/* ===== CSS Variables ===== */
:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #212121;
    --bg-hover: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --text-muted: #717171;
    --accent-primary: #e50914;
    --accent-secondary: #ff6b6b;
    --accent-gradient: linear-gradient(135deg, #e50914 0%, #ff6b6b 100%);
    --border-color: #303030;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --header-height: 60px;
    --sidebar-width: 240px;
    --sidebar-collapsed: 72px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

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

/* ===== 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(--border-color);
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 1000;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 20px;
    border-radius: 50%;
    transition: var(--transition);
}

.menu-toggle:hover {
    background: var(--bg-hover);
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 22px;
    font-weight: 700;
}

.logo-icon {
    color: var(--accent-primary);
    font-size: 28px;
}

.logo-text {
    color: var(--text-primary);
}

.logo-accent {
    color: var(--accent-primary);
}

.header-center {
    flex: 1;
    max-width: 600px;
    margin: 0 24px;
}

.search-container {
    display: flex;
    align-items: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 40px;
    overflow: hidden;
    transition: var(--transition);
}

.search-container:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(229, 9, 20, 0.2);
}

.search-input {
    flex: 1;
    padding: 10px 20px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-btn {
    width: 50px;
    height: 40px;
    background: var(--bg-hover);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--accent-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 18px;
    border-radius: 50%;
    transition: var(--transition);
}

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

.user-btn {
    font-size: 28px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.user-btn:hover {
    color: var(--accent-primary);
}

/* ===== Sidebar ===== */
.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 900;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar.collapsed .nav-item span,
.sidebar.collapsed .nav-title,
.sidebar.collapsed .sidebar-ad {
    display: none;
}

.sidebar-nav {
    padding: 12px;
    flex: 1;
}

.nav-section {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.nav-section:last-child {
    border-bottom: none;
}

.nav-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--bg-hover);
    color: var(--accent-primary);
}

.nav-item i {
    width: 24px;
    font-size: 18px;
    text-align: center;
}

.sidebar-ad {
    padding: 12px;
    margin-top: auto;
}

.ad-placeholder {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-hover) 100%);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
}

.ad-placeholder i {
    font-size: 32px;
    margin-bottom: 8px;
    color: var(--accent-primary);
}

.ad-placeholder p {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.ad-placeholder small {
    font-size: 11px;
    line-height: 1.4;
}

/* ===== Main Content ===== */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
    transition: var(--transition);
}

.sidebar.collapsed ~ .main-content {
    margin-left: var(--sidebar-collapsed);
}

/* ===== Hero Section ===== */
.hero-section {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.hero-slider {
    display: flex;
    height: 100%;
    transition: transform 0.5s ease-in-out;
}

.hero-slide {
    min-width: 100%;
    height: 100%;
    position: relative;
}

.hero-backdrop {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
}

.hero-backdrop::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(15, 15, 15, 0.95) 0%, rgba(15, 15, 15, 0.6) 50%, transparent 100%),
                linear-gradient(to top, rgba(15, 15, 15, 1) 0%, transparent 30%);
}

.hero-content {
    position: absolute;
    bottom: 80px;
    left: 60px;
    max-width: 500px;
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: 14px;
}

.hero-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-rating {
    color: #ffc107;
}

.hero-description {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 24px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-buttons {
    display: flex;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--text-primary);
}

.btn-primary:hover {
    background: var(--accent-secondary);
    transform: scale(1.02);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

.hero-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.5);
    color: var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    z-index: 20;
    transition: var(--transition);
    opacity: 0;
}

.hero-section:hover .hero-nav {
    opacity: 1;
}

.hero-nav:hover {
    background: var(--accent-primary);
    transform: translateY(-50%) scale(1.1);
}

.hero-prev {
    left: 20px;
}

.hero-next {
    right: 20px;
}

.hero-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 20;
}

.hero-indicator {
    width: 40px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    cursor: pointer;
    transition: var(--transition);
}

.hero-indicator.active {
    background: var(--accent-primary);
    width: 60px;
}

/* ===== Ad Banners ===== */
.ad-banner {
    margin: 24px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.ad-content {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 2px dashed var(--border-color);
    padding: 20px 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--text-muted);
    text-align: center;
}

.ad-content i {
    font-size: 28px;
    color: var(--accent-primary);
}

.ad-content.large {
    padding: 30px;
}

.ad-content.wide {
    padding: 40px;
    flex-direction: column;
}

.ad-content p {
    font-size: 14px;
    font-weight: 600;
}

.ad-content small {
    font-size: 12px;
}

/* ===== Side Ads ===== */
.side-ad {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 50;
}

.left-ad {
    left: 10px;
}

.right-ad {
    right: 10px;
}

.ad-placeholder.vertical {
    width: 120px;
    padding: 30px 15px;
}

@media (max-width: 1600px) {
    .side-ad {
        display: none;
    }
}

/* ===== Content Sections ===== */
.content-section {
    padding: 24px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 16px;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
}

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

.see-all {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-primary);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.see-all:hover {
    color: var(--accent-secondary);
    gap: 12px;
}

.filter-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 16px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}

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

.filter-btn.active {
    background: var(--accent-primary);
    color: var(--text-primary);
}

/* ===== Movies Row ===== */
.movies-row {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 16px;
    scroll-snap-type: x mandatory;
}

.movies-row::-webkit-scrollbar {
    height: 6px;
}

/* ===== Movies Grid ===== */
.movies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
}

/* ===== Movie Card ===== */
.movie-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-secondary);
    transition: var(--transition);
    cursor: pointer;
    scroll-snap-align: start;
    flex-shrink: 0;
    width: 200px;
}

.movies-grid .movie-card {
    width: auto;
}

.movie-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.movie-poster {
    position: relative;
    aspect-ratio: 2/3;
    overflow: hidden;
}

.movie-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.movie-card:hover .movie-poster img {
    transform: scale(1.1);
}

.movie-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 16px;
}

.movie-card:hover .movie-overlay {
    opacity: 1;
}

.movie-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    width: 60px;
    height: 60px;
    background: var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-primary);
    opacity: 0;
    transition: var(--transition);
}

.movie-card:hover .movie-play-btn {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.movie-play-btn:hover {
    transform: translate(-50%, -50%) scale(1.1);
    background: var(--accent-secondary);
}

.movie-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 4px 10px;
    background: var(--accent-primary);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.movie-rating {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.movie-rating i {
    color: #ffc107;
}

.movie-info {
    padding: 12px;
}

.movie-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.movie-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.movie-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===== Modal ===== */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.5);
    color: var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    z-index: 10;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--accent-primary);
}

.modal-body {
    overflow-y: auto;
    max-height: 90vh;
}

.modal-backdrop {
    position: relative;
    height: 350px;
    background-size: cover;
    background-position: center;
}

.modal-backdrop::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg-secondary) 0%, transparent 100%);
}

.modal-poster {
    position: absolute;
    bottom: -60px;
    left: 30px;
    width: 160px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.modal-poster img {
    width: 100%;
    display: block;
}

.modal-details {
    padding: 80px 30px 30px;
}

.modal-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 16px;
}

.modal-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.modal-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.modal-genres {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.genre-tag {
    padding: 6px 14px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-secondary);
}

.modal-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.modal-cast {
    margin-bottom: 24px;
}

.modal-cast h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.modal-cast p {
    color: var(--text-secondary);
}

.modal-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Video Player Placeholder */
.video-player-placeholder {
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 60px;
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.video-player-placeholder i {
    font-size: 64px;
    margin-bottom: 16px;
    color: var(--accent-primary);
}

.video-player-placeholder p {
    font-size: 16px;
    font-weight: 600;
}

.video-player-placeholder small {
    display: block;
    margin-top: 8px;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    padding: 40px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--accent-primary);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-section p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 13px;
}

.footer-bottom .disclaimer {
    margin-top: 8px;
    font-size: 11px;
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 38px;
    }
    
    .hero-content {
        max-width: 400px;
        left: 40px;
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .hero-section {
        height: 400px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-content {
        left: 24px;
        bottom: 60px;
    }
}

@media (max-width: 768px) {
    .header-center {
        display: none;
    }
    
    .hero-section {
        height: 350px;
    }
    
    .hero-title {
        font-size: 26px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .section-title {
        font-size: 18px;
    }
    
    .movies-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 12px;
    }
    
    .movie-card {
        width: 160px;
    }
    
    .modal {
        padding: 16px;
    }
    
    .modal-backdrop {
        height: 200px;
    }
    
    .modal-poster {
        width: 100px;
        bottom: -40px;
        left: 16px;
    }
    
    .modal-details {
        padding: 60px 16px 16px;
    }
    
    .modal-title {
        font-size: 24px;
    }
    
    .content-section {
        padding: 16px;
    }
    
    .ad-banner {
        margin: 16px;
    }
}

@media (max-width: 480px) {
    .hero-section {
        height: 300px;
    }
    
    .hero-content {
        left: 16px;
        right: 16px;
        bottom: 50px;
        max-width: none;
    }
    
    .hero-title {
        font-size: 22px;
    }
    
    .hero-meta {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .hero-description {
        -webkit-line-clamp: 2;
        font-size: 13px;
    }
    
    .movies-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 24px 16px;
    }
}

/* ===== Loading State ===== */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

.slide-up {
    animation: slideUp 0.5s ease-out;
}