:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0b0d12;--panel:#0c0e14b8;--panel-border:#ffffff14;--text:#e8eaf0;--muted:#9aa3b5;--accent:#7dd3c0;--danger:#ff6b6b;--user:#2b3a55;--ai:#1f2a26}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{background:var(--bg);height:100%;color:var(--text);overscroll-behavior:none;touch-action:manipulation;margin:0;font-family:-apple-system,PingFang HK,PingFang TC,Microsoft JhengHei,Noto Sans TC,system-ui,sans-serif;overflow:hidden}.boot{height:100vh;color:var(--muted);place-items:center;display:grid}.app{top:var(--vvt,0px);width:100%;height:var(--vvh,100dvh);--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);--safe-right:env(safe-area-inset-right,0px);background-position:50%;background-size:cover;position:fixed;left:0}.stage{position:absolute;inset:0}.stage canvas{width:100%;height:100%;display:block}.topbar{top:calc(12px + var(--safe-top));left:calc(12px + var(--safe-left));right:calc(12px + var(--safe-right));pointer-events:none;justify-content:space-between;align-items:center;gap:8px;display:flex;position:absolute}.topbar>*{pointer-events:auto}.topbar-actions{flex-shrink:0;gap:8px;display:flex}.topbar button{background:var(--panel);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.topbar button:hover{background:#1e222cd9}.icon-btn{align-items:center;gap:6px;display:inline-flex}.chip{background:var(--panel);border:1px solid var(--panel-border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:999px;align-items:center;gap:8px;min-width:0;padding:6px 12px;font-size:13px;display:inline-flex}.chip-text{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.dot{background:var(--muted);border-radius:50%;flex-shrink:0;width:8px;height:8px}.dot.ok{background:var(--accent)}.dot.bad{background:var(--danger)}.subtitle{left:50%;bottom:calc(96px + var(--safe-bottom));background:var(--panel);border:1px solid var(--panel-border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);text-align:center;border-radius:12px;max-width:min(760px,92vw);padding:10px 18px;font-size:18px;line-height:1.5;position:absolute;transform:translate(-50%)}.controls{left:50%;bottom:calc(16px + var(--safe-bottom));background:var(--panel);border:1px solid var(--panel-border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:14px;gap:8px;width:min(760px,94vw);padding:8px;display:flex;position:absolute;transform:translate(-50%)}.controls input{border:1px solid var(--panel-border);min-width:0;color:var(--text);background:#ffffff0a;border-radius:10px;flex:1;padding:10px 12px;font-size:16px}.controls input:focus{outline:1px solid var(--accent)}button{border:1px solid var(--panel-border);min-height:40px;color:var(--text);cursor:pointer;white-space:nowrap;background:#ffffff0f;border-radius:10px;padding:10px 14px;font-size:14px}button:hover{background:#ffffff1f}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);color:#0b0d12;border-color:#0000}button.mic.on{background:var(--accent);color:#0b0d12}button.mic.speaking{box-shadow:0 0 0 4px #7dd3c059}button.danger{color:var(--danger)}.chat{top:calc(56px + var(--safe-top));right:calc(12px + var(--safe-right));bottom:calc(160px + var(--safe-bottom));background:var(--panel);border:1px solid var(--panel-border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:14px;flex-direction:column;width:min(360px,90vw);display:flex;position:absolute;overflow:hidden}.chat-body{-webkit-overflow-scrolling:touch;overscroll-behavior:contain;flex-direction:column;flex:1;gap:8px;min-height:0;padding:10px;display:flex;overflow-y:auto}.chat-empty{color:var(--muted);margin:auto;font-size:13px}.sheet-head,.sheet-backdrop{display:none}.msg{white-space:pre-wrap;word-break:break-word;border-radius:10px;padding:8px 12px;font-size:14px;line-height:1.5}.msg.user{background:var(--user);align-self:flex-end}.msg.ai{background:var(--ai);align-self:flex-start}.msg .who{color:var(--muted);margin-bottom:2px;font-size:11px;display:block}.modal-backdrop{background:#00000080;place-items:center;display:grid;position:absolute;inset:0}.modal{border:1px solid var(--panel-border);background:#141822;border-radius:14px;flex-direction:column;gap:10px;width:min(480px,92vw);padding:18px;display:flex}.modal h3{margin:0 0 4px}.modal label{color:var(--muted);font-size:13px}.modal input{border:1px solid var(--panel-border);color:var(--text);background:#ffffff0a;border-radius:10px;padding:10px 12px;font-size:14px}.modal .row{justify-content:flex-end;gap:8px;display:flex}.modal .model-row{justify-content:stretch;margin-bottom:6px}.modal select{border:1px solid var(--panel-border);min-width:0;color:var(--text);background:#ffffff0a;border-radius:10px;flex:1;padding:10px 12px;font-size:14px}.toast{top:calc(56px + var(--safe-top));color:#ffb3b3;background:#ff6b6b26;border:1px solid #ff6b6b66;border-radius:10px;max-width:90vw;padding:10px 16px;font-size:13px;position:absolute;left:50%;transform:translate(-50%)}@media (max-width:720px){.topbar{gap:6px}.icon-btn{justify-content:center;width:40px;padding:0}.icon-btn .lbl{display:none}.chip{flex:1;min-width:0;padding:6px 10px;font-size:12px}.subtitle{bottom:calc(84px + var(--safe-bottom));max-width:calc(100vw - 24px);padding:8px 12px;font-size:15px}.controls{left:8px;right:8px;bottom:calc(8px + var(--safe-bottom));gap:6px;width:auto;padding:6px;transform:none}.controls button{min-height:44px;padding:0 12px}.controls button.mic{border-radius:50%;width:44px;padding:0;font-size:18px}.controls button.mic .lbl{display:none}.controls input{padding:8px 12px}.sheet-backdrop{background:#00000073;display:block;position:absolute;inset:0}.chat{width:auto;height:min(70%, calc(100% - 56px - var(--safe-top)));background:#0c0e14eb;border-bottom:none;border-radius:18px 18px 0 0;animation:.22s ease-out sheet-up;display:none;inset:auto 0 0}.chat.open{display:flex}.chat-body{padding-bottom:calc(10px + var(--safe-bottom))}.sheet-head{border-bottom:1px solid var(--panel-border);flex-shrink:0;align-items:center;gap:8px;padding:12px 8px 6px 14px;display:flex;position:relative}.sheet-handle{background:#ffffff40;border-radius:2px;width:36px;height:4px;position:absolute;top:6px;left:50%;transform:translate(-50%)}.sheet-title{flex:1;font-size:14px}.sheet-close{border-radius:50%;width:36px;min-height:36px;padding:0}.msg{max-width:88%;font-size:15px}.modal{width:calc(100vw - 24px);padding:16px}.modal input{font-size:16px}.modal .row{flex-wrap:wrap}.modal .row button{flex:1;min-height:44px}.toast{max-width:calc(100vw - 24px)}}@media (max-width:960px) and (max-height:480px){.subtitle{bottom:calc(72px + var(--safe-bottom));padding:6px 10px;font-size:14px}.controls{bottom:calc(6px + var(--safe-bottom));left:calc(8px + var(--safe-left));right:calc(8px + var(--safe-right));width:auto;transform:none}.chat.open{height:calc(100% - 52px)}}@keyframes sheet-up{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.login{background:var(--bg);place-items:center;min-height:100dvh;padding:16px;display:grid}.login-card{border:1px solid var(--panel-border);background:#141822;border-radius:16px;flex-direction:column;gap:12px;width:min(360px,100%);padding:24px;display:flex}.login-card h2{margin:0;font-size:20px}.login-hint{color:var(--muted);margin:0;font-size:13px}.login-card input{border:1px solid var(--panel-border);color:var(--text);background:#ffffff0a;border-radius:10px;padding:12px;font-size:16px}.login-card input:focus{outline:1px solid var(--accent)}.login-card button{min-height:44px}.login-error{color:var(--danger);font-size:13px}.link-btn{border:1px solid var(--panel-border);background:var(--panel);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);min-height:40px;color:var(--text);white-space:nowrap;border-radius:10px;padding:10px 14px;font-size:14px;text-decoration:none}.link-btn:hover{background:#1e222cd9}@media (max-width:720px){.link-btn{justify-content:center;width:40px;padding:0}}.history{background:var(--bg);flex-direction:column;height:100dvh;display:flex}.history-head{padding:calc(10px + env(safe-area-inset-top,0px)) 16px 10px;border-bottom:1px solid var(--panel-border);align-items:center;gap:12px;display:flex}.history-head h1{flex:1;margin:0;font-size:17px}.history-head .back{color:var(--accent);font-size:14px;text-decoration:none}.history-head select{border:1px solid var(--panel-border);color:var(--text);background:#ffffff0a;border-radius:10px;padding:8px 10px;font-size:14px}.history-error{color:#ffb3b3;background:#ff6b6b26;border:1px solid #ff6b6b66;border-radius:10px;margin:10px 16px 0;padding:10px 14px;font-size:13px}.history-body{flex:1;min-height:0;display:flex}.history-list{border-right:1px solid var(--panel-border);flex-direction:column;flex-shrink:0;width:320px;display:flex;overflow-y:auto}.history-item{text-align:left;border:none;border-bottom:1px solid var(--panel-border);white-space:normal;background:0 0;border-radius:0;flex-direction:column;flex-shrink:0;align-items:flex-start;gap:4px;padding:12px 16px;display:flex}.history-item:hover{background:#ffffff0d}.history-item.active{background:#7dd3c01f}.history-item-title{white-space:nowrap;text-overflow:ellipsis;width:100%;font-size:14px;line-height:1.4;display:block;overflow:hidden}.history-item-meta{color:var(--muted);font-size:12px}.history-detail{flex-direction:column;flex:1;gap:8px;min-width:0;padding:16px;display:flex;overflow-y:auto}.history-detail .msg{max-width:min(720px,85%)}.history-empty{color:var(--muted);margin:auto;font-size:14px}.history-back-mobile{align-self:flex-start;display:none}@media (max-width:720px){.history-list{border-right:none;width:100%}.history-detail,.history.has-detail .history-list{display:none}.history.has-detail .history-detail{display:flex}.history-back-mobile{display:inline-flex}.history-detail .msg{max-width:92%}}.retry-bar{left:50%;bottom:calc(150px + var(--safe-bottom));background:var(--panel);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid #ff6b6b66;border-radius:12px;align-items:center;gap:8px;max-width:min(760px,94vw);padding:8px 8px 8px 14px;font-size:13px;display:flex;position:absolute;transform:translate(-50%)}.retry-bar .retry-text{text-overflow:ellipsis;white-space:nowrap;min-width:0;color:var(--muted);overflow:hidden}.retry-bar button{min-height:34px;padding:6px 12px}