@font-face { font-family: "IBM Plex Sans"; font-weight: 400; src: url(fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; font-weight: 500; src: url(fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; font-weight: 600; src: url(fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; font-weight: 700; src: url(fonts/ibm-plex-sans-latin-700-normal.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; src: url(fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; font-weight: 600; src: url(fonts/ibm-plex-mono-latin-600-normal.woff2) format("woff2"); font-display: swap; }

@font-face { font-family: "IBM Plex Sans"; font-weight: 400; src: url(fonts/ibm-plex-sans-vietnamese-400-normal.woff2) format("woff2"); font-display: swap; unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB; }
@font-face { font-family: "IBM Plex Sans"; font-weight: 500; src: url(fonts/ibm-plex-sans-vietnamese-500-normal.woff2) format("woff2"); font-display: swap; unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB; }
@font-face { font-family: "IBM Plex Sans"; font-weight: 600; src: url(fonts/ibm-plex-sans-vietnamese-600-normal.woff2) format("woff2"); font-display: swap; unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB; }
@font-face { font-family: "IBM Plex Sans"; font-weight: 700; src: url(fonts/ibm-plex-sans-vietnamese-700-normal.woff2) format("woff2"); font-display: swap; unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB; }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; src: url(fonts/ibm-plex-mono-vietnamese-500-normal.woff2) format("woff2"); font-display: swap; unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB; }
@font-face { font-family: "IBM Plex Mono"; font-weight: 600; src: url(fonts/ibm-plex-mono-vietnamese-600-normal.woff2) format("woff2"); font-display: swap; unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB; }

:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #121a33;
  --panel-2: #172042;
  --line: rgba(255, 255, 255, 0.10);
  --text: #e8ecf5;
  --dim: #8b96b4;
  --accent: #4dd8ff;
  --radius: 18px;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: radial-gradient(1200px 600px at 50% -10%, #17224a 0%, var(--bg) 60%) fixed; color: var(--text); font: 400 16px/1.5 var(--sans); }
.wrap { width: min(1240px, 100% - 32px); margin-inline: auto; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
a { color: inherit; }

/* header */
.top { padding: 40px 0 8px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font: 700 clamp(28px, 4vw, 44px)/1.1 var(--sans); text-decoration: none; letter-spacing: -0.01em; }
.mark { width: 0.9em; height: 0.9em; border-radius: 30%; background: conic-gradient(from 200deg, #4dd8ff, #7ee787, #ffd166, #4dd8ff); box-shadow: 0 0 24px rgba(77, 216, 255, 0.45); }
.tagline { margin: 10px 0 24px; color: var(--dim); font-size: 18px; }
.controls { display: flex; flex-wrap: wrap; gap: 14px 20px; align-items: center; }
.search { flex: 1 1 320px; max-width: 520px; }
.search input { width: 100%; height: 48px; padding: 0 18px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); color: var(--text); font: 500 16px var(--sans); outline: none; }
.search input::placeholder { color: var(--dim); }
.search input:focus-visible { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(77, 216, 255, 0.25); }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.tab { height: 40px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--text); font: 600 14px var(--sans); cursor: pointer; display: inline-flex; align-items: center; gap: 8px; }
.tab .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--c, var(--accent)); }
.tab .n { color: var(--dim); font: 600 12px var(--mono); }
.tab:hover { border-color: rgba(255, 255, 255, 0.3); }
.tab[aria-pressed="true"] { background: var(--c, var(--accent)); border-color: transparent; color: #0b1020; }
.tab[aria-pressed="true"] .dot { background: #0b1020; }
.tab[aria-pressed="true"] .n { color: rgba(11, 16, 32, 0.7); }
.tab:focus-visible, .btn:focus-visible, .card:focus-visible, .close:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.stats { margin: 16px 0 0; color: var(--dim); font: 500 13px var(--mono); }

/* sections */
main { padding: 8px 0 60px; }
.field { margin-top: 44px; scroll-margin-top: 16px; }
.field-head { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 16px; padding-bottom: 12px; border-bottom: 2px solid var(--c); }
.field-head h2 { margin: 0; font: 700 clamp(24px, 3vw, 32px)/1.2 var(--sans); }
.field-head .count { font: 600 13px var(--mono); color: var(--c); }
.field-head p { margin: 0; color: var(--dim); flex-basis: 100%; }
.series { margin-top: 26px; }
.series h3 { margin: 0 0 14px; font: 600 14px var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--dim); }
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

/* cards */
.card { display: flex; flex-direction: column; text-align: left; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); color: inherit; cursor: pointer; overflow: hidden; font: inherit; transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease; }
.card:hover { transform: translateY(-4px); border-color: var(--c); box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35); }
.thumb { position: relative; aspect-ratio: 16 / 9; background: #0e1530; }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.play { position: absolute; inset: 0; display: grid; place-items: center; background: linear-gradient(180deg, transparent 50%, rgba(5, 8, 20, 0.65)); opacity: 0; transition: opacity 0.18s; }
.play::before { content: ""; width: 58px; height: 58px; border-radius: 50%; background: var(--c); box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5); }
.play::after { content: ""; position: absolute; border-style: solid; border-width: 11px 0 11px 18px; border-color: transparent transparent transparent #0b1020; margin-left: 4px; }
.card:hover .play, .card:focus-visible .play { opacity: 1; }
.dur { position: absolute; right: 10px; bottom: 10px; padding: 2px 8px; border-radius: 8px; background: rgba(5, 8, 20, 0.85); font: 600 12px var(--mono); }
.seen { position: absolute; left: 10px; top: 10px; padding: 2px 9px; border-radius: 999px; background: rgba(126, 231, 135, 0.92); color: #0b1020; font: 700 11px var(--sans); }
.info { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.info h4 { margin: 0; font: 700 18px/1.25 var(--sans); }
.info p { margin: 0; color: var(--dim); font-size: 14px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 8px; }
.tag { padding: 1px 9px; border-radius: 999px; background: rgba(255, 255, 255, 0.06); font: 500 12px var(--mono); color: var(--dim); }
.empty { margin: 60px 0; text-align: center; color: var(--dim); font-size: 18px; }
.foot { padding: 28px 0 48px; color: var(--dim); font-size: 14px; border-top: 1px solid var(--line); }

/* modal */
.modal { position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; padding: 16px; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(4, 6, 16, 0.82); backdrop-filter: blur(6px); }
.modal-card { position: relative; width: min(1100px, 100%); max-height: calc(100dvh - 32px); overflow: auto; border-radius: 22px; background: var(--panel); border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6); }
.modal-card video { display: block; width: 100%; aspect-ratio: 16 / 9; background: #000; }
.modal-body { padding: 18px 24px 24px; }
.crumb { margin: 0 0 6px; font: 600 12px var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--c, var(--accent)); }
.modal-body h2 { margin: 0 0 6px; font: 700 26px/1.2 var(--sans); }
.modal-body p { margin: 0; color: var(--dim); }
.modal-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.btn { height: 40px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel-2); color: var(--text); font: 600 14px var(--sans); cursor: pointer; }
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn:disabled { opacity: 0.4; cursor: default; }
.close { position: absolute; top: 10px; right: 10px; z-index: 2; width: 40px; height: 40px; border-radius: 50%; border: 0; background: rgba(5, 8, 20, 0.75); color: #fff; font-size: 26px; line-height: 1; cursor: pointer; }
.close:hover { background: rgba(5, 8, 20, 0.95); }

@media (max-width: 600px) {
  .top { padding-top: 24px; }
  .modal-body { padding: 14px 16px 18px; }
  .modal-card { border-radius: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card, .card:hover { transition: none; transform: none; }
}

/* language switcher */
.lang { display: inline-flex; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel); }
.lang button { font: 600 13px/1 var(--mono); padding: 7px 10px; display: inline-flex; align-items: center; border: 0; border-radius: 999px; background: transparent; color: var(--dim); cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--accent); color: var(--bg); }
.lang button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.top .lang { position: absolute; top: 18px; right: 0; }
.top .wrap { position: relative; }
.modal-lang { margin-top: 14px; }
.langs-on { font: 600 11px/1 var(--mono); letter-spacing: .06em; color: var(--dim); margin-left: 8px; }
.flag { display: inline-flex; width: 26px; height: 18px; border-radius: 3px; overflow: hidden; box-shadow: 0 0 0 1px rgba(255, 255, 255, .25); opacity: .6; transition: opacity .15s; }
.flag svg { width: 100%; height: 100%; display: block; }
.lang button:hover .flag, .lang button[aria-pressed="true"] .flag { opacity: 1; }
.lang button[aria-pressed="true"] { background: var(--accent); }

@media (max-width: 600px) {
  /* no room beside the title: put the switcher on its own row above it */
  .top .lang { position: static; display: flex; width: max-content; margin: 0 0 14px auto; }
  .lang button { min-height: 40px; padding: 0 12px; }
  .modal-lang { margin-top: 12px; }
  .modal-nav .btn { flex: 1 1 140px; height: auto; min-height: 40px; padding: 8px 14px; line-height: 1.25; }
}