:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#12100e;--panel:#1b1815;--line:#2c2723;--text:#ece6df;--muted:#9b9188;--accent:#c9a227}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font:16px/1.6 -apple-system,Segoe UI,PingFang SC,Hiragino Sans,sans-serif}.app{flex-direction:column;gap:12px;max-width:720px;min-height:100dvh;margin:0 auto;padding:16px;display:flex}.app-center{justify-content:center}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px}.auth{flex-direction:column;gap:14px;display:flex}.auth h1{letter-spacing:.06em;margin:0;font-size:20px}.auth label{color:var(--muted);flex-direction:column;gap:6px;font-size:13px;display:flex}.header-actions{align-items:center;gap:8px;display:flex}button.link{color:var(--muted);background:0 0;border:none;padding:4px;font-weight:400;text-decoration:underline}.error{color:#f0a0a0;margin:0;font-size:13px}.header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding-bottom:12px;display:flex}.header strong{letter-spacing:.08em;display:block}.muted{color:var(--muted);font-size:13px}.small{font-size:12px}.transcript{flex-direction:column;flex:1;gap:10px;display:flex;overflow-y:auto}.bubble{white-space:pre-wrap;border-radius:14px;max-width:88%;margin:0;padding:10px 14px}.bubble-user{background:#2a2520;align-self:flex-end}.bubble-assistant{background:var(--panel);border:1px solid var(--line);align-self:flex-start}.bubble-error{color:#f0a0a0;align-self:center;font-size:13px}.composer{border-top:1px solid var(--line);flex-direction:column;gap:8px;padding-top:12px;display:flex}.composer form{gap:8px;display:flex}input,select,button{font:inherit;color:inherit;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 12px}input{flex:1}button{background:var(--accent);color:#1a1509;border-color:var(--accent);font-weight:600}button:disabled{opacity:.45}