:root{
  --paper:#F6F1E7; --paper-2:#EFE8DA; --ink:#241E18; --ink-soft:#5A5044;
  --clay:#BF6B3A; --rule:#DAD1BF;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:"Newsreader",Georgia,serif;font-size:18px;line-height:1.7;-webkit-font-smoothing:antialiased}
.wrap{max-width:820px;margin:0 auto;padding:0 24px}
a{color:inherit}

header{padding:52px 0 22px;border-bottom:1px solid var(--rule)}
.back{display:inline-block;font-family:"JetBrains Mono",monospace;font-size:12px;
  color:var(--ink-soft);text-decoration:none;margin-bottom:18px}
.back:hover{color:var(--clay)}
.eyebrow{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--clay);margin-bottom:14px}
h1{font-family:"Fraunces",serif;font-weight:600;font-size:clamp(28px,5.5vw,42px);
  line-height:1.1;margin:0 0 10px;letter-spacing:-.01em}
.sub{color:var(--ink-soft);font-size:16px;margin:0;max-width:60ch}
.meta{display:flex;gap:20px;flex-wrap:wrap;margin-top:18px;
  font-family:"JetBrains Mono",monospace;font-size:12.5px;color:var(--ink-soft)}
.meta b{color:var(--ink);font-weight:500}

/* danh sách */
.controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding:24px 0 0}
.search,.filter{font-family:"JetBrains Mono",monospace;font-size:13px;color:var(--ink);
  background:var(--paper-2);border:1px solid var(--rule);border-radius:10px;padding:9px 13px}
.search{flex:1 1 260px;min-width:0}
.search::placeholder{color:var(--ink-soft)}
.filter{cursor:pointer}
.search:focus-visible,.filter:focus-visible{outline:2px solid var(--clay);outline-offset:1px;border-color:var(--clay)}
.empty{font-family:"JetBrains Mono",monospace;font-size:13px;color:var(--ink-soft);
  text-align:center;padding:40px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;
  padding:20px 0 56px}
.card{display:block;text-decoration:none;background:var(--paper-2);border:1px solid var(--rule);
  border-radius:12px;padding:18px 18px 16px;transition:transform .14s ease,border-color .14s ease}
.card:hover{transform:translateY(-2px);border-color:var(--clay)}
.card-id{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--clay);letter-spacing:.06em}
.card-title{font-family:"Fraunces",serif;font-weight:600;font-size:18px;margin:6px 0 10px;line-height:1.25}
.card-meta{font-family:"JetBrains Mono",monospace;font-size:11.5px;color:var(--ink-soft)}

/* thanh điều khiển */
.bar{position:sticky;top:0;z-index:10;background:rgba(246,241,231,.9);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--rule);margin:0 -24px;padding:10px 24px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.tab{font-family:"JetBrains Mono",monospace;font-size:12.5px;border:1px solid var(--rule);
  background:transparent;color:var(--ink-soft);padding:7px 14px;border-radius:8px;cursor:pointer;transition:all .15s ease}
.tab:hover{border-color:var(--ink-soft)}
.tab[aria-selected="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.tab:focus-visible{outline:2px solid var(--clay);outline-offset:2px}

.section-title{font-family:"Fraunces",serif;font-weight:600;font-size:20px;margin:26px 0 4px}
.section-sub{font-family:"JetBrains Mono",monospace;font-size:11.5px;color:var(--ink-soft);
  margin:0 0 16px;letter-spacing:.04em}

.panel{display:none;padding:6px 0 30px}
.panel.active{display:block}
.t-line{display:grid;grid-template-columns:50px 1fr;gap:14px;padding:6px 0;align-items:baseline}
body.no-time .t-line{grid-template-columns:1fr}
.t-time{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--ink-soft);
  opacity:.65;padding-top:5px;user-select:none}
body.no-time .t-time{display:none}
.t-speaker{display:inline-block;font-family:"JetBrains Mono",monospace;font-size:10.5px;
  letter-spacing:.05em;padding:2px 8px;border-radius:5px;margin-right:8px;vertical-align:2px;
  font-weight:500;background:var(--sp-bg,#E3DCCB);color:var(--sp-fg,#5A5044)}
.t-text{font-size:18px}
.t-line[data-role="speaker"] .t-text{border-left:2px solid var(--sp-soft,#E3DCCB);
  padding-left:14px;margin-left:-16px}
.t-line[data-role="narrator"]{opacity:.92}
.t-line[data-role="narrator"] .t-text{font-style:italic;color:var(--ink-soft);font-size:16.5px;
  border-left:2px dotted var(--rule);padding-left:14px;margin-left:-16px}
.t-line[data-role="narrator"] .t-speaker{background:transparent;color:var(--ink-soft);
  border:1px solid var(--rule);font-style:normal}
body.no-narrator .t-line[data-role="narrator"]{display:none}

.t-vocab{border-bottom:1.5px solid var(--clay)}
.t-gloss{color:var(--clay);font-style:italic;font-size:.86em;white-space:nowrap}
body.no-vn .t-gloss{display:none}

.vocab-box{margin:18px -24px 0;padding:26px 24px 40px;background:var(--paper-2);border-top:1px solid var(--rule)}
.vocab-box h2{font-family:"Fraunces",serif;font-weight:600;font-size:20px;margin:0 0 14px}
.vlist{display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:10px;overflow:hidden}
.vrow{display:grid;grid-template-columns:1fr 1fr;gap:12px;background:var(--paper);padding:11px 16px}
.vrow .en{font-weight:500;font-size:16px}
.vrow .vi{color:var(--clay);font-style:italic;text-align:right;font-size:15px}

footer{padding:24px 0 56px;text-align:center;font-family:"JetBrains Mono",monospace;
  font-size:11px;color:var(--ink-soft);letter-spacing:.05em}

@media (max-width:520px){
  body{font-size:17px}
  .t-line{grid-template-columns:42px 1fr;gap:9px}
  .vrow{grid-template-columns:1fr;gap:2px}
  .vrow .vi{text-align:left}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}