*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.chat-shell{flex-direction:column;width:100%;max-width:720px;height:calc(100vh - 72px);margin:0 auto;padding:24px 16px 16px;display:flex}.chat-thread{flex-direction:column;flex:1;gap:12px;padding-bottom:16px;display:flex;overflow-y:auto}.chat-empty{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:8px;display:flex}.chat-greeting{color:#1a3a2a;font-size:22px;font-weight:600}.chat-sub{color:#888;font-size:14px}.chat-bubble{border-radius:12px;max-width:80%;padding:12px 16px;font-size:14px;line-height:1.6}.chat-bubble.user{color:#fff;background-color:#1a3a2a;border-bottom-right-radius:4px;align-self:flex-end}.chat-bubble.assistant{color:#1a1a18;background-color:#fff;border:.5px solid #0000001a;border-bottom-left-radius:4px;align-self:flex-start}.chat-input-row{border-top:.5px solid #0000001a;gap:8px;padding-top:12px;display:flex}.chat-input{color:#1a1a18;background:#fff;border:.5px solid #00000026;border-radius:8px;outline:none;flex:1;padding:12px 16px;font-size:14px}.chat-input:focus{border-color:#1a3a2a}.chat-send{color:#fff;cursor:pointer;background-color:#1a3a2a;border:none;border-radius:8px;padding:12px 20px;font-size:14px;font-weight:600}.chat-send:hover{background-color:#2e5c44}.voice-toggle{color:#1a3a2a;cursor:pointer;background:#fff;border:.5px solid #00000026;border-radius:16px;align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:600;line-height:1;transition:background-color .15s,border-color .15s,color .15s;display:inline-flex}.voice-toggle:hover{border-color:#1a3a2a}.voice-toggle.on{color:#fff;background-color:#1a3a2a;border-color:#1a3a2a}.voice-status{color:#888;white-space:nowrap;align-items:center;gap:6px;font-size:12px;display:inline-flex}.voice-status:before{content:"";background:#b0b0b0;border-radius:50%;width:7px;height:7px}.voice-status-listening:before{background:#2e7d4f;animation:1.3s ease-in-out infinite voice-pulse}.voice-status-speaking:before{background:#1a3a2a}.voice-status-thinking:before{background:#c9a227}.voice-status-transcribing:before{background:#3a7bd5}.voice-status-error{color:#b03030}.voice-status-error:before{background:#b03030}@keyframes voice-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.5)}}