/* Modern Professional Design System */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    /* AltText.io-inspired Colors - Matching Frontend */
    --primary-500: #2a9d8f;      /* AltText.io teal */
    --primary-600: #248074;
    --primary-700: #1f6b5c;
    --primary-800: #1a5649;
    
    --accent-500: #4285f4;       /* Clean blue */
    --accent-600: #3367d6;
    
    /* Sophisticated Slate Scale */
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --slate-950: #020617;
    
    /* Semantic Colors */
    --success-500: #10b981;
    --success-600: #059669;
    --danger-500: #ef4444;
    --danger-600: #dc2626;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    --info-500: #3b82f6;
    --info-600: #2563eb;
    
    /* Typography - Matching Frontend */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;
    
    /* Text Sizes - Matching Frontend Scale */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1.125rem;   /* 18px - larger base like frontend */
    --text-lg: 1.25rem;      /* 20px */
    --text-xl: 1.5rem;       /* 24px */
    --text-2xl: 1.875rem;    /* 30px */
    --text-3xl: 2.25rem;     /* 36px */
    --text-4xl: 2.875rem;    /* 46px */
    
    /* Spacing & Borders - Matching Frontend Style */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* Reset & Base */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: #222222;
    background: #ffffff;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0,0,0,0.01) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.01) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
}

/* Dark Theme - Sophisticated Slate */
body.dark-theme {
    background: var(--slate-900);
    color: var(--slate-100);
}

body.dark-theme::before {
    background-image: 
        linear-gradient(rgba(255,255,255,0.01) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.01) 1px, transparent 1px);
}

/* Main Layout */
.container-fluid {
    padding-top: 1rem;
}

/* Navigation Bar */
.navbar {
    background: white !important;
    border-bottom: 1px solid var(--slate-200);
    box-shadow: none;
    padding: 0.75rem 0;
    position: relative;
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-500) 50%, transparent);
    opacity: 0.1;
}

body.dark-theme .navbar {
    background: var(--slate-800) !important;
    border-bottom-color: var(--slate-700);
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.5);
}

.navbar-brand {
    font-weight: 700;
    font-size: var(--text-xl);
    color: #222222 !important;
}

body.dark-theme .navbar-brand {
    color: var(--slate-100) !important;
}

.nav-link {
    font-weight: 500;
    color: var(--slate-600) !important;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--slate-900) !important;
    background: var(--slate-100);
}

body.dark-theme .nav-link {
    color: var(--slate-400) !important;
}

body.dark-theme .nav-link:hover {
    color: var(--slate-100) !important;
    background: var(--slate-700);
}

/* Professional Sidebar */
.dashboard-sidebar {
    background: white;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 1rem;
    height: calc(100vh - 2rem);
    overflow-y: auto;
}

body.dark-theme .dashboard-sidebar {
    background: var(--slate-800);
    border-color: var(--slate-700);
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.5);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--slate-200);
}

body.dark-theme .sidebar-header {
    border-bottom-color: var(--slate-700);
}

.sidebar-title {
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--slate-500);
    margin: 0;
}

body.dark-theme .sidebar-title {
    color: var(--slate-400);
}

.sidebar-nav {
    padding: 0.5rem;
}

.sidebar-nav .nav-link {
    color: var(--slate-600) !important;
    padding: 0.75rem 1rem !important;
    margin-bottom: 0.25rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.2s ease;
    position: relative;
}

.sidebar-nav .nav-link:hover {
    background: var(--slate-100);
    color: var(--slate-900) !important;
}

.sidebar-nav .nav-link.active {
    background: var(--primary-500);
    color: white !important;
}

body.dark-theme .sidebar-nav .nav-link {
    color: var(--slate-400) !important;
}

body.dark-theme .sidebar-nav .nav-link:hover {
    background: var(--slate-700);
    color: var(--slate-100) !important;
}

body.dark-theme .sidebar-nav .nav-link.active {
    background: var(--primary-600);
}

.sidebar-nav .nav-link i {
    font-size: 1.125rem;
    width: 20px;
}

/* Organization Footer */
.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--slate-200);
    margin-top: auto;
}

body.dark-theme .sidebar-footer {
    border-top-color: var(--slate-700);
}

.organization-info {
    margin-bottom: 1rem;
}

.organization-info .org-name {
    font-weight: 600;
    color: var(--slate-900);
    margin-bottom: 0.25rem;
}

body.dark-theme .organization-info .org-name {
    color: var(--slate-100);
}

.badge-plan {
    font-size: var(--text-xs);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.badge-free { background: var(--slate-500); color: white; }
.badge-starter { background: var(--primary-500); color: white; }
.badge-pro { background: var(--success-500); color: white; }
.badge-enterprise { background: var(--warning-500); color: white; }

/* Cards - Geometric Design */
.card {
    background: white;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    box-shadow: none;
    transition: all 0.2s ease;
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--primary-500), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover {
    border-color: var(--slate-300);
    transform: translateY(-1px);
}

.card:hover::before {
    opacity: 0.5;
}

body.dark-theme .card {
    background: var(--slate-800);
    border-color: var(--slate-700);
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.5);
}

body.dark-theme .card:hover {
    border-color: var(--slate-600);
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.5);
}

.card-header {
    background: var(--slate-50);
    border-bottom: 1px solid var(--slate-200);
    padding: 1rem 1.5rem;
    font-weight: 600;
}

body.dark-theme .card-header {
    background: var(--slate-900);
    border-bottom-color: var(--slate-700);
    color: var(--slate-100);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: #222222;
    margin-bottom: 1rem;
}

body.dark-theme .card-title {
    color: var(--slate-100);
}

/* Stats Cards - Abstract Geometric */
.stats-card {
    background: white;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: none;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    height: 60px;
    background: var(--primary-500);
    opacity: 0.03;
    clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.stats-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-500);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-1px);
    border-color: var(--primary-500);
}

.stats-card:hover::after {
    transform: scaleX(1);
}

.stats-card.clickable-card {
    cursor: pointer;
}

body.dark-theme .stats-card {
    background: var(--slate-800);
    border-color: var(--slate-700);
}

.stats-card h2 {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin: 0.5rem 0;
    line-height: 1;
}

body.dark-theme .stats-card h2 {
    color: white;
}

.stats-card h6 {
    font-size: 0.875rem;
    font-weight: 500;
    color: white;
    margin: 0;
    opacity: 0.95;
}

body.dark-theme .stats-card h6 {
    color: white;
    opacity: 0.95;
}

.stats-card i {
    font-size: 1.5rem;
    color: white;
    margin-bottom: 0.5rem;
    display: inline-block;
    opacity: 0.9;
}

body.dark-theme .stats-card i {
    color: white;
    opacity: 0.9;
}

/* Buttons - Sharp Geometric */
.btn {
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-sm);
    padding: 0.75rem 1.5rem;
    border: none;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: left 0.3s ease;
}

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

.btn:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--primary-500);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-600);
    color: white;
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary-500);
    border: 1px solid var(--primary-500);
}

.btn-outline-primary:hover {
    background: var(--primary-500);
    color: white;
}

.btn-secondary {
    background: var(--slate-200);
    color: var(--slate-700);
}

.btn-secondary:hover {
    background: var(--slate-300);
    color: var(--slate-800);
}

body.dark-theme .btn-secondary {
    background: var(--slate-700);
    color: var(--slate-200);
}

body.dark-theme .btn-secondary:hover {
    background: var(--slate-600);
    color: var(--slate-100);
}

.btn-outline-secondary {
    background: transparent;
    color: var(--slate-600);
    border: 1px solid var(--slate-300);
}

.btn-outline-secondary:hover {
    background: var(--slate-100);
    color: var(--slate-700);
}

body.dark-theme .btn-outline-secondary {
    color: var(--slate-400);
    border-color: var(--slate-600);
}

body.dark-theme .btn-outline-secondary:hover {
    background: var(--slate-700);
    color: var(--slate-100);
}

.btn-success {
    background: var(--success-500);
    color: white;
}

.btn-success:hover {
    background: var(--success-600);
    color: white;
}

.btn-danger {
    background: var(--danger-500);
    color: white;
}

.btn-danger:hover {
    background: var(--danger-600);
    color: white;
}

.btn-warning {
    background: var(--warning-500);
    color: white;
}

.btn-warning:hover {
    background: var(--warning-600);
    color: white;
}

.btn-info {
    background: var(--info-500);
    color: white;
}

.btn-info:hover {
    background: var(--info-600);
    color: white;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--text-base);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--text-xs);
}

/* Button Groups */
.btn-group {
    display: inline-flex;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

body.dark-theme .btn-group {
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.5);
}

.btn-group .btn {
    border-radius: 0;
    margin: 0;
    border-right: 1px solid rgba(0, 0, 0, 0.1);
}

.btn-group .btn:last-child {
    border-right: none;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Button group specific dark mode styling */
body.dark-theme .btn-group .btn-primary {
    background: var(--primary-600);
    border-color: var(--primary-700);
}

body.dark-theme .btn-group .btn-primary:hover {
    background: var(--primary-500);
}

body.dark-theme .btn-group .btn-secondary {
    background: var(--slate-700);
    color: var(--slate-100);
    border-color: var(--slate-800);
}

body.dark-theme .btn-group .btn-secondary:hover {
    background: var(--slate-600);
}

body.dark-theme .btn-group .btn-info {
    background: var(--info-600);
    border-color: var(--info-700);
}

body.dark-theme .btn-group .btn-info:hover {
    background: var(--info-500);
}

body.dark-theme .btn-group .btn-danger {
    background: var(--danger-600);
    border-color: var(--danger-700);
}

body.dark-theme .btn-group .btn-danger:hover {
    background: var(--danger-500);
}

/* Quick Actions - Abstract Design */
.quick-action {
    background: white;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all 0.2s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.quick-action::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-500), transparent);
    opacity: 0.05;
    clip-path: polygon(0 0, 100% 0, 0 100%);
}

.quick-action::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 2px;
    height: 100%;
    background: var(--primary-500);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.3s ease;
}

.quick-action:hover {
    border-color: var(--primary-500);
    transform: translateY(-1px);
}

.quick-action:hover::after {
    transform: scaleY(1);
}

body.dark-theme .quick-action {
    background: var(--slate-700);
    border-color: var(--slate-600);
}

body.dark-theme .quick-action:hover {
    background: var(--slate-600);
    border-color: var(--primary-500);
}

.quick-action h6 {
    font-weight: 600;
    color: var(--slate-900);
    margin-bottom: 0.5rem;
}

body.dark-theme .quick-action h6 {
    color: var(--slate-100);
}

.quick-action small {
    color: var(--slate-500);
}

body.dark-theme .quick-action small {
    color: var(--slate-400);
}

/* Forms */
.form-control {
    background: white;
    border: 1px solid var(--slate-300);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    background: white;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
    outline: none;
}

body.dark-theme .form-control {
    background: var(--slate-700);
    border-color: var(--slate-600);
    color: var(--slate-100);
}

body.dark-theme .form-control:focus {
    background: var(--slate-700);
    border-color: var(--primary-500);
}

.form-label {
    font-weight: 500;
    color: var(--slate-700);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

body.dark-theme .form-label {
    color: var(--slate-300);
}

.form-text {
    color: var(--slate-500);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

body.dark-theme .form-text {
    color: var(--slate-400);
}

/* Input Groups */
.input-group .form-control {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .btn {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Tables */
.table {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--slate-200);
}

body.dark-theme .table {
    background: var(--slate-800);
    color: var(--slate-100);
    border-color: var(--slate-700);
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.5);
}

.table thead th {
    background: var(--slate-50);
    color: var(--slate-700);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--slate-200);
    padding: 1rem;
}

body.dark-theme .table thead th {
    background: var(--slate-900);
    color: var(--slate-200);
    border-bottom-color: var(--slate-600);
}

.table tbody tr {
    transition: all 0.2s ease;
}

.table tbody tr:hover {
    background: var(--slate-50);
}

body.dark-theme .table tbody tr:hover {
    background: rgba(71, 85, 105, 0.5); /* slate-600 with opacity */
}

.table td {
    padding: 1rem;
    border-top: 1px solid var(--slate-100);
    font-size: 0.875rem;
}

body.dark-theme .table td {
    border-top-color: rgba(71, 85, 105, 0.3); /* subtle border in dark mode */
    color: var(--slate-200);
}

/* Make text in table cells more readable in dark mode */
body.dark-theme .table a {
    color: var(--primary-400);
}

body.dark-theme .table a:hover {
    color: var(--primary-300);
}

/* Table Responsive Container */
.table-responsive {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

body.dark-theme .table-responsive {
    background: transparent;
}

/* Badges */
.badge {
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}

.badge.bg-primary {
    background: var(--primary-500) !important;
    color: white;
}

.badge.bg-success {
    background: var(--success-500) !important;
    color: white;
}

.badge.bg-secondary {
    background: var(--slate-500) !important;
    color: white;
}

/* Dark mode badge improvements */
body.dark-theme .badge {
    font-weight: 600;
}

body.dark-theme .badge.bg-success {
    background: var(--success-600) !important;
}

body.dark-theme .badge.bg-secondary {
    background: var(--slate-600) !important;
}

.badge.bg-danger {
    background: var(--danger-500) !important;
    color: white;
}

.badge.bg-warning {
    background: var(--warning-500) !important;
    color: white;
}

.badge.bg-info {
    background: var(--info-500) !important;
    color: white;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: 1rem;
    font-weight: 500;
    font-size: 0.875rem;
}

.alert-success {
    background: rgb(16 185 129 / 0.1);
    color: var(--success-600);
}

.alert-danger {
    background: rgb(239 68 68 / 0.1);
    color: var(--danger-600);
}

.alert-warning {
    background: rgb(245 158 11 / 0.1);
    color: var(--warning-600);
}

.alert-info {
    background: rgb(59 130 246 / 0.1);
    color: var(--info-600);
}

/* Modals */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

body.dark-theme .modal-content {
    background: var(--slate-800);
    color: var(--slate-100);
}

.modal-header {
    background: var(--slate-50);
    border-bottom: 1px solid var(--slate-200);
    padding: 1.25rem 1.5rem;
}

body.dark-theme .modal-header {
    background: var(--slate-700);
    border-bottom-color: var(--slate-600);
}

.modal-title {
    font-weight: 600;
    color: var(--slate-900);
}

body.dark-theme .modal-title {
    color: var(--slate-100);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    background: var(--slate-50);
    border-top: 1px solid var(--slate-200);
    padding: 1rem 1.5rem;
}

body.dark-theme .modal-footer {
    background: var(--slate-700);
    border-top-color: var(--slate-600);
}

/* Code Blocks */
.code-block {
    background: var(--slate-900);
    color: var(--slate-100);
    padding: 1rem;
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.5;
    overflow-x: auto;
}

body.dark-theme .code-block {
    background: var(--slate-950);
}

/* Toast */
.toast {
    background: white;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

body.dark-theme .toast {
    background: var(--slate-800);
    border-color: var(--slate-700);
    color: var(--slate-100);
}

.toast-header {
    background: var(--slate-50);
    border-bottom: 1px solid var(--slate-200);
}

body.dark-theme .toast-header {
    background: var(--slate-700);
    border-bottom-color: var(--slate-600);
    color: var(--slate-100);
}

/* Loading Spinner */
.spinner-border {
    border-width: 2px;
}

/* Hero Section - Abstract Geometric */
.hero {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: white;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(45deg, rgba(255,255,255,0.02) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255,255,255,0.02) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.02) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.02) 75%);
    background-size: 30px 30px;
    background-position: 0 0, 0 15px, 15px -15px, -15px 0px;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.03);
    clip-path: polygon(100% 0, 0 100%, 100% 100%);
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
}

/* Features Section */
.features-section {
    padding: 4rem 0;
    background: var(--slate-50);
    position: relative;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--slate-200) 20%, var(--slate-200) 80%, transparent);
}

body.dark-theme .features-section {
    background: var(--slate-800);
}

.feature-icon {
    font-size: 2rem;
    color: var(--primary-500);
    margin-bottom: 1rem;
    display: inline-block;
    position: relative;
    padding: 1rem;
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-md);
}

.feature-icon::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    width: 16px;
    height: 16px;
    border-top: 2px solid var(--primary-500);
    border-left: 2px solid var(--primary-500);
}

.feature-icon::after {
    content: '';
    position: absolute;
    bottom: -4px;
    right: -4px;
    width: 16px;
    height: 16px;
    border-bottom: 2px solid var(--primary-500);
    border-right: 2px solid var(--primary-500);
}

/* Footer */
footer {
    background: white;
    border-top: 1px solid var(--slate-200);
    padding: 2rem 0;
    color: var(--slate-600);
}

body.dark-theme footer {
    background: var(--slate-800);
    border-top-color: var(--slate-700);
    color: var(--slate-400);
}

/* Utilities */
.text-muted {
    color: var(--slate-500) !important;
}

body.dark-theme .text-muted {
    color: var(--slate-400) !important;
}

.bg-light {
    background: var(--slate-50) !important;
}

body.dark-theme .bg-light {
    background: var(--slate-800) !important;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--slate-100);
}

body.dark-theme ::-webkit-scrollbar-track {
    background: var(--slate-800);
}

::-webkit-scrollbar-thumb {
    background: var(--slate-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--slate-500);
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-sidebar {
        position: static;
        height: auto;
        margin-bottom: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
}

/* Focus Visible */
.btn:focus-visible,
.form-control:focus-visible,
.nav-link:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* Theme Toggle Button */
.theme-toggle button {
    background: var(--slate-100);
    border: 1px solid var(--slate-200);
    color: var(--slate-700);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.theme-toggle button:hover {
    background: var(--slate-200);
    border-color: var(--slate-300);
}

body.dark-theme .theme-toggle button {
    background: var(--slate-700);
    border-color: var(--slate-600);
    color: var(--slate-200);
}

body.dark-theme .theme-toggle button:hover {
    background: var(--slate-600);
    border-color: var(--slate-500);
}

/* Btn Group */
.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Form Control Color */
.form-control-color {
    width: 3rem;
    height: 2.25rem;
    padding: 0.25rem;
}

/* Hero Stats */
.hero-stats {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-stats h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.hero-stats small {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Video Preview */
.video-preview {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: none;
    position: relative;
}

.video-preview::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: linear-gradient(45deg, var(--primary-500), transparent, var(--primary-500));
    opacity: 0.1;
    z-index: -1;
    border-radius: var(--radius-lg);
}

.video-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
}

.video-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.video-participant {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: 1rem;
    text-align: center;
}

.participant-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.participant-name {
    font-size: 0.875rem;
    font-weight: 500;
}

.video-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 0.75rem;
}

.video-actions {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.action-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.2s ease;
    cursor: pointer;
}

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

.action-btn.active {
    background: var(--success-500);
}

.action-btn.danger {
    background: var(--danger-500);
}

/* CTA Section */
.cta-section {
    background: var(--slate-900);
    color: white;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 48%, var(--primary-600) 49%, var(--primary-600) 51%, transparent 52%);
    opacity: 0.03;
    transform: rotate(45deg);
}

body.dark-theme .cta-section {
    background: var(--slate-950);
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* Abstract Design Elements */
.bi::before {
    font-weight: 700 !important;
}

/* Geometric Pattern Overlays */
.geometric-bg {
    position: relative;
}

.geometric-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(45deg, transparent 48%, var(--slate-200) 49%, var(--slate-200) 51%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, var(--slate-200) 49%, var(--slate-200) 51%, transparent 52%);
    background-size: 20px 20px;
    opacity: 0.03;
    pointer-events: none;
}

/* Abstract Corner Accents */
.corner-accent {
    position: relative;
}

.corner-accent::before,
.corner-accent::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-500);
    opacity: 0.1;
}

.corner-accent::before {
    top: -10px;
    left: -10px;
    border-right: none;
    border-bottom: none;
}

.corner-accent::after {
    bottom: -10px;
    right: -10px;
    border-left: none;
    border-top: none;
}

/* Abstract Dividers */
.abstract-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--slate-300) 20%, var(--slate-300) 80%, transparent);
    margin: 2rem 0;
    position: relative;
}

.abstract-divider::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    width: 8px;
    height: 8px;
    background: var(--primary-500);
}

/* Geometric Badges */
.badge {
    position: relative;
    padding-left: 0.75rem;
    border-left: 3px solid currentColor;
}

/* Gradient Text */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Frontend-Inspired Enhancements */
.page-header {
    background: white;
    border-bottom: 1px solid #e8e8e8;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

body.dark-theme .page-header {
    background: var(--slate-800);
    border-bottom-color: var(--slate-700);
}

.page-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: #222222;
    margin: 0;
    line-height: 1.2;
}

body.dark-theme .page-title {
    color: var(--slate-100);
}

.page-subtitle {
    font-size: var(--text-lg);
    color: #666666;
    margin: 0.5rem 0 0 0;
    line-height: 1.5;
}

body.dark-theme .page-subtitle {
    color: var(--slate-400);
}

/* Better Stats Card Typography */
.stats-card h2 {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: white;
    margin: 0.5rem 0;
    line-height: 1;
}

.stats-card h6 {
    font-size: var(--text-sm);
    font-weight: 500;
    color: white;
    margin: 0;
    opacity: 0.95;
}

/* Enhanced Form Styling */
.form-control {
    background: white;
    border: 1px solid #e8e8e8;
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: var(--text-base);
    transition: all 0.2s ease;
    line-height: 1.5;
}

.form-control:focus {
    background: white;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.1);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: #222222;
    margin-bottom: 0.5rem;
    font-size: var(--text-sm);
}

body.dark-theme .form-label {
    color: var(--slate-200);
}

/* Better Table Styling */
.table thead th {
    background: #fafafa;
    color: #222222;
    font-weight: 600;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid #e8e8e8;
    padding: 1rem;
}

.table td {
    padding: 1rem;
    border-top: 1px solid #f0f0f0;
    font-size: var(--text-sm);
    color: #222222;
}

body.dark-theme .table td {
    color: var(--slate-200);
}

/* Enhanced Alerts */
.alert {
    border: none;
    border-radius: var(--radius-lg);
    padding: 1rem 1.5rem;
    font-weight: 500;
    font-size: var(--text-sm);
    border-left: 4px solid currentColor;
}

.alert-success {
    background: rgba(42, 157, 143, 0.1);
    color: var(--primary-600);
}

.alert-info {
    background: rgba(66, 133, 244, 0.1);
    color: var(--accent-600);
}

/* Responsive Typography */
@media (max-width: 768px) {
    .page-title {
        font-size: var(--text-2xl);
    }
    
    .page-subtitle {
        font-size: var(--text-base);
    }
    
    .stats-card h2 {
        font-size: var(--text-2xl);
    }
}