:root{--bg: #0b1120;--bg-2: #111a2e;--surface: #131d33;--border: #24314f;--text: #e8eefc;--muted: #93a1c0;--primary: #3b82f6;--primary-2: #2563eb;--danger: #f87171;--ok: #34d399;--radius: 12px;color-scheme:dark;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body{margin:0}body{background:radial-gradient(1000px 600px at 80% -10%,rgba(59,130,246,.15),transparent 60%),var(--bg);color:var(--text);line-height:1.6;min-height:100vh}a{color:var(--text);text-decoration:none}code{background:#0d1526;border:1px solid var(--border);padding:1px 6px;border-radius:6px;font-size:.85em}.nav{display:flex;align-items:center;justify-content:space-between;padding:14px clamp(16px,4vw,40px);border-bottom:1px solid var(--border);background:#0b1120b3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;z-index:10}.brand{font-weight:800;letter-spacing:-.01em;font-size:1.05rem}.brand-mark{margin-right:4px}.nav-links{display:flex;align-items:center;gap:16px;font-size:.92rem}.nav-links a{color:var(--muted)}.nav-links a:hover{color:var(--text)}.pill{background:var(--surface);border:1px solid var(--border);padding:5px 12px;border-radius:999px;font-size:.82rem;color:var(--muted)}.container{max-width:860px;margin:0 auto;padding:clamp(24px,5vw,48px) clamp(16px,4vw,24px)}.card{background:linear-gradient(180deg,var(--surface),var(--bg-2));border:1px solid var(--border);border-radius:var(--radius);padding:clamp(22px,4vw,34px);box-shadow:0 20px 50px -30px #000c}.card h1{margin:0 0 6px;font-size:1.6rem}.auth-card{max-width:420px;margin:6vh auto 0}.form{display:flex;flex-direction:column;gap:16px;margin-top:18px}.form label{display:flex;flex-direction:column;gap:6px;font-size:.88rem;font-weight:600}.form input{font:inherit;padding:11px 13px;border-radius:10px;border:1px solid var(--border);background:#0d1526;color:var(--text)}.form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #3b82f633}.hint{font-weight:400;color:var(--muted);font-size:.78rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;border-radius:10px;border:1px solid transparent;background:linear-gradient(120deg,var(--primary),var(--primary-2));color:#fff;font:inherit;font-weight:600;cursor:pointer;transition:transform .12s ease,box-shadow .2s ease,opacity .2s ease}.btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px -12px var(--primary)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn.block{width:100%}.btn.ghost{background:transparent;border-color:var(--border);color:var(--text)}.btn.ghost:hover{border-color:var(--primary);box-shadow:none}.muted{color:var(--muted)}.small{font-size:.82rem}.switch{margin-top:18px;font-size:.9rem}.switch a{color:var(--primary);font-weight:600}.center{text-align:center}.screen-center{display:grid;place-items:center;min-height:70vh}.alert{background:#f871711f;border:1px solid rgba(248,113,113,.4);color:#fecaca;padding:10px 13px;border-radius:10px;font-size:.9rem;margin-top:14px}.profile{margin-top:20px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.row{display:flex;justify-content:space-between;gap:16px;padding:13px 16px;border-bottom:1px solid var(--border)}.row:last-child{border-bottom:none}.row .k{color:var(--muted)}.row .v{font-weight:600;word-break:break-all}.table-wrap{margin-top:18px;overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius)}.table{width:100%;border-collapse:collapse;font-size:.92rem}.table th,.table td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--border)}.table th{color:var(--muted);font-weight:600;background:#0d1526}.table tr:last-child td{border-bottom:none}.badge{padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:700}.badge.admin{background:#3b82f62e;color:#93c5fd}.badge.user{background:#34d39929;color:#6ee7b7}.demo-banner{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;padding:9px clamp(16px,4vw,40px);font-size:.85rem;color:var(--text);background:linear-gradient(90deg,#3b82f629,#2563eb1a);border-bottom:1px solid var(--border)}.demo-tag{flex:none;font-weight:800;font-size:.68rem;letter-spacing:.08em;padding:2px 8px;border-radius:999px;color:#bfdbfe;background:#3b82f638;border:1px solid rgba(59,130,246,.4)}.demo-text{color:var(--muted)}.demo-text code{color:var(--text)}.demo-link{margin-left:auto;flex:none;font-weight:700;color:#93c5fd}.demo-link:hover{color:#bfdbfe}#root{min-height:100dvh;display:flex;flex-direction:column}.auth-wrap{flex:1;display:grid;place-items:center;padding:40px 16px}.screen-center{flex:1;display:grid;place-items:center;padding:40px}.workspace{flex:1;min-height:0;display:grid;grid-template-columns:340px 1fr}.sidebar{min-height:0;display:flex;flex-direction:column;gap:14px;padding:18px;border-right:1px solid var(--border);background:#111a2e80;overflow:auto}.field-label{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:6px}.ws-row{display:flex;gap:8px}.ws-row select{flex:1;min-width:0}.workspace select,.workspace input,.workspace textarea{width:100%;padding:9px 11px;background:#0d1526;border:1px solid var(--border);border-radius:9px;color:var(--text);font:inherit;outline:none}.workspace select:focus,.workspace input:focus,.workspace textarea:focus{border-color:var(--primary)}.workspace textarea{resize:vertical}.btn.tiny{padding:6px 10px;font-size:.78rem;flex:none}.docs{display:flex;flex-direction:column;min-height:0;gap:10px}.panel-title{margin:4px 0 0;font-size:.95rem;display:flex;align-items:center;gap:8px}.panel-title .count{font-size:.72rem;color:var(--muted);background:#0d1526;border:1px solid var(--border);padding:1px 8px;border-radius:999px}.doc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.doc-empty{font-size:.85rem;line-height:1.5;padding:10px 12px;border:1px dashed var(--border);border-radius:10px}.doc-item{display:flex;align-items:flex-start;gap:8px;padding:10px 12px;background:#0d1526;border:1px solid var(--border);border-radius:10px}.doc-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}.doc-title{font-weight:600;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.doc-status{font-size:.76rem;color:var(--muted);display:inline-flex;align-items:center;gap:6px}.doc-status.s-ready{color:#6ee7b7}.doc-status.s-failed{color:var(--danger)}.doc-err{font-size:.74rem;color:var(--danger)}.icon-btn{flex:none;border:none;background:transparent;color:var(--muted);cursor:pointer;font-size:.85rem;padding:2px 6px;border-radius:6px}.icon-btn:hover{color:var(--danger);background:#f871711a}.spinner{width:11px;height:11px;border:2px solid rgba(147,161,192,.35);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.add-doc{margin-top:auto;padding-top:12px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:8px}.tabs{display:flex;gap:6px}.tab{flex:1;padding:7px;font-size:.8rem;font-weight:600;color:var(--muted);background:#0d1526;border:1px solid var(--border);border-radius:8px;cursor:pointer}.tab.on{color:var(--text);border-color:var(--primary);background:#3b82f61f}.paste-form{display:flex;flex-direction:column;gap:8px}.upload-form .hint,.paste-form .hint{color:var(--muted);font-size:.76rem}.main-pane{min-height:0;display:flex;flex-direction:column}.chat{flex:1;min-height:0;display:flex;flex-direction:column}.chat-scroll{flex:1;min-height:0;overflow:auto;padding:24px clamp(16px,5vw,48px);display:flex;flex-direction:column;gap:16px}.msg{display:flex}.msg.user{justify-content:flex-end}.msg .bubble{max-width:min(680px,82%);padding:12px 15px;border-radius:14px;border:1px solid var(--border)}.msg.user .bubble{background:linear-gradient(135deg,var(--primary),var(--primary-2));border-color:transparent;color:#06101f;font-weight:600}.msg.user .user-text{margin:0;white-space:pre-wrap}.msg.assistant .bubble{background:var(--surface)}.md>:first-child{margin-top:0}.md>:last-child{margin-bottom:0}.md p{margin:0 0 8px;line-height:1.6}.md ul{margin:8px 0;padding-left:20px}.md li{margin:4px 0;line-height:1.55}.md code{background:#0d1526;border:1px solid var(--border);padding:1px 5px;border-radius:6px;font-size:.85em}.md em{color:var(--muted)}.citations{margin-top:10px;padding-top:10px;border-top:1px dashed var(--border);display:flex;flex-wrap:wrap;gap:6px;align-items:center}.cite-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-right:2px}.cite{display:inline-flex;align-items:center;gap:5px;font-size:.76rem;padding:3px 9px;border-radius:999px;background:#3b82f61f;border:1px solid rgba(59,130,246,.3);color:#bfdbfe;cursor:default}.cite b{display:inline-grid;place-items:center;width:15px;height:15px;border-radius:50%;background:var(--primary);color:#06101f;font-size:.68rem}.chat-empty{margin:auto;text-align:center;max-width:460px;display:flex;flex-direction:column;align-items:center;gap:10px}.chat-empty-badge{font-size:2.4rem}.chat-empty h2{margin:0}.samples{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:8px}.sample{padding:8px 13px;font-size:.85rem;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:999px;cursor:pointer}.sample:hover:not(:disabled){border-color:var(--primary)}.sample:disabled{opacity:.5;cursor:default}.typing{display:inline-flex;gap:4px;padding:2px 0}.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite ease-in-out both}.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.2}40%{opacity:1}}.ask-form{display:flex;gap:10px;align-items:flex-end;padding:14px clamp(16px,5vw,48px);border-top:1px solid var(--border);background:#111a2e80}.ask-form textarea{flex:1;max-height:160px;min-height:44px;resize:none;padding:11px 14px;background:#0d1526;border:1px solid var(--border);border-radius:12px;color:var(--text);font:inherit;outline:none}.ask-form textarea:focus{border-color:var(--primary)}.ask-form .btn{height:44px}.alert.small{font-size:.8rem;padding:8px 10px}@media(max-width:820px){.workspace{grid-template-columns:1fr;height:auto}.sidebar{border-right:none;border-bottom:1px solid var(--border);max-height:46vh}.msg .bubble{max-width:90%}}