:root{--ink:#183041;--muted:#5d7080;--line:#d8e0e7;--accent:#1f6f8b;--now:#fff3c4;--bg:#f7f9fb}
*{box-sizing:border-box}
body{margin:0;font:16px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}
header{display:flex;gap:16px;align-items:center;padding:10px 24px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:2}
.brand{font-weight:600;color:var(--ink);text-decoration:none;white-space:nowrap}
#global-search{flex:1;max-width:560px}
#global-search input{width:100%}
#who{margin-left:auto;color:var(--muted);font-size:14px}
input,button{font:inherit}
input[type=search],input[name=user],input[type=password]{padding:7px 10px;border:1px solid var(--line);border-radius:6px;background:#fff}
button{padding:7px 14px;border:1px solid var(--accent);border-radius:6px;background:var(--accent);color:#fff;cursor:pointer}
#logout{background:#fff;color:var(--accent)}
main{padding:20px 24px;max-width:1500px;margin:0 auto}
a{color:var(--accent)}
h1{font-size:24px;margin:8px 0 16px}
h2{font-size:18px;margin:20px 0 8px}
h2 small{color:var(--muted);font-weight:400}
.muted{color:var(--muted)}
.error{color:#a3262b}
.login{max-width:360px;margin:60px auto;display:grid;gap:12px;background:#fff;padding:24px;border:1px solid var(--line);border-radius:10px}
.login label{display:grid;gap:4px}
.filter{width:100%;max-width:480px}
.lectures,.hits{list-style:none;margin:0;padding:0;background:#fff;border:1px solid var(--line);border-radius:8px}
.lectures li+li,.hits li+li{border-top:1px solid var(--line)}
.lectures a,.hits a{display:flex;gap:14px;padding:9px 14px;text-decoration:none;color:inherit}
.lectures a:hover,.hits a:hover{background:#eef5f8}
.date{color:var(--muted);min-width:90px}
.title{flex:1}
.dur{color:var(--muted);white-space:nowrap}
.guess{border-bottom:1px dotted var(--muted);cursor:help}
.back{display:inline-block;margin-bottom:4px;text-decoration:none}
.columns{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,2fr);gap:24px;align-items:start}
.left{position:sticky;top:70px}
video{width:100%;max-height:70vh;background:#000;border-radius:8px}
audio{width:100%}
.meta{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px 16px;margin:14px 0}
.meta dt{font-size:13px;color:var(--muted)}
.meta dd{margin:0}
.note{font-size:14px}
.tools{display:flex;gap:12px;align-items:center;margin-bottom:8px;flex-wrap:wrap}
.tools .filter{flex:1}
.transcript{list-style:none;margin:0;padding:0;max-height:calc(100vh - 170px);overflow:auto;background:#fff;border:1px solid var(--line);border-radius:8px}
.transcript li{display:grid;grid-template-columns:62px 110px 1fr;gap:8px;padding:6px 12px;cursor:pointer;border-bottom:1px solid #eef2f5}
.transcript li:hover{background:#eef5f8}
.transcript li.now{background:var(--now)}
.at{color:var(--accent);font-variant-numeric:tabular-nums;white-space:nowrap}
.who{color:var(--muted);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:90px}
.who.ambiguous{font-style:italic}
.hits .text{flex:1}
mark{background:var(--now);padding:0 1px}
@media (max-width:900px){.columns{grid-template-columns:1fr}.left{position:static}.transcript{max-height:60vh}header{flex-wrap:wrap}#who{display:none}}