:root{--bg:#0f172a;--green:#16a34a;--amber:#d97706;--red:#dc2626}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,system-ui,sans-serif;background:#f1f5f9;color:#0f172a}.app{max-width:480px;margin:0 auto;min-height:100vh;background:#fff;padding-bottom:64px}.header{padding:14px 16px;font-weight:700}.screen{padding:0 16px}input,button{font-size:16px}.ask-row{display:flex;gap:8px;margin:8px 0 16px}.ask-row input{flex:1;padding:10px;border:1px solid #cbd5e1;border-radius:10px}.ask-row button,.btn{background:var(--bg);color:#fff;border:none;border-radius:10px;padding:10px 14px}.banner{border-radius:12px;padding:10px 12px;font-weight:700;margin:10px 0}.cat{font-size:12px;color:#64748b;font-weight:700;letter-spacing:.5px;margin:14px 0 6px}.metric{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid #eee;cursor:pointer}.metric .val{font-weight:700}.metric .exp,.exp{font-size:12px;color:#475569;padding:0 0 10px}.narrative{margin-top:18px;font-size:14px;color:#334155;line-height:1.5}.narrative h1,.narrative h2,.narrative h3{font-size:15px;margin:14px 0 4px}.narrative p{margin:6px 0}.narrative ul{margin:6px 0;padding-left:20px}.narrative li{margin:2px 0}.nav{position:fixed;bottom:0;left:0;right:0;max-width:480px;margin:0 auto;display:flex;border-top:1px solid #e2e8f0;background:#fff}.nav a{flex:1;text-align:center;padding:12px;text-decoration:none;color:#94a3b8;font-weight:600}.nav a.active{color:var(--bg)}.jrow{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid #eee;cursor:pointer}.linklike{background:none;border:none;color:#2563eb;font-weight:600;float:right;cursor:pointer;padding:0;font-size:14px}.metrics-toggle{background:none;border:none;color:#334155;font-weight:700;font-size:12px;cursor:pointer;padding:6px 0}.workspace{display:flex;flex-direction:column}.panel{position:sticky;top:0;background:#fff;z-index:5;border-bottom:1px solid #e2e8f0;padding-bottom:8px}.chat{display:flex;flex-direction:column}.thread{padding:10px 0 4px}.bubble{max-width:88%;padding:8px 12px;border-radius:14px;margin:6px 0;font-size:14px;line-height:1.45}.bubble.user{background:var(--bg);color:#fff;margin-left:auto;border-bottom-right-radius:4px}.bubble.assistant{background:#f1f5f9;color:#0f172a;margin-right:auto;border-bottom-left-radius:4px}.bubble.assistant h1,.bubble.assistant h2,.bubble.assistant h3{font-size:14px;margin:8px 0 4px}.bubble.assistant p{margin:5px 0}.bubble.assistant ul{margin:5px 0;padding-left:18px}.chat-input{position:sticky;bottom:64px;background:#fff;display:flex;gap:8px;padding:8px 0;border-top:1px solid #e2e8f0}.chat-input input{flex:1;padding:10px;border:1px solid #cbd5e1;border-radius:20px}.chat-input button{background:var(--bg);color:#fff;border:none;border-radius:50%;width:42px}@media (min-width:720px){.app{max-width:920px}.workspace{flex-direction:row;gap:16px;align-items:flex-start}.panel{width:40%;border-bottom:none;border-right:1px solid #e2e8f0;padding-right:14px}.chat{flex:1}}