:root{--bg: #f5f6f8;--panel: #ffffff;--ink: #1c2733;--muted: #66727f;--line: #e3e7ec;--accent: #2456a6;--accent-ink: #ffffff;--ok: #2e7d32;--warn: #b26a00;--err: #c62828;--radius: 8px;font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-size:15px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.layout{display:flex;min-height:100vh}.sidebar{width:210px;background:#1c2733;color:#cdd6e0;padding:18px 0;display:flex;flex-direction:column;gap:2px;flex-shrink:0}.sidebar h1{font-size:16px;color:#fff;margin:0 18px 18px}.sidebar a{color:#cdd6e0;padding:9px 18px;display:block;text-decoration:none}.sidebar a.active,.sidebar a:hover{background:#2b3a4d;color:#fff}.sidebar .spacer{flex:1}.sidebar button{margin:0 18px;background:none;border:1px solid #4a5a6d;color:#cdd6e0;border-radius:var(--radius);padding:7px;cursor:pointer}.main{flex:1;padding:26px 34px;max-width:1200px}.main h2{margin-top:0}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:18px}table{width:100%;border-collapse:collapse}th{text-align:left;color:var(--muted);font-weight:600;font-size:13px}th,td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}tr:last-child td{border-bottom:none}.btn{background:var(--accent);color:var(--accent-ink);border:none;cursor:pointer;border-radius:var(--radius);padding:8px 14px;font-size:14px}.btn:disabled{opacity:.5;cursor:default}.btn.secondary{background:#eef1f5;color:var(--ink);border:1px solid var(--line)}.btn.danger{background:#fdecea;color:var(--err);border:1px solid #f5c6c1}.btn.small{padding:4px 10px;font-size:13px}input[type=text],input[type=email],input[type=password],input[type=url],input[type=number],input[type=datetime-local],select,textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:var(--radius);font-size:14px;font-family:inherit;background:#fff;color:var(--ink)}label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600;background:#eef1f5;color:var(--muted)}.badge.published{background:#e5f2e6;color:var(--ok)}.badge.draft{background:#fff4e0;color:var(--warn)}.badge.failed{background:#fdecea;color:var(--err)}.badge.transcribing,.badge.generating{background:#e3edfb;color:var(--accent)}.badge.approved{background:#e5f2e6;color:var(--ok)}.badge.archived{background:#eef1f5;color:var(--muted)}.error-strip{background:#fdecea;color:var(--err);border:1px solid #f5c6c1;border-radius:var(--radius);padding:10px 14px;margin-bottom:14px}.notice{color:var(--muted);font-size:13px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.stat{text-align:center;padding:14px}.stat .n{font-size:30px;font-weight:700}.stat .l{color:var(--muted);font-size:13px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}.question-card{border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin-bottom:12px}.question-card .opts{margin:8px 0;padding-left:0;list-style:none}.question-card .opts li{padding:4px 8px;border-radius:4px}.question-card .opts li.correct{background:#e5f2e6;font-weight:600}.question-card .meta{font-size:12px;color:var(--muted)}.rationales{font-size:12.5px;color:var(--muted);background:#f7f8fa;padding:8px 10px;border-radius:6px;margin-top:8px}.transcript{max-height:320px;overflow-y:auto;font-size:13.5px;line-height:1.55}.transcript .seg{cursor:pointer;padding:2px 6px;border-radius:4px}.transcript .seg:hover{background:#eef3fb}.transcript .t{color:var(--accent);font-variant-numeric:tabular-nums;margin-right:6px}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-box{width:340px}.progressbar{background:#eef1f5;border-radius:10px;height:8px;overflow:hidden}.progressbar>div{background:var(--ok);height:100%}video.preview{width:100%;max-height:380px;background:#000;border-radius:var(--radius)}dialog{border:1px solid var(--line);border-radius:var(--radius);padding:22px;max-width:560px;width:90%}dialog::backdrop{background:#141c2673}