: 50%;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: #fff;
        box-shadow: 0 2px 8px rgba(102,126,234,0.12);
        display: flex;
        align-items: center;
        justify-content: center;
        border: none;
        transition: background 0.2s;
    }
    .send-btn-mobile:active {
        background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    }
    .agent-selector-mobile {
        width: 100%;
        margin-bottom: 0.5rem;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        gap: 0.5rem;
    }
    .agent-dropdown-btn {
        font-size: 1rem;
        padding: 0.3rem 0.7rem;
        border-radius: 12px;
        background: rgba(102,126,234,0.08);
        color: #667eea;
        border: none;
        box-shadow: 0 1px 4px rgba(102,126,234,0.08);
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    .agent-dropdown-btn:active {
        background: rgba(102,126,234,0.18);
    }
    .agent-dropdown-menu {
        left: 0;
        right: auto;
        min-width: 180px;
    }
    .input-actions {
        margin-left: 0.5rem;
    }
    
    /* Quiz Interface */
    .quiz-option {
        padding: 1rem;
        font-size: 0.95rem;
    }
    
    .quiz-progress {
        font-size: 0.9rem;
    }
    
    /* Timer */
    .timer-card {
        padding: 1.5rem;
    }
    
    .timer-display {
        font-size: 2.5rem;
    }
    
    /* Profile Page */
    .profile-header-card .row {
        flex-direction: column;
    }
    
    .profile-avatar-wrapper {
        margin: 0 auto 1.5rem;
    }
    
    .profile-info {
        text-align: center;
        padding-left: 0;
    }
    
    .stat-item {
        flex: 1 1 auto;
        min-width: 80px;
    }
    
    /* Tables */
    .table-responsive {
        font-size: 0.85rem;
    }
    
    table th, table td {
        padding: 0.5rem;
    }
    
    /* Modals */
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100vw - 1rem);
        max-height: calc(100vh - 1rem);
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .modal-content {
        border-radius: 12px;
        max-height: calc(100vh - 1rem);
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }
    .modal-header {
        flex-shrink: 0;
        padding: 0.75rem 1rem;
    }
    .modal-body {
        flex: 1 1 auto;
        overflow-y: auto;
        padding: 1rem;
        -webkit-overflow-scrolling: touch;
    }
    .modal-footer {
        flex-shrink: 0;
        padding: 0.75rem 1rem;
    }
    
    /* Forms */
    .form-control, .form-select, textarea {
        font-size: 1rem;
        padding: 0.75rem;
        min-width: 0;
        min-height: 40px;
        box-sizing: border-box;
    }
    
    label {
        font-size: 0.95rem;
        margin-bottom: 0.25rem;
    }
    
    /* Notes/Micro Courses */
    .course-content h1 {
        font-size: 1.75rem;
    }
    
    .course-content h2 {
        font-size: 1.5rem;
    }
    
    .course-content h3 {
        font-size: 1.25rem;
    }
    
    .visual-learning-card img,
    .visual-learning-card iframe {
        border-radius: 8px;
    }
}

/* Mobile Portrait */
@media (max-width: 576px) {
    :root {
        --header-height: 56px;
    }
    
    .main-header-bar {
        display: flex !important;
        visibility: visible;
        height: 56px;
        padding: 0.5rem 0.75rem;
        padding-left: 45px;
    }
    
    .navbar-brand-animated h1 {
        font-size: 1.1rem;
    }
    
    .navbar-profile-img {
        width: 30px;
        height: 30px;
    }
    
    .main-wrapper {
        padding: 0.75rem 0.5rem;
        padding-top: calc(var(--header-height) + 0.75rem);
        margin-left: 0;
    }
    
    .hamburger-btn-mobile {
        top: 10px;
        left: 8px;
        padding: 7px;
    }
    
    .hamburger-line {
        width: 20px;
        height: 2px;
        margin: 4px 0;
    }
    
    /* All Grids Stack Vertically */
    .col-md-4,
    .col-md-6,
    .col-sm-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    /* Cards */
    .card {
        margin-bottom: 0.75rem;
        border-radius: 12px;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .card-title {
        font-size: 1.1rem;
    }
    
    /* Stat Cards */
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    /* Buttons */
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .btn-group .btn {
        width: auto;
    }
    
    /* Chat Interface */
    .chat-container {
        height: calc(100vh - var(--header-height) - 1rem);
        border-radius: 0;
    }
    
    .chat-messages {
        padding: 0.75rem 0.5rem;
    }
    
    .chat-bubble {
        max-width: 90%;
        padding: 0.75rem 0.875rem;
        font-size: 0.875rem;
        border-radius: 12px;
    }
    
    .chat-input-container {
        padding: 0.75rem 0.5rem;
    }
    
    .chat-input {
        font-size: 0.875rem;
        padding: 0.625rem 0.875rem;
        border-radius: 20px;
    }
    
    .send-button {
        width: 40px;
        height: 40px;
        padding: 0;
    }
    
    /* Quiz Interface */
    .quiz-container {
        padding: 1rem;
    }
    
    .quiz-question {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }
    
    .quiz-option {
        padding: 0.875rem;
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }
    
    .quiz-progress {
        font-size: 0.85rem;
        padding: 0.5rem;
    }
    
    .quiz-timer {
        font-size: 0.9rem;
    }
    
    /* Timer */
    .timer-card {
        padding: 1rem;
    }
    
    .timer-display {
        font-size: 2rem;
    }
    
    .timer-controls .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }
    
    /* Profile Page */
    .profile-avatar-wrapper {
        width: 100px;
        height: 100px;
    }
    
    .profile-name {
        font-size: 1.5rem;
    }
    
    .stats-container {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .stat-item {
        width: 100%;
        padding: 0.75rem;
    }
    
    .edit-profile-btn {
        width: 100%;
        margin-top: 1rem;
    }
    
    /* Tables */
    .table {
        font-size: 0.8rem;
    }
    
    table th, table td {
        padding: 0.4rem 0.3rem;
    }
    
    /* Forms */
    .form-label {
        font-size: 0.9rem;
        margin-bottom: 0.375rem;
    }
    
    .form-control, .form-select, textarea {
        font-size: 0.95rem;
        padding: 0.625rem 0.75rem;
        border-radius: 8px;
    }
    
    /* Notes/Micro Courses */
    .course-content {
        padding: 0.75rem;
    }
    
    .course-content h1 {
        font-size: 1.5rem;
        margin-bottom: 0.75rem;
    }
    
    .course-content h2 {
        font-size: 1.25rem;
        margin-bottom: 0.5rem;
    }
    
    .course-content h3 {
        font-size: 1.1rem;
        margin-bottom: 0.4rem;
    }
    
    .course-content p {
        font-size: 0.9rem;
    }
    
    .course-content ul, .course-content ol {
        font-size: 0.9rem;
        padding-left: 1.25rem;
    }
    
    .visual-learning-card {
        margin-bottom: 0.75rem;
    }
    
    /* Markdown in Chat */
    .markdown-content h1 {
        font-size: 1.5rem;
    }
    
    .markdown-content h2 {
        font-size: 1.25rem;
    }
    
    .markdown-content h3 {
        font-size: 1.1rem;
    }
    
    .markdown-content p,
    .markdown-content li {
        font-size: 0.875rem;
    }
    
    .markdown-content pre {
        font-size: 0.8rem;
        border-radius: 8px;
        margin: 0.5rem 0;
    }
    
    .markdown-content code {
        font-size: 0.85rem;
        padding: 0.2rem 0.4rem;
    }
    
    /* Copy Button in Code Blocks */
    .copy-button {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
    
    /* Modals Full Screen on Mobile */
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100% - 1rem);
        max-height: calc(100vh - 1rem);
    }
    
    .modal-content {
        max-height: calc(100vh - 1rem);
        border-radius: 12px;
        border: none;
        display: flex;
        flex-direction: column;
    }
    
    .modal-header {
        padding: 0.875rem 1rem;
        flex-shrink: 0;
    }
    
    .modal-body {
        padding: 1rem;
        overflow-y: auto;
        overflow-x: hidden;
        flex: 1 1 auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .modal-footer {
        padding: 0.75rem 1rem;
        flex-shrink: 0;
    }
    
    /* Sidebar Full Width on Mobile */
    .sidebar {
        width: 260px;
        top: 0;
        height: 100vh;
        padding-top: 1rem;
    }
    
    .sidebar-menu a {
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
    }
    
    .sidebar-menu i {
        font-size: 1.1rem;
        width: 28px;
    }
    
    /* Footer on Mobile */
    .modern-footer {
        padding: 2rem 0 1rem;
        margin-top: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
    }
    
    .footer-content::before {
        display: none;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-brand {
        justify-content: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
        padding: 1rem;
    }
    
    .footer-copyright,
    .footer-credits {
        font-size: 0.85rem;
    }
    
    /* Payment Cards */
    .payment-method-card {
        margin-bottom: 1rem;
    }
    
    .payment-option {
        padding: 1rem;
    }
    
    .qr-code-display {
        max-width: 100%;
        margin: 1rem 0;
    }
    
    /* Alerts and Toasts */
    .alert {
        font-size: 0.9rem;
        padding: 0.75rem 1rem;
        border-radius: 8px;
    }
    
    /* Badges */
    .badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    
    /* Tooltips */
    .tooltip-inner {
        font-size: 0.85rem;
        padding: 0.5rem 0.75rem;
    }
}

/* Extra Small Mobile (iPhone SE, small Android) */
@media (max-width: 375px) {
    .main-wrapper {
        padding: 0.5rem 0.25rem;
        padding-top: calc(var(--header-height) + 0.5rem);
    }
    
    .card-body {
        padding: 0.875rem;
    }
    
    .chat-bubble {
        padding: 0.625rem 0.75rem;
        font-size: 0.85rem;
    }
    
    .btn {
        font-size: 0.8rem;
        padding: 0.45rem 0.875rem;
    }
    
    .course-content h1 {
        font-size: 1.35rem;
    }
    
    .course-content h2 {
        font-size: 1.15rem;
    }
    
    .course-content p,
    .course-content li {
        font-size: 0.85rem;
    }
    
    .timer-display {
        font-size: 1.75rem;
    }
    
    .stat-number {
        font-size: 1.25rem;
    }
}

@media (max-width: 360px) {
    :root {
        --header-height: 54px;
    }

    .main-header-bar {
        height: 54px;
        padding: 0.35rem 0;
    }

    .header-content {
        padding: 0 0.5rem;
        gap: 0.4rem;
    }

    .header-hamburger-btn {
        left: 8px;
        width: 34px;
        height: 34px;
    }

    .header-hamburger-line {
        width: 18px;
    }

    .header-center {
        gap: 0.4rem;
    }

    .brand-title {
        font-size: 0.98rem;
    }

    .header-theme-toggle,
    .profile-circle {
        width: 32px;
        height: 32px;
    }

    .main-wrapper {
        padding-top: calc(var(--header-height) + 0.5rem);
    }

    .modern-footer {
        padding: 1.5rem 0 0.75rem;
    }

    .footer-content {
        padding: 0 0.75rem;
        gap: 1.25rem;
    }

    .footer-title {
        font-size: 1.35rem;
    }

    .footer-brand-logo {
        width: 88%;
        height: 88%;
    }

    .footer-logo-circle {
        width: 50px;
        height: 50px;
    }

    .footer-description,
    .footer-email {
        font-size: 0.85rem;
    }

    .social-link {
        width: 40px;
        height: 40px;
    }

    .footer-bottom {
        gap: 0.35rem;
        padding: 0.85rem 0.75rem;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    .btn,
    .sidebar-menu a,
    .quiz-option,
    .form-control,
    .form-select {
        min-height: 44px;
    }
    
    /* Improve button touch targets */
    .header-theme-toggle,
    .profile-circle {
        min-width: 44px;
        min-height: 44px;
    }
    
    /* Disable hover effects on touch devices */
    .card:hover,
    .btn:hover,
    .sidebar-menu a:hover {
        transform: none;
    }
    
    /* But keep active/pressed states */
    .card:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    .btn:active {
        transform: scale(0.95);
        transition: transform 0.1s ease;
    }
    
    .sidebar-menu a:active {
        background: var(--primary-color);
        transition: background 0.1s ease;
    }
    
    /* Better touch scrolling */
    .chat-messages,
    .modal-body,
    .sidebar-menu {
        -webkit-overflow-scrolling: touch;
        scroll-behavior: smooth;
    }
    
    /* Remove animations on mobile for better performance */
    .brand-letter {
        animation: none !important;
    }
    
    .logo-ring,
    .logo-ring-2 {
        animation: none !important;
    }
}

/* Landscape Mode Adjustments */
@media (max-height: 500px) and (orientation: landscape) {
    .chat-container {
        height: calc(100vh - var(--header-height));
    }
    
    .main-wrapper {
        padding-top: calc(var(--header-height) + 0.5rem);
    }
    
    .sidebar {
        height: calc(100vh - var(--header-height));
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Sharper text rendering */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    
    /* Optimize images */
    img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}
}

/* Strong overrides to ensure FAQ content is fully visible (fixes dimmed/transparent content) */
.faq-section,
.faq-section .card-body,
.faq-body,
.faq-content,
.faq-content * {
    opacity: 1 !important;
    visibility: visible !important;
}

/* Dark theme specific high-contrast overrides */
[data-theme="dark"] .faq-body,
body.dark-mode .faq-body,
[data-theme="dark"] .faq-content,
body.dark-mode .faq-content {
    background: #0f172a !important;
    color: #e6eef8 !important;
}

[data-theme="dark"] .faq-content p,
body.dark-mode .faq-content p,
[data-theme="dark"] .faq-content h6,
body.dark-mode .faq-content h6 {
    color: #e6eef8 !important;
}

/* Make sure collapsed/expanded states are fully visible */
.accordion-collapse .faq-body,
.accordion-collapse.show .faq-body {
    opacity: 1 !important;
}

/* Feature & alert boxes inside FAQ */
[data-theme="dark"] .feature-box,
body.dark-mode .feature-box,
[data-theme="dark"] .premium-feature,
body.dark-mode .premium-feature,
[data-theme="dark"] .faq-content .alert,
body.dark-mode .faq-content .alert {
    background: #111827 !important;
    color: #e6eef8 !important;
    border-color: #374151 !important;
}

/* Ensure collapsed (unopened) FAQ headers are readable in dark mode */
body.dark-mode .faq-button,
body.dark-mode .faq-button.collapsed,
[data-theme="dark"] .faq-button,
[data-theme="dark"] .faq-button.collapsed {
    background: #0f172a !important;
    color: #e6eef8 !important;
    border-bottom: 1px solid rgba(255,255,255,0.03) !important;
}

/* Ensure faq items have a dark background in dark mode so closed rows are visible */
body.dark-mode .faq-item,
[data-theme="dark"] .faq-item {
    background: transparent !important;
}

/* Increase contrast for the header area in dark mode */
body.dark-mode .faq-section .card-header,
[data-theme="dark"] .faq-section .card-header {
    background: linear-gradient(135deg,#4f46e5,#7c3aed) !important;
    color: #ffffff !important;
}

/* EduYantra */
/* Completed */

.premium-auth-modal {
    border: none;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    background: #ffffff;
}

.modal-dialog {
    max-width: 950px;
}

.btn-close-premium {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(102, 126, 234, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(102, 126, 234, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-close-premium i {
    color: #667eea;
    font-size: 18px;
}

.btn-close-premium:hover {
    background: rgba(102, 126, 234, 0.2);
    transform: rotate(90deg);
}


.auth-banner-gradient {
    position: relative;
    height: 100%;
    min-height: 600px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.signup-gradient {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.auth-banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 40px;
}

.auth-icon-wrapper {
    width: 120px;
    height: 120px;
    margin: 0 auto 30px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

.auth-icon-wrapper i {
    font-size: 60px;
    color: #ffffff;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-10px) rotate(-5deg);
    }
    75% {
        transform: translateY(10px) rotate(5deg);
    }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.auth-banner-title {
    color: #ffffff;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.auth-banner-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    margin-bottom: 40px;
}

.auth-features {
    margin-top: 40px;
}

.auth-feature-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: #ffffff;
    font-size: 15px;
    margin-bottom: 16px;
    opacity: 0;
    animation: fadeInUp 0.6s forwards;
}

.auth-feature-item i {
    font-size: 18px;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
    from {
        opacity: 0;
        transform: translateY(20px);
    }
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(40px);
}

.shape-1 {
    width: 200px;
    height: 200px;
    background: #ffffff;
    top: 10%;
    left: -50px;
    animation: floatShape 20s ease-in-out infinite;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background: #ffffff;
    bottom: 20%;
    right: -30px;
    animation: floatShape 15s ease-in-out infinite reverse;
}

.shape-3 {
    width: 180px;
    height: 180px;
    background: #ffffff;
    top: 60%;
    left: 50%;
    animation: floatShape 18s ease-in-out infinite;
}

@keyframes floatShape {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(50px, 50px) scale(1.1);
    }
}


.auth-form-container {
    padding: 50px 40px;
}

.auth-header {
    margin-bottom: 35px;
}

.auth-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 8px;
}

.auth-description {
    font-size: 15px;
    color: #718096;
}


.auth-form {
    margin-bottom: 25px;
}

.form-group-modern {
    margin-bottom: 24px;
}

.form-label-modern {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 10px;
}

.label-icon {
    color: #667eea;
    font-size: 16px;
}

.input-wrapper-modern {
    position: relative;
}

.form-input-modern {
    width: 100%;
    padding: 14px 18px;
    font-size: 15px;
    color: #2d3748;
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.form-input-modern:focus {
    background: #ffffff;
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
}

.form-input-modern::placeholder {
    color: #a0aec0;
}

.input-border-effect {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transition: width 0.4s ease;
    border-radius: 2px;
}

.form-input-modern:focus + .input-border-effect {
    width: 100%;
}

.password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #a0aec0;
    cursor: pointer;
    padding: 5px;
    transition: color 0.3s ease;
    z-index: 5;
}

.password-toggle:hover {
    color: #667eea;
}

.password-strength {
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.strength-bars {
    display: flex;
    gap: 5px;
    flex: 1;
}

.strength-bars .bar {
    height: 4px;
    flex: 1;
    background: #e2e8f0;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.strength-text {
    font-size: 12px;
    color: #a0aec0;
    white-space: nowrap;
}

.password-weak .bar:nth-child(1) {
    background: #f56565;
}

.password-medium .bar:nth-child(1),
.password-medium .bar:nth-child(2) {
    background: #ed8936;
}

.password-strong .bar:nth-child(1),
.password-strong .bar:nth-child(2),
.password-strong .bar:nth-child(3) {
    background: #48bb78;
}

.password-very-strong .bar {
    background: #38a169;
}


.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
}

.custom-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.custom-checkbox input[type="checkbox"] {
    display: none;
}

.checkmark {
    position: relative;
    width: 20px;
    height: 20px;
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.checkmark::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    color: #ffffff;
    font-size: 11px;
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.custom-checkbox input:checked + .checkmark {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-color: #667eea;
}

.custom-checkbox input:checked + .checkmark::after {
    transform: translate(-50%, -50%) scale(1);
}

.checkbox-label {
    font-size: 14px;
    color: #4a5568;
}

.forgot-link,
.inline-link {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-link:hover,
.inline-link:hover {
    color: #764ba2;
    text-decoration: underline;
}


.btn-auth-submit {
    position: relative;
    width: 100%;
    padding: 16px;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.btn-auth-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.4);
}

.btn-auth-submit:active {
    transform: translateY(0);
}

.btn-text {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.btn-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-auth-submit.loading .btn-text {
    opacity: 0;
}

.btn-auth-submit.loading .btn-loading {
    opacity: 1;
}

.btn-auth-submit.loading {
    pointer-events: none;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-text {
    font-size: 14px;
    color: #ffffff;
}


.auth-progress-bar {
    width: 100%;
    height: 3px;
    background: #e2e8f0;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.auth-progress-bar.active {
    opacity: 1;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
    background-size: 200% 100%;
    animation: progressFill 2s ease-in-out, shimmer 1.5s ease-in-out infinite;
    border-radius: 3px;
}

@keyframes progressFill {
    0% {
        width: 0%;
    }
    50% {
        width: 70%;
    }
    100% {
        width: 100%;
    }
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}


.auth-message {
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 14px;
    margin-top: 15px;
    display: none;
    animation: slideDown 0.4s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-message.show {
    display: block;
}

.auth-message.success {
    background: #c6f6d5;
    color: #22543d;
    border-left: 4px solid #38a169;
}

.auth-message.error {
    background: #fed7d7;
    color: #742a2a;
    border-left: 4px solid #f56565;
}

.auth-message.info {
    background: #bee3f8;
    color: #2c5282;
    border-left: 4px solid #3182ce;
}


.auth-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
}

.auth-footer-text {
    font-size: 14px;
    color: #718096;
    margin: 0;
}

.auth-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.auth-link:hover {
    color: #764ba2;
}


.modal.fade .modal-dialog {
    transform: scale(0.8) translateY(-50px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.modal.show .modal-dialog {
    transform: scale(1) translateY(0);
    opacity: 1;
}


.success-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(102, 126, 234, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.success-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.success-content {
    text-align: center;
    color: #ffffff;
    transform: scale(0.5);
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.success-overlay.active .success-content {
    transform: scale(1);
}

.success-icon {
    font-size: 80px;
    margin-bottom: 20px;
    animation: successPulse 0.5s ease-in-out;
}

@keyframes successPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

.success-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
}

.success-message {
    font-size: 18px;
    opacity: 0.9;
}


@media (max-width: 991px) {
    .auth-banner-gradient {
        min-height: 300px;
    }
    
    .auth-form-container {
        padding: 40px 30px;
    }
    
    .modal-dialog {
        max-width: 600px;
    }
}

@media (max-width: 575px) {
    .auth-form-container {
        padding: 30px 20px;
    }
    
    .auth-title {
        font-size: 26px;
    }
    
    .form-input-modern {
        padding: 12px 16px;
    }
    
    .btn-auth-submit {
        padding: 14px;
    }
}