:root{--bg:#f5f6f8;--panel:#fff;--text:#1d2330;--muted:#6b7385;--line:#e3e6ec;--accent:#2f6fde;--accent-soft:#e8f0fd;--warn:#9a6200;--warn-soft:#fff4dc;--error:#b42318;--error-soft:#fdecea;--ok:#1e7f4f;font-family:Pretendard,Apple SD Gothic Neo,Noto Sans KR,system-ui,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);margin:0}main{justify-content:center;height:100dvh;display:flex}button{font:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.sr-only{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.chat{background:var(--panel);border-left:1px solid var(--line);border-right:1px solid var(--line);flex-direction:column;width:100%;max-width:760px;display:flex}.chat-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;display:flex}.chat-header h1{margin:0;font-size:18px}.subtitle{color:var(--muted);margin:4px 0 0;font-size:13px}.btn-secondary{border:1px solid var(--line);background:var(--panel);white-space:nowrap;border-radius:8px;flex-shrink:0;padding:8px 14px}.btn-secondary:hover{background:var(--bg)}.messages{flex-direction:column;flex:1;gap:12px;padding:20px;display:flex;overflow-y:auto}.empty{text-align:center;color:var(--muted);margin:auto 0}.empty .candidates{justify-content:center}.scope{margin-top:16px;font-size:13px}.bubble{border-radius:14px;max-width:88%;padding:12px 14px;font-size:15px;line-height:1.55}.bubble-user{background:var(--accent);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.bubble-assistant{background:var(--bg);border:1px solid var(--line);border-bottom-left-radius:4px;align-self:flex-start;width:88%}.bubble-error{background:var(--error-soft);border-color:#f5c2bd}.answer{white-space:pre-wrap;margin:0}.thinking{color:var(--muted);font-size:14px}.error-code{color:var(--error);margin:8px 0 0;font-size:12px}.badge{border-radius:999px;margin-bottom:6px;padding:2px 8px;font-size:12px;font-weight:600;display:inline-block}.badge-warn{background:var(--warn-soft);color:var(--warn)}.badge-error{color:var(--error);background:#fff;border:1px solid #f5c2bd}.badge-muted{color:var(--muted);background:#eceef2}.candidates{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.chip{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:999px;padding:6px 12px;font-size:13px}.chip:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.steps{flex-direction:column;gap:4px;margin:8px 0 0;padding:0;font-size:13px;list-style:none;display:flex}.step{color:var(--muted);align-items:baseline;gap:8px;display:flex}.step-icon{text-align:center;width:14px}.step-running .step-icon{color:var(--accent);animation:1s ease-in-out infinite pulse}.step-done .step-icon{color:var(--ok)}.step-error .step-icon{color:var(--error);font-weight:700}.step-label{color:var(--text)}.step-detail{flex:1}.step-ms{font-variant-numeric:tabular-nums;font-size:12px}@keyframes pulse{50%{opacity:.3}}.trace{color:var(--muted);margin-top:10px;font-size:13px}.trace summary{cursor:pointer}.weather-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-top:10px;padding:12px 14px}.weather-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.weather-location{color:var(--muted);font-size:13px}.weather-condition{margin-top:2px;font-size:18px;font-weight:600}.weather-temp{font-variant-numeric:tabular-nums;text-align:right;font-size:30px;font-weight:700}.weather-feel{color:var(--muted);font-size:12px;font-weight:500;display:block}.weather-rows{grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:8px;margin:12px 0 0;display:grid}.weather-rows div{background:var(--bg);border-radius:8px;padding:6px 10px}.weather-rows dt{color:var(--muted);font-size:12px}.weather-rows dd{font-variant-numeric:tabular-nums;margin:2px 0 0;font-size:14px;font-weight:500}.weather-missing{color:var(--warn);margin:8px 0 0;font-size:12px}.weather-source{color:var(--muted);margin:10px 0 0;font-size:12px}.composer{border-top:1px solid var(--line);gap:8px;padding:12px 16px;display:flex}.composer input{font:inherit;border:1px solid var(--line);border-radius:10px;outline:none;flex:1;padding:10px 12px;font-size:15px}.composer input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.composer button{background:var(--accent);color:#fff;border:0;border-radius:10px;padding:0 18px;font-weight:600}@media (max-width:600px){.chat{border:0}.bubble{max-width:100%}.bubble-assistant{width:100%}}