:root{color-scheme:dark;--background:#0a0d12;--surface:#111720;--surface-strong:#182230;--border:#283446;--text:#e8eef7;--muted:#91a0b5;--accent:#63e6be;--warning:#ffd166;font-family:Inter,ui-sans-serif,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top,#132033,var(--background) 55%);color:var(--text)}button,textarea{font:inherit}button{cursor:pointer}.shell{min-height:100vh;display:grid;grid-template-columns:280px 1fr}.sidebar{border-right:1px solid var(--border);padding:28px 22px;background:rgba(10,13,18,.78)}.brand{letter-spacing:.2em;font-size:14px;color:var(--accent);margin-bottom:44px}.sidebar h2{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}.status{padding:14px;border:1px solid var(--border);border-radius:12px;background:var(--surface);margin-top:20px}.status strong{display:block;margin-bottom:6px}.status span{color:var(--muted);font-size:13px}.main{max-width:980px;width:100%;margin:0 auto;padding:42px 34px;display:flex;flex-direction:column;min-height:100vh}.header{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.eyebrow{color:var(--accent);font-size:12px;letter-spacing:.12em;text-transform:uppercase}h1{margin:8px 0;font-size:clamp(28px,4vw,44px)}.subtitle{color:var(--muted);margin:0}.pill{border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:8px 12px;color:var(--warning);font-size:12px;white-space:nowrap}.conversation{flex:1 1;display:flex;flex-direction:column;justify-content:flex-end;gap:16px;padding:44px 0 24px}.empty{border:1px dashed var(--border);padding:26px;color:var(--muted)}.empty,.message{border-radius:16px}.message{max-width:78%;padding:16px 18px;line-height:1.55;white-space:pre-wrap}.message.user{align-self:flex-end;background:var(--surface-strong)}.message.assistant{align-self:flex-start;background:rgba(17,23,32,.75)}.composer,.message.assistant{border:1px solid var(--border)}.composer{display:flex;gap:12px;align-items:flex-end;background:rgba(17,23,32,.95);padding:12px;border-radius:16px}textarea{flex:1 1;resize:vertical;min-height:54px;max-height:180px;border:0;outline:0;background:transparent;color:var(--text);padding:10px}.composer button{border:0;border-radius:10px;padding:12px 18px;background:var(--accent);color:#06251d;font-weight:700}.composer button:disabled{opacity:.5;cursor:not-allowed}.taskline{color:var(--muted);font-size:13px;min-height:20px;display:flex;justify-content:space-between;gap:12px;align-items:center}.cancel{border:1px solid #7f3341;border-radius:8px;padding:6px 10px;background:transparent;color:#ff9aa9;font-size:12px}@media (max-width:760px){.shell{grid-template-columns:1fr}.sidebar{display:none}.main{padding:28px 18px}.message{max-width:92%}}