/* ========================================
   Movie Shuffle - Cinematic Noir Theme
   ======================================== */

:root {
    --bg-primary:    #0a0a0b;
    --bg-secondary:  #141416;
    --bg-tertiary:   #1e1e22;
    --accent-primary: #d4a853;
    --text-primary:  #f5f5f0;
    --text-secondary: #9a9a9a;
    --text-accent:   #d4a853;

    --font-display: 'Playfair Display', Georgia, serif;
    --font-body:    'DM Sans', -apple-system, sans-serif;

    --space-xs:  4px;
    --space-sm:  8px;
    --space-md:  16px;
    --space-lg:  24px;
    --space-xl:  48px;
    --space-2xl: 80px;

    --radius-sm:   4px;
    --radius-md:   8px;
    --radius-lg:   16px;
    --radius-full: 9999px;

    --transition-fast: 0.15s ease-out;
    --transition-base: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

/* ── Reset & Base ─────────────────────────────────────────────────────────── */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Film Grain & Vignette ────────────────────────────────────────────────── */

.grain-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9998;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.vignette {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9997;
    background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.4) 100%);
}

/* ── Typography ───────────────────────────────────────────────────────────── */

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

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

a:hover { color: var(--text-primary); }

/* ── Header ───────────────────────────────────────────────────────────────── */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-md) var(--space-lg);
    background: rgba(10, 10, 11, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(212, 168, 83, 0.1);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.25rem;
    letter-spacing: 0.2em;
    color: var(--text-accent);
}

/* ── Main & Hero ──────────────────────────────────────────────────────────── */

.main { padding-top: 80px; }

.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px var(--space-lg) var(--space-2xl);
    text-align: center;
    position: relative;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(139, 38, 53, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(212, 168, 83, 0.08) 0%, transparent 40%),
        var(--bg-primary);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, transparent 0%, rgba(10, 10, 11, 0.9) 100%),
        linear-gradient(90deg, transparent 0%, rgba(212, 168, 83, 0.02) 50%, transparent 100%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--space-md);
    color: var(--text-primary);
    text-shadow: 0 4px 40px rgba(212, 168, 83, 0.2);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::before { opacity: 1; }
.btn:active { transform: scale(0.97); }

.btn-primary {
    background: var(--accent-primary);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px rgba(212, 168, 83, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(212, 168, 83, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(212, 168, 83, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(212, 168, 83, 0.2);
}

.btn-icon { font-size: 1.2rem; }
.btn-text { position: relative; z-index: 1; }

/* ── Trending ────────────────────────────────────────────────────────────── */

.trending {
    padding: var(--space-xl) var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.trending-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.movies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-lg);
}

.movie-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-base);
}

.movie-card:hover {
    transform: translateY(-4px);
}

.movie-poster-container {
    position: relative;
    aspect-ratio: 2 / 3;
    background: var(--bg-tertiary);
    line-height: 0;
}

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

.movie-poster-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-secondary);
}

.movie-rating {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    background: rgba(10, 10, 11, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-accent);
    display: inline-block;
    line-height: 1.4;
}

.movie-info {
    padding: var(--space-md);
}

.movie-title {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── Footer ───────────────────────────────────────────────────────────────── */

.footer {
    padding: var(--space-lg);
    text-align: center;
    border-top: 1px solid var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ── Modal ────────────────────────────────────────────────────────────────── */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 11, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 200;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: var(--space-lg);
    padding-top: 100px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    overflow-y: auto;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Lock page scroll while modal is open */
body.modal-open {
    overflow: hidden;
}

.modal {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    max-width: 900px;
    width: 100%;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(212, 168, 83, 0.2);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.4s ease-out;
    margin-bottom: var(--space-lg);
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(10, 10, 11, 0.8);
    color: var(--text-primary);
    font-size: 1.3rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

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

.modal-content {
    display: grid;
    grid-template-columns: minmax(320px, 40%) 1fr;
    align-items: start;
}

.modal-poster-container {
    background: var(--bg-tertiary);
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.modal-details-wrapper {
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-primary) var(--bg-tertiary);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.modal-details-wrapper::-webkit-scrollbar       { width: 6px; }
.modal-details-wrapper::-webkit-scrollbar-track { background: var(--bg-tertiary); }
.modal-details-wrapper::-webkit-scrollbar-thumb { background: var(--accent-primary); border-radius: 3px; }

.modal-poster {
    display: block;
    width: 100%;
    aspect-ratio: 2 / 3;
    object-fit: cover;
}

.movie-poster-placeholder {
    width: 100%;
    aspect-ratio: 2 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    color: var(--text-secondary);
}

.modal-poster-rating {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    background: rgba(10, 10, 11, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-accent);
}

.modal-details { padding: var(--space-xl); }

.modal-title {
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.modal-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.modal-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.modal-section { margin-bottom: var(--space-lg); }

.modal-section-title {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.modal-overview {
    color: var(--text-secondary);
    line-height: 1.7;
}

.modal-genres {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.modal-genre {
    background: var(--bg-tertiary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.modal-cast {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--text-secondary);
}

.modal-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.modal-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.modal-link:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.modal-provider {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ── Animations ───────────────────────────────────────────────────────────── */

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

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

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Accessibility ────────────────────────────────────────────────────────── */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .modal-content {
        grid-template-columns: 1fr;
        height: auto;
    }

    /* Poster: round top corners only, square bottom (details follow below) */
    .modal-poster-container {
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    /* Details: square top corners, round bottom; let content flow naturally */
    .modal-details-wrapper {
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        overflow-y: visible;
        height: auto;
    }

    /* Restore modal scroll on overlay level for mobile */
    .modal {
        max-height: none;
        overflow: visible;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: var(--space-xl) var(--space-md);
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .modal-details { padding: var(--space-lg); }
}