html,body{height:100%;margin:0;overflow:hidden;overscroll-behavior:none}#app{height:100%}.phone{height:100dvh;max-width:480px;margin:0 auto;display:flex;flex-direction:column;background:#ededed;font-family:system-ui,-apple-system,PingFang SC,sans-serif}@media(min-width:520px){.phone{border-left:1px solid #d5d5d5;border-right:1px solid #d5d5d5}}.nav{display:flex;align-items:center;gap:8px;padding:12px 16px;padding-top:calc(12px + env(safe-area-inset-top));background:#f7f7f7;border-bottom:1px solid #e0e0e0;font-size:16px;font-weight:600}.nav .hint{margin-left:auto;font-size:12px;font-weight:400;color:#999;min-height:1em}.nav .clear{margin-left:8px;border:none;background:none;color:#576b95;font-size:13px;cursor:pointer;padding:4px 2px}.dot{width:8px;height:8px;border-radius:50%;background:#c8c8c8}.dot.recording{background:#07c160;animation:blink 1s infinite}.dot.waiting,.dot.replying{background:orange}@keyframes blink{50%{opacity:.3}}.chat{flex:1;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:12px}.empty{text-align:center;color:#999;margin-top:30vh}.empty .sub{font-size:12px;margin-top:6px;color:#bbb}.row{display:flex;gap:8px;margin:14px 0;align-items:flex-start}.row.user{flex-direction:row-reverse}.avatar{width:38px;height:38px;border-radius:6px;flex:none;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:600}.avatar.user{background:#07c160}.avatar.assistant{background:#4f7cff}.bubble{position:relative;max-width:72%;padding:10px 12px;border-radius:8px;font-size:16px;line-height:1.55;white-space:pre-wrap;word-break:break-word;background:#fff}.row.user .bubble{background:#95ec69}.bubble.err{color:#c0392b}.bubble:after{content:"";position:absolute;top:13px;border:6px solid transparent}.row.assistant .bubble:after{left:-11px;border-right-color:#fff}.row.user .bubble:after{right:-11px;border-left-color:#95ec69}.typing{color:#9a9a9a}.toast{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 12px 8px;padding:8px 12px;border-radius:8px;background:#fff7e6;color:#a06500;font-size:13px}.toast .x{cursor:pointer;padding:0 4px}.dock{padding:10px 14px;padding-bottom:calc(10px + env(safe-area-inset-bottom));background:#f7f7f7;border-top:1px solid #e0e0e0}.talk{width:100%;height:52px;border:1px solid #dcdcdc;border-radius:12px;background:#fff;font-size:17px;color:#222;touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.talk:disabled{color:#aaa;background:#f2f2f2}.talk.holding{background:#d9d9d9}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:10;cursor:pointer}.ovbox{width:170px;padding:24px 16px;border-radius:16px;background:#000000bf;color:#fff;text-align:center;font-size:14px}.ovbox .sub{font-size:12px;color:#bbb;margin:6px 0 14px}.mic{font-size:44px;margin-bottom:10px;animation:pulse 1.1s ease-in-out infinite}@keyframes pulse{50%{transform:scale(1.18);opacity:.75}}.cancel-btn{width:100%;height:38px;border:none;border-radius:8px;background:#ffffff26;color:#ff9c9c;font-size:14px}