:root{--bg:#0b0f17;--panel:#111827;--panel2:#0f172a;--border:rgba(255,255,255,.08);--text:#e5e7eb;--muted:#9ca3af;--brand:#60a5fa;--user:#22c55e;--danger:#ef4444;--shadow: 0 10px 30px rgba(0,0,0,.35);--radius: 16px}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:radial-gradient(1200px 800px at 15% 10%,rgba(96,165,250,.15),transparent 60%),radial-gradient(900px 600px at 85% 20%,rgba(34,197,94,.12),transparent 55%),var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";line-height:1.5;font-size:12px;font-weight:300}body.page-about{overflow:hidden}body.page-about .shell{height:100vh;height:100dvh;display:flex;flex-direction:column}body.page-about .card.about{flex:1 1 auto;overflow:hidden}body.page-about .about__content{height:100%;overflow:auto;-webkit-overflow-scrolling:touch}.shell{max-width:980px;margin:0 auto;padding:24px 18px 42px}.topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}.brand__title{font-weight:300;font-size:22px;letter-spacing:.2px}.brand__subtitle{margin-top:4px;color:var(--muted);font-size:13px}.about-link{display:flex;justify-content:center;margin:14px 0 0;font-size:13px}.about-link a{color:var(--muted);text-decoration:none;border-bottom:1px dashed rgba(255,255,255,.18);padding-bottom:2px}.about-link a:hover{color:var(--text);border-bottom-color:#ffffff59}.card{border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.messages{padding:18px 18px 8px;min-height:52vh;max-height:70vh;overflow:auto}.chat--empty .messages,.chat--empty #resetBtn{display:none}.chat--empty .card{min-height:56vh;display:flex;flex-direction:column;justify-content:center;box-shadow:none}.chat--empty .composer{border-top:none;padding:18px 12px}.chat--empty .status{display:none}.about .about__content{padding:2.3em;color:#e5e7ebe6}.about h2{margin:16px 0 8px;font-size:1.6em;font-weight:300;color:#93c5fdfa;letter-spacing:.2px}.about h2:first-child{margin-top:0}.about p{margin:0 0 24px;color:#e5e7ebd9;font-size:1.2em}.about ul{margin:0 0 10px;color:#e5e7ebd9;font-size:1.25em}.about ul li::marker{color:#4ade80f2}.about code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:12px;padding:2px 6px;border-radius:8px;background:#00000038;border:1px solid rgba(255,255,255,.06)}.about__foot{margin:14px 0 0;color:var(--muted);font-size:13px}.bubble{display:flex;gap:10px;margin:10px 0}.bubble__badge{flex:0 0 auto;width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;background:#ffffff0a;color:var(--muted)}.bubble__badge--user{color:var(--user)}.bubble__badge--assistant{color:var(--brand)}.bubble__content{max-width:820px;padding:12px;border-radius:14px;background:#ffffff08;white-space:pre-wrap;word-wrap:break-word;font-size:1.2em}.bubble--draft .bubble__content{opacity:.55;transition:opacity .2s ease}.bubble__pending{margin-top:10px;opacity:.65}.bubble__pending .typing-dots{height:12px}.bubble__pending .typing-dots span{width:5px;height:5px}.bubble--typing .bubble__content{padding:14px}.typing-dots{display:flex;align-items:center;gap:6px;height:14px}.typing-dots span{width:6px;height:6px;border-radius:999px;background:#e5e7ebd9;opacity:.35;animation:typingDot 1.2s infinite ease-in-out}.typing-dots span:nth-child(2){animation-delay:.15s}.typing-dots span:nth-child(3){animation-delay:.3s}@keyframes typingDot{0%,80%,to{transform:translateY(0);opacity:.3}40%{transform:translateY(-3px);opacity:.95}}.bubble--user{justify-content:flex-end}.bubble--user .bubble__content{background:#22c55e14;border-color:#22c55e38}.bubble--assistant .bubble__content{background:#60a5fa14;border-color:#60a5fa38}.composer{display:flex;gap:10px;padding:12px}.composer__input{flex:1 1 auto;padding:14px 12px;border-radius:12px;border:0;outline:none;background:#0000002e;color:var(--text)}.composer__input:focus{border-color:#60a5fa73;box-shadow:0 0 0 3px #60a5fa1f}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border-radius:10px;padding:8px 14px;color:var(--text);background:#ffffff0f;cursor:pointer;border:0}.btn:disabled{opacity:.6;cursor:not-allowed}.btn--primary{background:#60a5fa2e;border-color:#60a5fa59}.btn--ghost{background:transparent}.status{padding:10px 14px 14px;color:var(--muted);font-size:13px;min-height:18px}.status--error{color:var(--danger)}