:root{--bg:#fafaf7;--fg:#1a1a1a;--muted:#5f5f5f;--line:#e3e1da;--accent:#1f4e79;--warn:#8a5a00;--card:#fff}*{box-sizing:border-box}body,html{margin:0;background:var(--bg);color:var(--fg);font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Noto Sans,sans-serif}a{color:var(--accent)}main{max-width:1040px;margin:0 auto;padding:24px 20px 96px}h1{font-size:22px;margin:0 0 12px}h2{font-size:17px;margin:20px 0 8px}.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px;margin:12px 0}.muted{color:var(--muted)}.small{font-size:13px}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}label{display:block;font-size:13px;color:var(--muted);margin:8px 0 4px}button,input,select,textarea{font:inherit}input,select,textarea{width:100%;max-width:420px;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:#fff}button{padding:8px 14px;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:6px;cursor:pointer}button.secondary{background:#fff;color:var(--accent)}button:disabled{opacity:.6;cursor:default}.notice{border-left:4px solid var(--warn);background:#fff8e6}.disclosure,.notice{padding:10px 12px;border-radius:4px;margin:10px 0}.disclosure{border-left:4px solid var(--accent);background:#eef3f8}.err{color:#a40000}.ok{color:#1d6b2e}nav.top{display:flex;gap:16px;align-items:center;padding:12px 20px;border-bottom:1px solid var(--line);background:#fff}nav.top .spacer{flex:1 1}nav.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:12px 0}nav.tabs a{padding:8px 12px;text-decoration:none;color:var(--muted);border-bottom:2px solid transparent}nav.tabs a.active{color:var(--fg);border-color:var(--accent)}footer.d1{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);padding:8px 20px;font-size:12.5px;color:var(--muted)}footer.d1 p{margin:2px 0}table{border-collapse:collapse;width:100%}td,th{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:13px}.empty,th{color:var(--muted)}.empty{text-align:center;padding:40px 16px}:root{--grounded:#1f4e79;--grounded-bg:#eef3f8;--general:#5f5f5f;--general-bg:#f4f4f1;--abstain:#8a5a00;--abstain-bg:#fff8e6}.tier{border:1px solid var(--line);border-left-width:4px;border-radius:8px;padding:12px 14px;margin:10px 0;background:var(--card)}.tier .tier-label{font-size:12px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;margin:0 0 6px}.tier.grounded{border-left-color:var(--grounded);background:var(--grounded-bg)}.tier.grounded .tier-label{color:var(--grounded)}.tier.general{border-left-color:var(--general);background:var(--general-bg)}.tier.general .tier-label{color:var(--general)}.tier.abstain{border-left-color:var(--abstain);background:var(--abstain-bg)}.tier.abstain .tier-label{color:var(--abstain)}.tier p{margin:0 0 6px}.pointers{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.pointer{font-size:12px;padding:2px 8px;border:1px solid var(--grounded);border-radius:999px;color:var(--grounded);background:#fff;text-decoration:none}.advocate-line{border-left:4px solid var(--abstain);background:#fff8e6;padding:10px 12px;border-radius:4px;margin:10px 0;font-weight:600}.turn-user{background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin:16px 0 4px}.turn-user .who{font-size:12px;color:var(--muted);margin-bottom:4px}.chat-form{position:-webkit-sticky;position:sticky;bottom:52px;background:var(--bg);padding-top:8px}.chat-form textarea{max-width:none;min-height:60px}