/* MovieIGuess — Modern Cinematic Design System 2026
   Built on CSS layers, variables, container queries, oklch, view transitions */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

@layer reset, tokens, base, components, utilities;

@layer tokens {
  :root {
    color-scheme: dark;
    --bg: #070708;
    --bg-elevated: #0f0f12;
    --surface: rgba(22,22,26,0.72);
    --surface-strong: rgba(28,28,32,0.86);
    --line: rgba(255,255,255,0.08);
    --line-strong: rgba(255,255,255,0.14);
    --text: #f6f6f8;
    --muted: #a1a1b0;
    --muted-2: #7a7a88;
    --accent: #ff0a16;
    --accent-2: #ff3d2e;
    --accent-3: #ff6b35;
    --accent-glow: 255 10 22;
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-soft: 0 10px 30px rgba(0,0,0,0.45), 0 1px 0 rgba(255,255,255,0.04) inset;
    --shadow-card: 0 16px 40px rgba(0,0,0,0.55), 0 2px 12px rgba(0,0,0,0.35);
    --shadow-glow: 0 8px 32px rgba(var(--accent-glow) / 0.28);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --header-h: 68px;
    --container: min(1440px, 92vw);
    --content: min(1280px, 92vw);
  }
  @media (prefers-color-scheme: light) {
    :root { color-scheme: dark; }
  }
  @property --angle {
    syntax: "<angle>";
    inherits: false;
    initial-value: 0deg;
  }
}

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  * { font-family: 'Inter', 'Instrument Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
  html { scrollbar-gutter: stable; scroll-behavior: smooth; }
  body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.55; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
  img, video { display: block; max-width: 100%; }
  a { color: inherit; text-decoration: none; }
  button, input, select, textarea { font: inherit; }
  :focus-visible { outline: 2px solid color-mix(in oklch, var(--accent) 90%, white); outline-offset: 2px; border-radius: 6px; }
  ::selection { background: color-mix(in oklch, var(--accent) 70%, transparent); }
}

@layer base {
  body::before {
    content:"";
    position: fixed; inset: 0;
    background:
      radial-gradient(900px 500px at 20% -10%, rgba(var(--accent-glow)/0.16), transparent 60%),
      radial-gradient(800px 600px at 95% 0%, rgba(120,80,255/0.12), transparent 60%),
      linear-gradient(180deg, rgba(255,255,255,0.02), transparent 30%);
    pointer-events: none; z-index: -2;
  }
  body::after {
    content:"";
    position: fixed; inset: 0;
    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)' opacity='0.04'/%3E%3C/svg%3E");
    opacity: 0.35; pointer-events: none; z-index: -1; mix-blend-mode: soft-light;
  }
  /* Modern scrollbars */
  * { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.22) transparent; }
  *::-webkit-scrollbar { width: 8px; height: 8px; }
  *::-webkit-scrollbar-track { background: transparent; }
  *::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(255,255,255,0.22), rgba(255,255,255,0.12));
    border-radius: 999px; border: 1px solid rgba(255,255,255,0.06);
  }
  *::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, rgba(255,255,255,0.34), rgba(255,255,255,0.18)); }
  html { scrollbar-color: rgba(255,255,255,0.22) transparent; }
}

@layer components {
  /* Header — glass + subtle border + blur, scrolled state */
  .navbar-glass {
    position: sticky; top: 0; z-index: 40;
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
    background: linear-gradient(180deg, rgba(18,18,20,0.68), rgba(10,10,12,0.42));
    border-bottom: 1px solid var(--line);
    box-shadow: 0 8px 32px rgba(0,0,0,0.28);
    transition: background 0.3s var(--ease-out), border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  }
  .navbar-glass.scrolled {
    background: linear-gradient(180deg, rgba(12,12,14,0.88), rgba(8,8,10,0.64));
    border-color: var(--line-strong);
    box-shadow: 0 12px 40px rgba(0,0,0,0.38), 0 0 0 1px rgba(255,255,255,0.06) inset;
  }
  .navbar-glass::before { display: none; }

  /* Search — pill, glass, glow on focus */
  .search-input {
    --h: 42px;
    height: var(--h);
    background: color-mix(in oklch, var(--surface) 92%, transparent) !important;
    backdrop-filter: blur(14px);
    border: 1px solid var(--line) !important;
    border-radius: 999px !important;
    box-shadow: 0 4px 16px rgba(0,0,0,0.18) !important;
    padding-inline: 16px 42px !important;
    color: var(--text) !important;
    transition: border-color .22s var(--ease-out), box-shadow .22s var(--ease-out), background .22s var(--ease-out);
  }
  .search-input::placeholder { color: var(--muted); }
  .search-input:hover { border-color: var(--line-strong) !important; }
  .search-input:focus {
    background: var(--surface-strong) !important;
    border-color: color-mix(in oklch, var(--accent) 55%, var(--line)) !important;
    box-shadow: 0 0 0 4px rgba(var(--accent-glow)/0.16), 0 8px 24px rgba(0,0,0,0.28) !important;
  }

  /* Hero */
  .backdrop-container { position: relative; isolation: isolate; overflow: hidden; border-radius: 0 0 var(--radius-xl) var(--radius-xl); }
  .backdrop-slider {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    filter: saturate(1.08) contrast(1.04);
    transition: opacity 0.9s var(--ease-smooth), transform 7s var(--ease-out);
  }
  .backdrop-container::after {
    content:""; position: absolute; inset: 0;
    background:
      linear-gradient(180deg, rgba(0,0,0,0.18) 0%, rgba(0,0,0,0.06) 28%, rgba(0,0,0,0.55) 72%, rgba(7,7,8,1) 100%),
      linear-gradient(90deg, rgba(7,7,8,0.72) 0%, rgba(7,7,8,0.18) 46%, transparent 78%);
    z-index: 1;
  }
  #hero-content { position: relative; z-index: 2; }
  #hero-title {
    font-family: 'Space Grotesk', 'Instrument Sans', sans-serif;
    font-weight: 700; letter-spacing: -0.03em;
    line-height: 0.98; font-size: clamp(28px, 5vw, 56px);
    text-wrap: balance;
    text-shadow: 0 2px 18px rgba(0,0,0,0.45);
  }
  #hero-overview {
    color: color-mix(in oklch, white 86%, var(--muted));
    font-size: clamp(14px, 1.6vw, 18px); line-height: 1.55;
    max-width: 52ch; text-wrap: pretty;
  }

  /* Buttons — modern */
  .netflix-button {
    --btn-bg: white; --btn-fg: #0a0a0a;
    position: relative; isolation: isolate;
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 18px; border-radius: 999px; font-weight: 650; letter-spacing: 0.01em;
    border: 1px solid transparent; cursor: pointer;
    background: var(--btn-bg); color: var(--btn-fg);
    box-shadow: 0 6px 18px rgba(0,0,0,0.22);
    transition: transform .18s var(--ease-spring), box-shadow .22s var(--ease-out), background .22s, color .22s, border-color .22s;
  }
  .netflix-button:hover { transform: translateY(-1px) scale(1.01); box-shadow: 0 10px 26px rgba(0,0,0,0.3); }
  .netflix-button:active { transform: translateY(0) scale(0.99); }
  .netflix-button.bg-gray-600\/70 { --btn-bg: color-mix(in oklch, var(--surface-strong) 92%, transparent); --btn-fg: white; border-color: var(--line); backdrop-filter: blur(10px); }
  .netflix-button.bg-gray-600\/70:hover { border-color: var(--line-strong); background: color-mix(in oklch, var(--surface-strong) 96%, white 4%); }
  .netflix-button.bg-netflix-red { --btn-bg: linear-gradient(180deg, color-mix(in oklch, var(--accent) 92%, white 8%), var(--accent)); --btn-fg: white; box-shadow: var(--shadow-glow); }
  .netflix-button.bg-netflix-red:hover { filter: brightness(1.06); }

  /* Card system — unified modern */
  .movie-card, .series-card, .anime-card {
    position: relative; flex: 0 0 auto;
    width: clamp(158px, 18vw, 208px);
    border-radius: 18px; overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-soft);
    transition: transform .28s var(--ease-spring), box-shadow .28s var(--ease-out), border-color .22s;
    container-type: inline-size;
  }
  .movie-card:hover, .series-card:hover, .anime-card:hover {
    transform: translateY(-4px) scale(1.015);
    border-color: color-mix(in oklch, var(--accent) 28%, var(--line));
    box-shadow: var(--shadow-card), 0 0 0 1px rgba(var(--accent-glow)/0.12) inset;
  }
  .movie-card .relative, .series-card .relative, .anime-card .relative { border-radius: 18px; overflow: hidden; }
  .movie-poster, .series-poster, .anime-poster {
    aspect-ratio: 2 / 3; width: 100%;
    background-size: cover; background-position: center;
    transform: scale(1); transition: transform .45s var(--ease-smooth), filter .3s;
  }
  :is(.movie-card,.series-card,.anime-card):hover .movie-poster,
  :is(.movie-card,.series-card,.anime-card):hover .series-poster,
  :is(.movie-card,.series-card,.anime-card):hover .anime-poster { transform: scale(1.06); filter: saturate(1.08); }
  /* Hover overlay — gradient + info */
  :is(.movie-card,.series-card,.anime-card) .absolute.inset-0 {
    background: linear-gradient(180deg, transparent 28%, rgba(0,0,0,0.18) 46%, rgba(0,0,0,0.88) 100%);
    backdrop-filter: blur(0px);
    transition: opacity .22s;
  }
  :is(.movie-card,.series-card,.anime-card):hover .absolute.inset-0 { opacity: 1; }

  /* Containers — snap + hide scrollbar, smooth */
  .movie-container, .series-container, .anime-container {
    display: flex; gap: 14px; overflow-x: auto; overflow-y: hidden;
    padding: 6px 2px 14px; margin-inline: -2px;
    scroll-snap-type: x proximity; scroll-padding-inline: 12px;
    overscroll-behavior-x: contain;
  }
  .movie-container::-webkit-scrollbar, .series-container::-webkit-scrollbar, .anime-container::-webkit-scrollbar { display: none; }
  .movie-card, .series-card, .anime-card { scroll-snap-align: start; }

  /* Shimmer — modern oklch */
  .shimmer {
    background: linear-gradient(100deg, #1e1e22 20%, #2a2a30 28%, #1e1e22 36%);
    background-size: 1400px 100%;
    animation: shimmer 1.8s infinite linear;
    border-radius: 14px;
  }
  @keyframes shimmer { 0%{background-position:-700px 0} 100%{background-position:700px 0} }

  /* Modal — glass, spring */
  .modal-content {
    background: linear-gradient(180deg, rgba(26,26,30,0.88), rgba(12,12,14,0.92));
    backdrop-filter: blur(20px) saturate(1.2);
    border: 1px solid rgba(255,255,255,0.10);
    box-shadow: 0 24px 64px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.06) inset;
    border-radius: 22px; overflow: hidden;
    transform: translateY(8px) scale(0.98); opacity: 0;
    transition: transform .4s var(--ease-spring), opacity .28s var(--ease-out);
  }
  .modal-content.show { transform: none; opacity: 1; }
  .glass-close-btn {
    background: rgba(255,255,255,0.08) !important; backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.14) !important;
    border-radius: 999px !important; transition: background .2s, transform .2s;
  }
  .glass-close-btn:hover { background: rgba(255,255,255,0.14) !important; transform: scale(1.04); }

  /* Scroll wrapper */
  .scroll-wrapper { position: relative; }
  .scroll-wrapper::after {
    content:""; position: absolute; top: 0; right: 0; bottom: 14px; width: 48px;
    background: linear-gradient(90deg, transparent, rgba(7,7,8,0.72)); pointer-events: none; opacity: 0.9;
  }
  @media (max-width: 768px) { .scroll-wrapper::after { display: none; } }

  /* Utilities */
  .line-clamp-2 { display:-webkit-box; -webkit-line-clamp:2; line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
  .text-netflix-red { color: var(--accent) !important; }
  .bg-netflix-red { background: var(--accent) !important; }
  .bg-netflix-black { background: var(--bg) !important; }
  .bg-netflix-dark { background: var(--bg-elevated) !important; }
}

@layer utilities {
  /* Focus, reduced motion */
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  }
  /* View transitions */
  @supports (view-transition-name: root) {
    ::view-transition-group(root) { animation-duration: 0.32s; }
  }
  /* Container query example for cards */
  @container (max-width: 180px) {
    .movie-card .movie-title, .series-card .series-title { font-size: 13px; }
  }
}