/* ===== VARIABLES & RESET ===== */
:root {
    /* Color Palette - Dark Theme */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #10b981;
    --accent: #f59e0b;
    
    /* Background Colors */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: rgba(30, 41, 59, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-overlay: rgba(15, 23, 42, 0.9);
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-inverse: #0f172a;
    
    /* Border & Shadow */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.5);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #e2e8f0;
    --bg-tertiary: #cbd5e1;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-glass: rgba(0, 0, 0, 0.05);
    --bg-overlay: rgba(248, 250, 252, 0.9);
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --text-inverse: #f8fafc;
    
    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.2);
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 0 var(--spacing-md);
    height: 64px;
}

.header-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--spacing-md);
}

.logo {
    flex-shrink: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    color: var(--primary);
    font-size: 1.8rem;
}

.logo-highlight {
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.search-bar {
    flex: 1;
    max-width: 600px;
    position: relative;
}

.search-form {
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 3rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all var(--transition-normal);
}

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

.search-button {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1rem;
}

.search-button:hover {
    color: var(--primary);
}

.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-top: 0.5rem;
    padding: var(--spacing-sm);
    display: none;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.search-suggestions.active {
    display: block;
}

.user-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.action-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.upload-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.upload-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.notification-btn {
    position: relative;
    padding: 0.5rem;
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--secondary);
    color: white;
    font-size: 0.7rem;
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.user-profile {
    margin-left: var(--spacing-xs);
}

.profile-img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    object-fit: cover;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    padding: 0.5rem;
}

/* ===== MAIN CONTAINER ===== */
.main-container {
    display: flex;
    min-height: calc(100vh - 64px);
    margin-top: 64px;
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: 240px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    position: fixed;
    top: 64px;
    bottom: 0;
    left: 0;
    overflow-y: auto;
    z-index: 900;
    transition: transform var(--transition-normal);
}

.sidebar-content {
    padding: 0 var(--spacing-md);
}

.sidebar-menu {
    margin-bottom: var(--spacing-lg);
}

.menu-item {
    margin-bottom: 0.5rem;
}

.menu-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.menu-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.menu-item.active .menu-link {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-sm);
}

.menu-icon {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.menu-text {
    font-size: 0.95rem;
    font-weight: 500;
}

.sidebar-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-lg) 0;
}

.subscriptions-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.platforms-list {
    margin-bottom: var(--spacing-lg);
}

.platform-item {
    margin-bottom: 0.5rem;
}

.platform-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.platform-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.platform-icon {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.platform-name {
    font-size: 0.9rem;
    font-weight: 500;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.theme-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.theme-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.app-info {
    margin-top: var(--spacing-sm);
    text-align: center;
}

.app-version {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.app-copyright {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ===== CONTENT AREA ===== */
.content-area {
    flex: 1;
    margin-left: 240px;
    padding: var(--spacing-lg);
    max-width: calc(100% - 240px);
}

/* ===== HERO SECTION ===== */
.hero-section {
    margin-bottom: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    position: relative;
    height: 400px;
}

.hero-slider {
    height: 100%;
    position: relative;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity var(--transition-slow);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero-slide.active {
    opacity: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: var(--spacing-xl);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 600px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, #fff 0%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    transition: all var(--transition-normal);
    max-width: fit-content;
}

.hero-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.6) 100%);
    z-index: 1;
}

/* ===== PLATFORM FILTER ===== */
.platform-filter {
    margin-bottom: var(--spacing-xl);
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.filter-container {
    max-width: 100%;
    overflow-x: auto;
}

.filter-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.filter-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-tag {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.filter-tag:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.filter-tag.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* ===== CONTENT SECTIONS ===== */
.content-section {
    margin-bottom: var(--spacing-xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.section-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.section-link:hover {
    color: var(--primary-light);
    gap: 0.75rem;
}

/* ===== VIDEOS GRID ===== */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.video-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
    position: relative;
}

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

.video-thumbnail {
    position: relative;
    height: 160px;
    overflow: hidden;
}

.thumbnail-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.video-card:hover .thumbnail-img {
    transform: scale(1.05);
}

.video-duration {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

.video-content {
    padding: var(--spacing-md);
}

.video-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.video-channel {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.channel-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.video-stats {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.video-stat {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.video-description {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== LOADING SPINNER ===== */
.loading-spinner {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-sm);
}

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

/* Skeleton Loading */
.loading-skeleton-grid {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.skeleton-card {
    pointer-events: none;
    border-color: rgba(148, 163, 184, 0.15);
}

.skeleton-block,
.skeleton-line {
    position: relative;
    overflow: hidden;
    background: linear-gradient(100deg, rgba(148,163,184,.14) 30%, rgba(148,163,184,.28) 48%, rgba(148,163,184,.14) 62%);
    background-size: 220% 100%;
    animation: skeletonShimmer 1.2s ease-in-out infinite;
    border-radius: 10px;
}

.skeleton-block {
    width: 100%;
    height: 160px;
}

.skeleton-line {
    height: 12px;
    margin-bottom: 0.65rem;
}

@keyframes skeletonShimmer {
    0% { background-position: 180% 0; }
    100% { background-position: -40% 0; }
}

/* ===== VIDEO MODAL ===== */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
}

.video-modal.active {
    display: block;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: rotate(90deg);
}

.modal-body {
    padding: 2rem;
    max-height: calc(90vh - 4rem);
    overflow-y: auto;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0 0;
    margin-top: var(--spacing-xl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.footer-section {
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-bottom a {
    color: var(--primary);
    font-weight: 500;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .content-area {
        margin-left: 0;
        max-width: 100%;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .mobile-menu-btn {
        display: block;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 var(--spacing-sm);
    }
    
    .user-actions .action-btn span {
        display: none;
    }
    
    .hero-section {
        height: 300px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .videos-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: var(--spacing-md);
    }
    
    .content-area {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .videos-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-section {
        height: 250px;
    }
    
    .hero-content {
        padding: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-button {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

/* ===== UTILITY CLASSES ===== */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

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

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

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

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

.slide-in {
    animation: slideIn 0.3s ease forwards;
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

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

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

/* ===== FOCUS STATES ===== */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .sidebar,
    .footer,
    .hero-button,
    .action-btn,
    .search-bar,
    .mobile-menu-btn {
        display: none !important;
    }
    
    .main-container {
        margin-top: 0;
    }
    
    .content-area {
        margin-left: 0;
        max-width: 100%;
        padding: 0;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}