:root{--bg:#1a1412;--surface:#241a1d;--surface-2:#2e2124;--border:#3a2c30;--text:#efe6e2;--text-dim:#a89a94;--accent:#c98b6b;--accent-press:#b87a5b;--on-accent:#2a1712;--danger:#e5827a;--radius:16px;--font-serif:ui-serif,"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased}.app{max-width:720px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;padding:env(safe-area-inset-top) 16px calc(env(safe-area-inset-bottom) + 8px)}header.bar{display:flex;align-items:center;justify-content:space-between;padding:14px 2px 10px;position:-webkit-sticky;position:sticky;top:0;background:linear-gradient(var(--bg) 80%,transparent);z-index:5}.brand{font-family:var(--font-serif);font-weight:600;letter-spacing:.3px;font-size:20px}.brand span{color:var(--text)}.linkbtn{background:none;border:none;color:var(--text-dim);font-size:15px;cursor:pointer;padding:6px 8px}.stream{flex:1 1;display:flex;flex-direction:column;gap:14px;padding-bottom:12px}.empty{color:var(--text-dim);text-align:center;margin:auto 0;padding:40px 16px}.empty h2{color:var(--text);font-family:var(--font-serif);font-weight:600;font-size:21px;margin-bottom:10px}.bubble{border-radius:var(--radius);padding:14px 16px;white-space:pre-wrap;word-wrap:break-word;animation:rise .25s ease}.bubble.user{align-self:flex-end;background:var(--accent);color:var(--on-accent);max-width:85%;border-bottom-right-radius:4px}.bubble.ai{align-self:flex-start;background:var(--surface);border:1px solid var(--border);max-width:95%;border-bottom-left-radius:4px}.themes{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.chip{font-size:12px;color:var(--text-dim);background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:3px 9px}.thinking{display:inline-flex;gap:5px;align-items:center}.thinking i{width:7px;height:7px;border-radius:50%;background:var(--text-dim);animation:blink 1.2s ease-in-out infinite}.thinking i:nth-child(2){animation-delay:.2s}.thinking i:nth-child(3){animation-delay:.4s}.composer{position:-webkit-sticky;position:sticky;bottom:0;display:flex;gap:8px;align-items:flex-end;padding:8px 0 4px;background:linear-gradient(transparent,var(--bg) 25%)}textarea{flex:1 1;resize:none;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;font:inherit;max-height:160px;outline:none}textarea:focus{border-color:var(--accent)}.send{background:var(--accent);color:var(--on-accent);border:none;border-radius:50%;width:46px;height:46px;flex:0 0 46px;font-size:20px;cursor:pointer;display:grid;place-items:center;transition:background .15s,transform .1s}.send:active{background:var(--accent-press);transform:scale(.94)}.send:disabled{opacity:.4;cursor:default}.notice{font-size:13px;color:var(--text-dim);text-align:center;padding:6px 0}.login{min-height:100dvh;display:grid;place-items:center;padding:24px}.card{width:100%;max-width:360px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;text-align:center}.card h1{margin:0 0 6px;font-family:var(--font-serif);font-weight:600;font-size:26px;letter-spacing:.3px}.card p{color:var(--text-dim);margin:0 0 20px;font-size:14px}.card input{width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:13px 14px;color:var(--text);font:inherit;margin-bottom:12px;outline:none}.card input:focus{border-color:var(--accent)}.card button{width:100%;background:var(--accent);color:var(--on-accent);border:none;border-radius:12px;padding:13px;font:inherit;font-weight:600;cursor:pointer}.error{color:var(--danger);font-size:14px;min-height:20px;margin-top:4px}@keyframes rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@keyframes blink{0%,80%,to{opacity:.3}40%{opacity:1}}