@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&family=Press+Start+2P&display=swap";:root{--bg: #faf9f7;--bg-secondary: #f5f3ef;--bg-chat: #ffffff;--surface: #ffffff;--border: #e8e5e0;--border-hover: #d0cdc5;--text: #2d2b28;--text-secondary: #6b6660;--text-tertiary: #9c968e;--accent: #d44030;--accent-hover: #b83428;--accent-light: rgba(212,64,48,.08);--accent-blue: #4a8fd4;--accent-green: #48a870;--accent-yellow: #e8a830;--radius: 12px;--radius-sm: 8px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06);--shadow: 0 2px 8px rgba(0,0,0,.08);--shadow-lg: 0 4px 16px rgba(0,0,0,.1);--transition: .15s ease;--sidebar-bg: #f0eee8;--sidebar-hover: rgba(0,0,0,.04);--sidebar-text: #3d3a35;--sidebar-dim: #8a8580}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;overflow-x:hidden}body{font-family:Inter,Noto Sans SC,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:hidden;max-width:100vw;transition:background-color .3s ease,color .3s ease}.chat-page-brand,.brand-text,.landing-footer,[data-lang=en] .setting-title,[data-lang=en] .setting-desc,[data-lang=en] .setting-value,[data-lang=en] .segmented-control button,[data-lang=en] .setting-action-btn,[data-lang=en] .setting-select,[data-lang=en] .setting-textarea,[data-lang=en] .data-notice,[data-lang=en] .sidebar-login-btn,[data-lang=en] .sidebar-action-btn,[data-lang=en] .sidebar-user-email,[data-lang=en] .conv-item-title,[data-lang=en] .back-btn,[data-lang=en] .login-header h2,[data-lang=en] .login-header p,[data-lang=en] .login-tabs button,[data-lang=en] .login-form label,[data-lang=en] .login-form input,[data-lang=en] .login-submit,[data-lang=en] .login-divider span,[data-lang=en] .third-party-btn,[data-lang=en] .form-error,[data-lang=en] 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.modal-close{position:absolute;top:12px;right:12px}.login-header{text-align:center;margin-bottom:20px}.login-logo-icon{width:56px;height:56px;border-radius:50%;background:var(--accent-light);color:var(--accent);display:flex;align-items:center;justify-content:center;margin:0 auto 8px}.login-header h2{font-size:18px;font-weight:600;color:var(--text);margin-top:8px;line-height:1.4}.login-header p{font-size:13px;color:var(--text-tertiary);margin-top:4px;line-height:1.4}.login-tabs{display:flex;gap:0;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;margin-bottom:20px}.login-tabs button{flex:1;padding:8px 0;border:none;background:var(--bg-secondary);color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;transition:all var(--transition)}.login-tabs button.active{background:var(--accent);color:#fff}.login-tabs button:not(:last-child){border-right:1px solid var(--border)}.login-form{display:flex;flex-direction:column;gap:14px}.form-field{display:flex;flex-direction:column;gap:4px}.form-field label{font-size:13px;font-weight:500;color:var(--text)}.form-field input{padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-secondary);color:var(--text);font-size:14px;outline:none;transition:border-color var(--transition)}.form-field input:focus{border-color:var(--accent)}.form-field input::placeholder{color:var(--text-tertiary)}.login-options{display:flex;align-items:center;justify-content:space-between;font-size:13px}.remember-me{display:flex;align-items:center;gap:6px;color:var(--text-secondary);cursor:pointer}.remember-me input{accent-color:var(--accent)}.forgot-link{color:var(--accent-blue);text-decoration:none}.forgot-link:hover{text-decoration:underline}.form-error{font-size:13px;color:#e04040;padding:6px 10px;background:#e0404014;border-radius:var(--radius-sm)}.login-submit{padding:10px 0;border:none;border-radius:var(--radius-sm);background:var(--accent);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:all var(--transition);display:flex;align-items:center;justify-content:center}.login-submit:hover{background:var(--accent-hover)}.login-submit:disabled{opacity:.7;cursor:not-allowed}.login-spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-switch{text-align:center;padding:16px 0 4px;font-size:13px;color:var(--text-secondary)}.login-switch a{color:var(--accent);text-decoration:none;font-weight:500;cursor:pointer}.login-switch a:hover{text-decoration:underline}.welcome-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100%;padding:48px 24px 24px;animation:welcomeFade .6s ease}@keyframes welcomeFade{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.welcome-hero{text-align:center;margin-bottom:36px}.welcome-logo{width:64px;height:64px;margin:0 auto 16px;border-radius:16px;background:linear-gradient(135deg,#fff3cd,#ffeaa7);border:2px solid #f0d060;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #f0d06033}.welcome-title{font-family:"Press Start 2P",monospace;font-size:20px;color:#c8850a;text-shadow:1px 1px 0 rgba(200,133,10,.15);margin-bottom:12px}.welcome-subtitle{font-size:16px;color:var(--text);max-width:420px;margin:0 auto;line-height:1.6}.welcome-subtitle strong{color:#c8850a;font-weight:600}.welcome-sub-cn{font-size:13px;color:var(--text-tertiary);margin-top:6px}.welcome-agents{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;max-width:780px;width:100%;margin-bottom:32px}.agent-card{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--agent-color, #c8850a);border-radius:var(--radius);padding:16px;transition:all .2s ease;display:flex;flex-direction:column;gap:10px;cursor:default}.agent-card:hover{border-color:var(--border-hover);transform:translateY(-2px);box-shadow:var(--shadow)}.agent-card-icon{width:38px;height:38px;border-radius:var(--radius-sm);background:color-mix(in srgb,var(--agent-color, #c8850a) 10%,transparent);display:flex;align-items:center;justify-content:center;color:var(--agent-color, #c8850a)}.agent-card-info{display:flex;flex-direction:column;gap:2px}.agent-card-name{font-family:"Press Start 2P",monospace;font-size:9px;color:color-mix(in srgb,var(--agent-color, #c8850a) 80%,black)}.agent-card-role{font-size:12px;color:var(--text-secondary)}.agent-card-skills{display:flex;flex-wrap:wrap;gap:4px}.agent-skill-tag{font-size:10px;padding:3px 8px;border-radius:4px;background:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--border)}.welcome-suggestions{max-width:780px;width:100%;margin-bottom:24px}.welcome-try{font-size:10px;color:var(--text-tertiary);margin-bottom:12px;text-align:center;font-family:"Press Start 2P",monospace;letter-spacing:1px;text-transform:uppercase}.suggestion-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.suggestion-chip{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:10px 18px;font-size:13px;color:var(--text-secondary);cursor:pointer;transition:all .2s ease;font-family:Inter,Noto Sans SC,sans-serif}.suggestion-chip:hover{background:#fff8e1;border-color:#e8c040;color:#c8850a;transform:translateY(-1px);box-shadow:var(--shadow-sm)}.welcome-photo-tip{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-tertiary);max-width:520px;text-align:center;padding:10px 16px;background:var(--bg-secondary);border-radius:var(--radius-sm);border:1px solid var(--border)}.welcome-photo-tip svg{flex-shrink:0;color:var(--text-tertiary)}@media(max-width:768px){nav{padding:8px 12px}.brand-text{font-size:11px}.nav-cta{font-size:8px;padding:6px 12px!important}.pixel-title{font-size:20px;letter-spacing:1px}.hero-subtitle{font-size:13px;margin-top:8px}.hero-subtitle-cn{font-size:11px}.landing-center{padding:12px 16px}.pixel-btn{font-size:9px;padding:10px 20px}.features-strip{gap:6px;padding:12px 0 0}.feature-pill{font-size:10px;padding:5px 10px}.landing footer{padding:12px}.pixel-footer{font-size:7px}.settings-modal{max-width:100vw;max-height:100vh;border-radius:0}.settings-tabs{width:auto;flex-direction:row;overflow-x:auto;border-right:none;border-bottom:1px solid var(--border);padding:8px}.settings-tab{white-space:nowrap;padding:6px 10px;font-size:12px}.settings-body{flex-direction:column}.login-modal{max-width:100vw;border-radius:12px}.chat-page-header{padding:8px 12px}.chat-page-brand{font-size:10px}.back-btn{font-size:8px;padding:5px 10px}.chat-header{padding:8px 12px}.chat-header h3{font-size:9px}.chat-header .model{font-size:10px}.agent-badge{font-size:10px;padding:2px 6px}.msg{padding:12px 16px}.msg-label{font-size:11px}.msg-bubble{font-size:14px;line-height:1.6}.quick-asks{padding:8px 12px 0;gap:6px}.quick-ask{font-size:12px;padding:5px 10px}.chat-input-area{padding:10px 12px;gap:6px}.chat-input{font-size:14px;padding:8px 12px;min-height:38px}.img-btn,.send-btn,.stop-btn{width:36px;height:36px}.img-btn svg,.send-btn svg,.stop-btn svg{width:16px;height:16px}.recording-strip{padding:8px 12px;gap:6px;font-size:12px}.img-preview{padding:6px 12px 0}.sidebar-toggle-btn:not(.mobile-only){display:none!important}.sidebar-toggle-btn.mobile-only{display:flex}.sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:30;animation:fade-in .2s ease}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.conv-sidebar{position:fixed;left:0;top:0;bottom:0;width:280px;min-width:280px;z-index:31;box-shadow:4px 0 20px #0006;animation:slide-in .25s ease}@keyframes slide-in{0%{transform:translate(-100%)}to{transform:translate(0)}}.conv-sidebar.closed{display:none;width:280px;min-width:280px}}@media(max-width:480px){nav{padding:6px 10px}.brand-text{font-size:9px}.nav-logo,.nav-brand svg{width:18px;height:18px}.nav-cta{font-size:7px;padding:5px 10px!important}.pixel-title{font-size:16px}.hero-subtitle{font-size:12px}.pixel-btn{font-size:8px;padding:8px 16px}.features-strip{gap:6px;padding:12px 8px}.feature-pill{font-size:7px;padding:5px 8px;gap:4px}.pill-svg{width:12px;height:12px}.chat-page-brand{font-size:9px}.chat-page-brand svg{width:14px;height:14px}.back-btn{font-size:7px;padding:4px 8px}.chat-header h3{font-size:8px}.msg{padding:10px 12px}.msg-bubble{font-size:13px}.chat-input-area{padding:8px 10px;gap:4px}.chat-input{font-size:13px;padding:7px 10px}.img-btn,.send-btn,.stop-btn{width:32px;height:32px}.quick-asks{padding:6px 10px 0}.quick-ask{font-size:11px;padding:4px 8px}}[data-theme=dark]{--bg: #1a1a1e;--bg-secondary: #222226;--bg-chat: #1e1e22;--surface: #2a2a2e;--border: #3a3a40;--border-hover: #4a4a52;--text: #e8e6e3;--text-secondary: #a8a4a0;--text-tertiary: #6e6a66;--accent: #e05545;--accent-hover: #c94838;--accent-light: rgba(224,85,69,.12);--accent-blue: #5a9fe4;--accent-green: #58b880;--accent-yellow: #f0b840;--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow: 0 2px 8px rgba(0,0,0,.4);--shadow-lg: 0 4px 16px rgba(0,0,0,.5);--sidebar-bg: #111118;--sidebar-hover: rgba(255,255,255,.08);--sidebar-text: #c0bcd0;--sidebar-dim: #7e7a90}[data-theme=dark] .modal-card{background:var(--surface);border:1px solid var(--border)}[data-theme=dark] .settings-tabs{background:var(--bg-secondary);border-right-color:var(--border)}[data-theme=dark] .settings-content{background:var(--surface)}[data-theme=dark] .setting-row{border-bottom-color:var(--border)}[data-theme=dark] .segmented-control{background:var(--bg);border-color:var(--border)}[data-theme=dark] .segmented-control button{color:var(--text-secondary)}[data-theme=dark] .setting-select,[data-theme=dark] .setting-textarea{background:var(--bg);border-color:var(--border);color:var(--text)}[data-theme=dark] .login-modal{background:var(--surface)}[data-theme=dark] .login-tabs button{background:var(--bg);color:var(--text-secondary)}[data-theme=dark] .login-tabs button.active{background:var(--accent);color:#fff}[data-theme=dark] .login-form input{background:var(--bg);border-color:var(--border);color:var(--text)}[data-theme=dark] .login-form label{color:var(--text-secondary)}[data-theme=dark] .third-party-btn{background:var(--bg);border-color:var(--border);color:var(--text)}[data-theme=dark] .third-party-btn:hover{background:var(--bg-secondary)}[data-theme=dark] .chat-page-header{background:var(--bg);border-bottom-color:var(--border)}[data-theme=dark] .login-btn-header{background:var(--surface);border-color:var(--border);color:var(--text)}[data-theme=dark] 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h2{font-size:16px;font-weight:600}.sidebar-user-name{font-size:13px;font-weight:500}.sidebar-user-email{font-size:11px}.conv-item-title{font-size:13px;line-height:1.5}.setting-title{font-size:14px;line-height:1.5;font-weight:500}.setting-desc{font-size:12px;line-height:1.4}.setting-value,.segmented-control button,.setting-action-btn,.setting-select{font-size:13px}.setting-textarea{font-size:13px;line-height:1.5}.data-notice{font-size:12px;line-height:1.5}.settings-tab{font-size:13px;font-weight:500}.back-btn{font-size:13px}.chat-input{font-size:14px;line-height:1.6}.sidebar-login-btn,.feature-pill{font-size:13px}.hero-cta{font-size:14px;letter-spacing:.5px}.hero-subtitle{font-size:15px;line-height:1.5}.hero-subtitle-cn{font-size:14px;line-height:1.5}.landing-footer{font-size:10px;letter-spacing:.3px}.conv-empty-text{font-size:13px;line-height:1.6}.login-submit{font-size:14px}.login-divider span{font-size:12px}.third-party-btn{font-size:13px}.form-error{font-size:12px;line-height:1.5}.login-options label,.login-options a{font-size:12px}.about-header h3{font-size:16px}.about-header p{font-size:13px;line-height:1.5}.about-link{font-size:13px}[data-lang=en] .new-chat-btn span{font-size:8px}[data-lang=en] .conv-group-label{font-size:7px;letter-spacing:.8px}[data-lang=en] .modal-header h2{font-size:10px}[data-lang=en] .sidebar-user-name{font-size:8px}[data-lang=en] .sidebar-user-email{font-size:7px}[data-lang=en] .conv-item-title{font-size:8px}[data-lang=en] .setting-title{font-size:9px}[data-lang=en] .setting-desc{font-size:7px}[data-lang=en] .segmented-control button,[data-lang=en] .settings-tab,[data-lang=en] .back-btn{font-size:8px}[data-lang=en] .chat-input{font-size:9px}[data-lang=en] .sidebar-login-btn,[data-lang=en] .feature-pill{font-size:8px}[data-lang=en] .hero-cta{font-size:11px}[data-lang=en] .hero-subtitle{font-size:9px}[data-lang=en] .conv-empty-text{font-size:8px}[data-lang=en] .login-header h2{font-size:11px}[data-lang=en] .login-header p{font-size:8px}[data-lang=en] .login-tabs button{font-size:9px}[data-lang=en] .login-form label{font-size:8px}[data-lang=en] .login-form input,[data-lang=en] .login-submit{font-size:9px}[data-lang=en] .third-party-btn{font-size:8px}[data-lang=en] .login-options label,[data-lang=en] .login-options a{font-size:7px}.conv-empty{display:flex;align-items:center;justify-content:center;height:100%;padding:24px}.conv-empty-text{color:var(--sidebar-dim);font-size:13px;text-align:center;line-height:1.5}.toggle-switch{position:relative;display:inline-block;width:40px;height:22px;cursor:pointer}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;top:0;left:0;right:0;bottom:0;background:var(--border);border-radius:22px;transition:background .2s ease}.toggle-slider:before{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .2s ease}.toggle-switch input:checked+.toggle-slider{background:var(--accent)}.toggle-switch input:checked+.toggle-slider:before{transform:translate(18px)}[data-font-size=small] .msg-text{font-size:13px;line-height:1.5}[data-font-size=small] .msg-bubble{font-size:13px}[data-font-size=medium] .msg-text{font-size:15px;line-height:1.6}[data-font-size=medium] .msg-bubble{font-size:15px}[data-font-size=large] .msg-text{font-size:18px;line-height:1.7}[data-font-size=large] .msg-bubble{font-size:18px}