/* Lo-fi wireframe styling: grey boxes, dashed borders, system fonts. */
:root{
  --bg:#fafafa; --fg:#222; --muted:#777; --line:#bbb; --box:#fff; --hl:#ffe680; --hl-line:#eef4ff; --accent:#333;
  --tag:#eee;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#161616; --fg:#e6e6e6; --muted:#999; --line:#444; --box:#1f1f1f; --hl:#6b5a00; --hl-line:#1d2633; --accent:#ddd; --tag:#2a2a2a; }
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.5 system-ui,-apple-system,"Hiragino Sans","Noto Sans JP","Noto Sans Thai","Noto Sans KR",sans-serif}
a{color:inherit}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:10px 16px;border-bottom:2px solid var(--fg)}
.brand{font-weight:700;text-decoration:none;font-size:18px}
.brand small{font-weight:400;color:var(--muted);font-size:12px;border:1px dashed var(--line);padding:1px 6px;margin-left:6px}
nav a{margin-left:14px;text-decoration:none;border-bottom:1px dashed var(--muted)}
.demo-banner{background:var(--tag);font-size:12px;padding:6px 16px;color:var(--muted);border-bottom:1px dashed var(--line)}
main{padding:16px;max-width:1300px;margin:0 auto}
h1,h2,h3{margin:.4em 0}
.box{border:1px dashed var(--line);background:var(--box);padding:12px;border-radius:4px}
.muted{color:var(--muted)}
.tag{display:inline-block;background:var(--tag);border:1px solid var(--line);border-radius:3px;padding:0 6px;font-size:12px;margin:1px 2px;white-space:nowrap}
.btn,button,select,input{font:inherit;color:inherit;background:var(--box);border:1px solid var(--line);border-radius:3px;padding:4px 8px}
button{cursor:pointer}
button.on{background:var(--fg);color:var(--bg)}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.card{display:block;text-decoration:none}
.thumb{aspect-ratio:16/9;border:1px dashed var(--line);display:flex;align-items:center;justify-content:center;color:var(--muted);background:repeating-linear-gradient(45deg,transparent,transparent 8px,var(--tag) 8px,var(--tag) 9px);margin-bottom:6px}

/* Watch page */
.watch{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);grid-template-areas:"player ts" "extras ts";gap:0 16px;align-items:start}
.player-col{grid-area:player}.ts-col{grid-area:ts;position:sticky;top:8px}.extras{grid-area:extras}
.wordpanel .close{display:none;float:right}
@media (max-width:860px){
  .watch{grid-template-columns:1fr;grid-template-areas:"player" "ts" "extras"}
  .ts-col{position:static}
  .player-col{position:sticky;top:0;z-index:5;background:var(--bg);padding-bottom:4px;border-bottom:1px dashed var(--line)}
  .player-col h2{font-size:14px!important}
  .wordpanel{display:none}
  .wordpanel.open{display:block;position:fixed;left:0;right:0;bottom:0;z-index:10;max-height:45vh;overflow:auto;margin:0;border-radius:8px 8px 0 0;border-style:solid;box-shadow:0 -4px 16px rgba(0,0,0,.25)}
  .wordpanel .close{display:inline-block}
}
.player{aspect-ratio:16/9;border:1px dashed var(--line);background:#000;position:relative;overflow:hidden}
.player iframe,.player>div{position:absolute;inset:0;width:100%;height:100%;border:0}
.mock{display:flex;flex-direction:column;align-items:center;justify-content:center;color:#ccc;text-align:center;padding:12px;background:repeating-linear-gradient(45deg,#111,#111 10px,#181818 10px,#181818 20px)}
.mock .clock{font:700 28px ui-monospace,monospace;margin:6px 0}
.ctrls{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:8px 0}
.ctrls input[type=range]{flex:1;min-width:120px}
.toggles{display:flex;flex-wrap:wrap;gap:10px;font-size:13px;margin:8px 0}
.toggles .grp{display:flex;gap:4px;align-items:center}
.transcript{max-height:72vh;overflow:auto;padding:0}
@media (max-width:860px){ .transcript{max-height:none} }
.ln{padding:8px 12px;border-bottom:1px dashed var(--line);cursor:pointer}
.ln.active{background:var(--hl-line)}
.ln .meta{font-size:12px;color:var(--muted);display:flex;gap:8px}
.jp{font-size:20px;line-height:2.4}
.tok{display:inline-block;text-align:center;vertical-align:bottom;border-radius:3px;padding:0 1px;line-height:1.2}
.tok .r{display:block;font-size:10px;color:var(--muted);min-height:12px}
.tok .s{display:block}
.tok .g{display:block;font-size:10px;color:var(--muted);max-width:9em;white-space:normal;line-height:1.15;min-height:0}
.tok.w{border-bottom:2px solid var(--line);cursor:help}
.tok.w.t-youth-slang,.tok.w.t-casual{border-bottom-color:#c96}
.tok.w.t-fandom,.tok.w.t-team-coined{border-bottom-color:#96c;border-bottom-style:double;border-bottom-width:3px}
.tok.w.t-grammar{border-bottom-style:dotted}
.tok.now{background:var(--hl)}
.tr{font-size:13px;color:var(--fg);border-left:3px solid var(--line);padding-left:8px;margin-top:2px}
.tr b{font-weight:600;color:var(--muted);font-size:11px;margin-right:4px}

.wordpanel{margin-top:10px;min-height:80px}
.kv{display:grid;grid-template-columns:110px 1fr;gap:2px 10px;font-size:14px}
.kv dt{color:var(--muted)}
.kv dd{margin:0}
.big{font-size:32px;line-height:1.1}
.sino{border:1px solid var(--line);padding:6px 8px;margin-top:6px;border-radius:3px;font-size:13px}

/* Glossary */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{border-bottom:1px dashed var(--line);padding:6px;text-align:left;vertical-align:top}
th{cursor:pointer;white-space:nowrap}
.tbl-wrap{overflow-x:auto}
.bar{display:inline-block;height:8px;background:var(--fg);opacity:.6;vertical-align:middle}
.occ{list-style:none;padding:0}
.occ li{padding:6px 0;border-bottom:1px dashed var(--line)}
.legend{font-size:12px;color:var(--muted)}
.legend span{margin-right:12px}
.prose{max-width:860px}
.prose table td,.prose table th{cursor:default}