/* ============================================
   CINEMA.SURF — Premium Cinematic Design
   Deep dark tones, oceanic blues, warm accents
   ============================================ */

:root {
    --bg-deep: #030508;
    --bg-surface: #0B101A;
    --bg-card: #111827;
    --bg-card-hover: #1a2332;
    --text-main: #E2E8F0;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --accent-ocean: #0284C7;
    --accent-ocean-light: #38BDF8;
    --accent-warm: #D97706;
    --accent-warm-light: #F59E0B;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.5);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.7);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --header-height: 64px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-deep);
    color: var(--text-main);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ==================== HEADER ==================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: linear-gradient(to bottom, rgba(3,5,8,0.95), rgba(3,5,8,0.7));
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4rem;
    z-index: 1000;
    transition: background var(--transition);
}

.header.scrolled {
    background: rgba(3,5,8,0.98);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--accent-ocean-light), var(--accent-ocean));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    cursor: pointer;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-main);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-ocean);
    border-radius: 1px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.search-box {
    position: relative;
}

.search-input {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    color: var(--text-main);
    font-size: 0.9rem;
    width: 200px;
    transition: all var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-ocean);
    width: 280px;
    background: rgba(255,255,255,0.08);
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-ocean), var(--accent-warm));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
}

/* ==================== HERO SECTION ==================== */

.hero {
    position: relative;
    height: 85vh;
    min-height: 500px;
    display: flex;
    align-items: flex-end;
    padding: 4rem;
    overflow: hidden;
}

.hero-backdrop {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: brightness(0.5) contrast(1.1);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(to top, var(--bg-deep) 0%, transparent 50%),
        linear-gradient(to right, rgba(3,5,8,0.9) 0%, transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.hero-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.hero-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--text-main);
    color: var(--bg-deep);
}

.btn-primary:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: var(--text-main);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.15);
}

.btn-icon {
    padding: 0.85rem;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.1);
    color: var(--text-main);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-icon:hover {
    background: rgba(255,255,255,0.15);
}

/* ==================== CONTENT ROWS ==================== */

.content {
    position: relative;
    z-index: 10;
    margin-top: -80px;
    padding-bottom: 4rem;
}

.row {
    margin-bottom: 3rem;
}

.row-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 4rem;
    margin-bottom: 1rem;
}

.row-title {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.row-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color var(--transition);
}

.row-link:hover {
    color: var(--text-main);
}

.carousel {
    display: flex;
    gap: 1.25rem;
    padding: 0.5rem 4rem 1rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.carousel::-webkit-scrollbar {
    display: none;
}

/* ==================== CARDS ==================== */

.card {
    flex: 0 0 180px;
    aspect-ratio: 2/3;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    transition: all var(--transition);
    cursor: pointer;
}

.card:hover {
    transform: scale(1.04) translateY(-4px);
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

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

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 40%);
    opacity: 0;
    transition: opacity var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1rem;
}

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

.card-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.card-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.card-badge {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    background: var(--accent-ocean);
    color: white;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
}

/* Wide card (для Continue Watching) */
.card-wide {
    flex: 0 0 320px;
    aspect-ratio: 16/9;
}

.card-wide .card-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: rgba(255,255,255,0.2);
}

.card-wide .card-progress-fill {
    height: 100%;
    background: var(--accent-ocean);
    transition: width var(--transition);
}

/* ==================== MOVIE DETAIL ==================== */

.movie-detail {
    position: relative;
    padding-top: var(--header-height);
}

.movie-backdrop {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center top;
    filter: brightness(0.3);
}

.movie-content {
    position: relative;
    z-index: 10;
    display: flex;
    gap: 3rem;
    padding: 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.movie-poster {
    flex: 0 0 300px;
    aspect-ratio: 2/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.movie-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding-bottom: 2rem;
}

.movie-title {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.movie-original-title {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.movie-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.movie-meta-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.movie-genres {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.genre-tag {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: all var(--transition);
    cursor: pointer;
}

.genre-tag:hover {
    background: rgba(255,255,255,0.12);
    color: var(--text-main);
}

.movie-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    max-width: 700px;
}

.movie-actions {
    display: flex;
    gap: 1rem;
}

/* ==================== SERIES EPISODES ==================== */

.seasons-selector {
    display: flex;
    gap: 0.5rem;
    padding: 0 4rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    scrollbar-width: none;
}

.season-tab {
    padding: 0.5rem 1.25rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.season-tab:hover {
    background: rgba(255,255,255,0.08);
}

.season-tab.active {
    background: var(--accent-ocean);
    border-color: var(--accent-ocean);
    color: white;
}

.episodes-list {
    padding: 0 4rem;
}

.episode-item {
    display: flex;
    gap: 1.5rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    transition: background var(--transition);
    cursor: pointer;
}

.episode-item:hover {
    background: rgba(255,255,255,0.03);
}

.episode-thumb {
    flex: 0 0 200px;
    aspect-ratio: 16/9;
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

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

.episode-play-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.4);
    opacity: 0;
    transition: opacity var(--transition);
}

.episode-item:hover .episode-play-icon {
    opacity: 1;
}

.episode-info {
    flex: 1;
}

.episode-number {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.episode-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

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

/* ==================== PLAYER ==================== */

.player-container {
    position: fixed;
    inset: 0;
    background: black;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.player-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.player-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 3rem 1.5rem;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.player-container:hover .player-controls,
.player-controls.visible {
    opacity: 1;
}

.player-progress {
    position: relative;
    height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    margin-bottom: 1rem;
    cursor: pointer;
}

.player-progress-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: var(--accent-ocean);
    border-radius: 2px;
    transition: width 0.1s linear;
}

.player-progress-handle {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    opacity: 0;
    transition: opacity var(--transition);
}

.player-progress:hover .player-progress-handle {
    opacity: 1;
}

.player-buttons {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.player-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    transition: transform var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.player-btn:hover {
    transform: scale(1.1);
}

.player-btn.play-pause {
    font-size: 1.5rem;
}

.player-time {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-variant-numeric: tabular-nums;
}

.player-spacer {
    flex: 1;
}

.player-volume {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.player-volume-slider {
    width: 80px;
    height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    cursor: pointer;
}

.player-volume-fill {
    height: 100%;
    background: white;
    border-radius: 2px;
}

/* ==================== SEARCH RESULTS ==================== */

.search-results {
    padding: 6rem 4rem 2rem;
}

.search-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
}

/* ==================== EMPTY STATES ==================== */

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

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

/* ==================== LOADING ==================== */

.skeleton {
    background: linear-gradient(90deg, 
        var(--bg-card) 25%, 
        var(--bg-card-hover) 50%, 
        var(--bg-card) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

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

.skeleton-card {
    aspect-ratio: 2/3;
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 1200px) {
    .header { padding: 0 2rem; }
    .row-header, .carousel { padding-left: 2rem; padding-right: 2rem; }
    .movie-content { padding: 3rem 2rem; }
    .hero { padding: 3rem 2rem; }
}

@media (max-width: 768px) {
    .header { padding: 0 1rem; }
    .nav-links { display: none; }
    .hero-title { font-size: 2.5rem; }
    .movie-content { flex-direction: column; }
    .movie-poster { flex: 0 0 auto; width: 200px; margin: 0 auto; }
    .movie-title { font-size: 2rem; }
    .card { flex: 0 0 140px; }
    .card-wide { flex: 0 0 280px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2rem; }
    .hero-description { font-size: 0.9rem; }
    .card { flex: 0 0 120px; }
}

/* ==================== TV / LARGE SCREENS ==================== */

@media (min-width: 2560px) {
    html { font-size: 18px; }
}

@media (min-width: 3840px) {
    html { font-size: 24px; }
}