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32px}.welcome-container{padding-top:80px}.welcome-title{font-size:32px}.input-section{width:100%;max-width:720px;margin:0 auto;padding:0 32px 24px}.terms-text{width:100%;max-width:720px;margin:0 auto}.user-bubble{max-width:500px}.status-bar-spacer,.safe-bottom,.drawer-overlay,.drawer{display:none}.sidebar{border-right:1px solid var(--border-light);background:#fff;flex-direction:column;width:270px;min-width:270px;height:100dvh;padding:16px 12px;transition:width .2s,min-width .2s;display:flex;overflow:hidden}.sidebar-collapsed{width:60px;min-width:60px}.sidebar-toggle{cursor:pointer;width:32px;height:32px;color:var(--text-secondary);background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;margin-bottom:16px;transition:background .2s;display:flex}.sidebar-toggle:hover{background:var(--bg-input)}.sidebar-new-chat{border:1px solid var(--border-light);cursor:pointer;color:var(--text-primary);white-space:nowrap;background:#fff;border-radius:10px;align-items:center;gap:10px;padding:10px 12px;font-size:14px;font-weight:450;transition:background .2s;display:flex;overflow:hidden}.sidebar-new-chat:hover{background:var(--bg-input)}.sidebar-collapsed .sidebar-new-chat{justify-content:center;padding:10px}.sidebar-section{flex-direction:column;flex:1;margin-top:20px;display:flex}.sidebar-section-header{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;align-items:center;gap:8px;padding:8px 12px;font-size:12px;font-weight:500;display:flex;overflow:hidden}.sidebar-collapsed .sidebar-section-header{justify-content:center}.sidebar-empty{color:var(--text-muted);text-align:center;flex-direction:column;align-items:center;gap:8px;padding:24px 12px;display:flex}.sidebar-empty p{font-size:12px;line-height:1.4}.sidebar-collapsed .sidebar-empty p{display:none}.sidebar-history-list{flex-direction:column;gap:2px;max-height:300px;padding:4px 0;display:flex;overflow-y:auto}.sidebar-history-item{cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;width:100%;padding:8px 12px;transition:background .2s;display:flex;overflow:hidden}.sidebar-history-item:hover,.sidebar-history-item.active{background:var(--bg-input)}.sidebar-history-text{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.sidebar-history-item:hover .sidebar-history-text{color:var(--text-primary)}.sidebar-history-item.active .sidebar-history-text{color:var(--text-primary);font-weight:500}.sidebar-spacer{flex:1}.sidebar-bottom{border-top:1px solid var(--border-light);flex-direction:column;gap:2px;padding-top:12px;display:flex}.sidebar-item{cursor:pointer;color:var(--text-secondary);text-align:left;white-space:nowrap;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;width:100%;padding:10px 12px;font-size:13px;font-weight:400;transition:background .2s,color .2s;display:flex;overflow:hidden}.sidebar-item:hover{background:var(--bg-input);color:var(--text-primary)}.sidebar-collapsed .sidebar-item{justify-content:center;padding:10px}}.pwa-banner{z-index:90;border:1px solid var(--border-light);background:#fff;border-radius:16px 16px 0 0;width:320px;padding:16px;display:none;position:fixed;bottom:0;left:auto;right:0;box-shadow:0 -4px 20px #00000014}.pwa-banner-content{align-items:center;gap:12px;max-width:720px;margin:0 auto;display:flex}.pwa-banner-icon{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex;overflow:hidden}.pwa-banner-icon img{flex-shrink:0;width:auto;max-width:none;height:100%}.pwa-banner-text{flex:1;min-width:0}.pwa-banner-title{color:var(--text-primary);font-size:14px;font-weight:500}.pwa-banner-instructions{color:var(--text-secondary);align-items:flex-start;gap:6px;margin-top:4px;font-size:13px;line-height:1.4;display:flex}.pwa-banner-instructions svg{color:var(--primary-blue);flex-shrink:0;margin-top:1px}.pwa-banner-install{background:var(--primary-blue);color:#fff;cursor:pointer;white-space:nowrap;border:none;border-radius:20px;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:500;transition:background .2s;display:flex}.pwa-banner-install:hover{background:#004578}.pwa-banner-close{cursor:pointer;width:32px;height:32px;color:var(--text-muted);background:0 0;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.pwa-banner-close:hover{background:var(--bg-input)}.pwa-banner-toggle{right:16px;bottom:calc(94px + env(safe-area-inset-bottom,0px));z-index:90;border:1px solid var(--border-light);background:var(--primary-blue);color:#fff;cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;transition:background .2s,box-shadow .2s;display:none;position:fixed;box-shadow:0 4px 16px #00000029}.pwa-banner-toggle:hover{background:#004578;box-shadow:0 6px 20px #0003}.pwa-banner-toggle:focus-visible,.pwa-banner-install:focus-visible,.pwa-banner-close:focus-visible{outline:2px solid var(--primary-blue);outline-offset:2px}.pwa-banner-mobile{width:100%;padding-bottom:calc(16px + env(safe-area-inset-bottom,0px));display:block;bottom:0;left:0;right:0}.pwa-banner-toggle-mobile{display:flex}@media (min-width:768px){.pwa-banner{border-radius:8px;width:min(500px,100vw - 40px);display:block;bottom:20px;right:20px}.pwa-banner-toggle{display:flex;bottom:20px;right:20px}}.ai-response-body,.user-bubble,.welcome-subtitle,.suggestion-btn-text,.faq-question-text,.faq-answer,.settings-row-text,.sidebar-new-chat span,.sidebar-section-header span,.sidebar-history-text,.sidebar-item span,.sidebar-empty p{font-size:var(--chat-font-size,14px)!important}[data-theme=dark]{--primary-blue:#4da3ff;--text-primary:#fff;--text-body:#e0e0e0;--text-secondary:#999;--text-muted:#888;--text-terms:#888;--bg-white:#1e1e1e;--bg-input:#2a2a2a;--border-light:#3a3a3a;--border-suggestion:#ffffff1a;--link-orange:#e8a050;--citation-link:#7fb6f0;--citation-link-hover:#a5cdf7;--shadow-input:#f0a77433}[data-theme=dark] .confirm-dialog{background:#1e1e1e;border-color:#3a3a3a;box-shadow:0 24px 70px #0000008c}[data-theme=dark] .confirm-dialog-icon{background:#243343}[data-theme=dark] .confirm-dialog-icon.danger{color:#ff817d;background:#c5221f2e}[data-theme=dark] .confirm-dialog-close,[data-theme=dark] .confirm-dialog-cancel{color:#e0e0e0;background:#2a2a2a;border-color:#3a3a3a}[data-theme=dark] .confirm-dialog-close:hover:not(:disabled){color:#fff;background:#343434}[data-theme=dark] .confirm-dialog-actions{background:#191919;border-color:#343434}[data-theme=dark] body{color:#fff;background:#121212}[data-theme=dark] .app-shell{background:0 0}[data-theme=dark] .app-layout{background:#121212}[data-theme=dark] .header-avatar-btn{background:#2a2a2a}[data-theme=dark] .header-brand-text{color:#e8e8e8}[data-theme=dark] .header-menu-btn{color:#e8e8e8;background:#2a2a2a}[data-theme=dark] .welcome-avatar{background:linear-gradient(135deg,#3a3020 0%,#5a4030 100%)}[data-theme=dark] .user-bubble{color:#e8e8e8;background:#2a2a2a;border-color:#3a3a3a}[data-theme=dark] .input-container{background:#2a2a2ab3;border-color:#3a3a3a}[data-theme=dark] .input-error-message{color:#fda29b}[data-theme=dark] .input-field{color:#e8e8e8}[data-theme=dark] .input-btn{color:#999;background:#3a3a3a}[data-theme=dark] .input-recording{background:#121212;border-color:#2a2a2a}[data-theme=dark] .suggestion-btn{background:#2a2a2a;border-color:#ffffff14}[data-theme=dark] .feedback-btn{color:#999}[data-theme=dark] .sidebar{background:#1e1e1e;border-color:#2e2e2e}[data-theme=dark] .sidebar-new-chat{color:#e8e8e8;background:#2a2a2a;border-color:#3a3a3a}[data-theme=dark] .sidebar-new-chat:hover{background:#3a3a3a}[data-theme=dark] .sidebar-toggle{color:#e8e8e8}[data-theme=dark] .sidebar-toggle:hover{background:#3a3a3a}[data-theme=dark] .sidebar-item:hover{background:#2a2a2a}[data-theme=dark] .sidebar-bottom{border-color:#2a2a2a}[data-theme=dark] .drawer{background:#1e1e1e}[data-theme=dark] .drawer-close-btn{background:#2a2a2a}[data-theme=dark] .new-chat-btn{color:#e8e8e8;background:#2a2a2a;border-color:#3a3a3a}[data-theme=dark] .new-chat-btn:hover{background:#3a3a3a}[data-theme=dark] .history-section-title{color:#999}[data-theme=dark] .history-item{color:#e8e8e8}[data-theme=dark] .history-item:hover,[data-theme=dark] .history-item.active{background:#2a2a2a}[data-theme=dark] .history-empty{color:#999}[data-theme=dark] .settings-card{background:#2a2a2a;border-color:#3a3a3a}[data-theme=dark] .settings-back-btn{color:#e8e8e8;background:#2a2a2a;border-color:#3a3a3a}[data-theme=dark] .settings-page-title{color:#e8e8e8}[data-theme=dark] .settings-row{border-color:#3a3a3a}[data-theme=dark] .settings-toggle-btn{color:#999}[data-theme=dark] .settings-toggle-group{border-color:#3a3a3a}[data-theme=dark] .pwa-banner{background:#2a2a2a;border-color:#3a3a3a}[data-theme=dark] .pwa-banner-toggle{border-color:#3a3a3a}[data-theme=dark] .pwa-banner-title{color:#e8e8e8}[data-theme=dark] .faq-item{border-color:#3a3a3a}[data-theme=dark] .faq-question-text,[data-theme=dark] .faq-title{color:#e8e8e8}[data-theme=dark] .faq-back-btn{color:#e8e8e8;background:#2a2a2a;border-color:#3a3a3a}[data-theme=dark] .faq-chevron{color:#999}[data-theme=dark] .faq-answer{color:#b0b0b0}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}