:root{--q-blue: #2e6be6;--q-deep: #1a4fd6;--q-grad: linear-gradient(135deg, #3d7fff, #1a55e8);--ink: #1b3a5c;--sub: #7a93ad;--bg: #f4f8fc;--card: #ffffff;--line: #e3edf6;--ok: #2ecc71;--err: #e74c3c}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,sans-serif;background:var(--bg);color:var(--ink)}.app{display:flex;flex-direction:column;height:100%}.topbar{display:flex;align-items:center;gap:14px;padding:10px 22px;background:var(--card);border-bottom:1px solid var(--line);box-shadow:0 2px 12px #2468f20f}.logo{height:44px}.spacer{flex:1}.status{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--sub)}.status .dot{width:9px;height:9px;border-radius:50%;background:#c3d2e0}.status.on .dot{background:var(--ok);box-shadow:0 0 0 4px #2ecc712e;animation:pulse 1.4s infinite}@keyframes pulse{50%{box-shadow:0 0 0 7px #2ecc7114}}.meter{width:90px;height:8px;border-radius:4px;background:var(--line);overflow:hidden}.meter-fill{height:100%;background:var(--q-grad);transition:width .08s}.chip{font-size:12px;color:var(--q-deep);background:#2468f214;border:1px solid rgba(36,104,242,.18);padding:3px 10px;border-radius:999px}.stage{flex:1;display:flex;gap:18px;padding:18px 22px;min-height:0}.canvas-wrap{position:relative;background:var(--card);border-radius:16px;border:1px solid var(--line);box-shadow:0 10px 30px #1b3a5c12;padding:14px;align-self:flex-start}canvas{display:block;border-radius:10px;border:1px dashed #d7e6f3}.overlay{position:absolute;top:14px;right:14px;bottom:14px;left:14px;border-radius:10px;background:#fffffff5;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:0 60px}.overlay h1{font-size:30px;background:var(--q-grad);-webkit-background-clip:text;background-clip:text;color:transparent}.overlay p{color:var(--sub);font-size:15px}.overlay small{color:var(--sub)}button.primary{border:0;cursor:pointer;color:#fff;font-size:17px;font-weight:600;background:var(--q-grad);padding:14px 30px;border-radius:999px;box-shadow:0 8px 22px #2468f259;transition:transform .15s}button.primary:hover{transform:translateY(-2px)}.help{position:absolute;left:28px;bottom:28px;max-width:430px;background:#fffffff0;border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-size:13px;line-height:1.9;color:var(--ink);box-shadow:0 8px 20px #1b3a5c1a}.help b{color:var(--q-deep)}.thinking{position:absolute;top:26px;left:50%;transform:translate(-50%);background:var(--q-grad);color:#fff;font-size:13px;padding:6px 16px;border-radius:999px;box-shadow:0 6px 18px #2468f266}.partial{position:absolute;bottom:28px;left:50%;transform:translate(-50%);background:#1b3a5cd9;color:#fff;font-size:16px;padding:8px 18px;border-radius:12px;max-width:70%}.caret{display:inline-block;width:2px;height:16px;background:#fff;margin-left:4px;animation:blink 1s infinite;vertical-align:-2px}@keyframes blink{50%{opacity:0}}.console{flex:1;min-width:290px;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 10px 30px #1b3a5c12;overflow:hidden}.console-title{padding:14px 16px;font-weight:600;border-bottom:1px solid var(--line)}.console-title small{color:var(--sub);font-weight:400}.log-list{flex:1;overflow-y:auto;padding:10px 14px;display:flex;flex-direction:column;gap:10px}.log-empty{color:var(--sub);font-size:13px;padding:18px 4px}.log{border:1px solid var(--line);border-radius:10px;padding:9px 12px;background:#fbfdff}.log-text{font-size:14px;margin-bottom:6px}.log-meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.badge{color:#fff;font-size:11px;padding:2px 8px;border-radius:999px}.kv{font-size:11px;color:var(--sub);background:var(--bg);padding:2px 7px;border-radius:6px}.kv.err{color:var(--err);background:#e74c3c14}.foot{padding:10px 16px;border-top:1px solid var(--line);font-size:12px;color:var(--sub)}.foot a{color:var(--q-deep);text-decoration:none}@media (max-width: 1320px){.stage{flex-direction:column;overflow-y:auto}.canvas-wrap{align-self:center;max-width:100%;overflow:auto}}