:root{--bg:#0f1320;--panel:#171c2e;--panel-2:#1f2740;--text:#e7ebf5;--muted:#9aa3bd;--accent:#6ea8fe;--accent-2:#51d6a0;--border:#2a3350;--warn:#ef9f27}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}header{border-bottom:1px solid var(--border);background:var(--panel);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}header h1{margin:0;font-size:18px}nav .tab{color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;margin-left:8px;padding:6px 12px;font-size:14px}nav .tab:hover{color:var(--text)}nav .tab.active{color:var(--accent);border-color:var(--border);background:var(--panel-2)}main{max-width:820px;margin:0 auto;padding:24px}.hint{color:var(--muted);margin:0 0 16px;font-size:13px}.hint a{color:var(--accent)}.hint-row{align-items:flex-start;gap:12px;display:flex}.hint-row .hint{flex:1}.btn-secondary{background:var(--panel-2);border:1px solid var(--border);color:var(--muted);cursor:pointer;white-space:nowrap;border-radius:8px;flex-shrink:0;padding:6px 12px;font-size:13px}.btn-secondary:hover{color:var(--text);border-color:var(--accent)}.sug-label{color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:12px}.sug-chip{background:var(--panel-2);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:20px;margin:0 6px 8px 0;padding:8px 14px;font-size:13px;transition:border-color .15s;display:inline-block}.sug-chip:hover{border-color:var(--accent);color:var(--accent)}.messages{flex-direction:column;gap:12px;min-height:320px;margin-bottom:16px;display:flex}.msg{white-space:pre-wrap;border-radius:12px;max-width:85%;padding:12px 14px}.msg.user{background:var(--accent);color:#08101f;align-self:flex-end}.msg.bot{background:var(--panel-2);border:1px solid var(--border);align-self:flex-start}.msg .cites{color:var(--muted);margin-top:8px;font-size:12px}.msg .tags{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.badge{color:var(--accent);background:#6ea8fe26;border-radius:999px;padding:2px 8px;font-size:11px;display:inline-block}.badge.warn{color:var(--warn);background:#ef9f2726}.badge.cache{color:var(--accent-2);background:#51d6a026}.fb{color:var(--muted);align-items:center;gap:6px;margin-top:8px;font-size:12px;display:flex}.fb-btn{background:var(--panel);border:1px solid var(--border);cursor:pointer;border-radius:8px;padding:2px 8px;font-size:13px}.fb-btn:hover{border-color:var(--accent)}.fb-btn.voted{border-color:var(--accent-2);background:#51d6a02e}.fb-btn:disabled{opacity:.6;cursor:default}.composer{gap:10px;display:flex}.composer input{border:1px solid var(--border);background:var(--panel-2);color:var(--text);border-radius:10px;outline:none;flex:1;padding:12px 14px;font-size:15px}.composer input:focus{border-color:var(--accent)}.composer button{background:var(--accent);color:#08101f;cursor:pointer;border:none;border-radius:10px;padding:12px 18px;font-weight:600}.composer button:disabled{opacity:.5;cursor:default}.faq-item{background:var(--panel);border:1px solid var(--border);border-radius:12px;margin-bottom:12px;padding:16px 18px}.faq-item .q{align-items:baseline;gap:10px;font-size:16px;font-weight:600;display:flex}.faq-item .rank{color:var(--muted);font-variant-numeric:tabular-nums}.faq-item .count{color:var(--accent-2);white-space:nowrap;background:#51d6a01f;border-radius:999px;margin-left:auto;padding:2px 8px;font-size:12px}.faq-item .a{color:var(--text);margin-top:8px}.faq-item .ex{color:var(--muted);margin-top:8px;font-size:12px}.empty{color:var(--muted);text-align:center;padding:40px 0}h3{margin:22px 0 10px;font-size:15px;font-weight:500}.metrics{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.metric{background:var(--panel);border:1px solid var(--border);text-align:center;border-radius:10px;padding:12px}.metric .mv{color:var(--accent);font-size:22px;font-weight:500}.metric .ml{color:var(--muted);margin-top:2px;font-size:12px}.gap{background:var(--panel);border:1px solid var(--border);border-left:3px solid var(--warn);border-radius:8px;margin-bottom:8px;padding:12px 14px}.gap .q{align-items:baseline;gap:8px;font-weight:500;display:flex}.gap .q span:first-child{flex:1}.gap .why{color:var(--muted);margin-top:6px;font-size:12px}.row{border-bottom:1px solid var(--border);justify-content:space-between;gap:10px;padding:7px 0;font-size:14px;display:flex}.row span:first-child{color:var(--text)}.cols{grid-template-columns:1fr 1fr;gap:20px;margin-top:8px;display:grid}.cat{background:var(--panel);border:1px solid var(--border);border-radius:10px;margin-bottom:10px;padding:12px 14px}.cat-head{color:var(--accent);justify-content:space-between;align-items:baseline;margin-bottom:6px;font-weight:500;display:flex}.cat .row:last-child{border-bottom:none}.kb-form{flex-direction:column;gap:8px;max-width:520px;display:flex}.kb-form input,.kb-form textarea{background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:8px;outline:none;padding:9px 11px;font-family:inherit;font-size:14px}.kb-form button{background:var(--accent);color:#08101f;cursor:pointer;border:none;border-radius:8px;align-self:flex-start;padding:8px 14px;font-weight:600}.kb-status{color:var(--muted);font-size:12px}