:root{--bg:#0f1117;--panel:#171a23;--panel2:#1e222e;--line:#2a2f3d;--ink:#e6e9f0;--mut:#8b93a7;--brand:#6366f1;--brand2:#818cf8;--good:#34d399;--warn:#fbbf24;--bad:#f87171;--radius:12px}*{box-sizing:border-box}html,body,#app{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.55}a{color:var(--brand2);text-decoration:none}button{font:inherit;cursor:pointer;border:0;border-radius:8px;padding:9px 16px;background:var(--brand);color:#fff;font-weight:600;transition:filter .15s}button:hover{filter:brightness(1.08)}button.ghost{background:var(--panel2);color:var(--ink);border:1px solid var(--line)}button.sm{padding:5px 10px;font-size:12px;border-radius:6px}input,textarea,select{font:inherit;background:var(--panel2);border:1px solid var(--line);color:var(--ink);border-radius:8px;padding:9px 11px;width:100%;outline:none}input:focus,textarea:focus{border-color:var(--brand)}label{display:block;font-size:12px;color:var(--mut);margin:0 0 5px;font-weight:600;letter-spacing:.02em}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.muted{color:var(--mut)}.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11px;font-weight:700;background:var(--panel2);border:1px solid var(--line);color:var(--mut)}.pill.lock{color:var(--warn);border-color:#4a3f1e}.err{color:var(--bad);font-size:13px;margin-top:8px}.row{display:flex;gap:12px;align-items:center}.top{height:56px;display:flex;align-items:center;gap:14px;padding:0 18px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.brand{display:flex;align-items:center;gap:9px;font-weight:800;letter-spacing:-.01em}.brand .dot{width:22px;height:22px;border-radius:6px;background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:0 0 0 3px #6366f126}.spacer{flex:1}.auth-wrap{min-height:100%;display:grid;place-items:center;padding:40px 16px;background:radial-gradient(1200px 500px at 50% -10%,rgba(99,102,241,.14),transparent)}.auth-card{width:100%;max-width:380px}.auth-card h1{margin:0 0 4px;font-size:22px}.field{margin-bottom:13px}.demo{margin-top:14px;font-size:12px;color:var(--mut);text-align:center}.chat{display:grid;grid-template-columns:250px 1fr;height:calc(100vh - 56px)}.side{background:var(--panel);border-right:1px solid var(--line);overflow:auto;padding:12px}.side h4{margin:14px 8px 6px;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--mut)}.rm{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;cursor:pointer;color:var(--ink)}.rm:hover{background:var(--panel2)}.rm.active{background:var(--brand);color:#fff}.rm .hash{opacity:.6;font-weight:700}.main{display:flex;flex-direction:column;min-width:0}.mhead{height:52px;display:flex;align-items:center;gap:10px;padding:0 18px;border-bottom:1px solid var(--line)}.stream{flex:1;overflow:auto;padding:18px}.msg{display:flex;gap:10px;padding:7px 0}.av{width:34px;height:34px;border-radius:9px;flex:none;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(135deg,#6366f1,#a855f7)}.msg .who{font-weight:700;font-size:13px}.msg .tm{color:var(--mut);font-size:11px;margin-left:6px}.msg .body{margin-top:2px;word-break:break-word}.compose{border-top:1px solid var(--line);padding:12px 18px;display:flex;gap:10px}.compose input{flex:1}.status{font-size:11px;padding:2px 8px;border-radius:999px}.status.on{color:var(--good)}.status.off{color:var(--bad)}.container{max-width:900px;margin:26px auto;padding:0 18px}.grid{display:grid;gap:14px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);font-size:13px}th{color:var(--mut);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.05em}code{background:var(--panel2);border:1px solid var(--line);border-radius:5px;padding:1px 6px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}