.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-bg);padding:24px}.auth-card{background:var(--color-surface);border-radius:var(--radius-card);padding:40px 32px;width:360px;max-width:100%;text-align:center;box-shadow:0 2px 16px #0000000a}.auth-logo{font-size:48px;margin-bottom:12px}.auth-title{font-size:20px;font-weight:600;color:var(--color-text);margin-bottom:4px}.auth-subtitle{font-size:14px;color:var(--color-text-muted);margin-bottom:24px}.auth-error{color:var(--color-accent);font-size:13px;margin-bottom:12px;padding:8px 12px;background:#e1705514;border-radius:var(--radius-sm)}.auth-input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text);font-size:16px;font-family:var(--font-body);outline:none;margin-bottom:12px;transition:border-color var(--duration-fast) var(--ease)}.auth-input:focus{border-color:var(--color-primary)}.auth-button{width:100%;padding:13px;border-radius:12px;border:none;background:var(--color-primary);color:#fff;font-size:16px;font-weight:600;font-family:var(--font-body);cursor:pointer;transition:background var(--duration-fast) var(--ease);margin-bottom:8px}.auth-button:hover:not(:disabled){background:var(--color-primary-hover)}.auth-button:disabled{opacity:.5;cursor:not-allowed}.auth-switch{color:var(--color-primary);font-size:13px;cursor:pointer;margin-top:16px}.auth-switch:hover{text-decoration:underline}.picker-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-bg);padding:24px}.picker-card{background:var(--color-surface);border-radius:var(--radius-card);padding:40px 32px;width:400px;max-width:100%;text-align:center;box-shadow:0 2px 16px #0000000a}.picker-logo{font-size:48px;margin-bottom:12px}.picker-title{font-size:20px;font-weight:600;color:var(--color-text);margin-bottom:4px}.picker-subtitle{font-size:14px;color:var(--color-text-muted);margin-bottom:24px}.picker-loading{color:var(--color-text-muted);font-size:14px;margin-bottom:16px;animation:pulse 1.5s infinite}.picker-list{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.picker-device{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:12px;border:1px solid var(--color-border);background:var(--color-surface);cursor:pointer;font-family:var(--font-body);font-size:15px;color:var(--color-text);transition:all var(--duration-fast) var(--ease);text-align:left;width:100%}.picker-device.online:hover{background:#ff9f430f;border-color:var(--color-primary)}.picker-device.offline{opacity:.5;cursor:default}.picker-device-icon{font-size:20px}.picker-device-name{flex:1;font-weight:500}.picker-device-status{font-size:12px;padding:2px 8px;border-radius:var(--radius-round)}.picker-device-status.online{color:var(--color-success);background:#00b8941a}.picker-device-status.offline{color:var(--color-text-light);background:#0000000a}.picker-empty{padding:20px 0;color:var(--color-text-muted);font-size:14px}.picker-hint{font-size:12px;color:var(--color-text-light);margin-top:8px;line-height:1.6}.picker-refresh{padding:10px 24px;border-radius:var(--radius-button);border:none;background:#ff9f431a;color:var(--color-primary);font-size:14px;font-family:var(--font-body);cursor:pointer}.picker-refresh:hover{background:#ff9f432e}.picker-footer{display:flex;align-items:center;justify-content:space-between;margin-top:24px;padding-top:16px;border-top:1px solid var(--color-border)}.picker-username{font-size:13px;color:var(--color-text-muted)}.picker-logout{font-size:13px;color:var(--color-text-light);cursor:pointer}.picker-logout:hover{color:var(--color-accent)}.chat-shell{height:100vh;display:flex;flex-direction:column;background:var(--color-bg);max-width:600px;margin:0 auto}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--color-surface);border-bottom:1px solid var(--color-border)}.chat-header-left{display:flex;align-items:center;gap:12px}.chat-menu-btn{display:flex;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:4px}.chat-menu-btn span{width:18px;height:2px;background:var(--color-text-muted);border-radius:1px}.chat-brand{font-size:16px;font-weight:600;color:var(--color-text)}.chat-conn{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--color-text-muted)}.chat-conn-dot{width:6px;height:6px;border-radius:50%}.chat-menu-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50}.chat-menu{position:absolute;top:52px;left:16px;background:var(--color-surface);border-radius:var(--radius-sm);box-shadow:0 4px 20px #0000001a;z-index:51;min-width:160px;padding:8px 0}.chat-menu-user{padding:8px 16px;font-size:13px;color:var(--color-text-muted);border-bottom:1px solid var(--color-border)}.chat-menu-item{padding:10px 16px;font-size:14px;color:var(--color-text);cursor:pointer}.chat-menu-item:hover{background:#ff9f430f}.chat-agents{display:flex;gap:4px;padding:8px 16px;overflow-x:auto;background:var(--color-surface);border-bottom:1px solid var(--color-border)}.chat-agent-tab{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-button);border:1px solid var(--color-border);background:none;font-size:13px;font-family:var(--font-body);color:var(--color-text-muted);cursor:pointer;white-space:nowrap}.chat-agent-tab.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.chat-agent-dot{width:6px;height:6px;border-radius:50%}.chat-scene-area{position:relative;flex-shrink:0}.chat-status-overlay{position:absolute;bottom:36px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:8px;padding:6px 16px;border-radius:20px;background:#ffffffd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(0,0,0,.06);z-index:11;white-space:nowrap}.chat-status-name{font-weight:600;font-size:13px;color:var(--color-text)}.chat-status-text{font-size:12px;color:var(--color-text-muted)}.chat-messages{flex:1;overflow-y:auto;padding:12px 16px}.chat-empty{text-align:center;color:var(--color-text-light);font-size:14px;padding:40px 0}.chat-msg-row{display:flex;margin-bottom:12px;gap:8px}.chat-msg-row.user{justify-content:flex-end}.chat-msg-avatar{width:32px;height:32px;border-radius:50%;background:var(--color-bg);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.chat-msg-bubble{max-width:75%;padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.5;word-break:break-word}.chat-msg-bubble.agent{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);border-bottom-left-radius:4px}.chat-msg-bubble.user{background:var(--color-primary);color:#fff;border-bottom-right-radius:4px}.chat-msg-sender{font-size:12px;font-weight:500;color:var(--color-text-muted);margin-bottom:2px}.chat-msg-time{font-size:11px;margin-top:4px}.chat-msg-time.agent{color:var(--color-text-light)}.chat-msg-time.user{color:#ffffffb3}.chat-input-bar{display:flex;gap:8px;padding:12px 16px;background:var(--color-surface);border-top:1px solid var(--color-border)}.chat-input{flex:1;padding:10px 14px;border-radius:var(--radius-button);border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text);font-size:15px;font-family:var(--font-body);outline:none}.chat-input:focus{border-color:var(--color-primary)}.chat-send-btn{padding:10px 20px;border-radius:var(--radius-button);border:none;background:var(--color-text-light);color:#fff;font-size:14px;font-weight:600;font-family:var(--font-body);cursor:pointer}.chat-send-btn.active{background:var(--color-primary)}.chat-send-btn:disabled{cursor:not-allowed}:root{--color-primary: #FF9F43;--color-primary-hover: #E68A30;--color-secondary: #FDCB6E;--color-bg: #FFF9F0;--color-surface: #FFFFFF;--color-surface-glass: rgba(255, 255, 255, .85);--color-text: #2D3436;--color-text-muted: #636E72;--color-text-light: #B2BEC3;--color-accent: #E17055;--color-success: #00B894;--color-thinking: #A78BFA;--color-offline: #B2BEC3;--color-border: rgba(0, 0, 0, .06);--font-heading: "PingFang SC", "SF Pro Display", "Noto Sans SC", sans-serif;--font-body: "PingFang SC", "SF Pro Text", "Noto Sans SC", sans-serif;--font-mono: "SF Mono", "Fira Code", monospace;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-xxl: 48px;--radius-sm: 8px;--radius-card: 16px;--radius-button: 24px;--radius-round: 9999px;--duration-fast: .15s;--duration-normal: .3s;--duration-slow: .5s;--ease: cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:var(--font-body);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent;overflow:hidden}#root{height:100%}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-text-light);border-radius:var(--radius-round)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes slide-up{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}