:root{--ink:#0c1220;--panel:#121a2c;--panel-soft:#182238;--line:rgba(227,179,76,.18);--gold:#e3b34c;--gold-dim:#b58a35;--text:#e9edf5;--dim:#8a94a8;--user:#1d2a45}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--ink);color:var(--text);font-family:Inter,system-ui,sans-serif}.sg{font-family:Space Grotesk,Inter,sans-serif}.mono{font-family:Space Mono,ui-monospace,monospace}.dim{color:var(--dim)}.gold{color:var(--gold)}.tiny{font-size:11px}.center{text-align:center}.fade-in{animation:fi .25s ease-out}@keyframes fi{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.fade-in{animation:none}}button:focus-visible,input:focus,textarea:focus{outline:2px solid var(--gold);outline-offset:2px}::placeholder{color:var(--dim);opacity:.7}.shell{min-height:100vh;display:flex;flex-direction:column;align-items:center}.gate{justify-content:center;padding:16px}.gate-card{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:28px;text-align:center}.gate-sub{color:var(--dim);font-size:14px;margin:12px 0 20px}.gate-row{display:flex;gap:8px}.gate-row input{flex:1 1;background:var(--ink);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:14px}.gate-err{color:var(--gold);font-size:13px;margin-top:12px}.gate-card .tiny{color:var(--dim);margin-top:18px}.topbar{width:100%;display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:baseline;gap:12px}.wordmark{color:var(--gold);font-weight:700;font-size:20px;letter-spacing:-.02em}.ribbon{width:100%;text-align:center;padding:8px 16px;background:var(--panel);color:var(--dim);font-size:11px;border-bottom:1px solid var(--line)}.chat{width:100%;max-width:680px;flex:1 1;display:flex;flex-direction:column;padding:24px 16px}.intro h1{font-size:24px;font-weight:700;margin:0 0 8px}.intro p{font-size:14px;margin:0 0 20px}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.chip{font-size:13px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--panel);color:var(--text);cursor:pointer}.chip:hover{border-color:var(--gold-dim)}.thread{flex:1 1;flex-direction:column;gap:16px}.row,.thread{display:flex}.row.right{justify-content:flex-end}.row.left{justify-content:flex-start}.bubble{max-width:100%;border-radius:10px;padding:12px 16px;font-size:14px;line-height:1.6;white-space:pre-wrap;border:1px solid var(--line)}.bubble.user{background:var(--user)}.bubble.assistant{background:var(--panel)}.stamp{font-size:10px;margin-top:8px}.stamp.gold{color:var(--gold)}.stamp.dim{color:var(--dim)}.errbox{border:1px solid var(--gold);color:var(--gold);border-radius:10px;padding:12px 16px;font-size:14px}.composer{display:flex;gap:8px;align-items:flex-end;margin-top:24px}.composer textarea{flex:1 1;resize:none;background:var(--panel-soft);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:12px 16px;font-size:14px;font-family:inherit}.btn-gold{background:var(--gold);color:var(--ink);border:none;border-radius:10px;padding:12px 20px;font-size:14px;font-weight:500;cursor:pointer}.btn-gold:disabled{background:var(--gold-dim);opacity:.6;cursor:default}.foot{margin-top:12px}