:root{--bg:#f2efe7;--surface:#fff;--surface-2:#fbf9f3;--hairline:#e4dfd2;--sand:#f6ecd9;--sand-strong:#e6d3ae;--sand-text:#7d5b22;--t1:#23303a;--t2:#54626d;--t3:#78848e;--accent:#3368a0;--accent-ink:#27527e;--accent-soft:#e3ebf4;--accent-2:#66a3bf;--ok:#2e6357;--ok-soft:#c8dfdb;--warn:#9a6f2e;--warn-soft:#f6ecd9;--info:#377089;--info-soft:#e6f0f4;--plum:#7a8fb0;--sidebar-w:224px;--pad:22px;--r-lg:18px;--r-md:14px;--r-sm:10px;--shadow:0 1px 3px #23303a12;--shadow-lift:0 4px 16px #23303a1a;--font:ui-sans-serif, -apple-system, "Segoe UI", Inter, "Helvetica Neue", sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--t1);font-family:var(--font);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-size:14px;line-height:1.5}a{color:var(--accent-ink);text-decoration:none}a:hover{text-decoration:underline}.shell{grid-template-columns:var(--sidebar-w) 1fr;align-items:start;gap:16px;min-height:100vh;padding:16px;display:grid}.sidebar{gap:12px;display:grid;position:sticky;top:16px}.brand{background:var(--surface);border-radius:var(--r-lg);padding:18px var(--pad);box-shadow:var(--shadow);font-size:15px;font-weight:650}.brand-row{align-items:center;gap:10px;display:flex}.brand-mark{flex:none;width:52px;height:auto;margin-top:1px}.brand-sub{background:var(--ok-soft);color:var(--ok);border-radius:var(--r-sm);margin-top:12px;padding:8px 12px;font-size:12px;font-weight:600}.nav{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:10px}.nav-item{border-radius:var(--r-sm);color:var(--t2);cursor:pointer;align-items:center;gap:10px;padding:9px 12px;font-weight:550;display:flex}.nav-item:hover{background:var(--bg);text-decoration:none}.nav-item.active{background:var(--accent-soft);color:var(--accent-ink);font-weight:650}.nav-item .bullet{opacity:.5;background:currentColor;border-radius:50%;width:7px;height:7px}.nav-item.active .bullet{opacity:1}.nav-label{letter-spacing:.09em;text-transform:uppercase;color:var(--t3);padding:14px 12px 6px;font-size:10.5px;font-weight:700}.main{gap:14px;min-width:0;display:grid}.topbar{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:14px var(--pad);justify-content:space-between;align-items:center;gap:16px;display:flex}.notice{background:var(--sand);border-radius:var(--r-lg);padding:14px var(--pad);color:var(--sand-text);justify-content:space-between;align-items:center;gap:10px;font-size:13px;display:flex}.card{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:var(--pad)}.card-head{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.card-head h2{margin:0;font-size:16px;font-weight:650}h1{letter-spacing:-.01em;margin:0 0 4px;font-size:28px;font-weight:680}.muted{color:var(--t2)}.faint{color:var(--t3)}.small{font-size:12px}.btn{cursor:pointer;background:var(--accent);color:#fff;border:0;border-radius:999px;padding:10px 18px;font-family:inherit;font-size:13px;font-weight:650}.btn:hover{background:var(--accent-ink)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.ghost{color:var(--accent-ink);background:0 0;padding:8px 12px}.btn.ghost:hover{background:var(--accent-soft)}.input,.textarea,.select{width:100%;color:var(--t1);background:var(--surface-2);border:1px solid var(--hairline);border-radius:var(--r-md);outline:none;padding:11px 14px;font-family:inherit;font-size:14px}.input:focus,.textarea:focus,.select:focus{border-color:var(--accent);background:#fff}.textarea{resize:vertical;min-height:52px}label.field{color:var(--t2);gap:6px;font-size:12px;font-weight:600;display:grid}.badge{white-space:nowrap;border-radius:999px;align-items:center;gap:5px;padding:3px 10px;font-size:11px;font-weight:650;display:inline-flex}.badge.ok{background:var(--ok-soft);color:var(--ok)}.badge.warn{background:var(--warn-soft);color:var(--sand-text)}.badge.esc{background:var(--accent-soft);color:var(--accent-ink)}.badge.info{background:var(--info-soft);color:var(--info)}.badge.neutral{background:var(--bg);color:var(--t2)}.stat-row{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;display:grid}.stat{background:var(--surface);border-radius:var(--r-md);box-shadow:var(--shadow);padding:16px 18px}.stat .n{letter-spacing:-.02em;font-size:26px;font-weight:680}.stat .l{color:var(--t2);margin-top:2px;font-size:12px}.chat{grid-template-rows:1fr auto;gap:14px;min-height:60vh;display:grid}.thread{align-content:start;gap:14px;display:grid}.msg{gap:8px;max-width:780px;display:grid}.msg.user{justify-self:end}.bubble{border-radius:var(--r-md);white-space:pre-wrap;overflow-wrap:anywhere;padding:12px 16px}.msg.user .bubble{background:var(--accent);color:#fff;border-bottom-right-radius:4px}.msg.bot .bubble{background:var(--surface);box-shadow:var(--shadow);border-bottom-left-radius:4px}.cites{gap:6px;display:grid}.cite{background:var(--surface-2);border:1px solid var(--hairline);border-radius:var(--r-sm);flex-wrap:wrap;align-items:center;gap:8px;padding:8px 12px;font-size:12px;display:flex}.cite .t{font-weight:600}.guard{background:var(--warn-soft);border-radius:var(--r-sm);color:var(--sand-text);padding:9px 12px;font-size:12px}.composer{align-items:flex-end;gap:10px;display:flex}.empty{color:var(--t2);place-items:start;gap:10px;padding:8px 0;display:grid}.chips{flex-wrap:wrap;gap:8px;display:flex}.chip{background:var(--surface);border:1px solid var(--hairline);cursor:pointer;color:var(--t1);border-radius:999px;padding:8px 14px;font-size:12.5px}.chip:hover{border-color:var(--accent);color:var(--accent-ink)}.table{border-collapse:collapse;width:100%;font-size:13px}.table th{text-align:left;text-transform:uppercase;letter-spacing:.06em;color:var(--t3);border-bottom:1px solid var(--hairline);padding:8px 10px;font-size:11px;font-weight:700}.table td{border-bottom:1px solid var(--hairline);vertical-align:top;padding:11px 10px}.table tr:last-child td{border-bottom:0}.scroll-x{overflow-x:auto}@media (max-width:860px){.shell{grid-template-columns:1fr}.sidebar{position:static}}.login-wrap{place-items:center;min-height:100vh;padding:24px;display:grid}.login-card{width:100%;max-width:380px;padding:28px}.login-card h1{font-size:21px}.drawer-scrim{z-index:50;background:#23303a4d;justify-content:flex-end;animation:.16s ease-out drawer-fade;display:flex;position:fixed;inset:0}.drawer{background:var(--surface);flex-direction:column;width:min(760px,100%);height:100%;animation:.22s cubic-bezier(.2,.8,.3,1) drawer-in;display:flex;box-shadow:-18px 0 48px #23303a2e}@keyframes drawer-fade{0%{opacity:0}to{opacity:1}}@keyframes drawer-in{0%{transform:translate(28px)}to{transform:none}}@media (prefers-reduced-motion:reduce){.drawer-scrim,.drawer{animation:none}}.drawer-head{border-bottom:1px solid var(--hairline);flex:none;justify-content:space-between;align-items:flex-start;gap:14px;padding:20px 24px 16px;display:flex}.drawer-body{flex:auto;padding:20px 24px 28px;overflow-y:auto}.drawer-foot{border-top:1px solid var(--hairline);background:var(--surface-2);flex:none;padding:12px 24px}.doc-body{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--t1);font-size:14px;line-height:1.65}.doc-body mark{background:var(--sand);color:inherit;box-shadow:inset 0 -1px 0 var(--sand-strong);border-radius:3px;padding:1px 0}.linklike{font:inherit;color:var(--accent-ink);cursor:pointer;text-align:left;background:0 0;border:0;padding:0}.linklike:hover{text-decoration:underline}.preview-bar{border-radius:var(--r-lg);background:var(--sand);border:1px solid var(--sand-strong);color:var(--sand-text);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-bottom:16px;padding:11px 16px;font-size:13px;display:flex}.preview-bar strong{font-weight:700}