/* ============================================================
   IDBM — Design System v1.0
   Dark Mode Cinematográfico Premium | BEM + Variables CSS
   Grid / Flexbox | Mobile-first | WCAG AA
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --color-bg: #08080a;
  --color-bg-soft: #0f0f12;
  --color-surface: #141418;
  --color-surface-2: #1c1c22;
  --color-surface-3: #23232b;
  --color-border: #262631;
  --color-border-strong: #2e2e3a;
  --color-text: #fafafa;
  --color-text-soft: #d4d4d8;
  --color-text-muted: #9f9fa9;
  --color-text-faint: #71717a;
  --color-accent: #f5c518;          /* IMDb gold */
  --color-accent-strong: #ffd60a;
  --color-accent-ink: #0a0a0a;
  --color-danger: #ef4444;
  --color-success: #22c55e;
  --color-info: #38bdf8;

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  --shadow-soft: 0 8px 32px rgba(0,0,0,.45);
  --shadow-card: 0 10px 30px rgba(0,0,0,.55), 0 1px 0 rgba(255,255,255,.06) inset;
  --shadow-glow: 0 0 0 1px rgba(245,197,24,.18), 0 8px 24px rgba(245,197,24,.12);

  --font-sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-display: 'Space Grotesk', var(--font-sans);

  --header-h: 64px;
  --content-max: 1280px;
  --content-pad: 24px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth; scrollbar-color:#2a2a35 #0a0a0c}
body{
  margin:0; font-family:var(--font-sans); background:var(--color-bg); color:var(--color-text);
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  line-height:1.5;
}
img{display:block; max-width:100%}
a{color:inherit; text-decoration:none}
button{font:inherit}

/* ---------- Header ---------- */
.header{
  position:sticky; top:0; z-index:50;
  background:rgba(8,8,10,.78); backdrop-filter: blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header__inner{
  max-width:var(--content-max); margin:0 auto; padding:0 var(--content-pad);
  height:var(--header-h); display:flex; align-items:center; gap:18px;
}
.header__logo{display:flex; flex-direction:column; line-height:1; gap:2px; flex-shrink:0}
.logo{
  font-family:var(--font-display); font-weight:800; letter-spacing:-.04em; font-size:26px;
  background:var(--color-accent); color:var(--color-accent-ink); padding:4px 8px; border-radius:6px; display:inline-flex; align-items:center;
}
.logo__mark{font-weight:900}
.logo__rest{opacity:.95}
.logo__tagline{font-size:10px; letter-spacing:.16em; font-weight:600; color:var(--color-text-muted); margin-left:2px}
.logo--footer{background:transparent; color:var(--color-text); padding:0; font-size:22px}

.header__nav{display:flex; gap:6px; margin-left:8px}
.nav__link{
  padding:8px 14px; border-radius:var(--radius-pill); font-size:14px; font-weight:600; color:var(--color-text-muted);
  transition:all .2s; border:1px solid transparent;
}
.nav__link:hover{color:var(--color-text); background:rgba(255,255,255,.06); border-color:rgba(255,255,255,.08)}
.nav__link--active{background:var(--color-accent); color:var(--color-accent-ink); border-color:var(--color-accent)}
.nav__link--active:hover{background:var(--color-accent-strong); color:var(--color-accent-ink)}
.nav__link--ghost{border-color:rgba(255,255,255,.12)}

.header__search{margin-left:auto; display:flex; align-items:center; gap:0; min-width:260px; max-width:380px; flex:1}
.search{position:relative}
.search__input{
  width:100%; background:var(--color-surface); border:1px solid var(--color-border); color:var(--color-text);
  padding:10px 42px 10px 14px; border-radius:var(--radius-pill); font-size:14px; outline:none; transition:.2s;
}
.search__input::placeholder{color:var(--color-text-faint)}
.search__input:focus{border-color:rgba(245,197,24,.45); box-shadow:0 0 0 3px rgba(245,197,24,.12); background:var(--color-surface-2)}
.search__btn{
  position:absolute; right:4px; top:50%; transform:translateY(-50%);
  width:34px; height:34px; border-radius:50%; border:0; background:var(--color-accent); color:#000;
  display:grid; place-items:center; cursor:pointer; transition:.2s;
}
.search__btn:hover{background:var(--color-accent-strong); transform:translateY(-50%) scale(1.04)}
.header__menu{display:none; flex-direction:column; gap:4px; background:transparent; border:0; cursor:pointer; padding:8px}
.header__menu span{width:22px; height:2px; background:var(--color-text); border-radius:99px; display:block}

/* ---------- Hero ---------- */
.hero{
  position:relative; min-height:520px; display:flex; align-items:end; overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.hero__bg{
  position:absolute; inset:0;
  background:
    linear-gradient(15deg, rgba(245,197,24,.14), transparent 40%),
    radial-gradient(900px 500px at 70% 20%, rgba(120,90,255,.18), transparent 60%),
    url('https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
  filter:saturate(1.05) contrast(1.05);
}
.hero__overlay{
  position:absolute; inset:0;
  background: linear-gradient(to top, var(--color-bg) 8%, rgba(8,8,10,.55) 55%, rgba(8,8,10,.15) 100%),
              linear-gradient(to right, rgba(8,8,10,.75), transparent 65%);
}
.hero__content{
  position:relative; max-width:var(--content-max); margin:0 auto; padding:48px var(--content-pad) 40px; width:100%;
}
.hero__eyebrow{
  display:inline-flex; align-items:center; gap:8px; font-size:12px; font-weight:700; letter-spacing:.14em; text-transform:uppercase;
  color:var(--color-accent); background:rgba(245,197,24,.12); border:1px solid rgba(245,197,24,.22); padding:6px 10px; border-radius:var(--radius-pill);
}
.hero__title{font-family:var(--font-display); font-size: clamp(34px, 6vw, 58px); line-height:.95; letter-spacing:-.04em; margin:14px 0 12px; font-weight:800}
.text-accent{color:var(--color-accent)}
.hero__subtitle{max-width:620px; color:var(--color-text-soft); font-size:16px; line-height:1.6; margin:0 0 22px}
.hero__actions{display:flex; gap:12px; flex-wrap:wrap; margin-bottom:28px}
.hero__stats{display:flex; gap:18px; flex-wrap:wrap; border-top:1px solid rgba(255,255,255,.08); padding-top:18px; max-width:620px}
.stat{display:flex; flex-direction:column; gap:2px}
.stat__value{font-weight:800; font-size:18px; letter-spacing:-.02em}
.stat__label{font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:var(--color-text-muted); font-weight:600}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:11px 18px; border-radius:var(--radius-pill); font-weight:700; font-size:14px; cursor:pointer; border:1px solid transparent; transition:.2s; white-space:nowrap;
}
.btn--primary{background:var(--color-accent); color:var(--color-accent-ink); border-color:var(--color-accent)}
.btn--primary:hover{background:var(--color-accent-strong); transform:translateY(-1px); box-shadow:var(--shadow-glow)}
.btn--secondary{background:rgba(255,255,255,.08); color:var(--color-text); border-color:rgba(255,255,255,.12); backdrop-filter:blur(8px)}
.btn--secondary:hover{background:rgba(255,255,255,.14); border-color:rgba(255,255,255,.18); transform:translateY(-1px)}
.btn--ghost{background:transparent; color:var(--color-text-muted); border-color:var(--color-border)}
.btn--ghost:hover{color:var(--color-text); border-color:var(--color-border-strong); background:var(--color-surface)}
.btn--sm{padding:8px 12px; font-size:13px}
.btn:disabled{opacity:.55; cursor:not-allowed; transform:none !important}

/* ---------- Main & Sections ---------- */
.main{max-width:var(--content-max); margin:0 auto; padding:28px var(--content-pad) 48px}
.section{margin-top:36px}
.section--featured{
  background:linear-gradient(180deg, rgba(255,255,255,.02), transparent), var(--color-surface);
  border:1px solid var(--color-border); border-radius:var(--radius-xl); padding:20px; box-shadow:var(--shadow-soft);
}
.section__header{display:flex; align-items:flex-start; justify-content:space-between; gap:16px; margin-bottom:18px; flex-wrap:wrap}
.section__title{font-family:var(--font-display); font-size:22px; letter-spacing:-.03em; margin:0; display:flex; align-items:center; gap:10px; font-weight:800}
.section__icon{width:36px; height:36px; display:grid; place-items:center; background:var(--color-accent); color:#000; border-radius:10px; font-size:18px; flex-shrink:0}
.section__subtitle{margin:6px 0 0; color:var(--color-text-muted); font-size:13px; line-height:1.5; max-width:680px}
.section__filters{display:flex; gap:10px; align-items:center}
.select{
  background:var(--color-surface-2); border:1px solid var(--color-border); color:var(--color-text); padding:9px 12px; border-radius:var(--radius-pill); font-size:13px; font-weight:600; outline:none;
}
.select:focus{border-color:rgba(245,197,24,.4)}

/* ---------- Grids ---------- */
.catalog-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap:16px;
}
.top-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap:14px;
}

@media (max-width: 1100px){
  .catalog-grid{grid-template-columns: repeat(3, 1fr)}
  .top-grid{grid-template-columns: repeat(3, 1fr)}
}
@media (max-width: 760px){
  .header__nav, .header__search{display:none}
  .header__menu{display:flex}
  .catalog-grid{grid-template-columns: repeat(2, 1fr); gap:12px}
  .top-grid{grid-template-columns:1fr; gap:12px}
  .hero{min-height:460px}
  :root{--content-pad:16px}
}
@media (max-width: 380px){
  .catalog-grid{grid-template-columns:1fr}
}

/* ---------- Card ---------- */
.card{
  position:relative; background:var(--color-surface); border:1px solid var(--color-border); border-radius:var(--radius-lg); overflow:hidden;
  display:flex; flex-direction:column; transition:.25s; cursor:pointer;
}
.card:hover{transform:translateY(-4px); border-color:var(--color-border-strong); box-shadow:var(--shadow-card)}
.card__media{position:relative; aspect-ratio: 2/3; overflow:hidden; background:#0a0a0a}
.card__media img{width:100%; height:100%; object-fit:cover; transition:transform .35s, filter .3s}
.card:hover .card__media img{transform:scale(1.06)}
.card__badge{
  position:absolute; top:10px; left:10px; display:flex; align-items:center; gap:5px;
  background:rgba(0,0,0,.72); backdrop-filter:blur(8px); color:#fff; padding:5px 8px; border-radius:var(--radius-pill); font-size:12px; font-weight:700; border:1px solid rgba(255,255,255,.12);
}
.card__badge--accent{background:var(--color-accent); color:#000; border-color:var(--color-accent)}
.card__badge svg{width:12px; height:12px}
.card__body{padding:12px 12px 14px; display:flex; flex-direction:column; gap:6px; flex:1}
.card__title{font-size:14px; font-weight:700; line-height:1.3; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; min-height:36px}
.card__meta{font-size:12px; color:var(--color-text-muted); display:flex; align-items:center; gap:8px; flex-wrap:wrap}
.card__meta-dot{width:3px; height:3px; border-radius:50%; background:var(--color-text-faint); display:inline-block}
.card__overview{font-size:12px; color:var(--color-text-muted); line-height:1.5; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; margin-top:2px}
.card__footer{margin-top:auto; display:flex; align-items:center; justify-content:space-between; gap:8px; padding-top:10px; border-top:1px solid rgba(255,255,255,.06)}
.card__rating{font-size:12px; font-weight:700; display:flex; align-items:center; gap:4px}
.card__rating--high{color:var(--color-accent)}
.card__rating--mid{color:#facc15}
.card__rating--low{color:var(--color-text-muted)}
.card__action{font-size:12px; font-weight:700; color:var(--color-accent)}
.card:hover .card__action{color:var(--color-accent-strong)}

/* Top card variant (horizontal) */
.top-card{
  background:var(--color-surface-2); border:1px solid var(--color-border); border-radius:var(--radius-md); padding:12px; display:flex; gap:12px; align-items:center; transition:.2s;
}
.top-card:hover{border-color:rgba(245,197,24,.28); transform:translateY(-2px); box-shadow:var(--shadow-soft)}
.top-card__rank{
  width:42px; height:42px; border-radius:12px; background:var(--color-accent); color:#000; display:grid; place-items:center; font-weight:900; font-size:16px; flex-shrink:0;
}
.top-card__poster{width:48px; height:72px; border-radius:8px; object-fit:cover; background:#000; flex-shrink:0; border:1px solid rgba(255,255,255,.08)}
.top-card__info{flex:1; min-width:0}
.top-card__title{font-weight:800; font-size:14px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.top-card__meta{font-size:12px; color:var(--color-text-muted); margin-top:2px}
.top-card__score{display:flex; flex-direction:column; align-items:center; gap:2px; min-width:64px}
.top-card__avg{font-weight:900; font-size:18px; color:var(--color-accent)}
.top-card__count{font-size:11px; color:var(--color-text-muted); font-weight:600; letter-spacing:.04em; text-transform:uppercase}

/* ---------- Skeleton ---------- */
.skeleton-grid{display:grid; gap:14px; grid-template-columns: repeat(4, 1fr); width:100%}
.skeleton-grid--catalog{grid-template-columns: repeat(4, 1fr)}
.skeleton-card{
  height:112px; border-radius:var(--radius-md); background:linear-gradient(90deg, #1a1a20 25%, #23232b 50%, #1a1a20 75%); background-size:200% 100%; animation:shimmer 1.2s infinite; border:1px solid var(--color-border);
}
.skeleton-card--poster{height:340px; border-radius:var(--radius-lg)}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
@media (max-width:760px){.skeleton-grid{grid-template-columns:1fr} .skeleton-grid--catalog{grid-template-columns: repeat(2, 1fr)}}

/* ---------- Empty & Footer catalog ---------- */
.empty-state{padding:28px; text-align:center; color:var(--color-text-muted); border:1px dashed var(--color-border); border-radius:var(--radius-md); background:rgba(255,255,255,.02); margin-top:8px}
.hidden{display:none !important}
.catalog__footer{display:flex; align-items:center; justify-content:space-between; gap:12px; margin-top:18px; flex-wrap:wrap}
.catalog__count{font-size:13px; color:var(--color-text-muted)}

/* ---------- Detail Page (serie.html) ---------- */
.detail-hero{position:relative; overflow:hidden; border-bottom:1px solid rgba(255,255,255,.06)}
.detail-hero__backdrop{position:absolute; inset:0; background-size:cover; background-position:center; filter:blur(0px) brightness(.55) saturate(1.1)}
.detail-hero__backdrop::after{content:""; position:absolute; inset:0; background:linear-gradient(to top, var(--color-bg) 10%, rgba(8,8,10,.6) 55%, rgba(8,8,10,.2)) }
.detail-hero__inner{position:relative; max-width:var(--content-max); margin:0 auto; padding:32px var(--content-pad) 28px; display:flex; gap:24px; align-items:flex-end}
.detail-poster{width:220px; aspect-ratio:2/3; border-radius:var(--radius-lg); overflow:hidden; border:1px solid rgba(255,255,255,.12); box-shadow:var(--shadow-card); flex-shrink:0; background:#000}
.detail-poster img{width:100%; height:100%; object-fit:cover}
.detail-info{flex:1; min-width:0; padding-bottom:8px}
.detail-title{font-family:var(--font-display); font-size: clamp(26px, 4vw, 42px); line-height:.95; letter-spacing:-.04em; margin:0; font-weight:800}
.detail-tagline{color:var(--color-text-muted); font-style:italic; margin:8px 0 10px}
.detail-meta{display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin:10px 0 14px}
.chip{font-size:12px; font-weight:700; padding:6px 10px; border-radius:var(--radius-pill); background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.12); color:var(--color-text-soft)}
.chip--accent{background:var(--color-accent); color:#000; border-color:var(--color-accent)}
.detail-overview{max-width:720px; color:var(--color-text-soft); line-height:1.65; font-size:15px}
.detail-actions{display:flex; gap:10px; margin-top:16px; flex-wrap:wrap}
@media (max-width:760px){.detail-hero__inner{flex-direction:column; align-items:flex-start} .detail-poster{width:160px}}

/* Reviews section */
.reviews-layout{max-width:var(--content-max); margin:0 auto; padding:24px var(--content-pad) 40px; display:grid; grid-template-columns: 380px 1fr; gap:20px}
@media (max-width:980px){.reviews-layout{grid-template-columns:1fr}}
.review-form{
  background:var(--color-surface); border:1px solid var(--color-border); border-radius:var(--radius-lg); padding:18px; position:sticky; top:76px; height:fit-content;
}
.review-form__title{font-family:var(--font-display); font-weight:800; letter-spacing:-.03em; margin:0 0 4px}
.review-form__subtitle{font-size:13px; color:var(--color-text-muted); margin:0 0 14px}
.form-group{margin-bottom:12px}
.form-label{font-size:13px; font-weight:700; color:var(--color-text-soft); display:block; margin-bottom:6px}
.form-input, .form-textarea, .form-select{
  width:100%; background:var(--color-surface-2); border:1px solid var(--color-border); color:var(--color-text); padding:10px 12px; border-radius:10px; font-size:14px; outline:none; transition:.2s;
}
.form-input:focus, .form-textarea:focus, .form-select:focus{border-color:rgba(245,197,24,.4); box-shadow:0 0 0 3px rgba(245,197,24,.12)}
.form-textarea{min-height:90px; resize:vertical}
.stars{display:flex; gap:6px}
.star{
  width:38px; height:38px; border-radius:10px; border:1px solid var(--color-border); background:var(--color-surface-2); display:grid; place-items:center; cursor:pointer; transition:.15s; color:var(--color-text-muted);
}
.star:hover{border-color:rgba(245,197,24,.4); color:var(--color-accent)}
.star--active{background:var(--color-accent); color:#000; border-color:var(--color-accent)}
.form-hint{font-size:11px; color:var(--color-text-faint); margin-top:6px}
.form-error{font-size:12px; color:var(--color-danger); margin-top:6px; display:none}
.form-error--visible{display:block}
.reviews-list{
  background:var(--color-surface); border:1px solid var(--color-border); border-radius:var(--radius-lg); padding:18px;
}
.reviews-list__header{display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:14px; flex-wrap:wrap}
.reviews-list__title{font-family:var(--font-display); font-weight:800; margin:0}
.reviews-list__avg{display:flex; align-items:center; gap:8px; font-weight:800}
.avg-badge{background:var(--color-accent); color:#000; padding:6px 10px; border-radius:var(--radius-pill); font-weight:900}
.review-card{padding:14px; border:1px solid var(--color-border); border-radius:var(--radius-md); background:var(--color-surface-2); margin-bottom:12px}
.review-card__head{display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:8px}
.review-card__user{font-weight:800; font-size:14px}
.review-card__rating{font-weight:900; color:var(--color-accent)}
.review-card__comment{color:var(--color-text-soft); font-size:14px; line-height:1.6; margin:0}
.review-card__date{font-size:11px; color:var(--color-text-faint); margin-top:8px; letter-spacing:.04em; text-transform:uppercase}

/* ---------- Footer ---------- */
.footer{border-top:1px solid rgba(255,255,255,.06); background:var(--color-bg-soft); margin-top:16px}
.footer__inner{max-width:var(--content-max); margin:0 auto; padding:24px var(--content-pad); display:grid; grid-template-columns: 1.2fr .8fr .9fr; gap:20px}
.footer__brand p{color:var(--color-text-muted); font-size:13px; line-height:1.6; margin:8px 0 0}
.footer__brand a{color:var(--color-accent); font-weight:600}
.footer__links{display:flex; flex-direction:column; gap:8px}
.footer__links a{color:var(--color-text-muted); font-size:13px; font-weight:600}
.footer__links a:hover{color:var(--color-text)}
.footer__meta{display:flex; flex-direction:column; gap:6px; color:var(--color-text-faint); font-size:12px; letter-spacing:.04em; text-transform:uppercase; font-weight:600; align-items:flex-end; text-align:right}
@media (max-width:760px){.footer__inner{grid-template-columns:1fr} .footer__meta{align-items:flex-start; text-align:left}}

/* ---------- Toast ---------- */
.toast{
  position:fixed; bottom:18px; left:50%; transform:translateX(-50%) translateY(80px); opacity:0;
  background:#111113; color:var(--color-text); border:1px solid var(--color-border-strong); padding:12px 14px; border-radius:var(--radius-pill); font-size:13px; font-weight:600;
  box-shadow:var(--shadow-soft); transition:.35s; pointer-events:none; z-index:90; max-width:min(92vw, 560px); text-align:center;
}
.toast--visible{transform:translateX(-50%) translateY(0); opacity:1}
.toast--success{border-color:rgba(34,197,94,.35)}
.toast--error{border-color:rgba(239,68,68,.35)}

/* ---------- Utilities ---------- */
.muted{color:var(--color-text-muted)}
.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}