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img{height:160px}.platform-feature-body{padding:var(--spacing-lg)}.platform-feature-icon{width:44px;height:44px;border-radius:var(--radius-md);background:linear-gradient(135deg,#2563eb,#1e40af);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.125rem;margin-bottom:var(--spacing-md)}.platform-feature-card h3{font-size:1.25rem;font-weight:600;margin-bottom:.75rem;color:var(--color-headings)}.platform-feature-card p{font-size:.9375rem;color:var(--color-text-secondary);margin:0;line-height:1.65}.landing-cloud{position:relative;overflow:hidden;padding:var(--section-y) var(--container-padding)}.landing-cloud-photo{position:absolute;inset:0;z-index:0}.landing-cloud-photo 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.input-help,[data-theme=dark] .register-page .strength-text,[data-theme=dark] .register-page .requirement{color:var(--color-text)!important}[data-theme=dark] .register-page .requirement i{color:#f87171!important}[data-theme=dark] .login-page .register-link,[data-theme=dark] .register-page .login-link{color:var(--color-links)!important}[data-theme=dark] .register-page .terms-link,[data-theme=dark] .register-page .privacy-link,[data-theme=dark] .register-page .checkbox-label a{color:#93c5fd!important;text-decoration:underline;text-underline-offset:2px}[data-theme=dark] .login-page .register-link:hover,[data-theme=dark] .register-page .login-link:hover,[data-theme=dark] .register-page .terms-link:hover,[data-theme=dark] .register-page .privacy-link:hover,[data-theme=dark] .register-page .checkbox-label a:hover{color:#bfdbfe!important}[data-theme=dark] .login-page .register-prompt,[data-theme=dark] .register-page .login-prompt{border-top-color:var(--dm-border-strong)}[data-theme=dark] .login-page .input-icon,[data-theme=dark] .register-page .input-icon,[data-theme=dark] .login-page .password-toggle,[data-theme=dark] .register-page .password-toggle{color:var(--color-text-muted)!important}[data-theme=dark] .login-page .input-wrapper:focus-within .input-icon,[data-theme=dark] .register-page .input-wrapper:focus-within .input-icon{color:var(--color-links)!important}[data-theme=dark] .login-page .password-toggle:hover,[data-theme=dark] .register-page .password-toggle:hover{color:var(--color-links)!important;background:#3b82f61f!important}[data-theme=dark] .login-page .form-input,[data-theme=dark] .register-page .form-input{background:var(--dm-input)!important;border-color:var(--dm-border-strong)!important;color:var(--color-text)!important}[data-theme=dark] .login-page .form-input::placeholder,[data-theme=dark] .register-page .form-input::placeholder{color:var(--color-placeholder)!important}[data-theme=dark] .login-page .form-input:focus,[data-theme=dark] .register-page .form-input:focus{background:var(--dm-overlay)!important;border-color:#3b82f6!important;box-shadow:0 0 0 4px #3b82f626!important}[data-theme=dark] .login-page .checkmark,[data-theme=dark] .register-page .checkmark{border-color:var(--dm-border-strong);background:var(--dm-input)}[data-theme=dark] .login-page .checkbox-wrapper input[type=checkbox]:checked+.checkmark,[data-theme=dark] .register-page .checkbox-wrapper input[type=checkbox]:checked+.checkmark{background:#3b82f6;border-color:#3b82f6}[data-theme=dark] .login-page .submit-btn,[data-theme=dark] .register-page .submit-btn{color:#f8fafc!important;background:linear-gradient(135deg,#2563eb,#3b82f6)!important;border:none!important;padding:1rem 2rem!important;border-radius:12px!important;box-shadow:0 4px 14px #2563eb59!important;font-weight:600!important;opacity:1!important}[data-theme=dark] .login-page .submit-btn .btn-text,[data-theme=dark] .login-page .submit-btn .btn-icon,[data-theme=dark] .register-page .submit-btn .btn-text,[data-theme=dark] .register-page .submit-btn .btn-icon,[data-theme=dark] .register-page .submit-btn i{color:#f8fafc!important}[data-theme=dark] .login-page .submit-btn:hover:not(:disabled),[data-theme=dark] .register-page .submit-btn:hover:not(:disabled){background:linear-gradient(135deg,#1d4ed8,#2563eb)!important;box-shadow:0 6px 20px #2563eb73!important}[data-theme=dark] .register-page .submit-btn:disabled{opacity:.72!important;background:linear-gradient(135deg,#1e40af,#2563eb)!important;color:#e2e8f0!important;box-shadow:none!important;cursor:not-allowed}[data-theme=dark] .register-page .submit-btn:disabled .btn-text,[data-theme=dark] .register-page .submit-btn:disabled .btn-icon,[data-theme=dark] .register-page .submit-btn:disabled i{color:#e2e8f0!important}[data-theme=dark] .login-page .submit-btn .btn-text:after{display:none}[data-theme=dark] .register-page .security-indicator{background:#3b82f624;color:#93c5fd;border-color:#3b82f659}[data-theme=dark] .register-page .password-strength{background:var(--dm-overlay)}[data-theme=dark] .register-page .requirement.valid{color:#34d399!important}[data-theme=dark] .dashboard-header{border-bottom-color:var(--dm-border)}[data-theme=dark] .dashboard-card,[data-theme=dark] .dashboard-stat-card,[data-theme=dark] .dashboard-activity-card,[data-theme=dark] .feed-card,[data-theme=dark] .feed-settings-modal,[data-theme=dark] .feed-settings-content,[data-theme=dark] .feeds-page .modal-content,[data-theme=dark] .feed-add-dropdown,[data-theme=dark] .feed-type-option,[data-theme=dark] .feed-details-header,[data-theme=dark] .feed-details-info-card,[data-theme=dark] .feed-details-descriptions-panel,[data-theme=dark] .feed-details-description-card,[data-theme=dark] .analytics-card,[data-theme=dark] .analytics-chart-card,[data-theme=dark] .stg-panel,[data-theme=dark] .stg-card,[data-theme=dark] .stg-form-card,[data-theme=dark] .stg-voice-card,[data-theme=dark] .stg-face-card{background:var(--dm-elevated);border-color:var(--dm-border);box-shadow:var(--dm-card-shadow);color:var(--color-text)}[data-theme=dark] .feed-card:hover{border-color:#3b82f64d;box-shadow:var(--dm-card-shadow-hover)}[data-theme=dark] .stg-sidebar{border-right-color:var(--dm-border)}[data-theme=dark] .stg-nav-item{color:var(--color-text-secondary)}[data-theme=dark] .stg-nav-item:hover{background:var(--dm-overlay);color:var(--color-headings)}[data-theme=dark] .stg-nav-item--active{background:#3b82f624;color:#93c5fd;box-shadow:inset 3px 0 #4d8ef7}[data-theme=dark] .stg-nav-icon{background:var(--dm-overlay);border-color:var(--dm-border-strong);color:var(--color-headings)}[data-theme=dark] .stg-nav-item--active .stg-nav-icon{background:#2563eb;border-color:#2563eb;color:#fff}[data-theme=dark] .feeds-page input,[data-theme=dark] .feeds-page select,[data-theme=dark] .feeds-page textarea,[data-theme=dark] .stg-page input,[data-theme=dark] .stg-page select,[data-theme=dark] .stg-page textarea{background:var(--dm-input);border-color:var(--dm-border-strong);color:var(--color-text)}[data-theme=dark] .feed-details-tab.active{background:#3b82f624;color:#93c5fd}[data-theme=dark] .feed-details-description-header,[data-theme=dark] .feed-details-meta-item{background:var(--dm-overlay);border-color:var(--dm-border)}[data-theme=dark] .dashboard .stat-card,[data-theme=dark] .chart-card{background:var(--dm-elevated)!important;border-color:var(--dm-border)!important;box-shadow:var(--dm-card-shadow)!important;color:var(--color-text)}[data-theme=dark] .stat-card-title,[data-theme=dark] .feeds-stat-label,[data-theme=dark] .feed-analytics-metric-lbl,[data-theme=dark] .feed-analytics-cell-lbl,[data-theme=dark] .feed-analytics-item-meta dt,[data-theme=dark] .feed-analytics-tags-label{color:var(--color-text-secondary)!important}[data-theme=dark] .stat-card-value,[data-theme=dark] .feeds-stat-value,[data-theme=dark] .feed-analytics-metric-num,[data-theme=dark] .feed-analytics-cell-val,[data-theme=dark] .feed-analytics-item-info h3{color:var(--color-headings)!important}[data-theme=dark] .chart-card-title{color:var(--color-headings)!important;border-bottom-color:var(--dm-border)!important}[data-theme=dark] .chart-card .recharts-text,[data-theme=dark] .chart-card .recharts-legend-item-text{fill:var(--color-text-secondary)!important}[data-theme=dark] .feeds-stat-card{background:var(--dm-elevated)!important;border-color:var(--dm-border)!important;box-shadow:var(--dm-card-shadow)!important}[data-theme=dark] .feeds-stat-card--active .feeds-stat-value{color:#34d399!important}[data-theme=dark] .feed-card-url{background:var(--dm-input)!important;border-color:var(--dm-border-strong)!important;color:var(--color-text-secondary)!important}[data-theme=dark] .feed-card-date,[data-theme=dark] .feed-card-date i{color:var(--color-text-muted)!important}[data-theme=dark] .feed-card-monitoring{border-top-color:var(--dm-border)!important}[data-theme=dark] .feed-monitoring-label,[data-theme=dark] .feed-monitoring-all{color:var(--color-text-secondary)!important}[data-theme=dark] .feed-monitoring-label i{color:var(--color-links)!important}[data-theme=dark] .feed-tag{background:#3b82f61f!important;color:#93c5fd!important;border-color:#3b82f640!important}[data-theme=dark] .feed-tag-more{background:var(--dm-overlay)!important;color:var(--color-text-muted)!important;border-color:var(--dm-border)!important}[data-theme=dark] .feed-analytics-top{border-bottom-color:var(--dm-border)!important}[data-theme=dark] .feed-analytics-heading{color:var(--color-headings)!important}[data-theme=dark] .feed-analytics-lead,[data-theme=dark] .feed-analytics-section-title{color:var(--color-text-secondary)!important}[data-theme=dark] .feed-analytics-top-action{background:var(--dm-elevated)!important;border-color:var(--dm-border-strong)!important;color:var(--color-text)!important}[data-theme=dark] .feed-analytics-top-action:hover{background:var(--dm-overlay)!important;color:var(--color-headings)!important}[data-theme=dark] .feed-analytics-top-action i{color:var(--color-text-muted)!important}[data-theme=dark] .feed-analytics-metric,[data-theme=dark] .feed-analytics-item,[data-theme=dark] .feed-analytics-empty{background:var(--dm-elevated)!important;border-color:var(--dm-border)!important;box-shadow:var(--dm-card-shadow)!important;color:var(--color-text-secondary)!important}[data-theme=dark] .feed-analytics-item:hover{border-color:#3b82f64d!important;box-shadow:var(--dm-card-shadow-hover)!important}[data-theme=dark] .feed-analytics-item-url{background:var(--dm-input)!important;color:var(--color-text-muted)!important}[data-theme=dark] .feed-analytics-cell{background:var(--dm-overlay)!important;border-color:var(--dm-border)!important}[data-theme=dark] .feed-analytics-item-meta{border-top-color:var(--dm-border)!important}[data-theme=dark] .feed-analytics-item-meta dd{color:var(--color-text)!important}[data-theme=dark] .feed-analytics-count{background:#3b82f624!important;color:#93c5fd!important}[data-theme=dark] .feed-analytics-tag{background:#3b82f61f!important;color:#93c5fd!important}[data-theme=dark] .feed-analytics-tag.muted{background:var(--dm-overlay)!important;color:var(--color-text-muted)!important}[data-theme=dark] .feed-analytics-item-link{color:var(--color-links)!important}[data-theme=dark] .feed-analytics-item-link:hover{color:#93c5fd!important}[data-theme=dark] .feed-analytics-empty h2{color:var(--color-headings)!important}[data-theme=dark] .feed-analytics-empty p{color:var(--color-text-secondary)!important}[data-theme=dark] .stg-card,[data-theme=dark] .stg-security-tip{background:var(--dm-elevated)!important;border-color:var(--dm-border)!important;box-shadow:var(--dm-card-shadow)!important}[data-theme=dark] .stg-card-title,[data-theme=dark] .stg-security-tip-title,[data-theme=dark] .stg-main-title{color:var(--color-headings)!important}[data-theme=dark] .stg-card-desc,[data-theme=dark] .stg-main-desc,[data-theme=dark] .stg-security-tip-list,[data-theme=dark] .stg-field-note,[data-theme=dark] .stg-avatar-hint{color:var(--color-text-secondary)!important}[data-theme=dark] .stg-main-eyebrow{color:#93c5fd!important}[data-theme=dark] .stg-field label{color:var(--color-headings)!important}[data-theme=dark] .stg-input{background:var(--dm-input)!important;border-color:var(--dm-border-strong)!important;color:var(--color-text)!important}[data-theme=dark] .stg-input::placeholder{color:var(--color-placeholder)!important}[data-theme=dark] .stg-input--disabled{background:var(--dm-overlay)!important;color:var(--color-text-muted)!important;border-color:var(--dm-border)!important}[data-theme=dark] .stg-input-group-icon{color:var(--color-text-muted)!important}[data-theme=dark] .stg-input-group:focus-within .stg-input-group-icon{color:var(--color-links)!important}[data-theme=dark] .stg-card-intro{border-bottom-color:var(--dm-border)!important}[data-theme=dark] .stg-btn--primary:disabled{background:var(--dm-overlay)!important;color:var(--color-text-muted)!important;border:1px solid var(--dm-border-strong)!important;opacity:1!important}[data-theme=dark] .stg-btn--ghost{color:var(--color-text-secondary)!important;border-color:var(--dm-border-strong)!important}[data-theme=dark] .stg-btn--ghost:hover:not(:disabled){background:var(--dm-overlay)!important;color:var(--color-headings)!important}[data-theme=dark] .stg-count-badge{background:var(--dm-overlay)!important;color:var(--color-text-secondary)!important}[data-theme=dark] .stg-voice-row--active{background:linear-gradient(90deg,rgba(59,130,246,.14) 0%,transparent 100%)!important}[data-theme=dark] .stg-voice-select{background:var(--dm-elevated)!important;border-color:var(--dm-border-strong)!important;color:var(--color-text)!important}[data-theme=dark] .stg-voice-row--active .stg-voice-select{background:#3b82f61a!important;border-color:#3b82f673!important;box-shadow:0 0 0 1px #3b82f640!important}[data-theme=dark] .stg-voice-icon{background:var(--dm-overlay)!important;border-color:var(--dm-border-strong)!important;color:var(--color-headings)!important}[data-theme=dark] .stg-voice-row--active .stg-voice-icon{background:#2563eb!important;border-color:#2563eb!important;color:#fff!important}[data-theme=dark] .stg-voice-name{color:var(--color-headings)!important}[data-theme=dark] .stg-voice-desc,[data-theme=dark] .stg-voice-accent{color:var(--color-text-secondary)!important}[data-theme=dark] .stg-voice-nature{color:#93c5fd!important}[data-theme=dark] .stg-voice-active-tag{background:#3b82f633!important;color:#bfdbfe!important}[data-theme=dark] .stg-voice-play{background:var(--dm-overlay)!important;border:1px solid var(--dm-border-strong)!important;color:var(--color-text)!important}[data-theme=dark] .stg-voice-play:hover{background:var(--dm-elevated)!important;color:var(--color-headings)!important}[data-theme=dark] .stg-voice-play--active{background:#3b82f633!important;color:#93c5fd!important;border-color:#3b82f666!important}[data-theme=dark] .stg-face-drop{background:var(--dm-input)!important;border-color:var(--dm-border-strong)!important;color:var(--color-text-secondary)!important}[data-theme=dark] .stg-face-drop:hover:not(:disabled){border-color:#4d8ef7!important;background:#3b82f61a!important;color:#93c5fd!important}[data-theme=dark] .stg-face-drop i{color:#6ba3f8!important}[data-theme=dark] .stg-face-row{background:var(--dm-overlay)!important;border-color:var(--dm-border)!important}[data-theme=dark] .stg-face-row:hover{background:var(--dm-elevated)!important;border-color:var(--dm-border-strong)!important}[data-theme=dark] .stg-face-row-name{color:var(--color-headings)!important}[data-theme=dark] .stg-face-row-date,[data-theme=dark] .stg-empty{color:var(--color-text-muted)!important}[data-theme=dark] .header-user-role{color:#9fb0c8!important}[data-theme=dark] .stg-nav-label{color:var(--color-headings)!important}[data-theme=dark] .stg-nav-desc{color:#8b9ab3!important}[data-theme=dark] .stg-nav-item:hover .stg-nav-desc{color:var(--color-text-secondary)!important}[data-theme=dark] .chat-page{--chat-page-bg: var(--dm-raised);--chat-page-bg-end: var(--dm-base);--chat-sidebar-bg: var(--dm-elevated);--chat-sidebar-border: var(--dm-border);--chat-main-bg: var(--dm-raised);--chat-conv-bg: var(--dm-base);--chat-header-bg: var(--dm-elevated);--chat-header-border: var(--dm-border);--chat-header-title: #f1f5f9;--chat-input-bg: var(--dm-elevated);--chat-input-border-top: var(--dm-border);--chat-panel-bg: var(--dm-elevated);--chat-panel-border: var(--dm-border);--chat-active-session: rgba(59, 130, 246, .14);--chat-active-session-text: #bfdbfe;--chat-active-session-meta: #8b9ab3;--chat-hover-session: var(--dm-overlay);--chat-avatar-user-bg: rgba(59, 130, 246, .2);--chat-avatar-user-text: #93c5fd;--chat-thinking-border: rgba(59, 130, 246, .4);--chat-thinking-bg: var(--dm-overlay);--chat-accent-soft: rgba(59, 130, 246, .12);--chat-accent-border: rgba(59, 130, 246, .35);--chat-accent-muted: rgba(59, 130, 246, .08);--chat-user-bubble: #2563eb;--chat-user-bubble-shadow: rgba(37, 99, 235, .3);--chat-assistant-bubble-bg: var(--dm-elevated);--chat-assistant-bubble-text: #e2e8f0;--chat-assistant-bubble-border: var(--dm-border);--chat-assistant-bubble-shadow: 0 2px 8px rgba(0, 0, 0, .3);--chat-typing-bubble-bg: var(--dm-elevated);--chat-typing-bubble-from-bg: var(--dm-elevated);--chat-typing-bubble-border: rgba(59, 130, 246, .35);--chat-typing-bubble-shadow: 0 2px 8px rgba(0, 0, 0, .3);--chat-answer-stream-text: #e8edf5}[data-theme=dark] .chat-sidebar{background:var(--chat-sidebar-bg);border-color:var(--chat-sidebar-border)}[data-theme=dark] .chat-mobile-toolbar{background:var(--dm-raised);border-color:var(--dm-border)}[data-theme=dark] .chat-mobile-chats-btn{background:var(--dm-overlay);border-color:var(--dm-border-strong);color:var(--color-text-secondary)}[data-theme=dark] .chat-mobile-chats-btn:hover{background:#3b82f624;border-color:#3b82f659;color:#93c5fd}[data-theme=dark] .chat-mobile-session-title{color:var(--color-headings)}[data-theme=dark] .chat-sidebar-mobile-header{border-color:var(--dm-border)}[data-theme=dark] .chat-sidebar-close{background:var(--dm-overlay);border-color:var(--dm-border-strong);color:var(--color-text-secondary)}[data-theme=dark] .chat-main,[data-theme=dark] .chat-interface{background:var(--chat-main-bg);border-color:var(--chat-sidebar-border)}[data-theme=dark] .chat-manage-btn{background:var(--dm-overlay);border-color:var(--dm-border-strong);color:var(--color-text-secondary)}[data-theme=dark] .chat-manage-btn:hover,[data-theme=dark] .chat-manage-btn.active{background:#3b82f624;border-color:#3b82f659;color:#93c5fd}[data-theme=dark] .chat-sidebar-selection-bar{background:var(--dm-overlay);border-color:var(--dm-border);color:var(--color-text-secondary)}[data-theme=dark] .chat-selection-all-btn{background:var(--dm-input);border-color:var(--dm-border-strong);color:var(--color-text-secondary)}[data-theme=dark] .chat-session-title{color:#c8d2e0}[data-theme=dark] .chat-session-meta,[data-theme=dark] .chat-sessions-empty{color:var(--color-text-muted)}[data-theme=dark] .chat-session-item:hover{background:var(--chat-hover-session);box-shadow:none}[data-theme=dark] .chat-session-delete:hover{background:#ef44441f}[data-theme=dark] .chat-alert{background:#ef44441f;border-bottom-color:#ef444440;color:#fca5a5}[data-theme=dark] .chat-alert-close{color:#fca5a5}[data-theme=dark] .chat-empty-title{color:var(--color-headings)}[data-theme=dark] .chat-empty-text{color:var(--color-text-secondary)}[data-theme=dark] .message-list{background:var(--chat-conv-bg)}[data-theme=dark] .message-list-empty{color:var(--color-text-muted)}[data-theme=dark] .message-bubble-assistant,[data-theme=dark] .message-bubble-typing{background:var(--chat-assistant-bubble-bg);color:var(--chat-assistant-bubble-text);border:1px solid var(--chat-assistant-bubble-border);box-shadow:var(--chat-assistant-bubble-shadow)}[data-theme=dark] .message-bubble-thinking{background:var(--dm-overlay);border:1px dashed rgba(59,130,246,.45);box-shadow:0 2px 12px #3b82f614;color:#e2e8f0}[data-theme=dark] .message-bubble-thinking:before{background:linear-gradient(105deg,transparent 40%,rgba(59,130,246,.06) 50%,transparent 60%)}[data-theme=dark] .message-answer-stream{color:var(--chat-answer-stream-text)}[data-theme=dark] .message-avatar-assistant,[data-theme=dark] .message-avatar-thinking{background:var(--dm-overlay);border-color:var(--dm-border-strong)}[data-theme=dark] .message-avatar-user{background:#3b82f633;color:#93c5fd}[data-theme=dark] .message-timestamp,[data-theme=dark] .message-time{color:var(--color-text-muted);opacity:1}[data-theme=dark] .message-bubble-assistant .message-timestamp,[data-theme=dark] .message-bubble-thinking .message-timestamp,[data-theme=dark] .message-bubble-typing .message-timestamp{color:#9fb0c8!important;opacity:1}[data-theme=dark] .message-bubble-user .message-timestamp{color:#ffffffe0!important;opacity:1}[data-theme=dark] .message-scan-report-link{color:#6ba3f8!important}[data-theme=dark] .message-scan-report-link:hover:not(:disabled){color:#93c5fd!important}[data-theme=dark] .message-scan-report-progress-bar{background:var(--dm-overlay)}[data-theme=dark] .message-scan-report-progress-fill{background:#4d8ef7}[data-theme=dark] .thinking-panel-badge{color:#93c5fd;background:#3b82f624;border-color:#3b82f659}[data-theme=dark] .thinking-panel-current{color:#bfdbfe}[data-theme=dark] .thinking-panel-line{color:var(--color-text-secondary)}[data-theme=dark] .thinking-panel-history{border-top-color:#3b82f633}[data-theme=dark] .message-input-wrap,[data-theme=dark] .message-input{background:var(--chat-input-bg);border-top-color:var(--chat-input-border-top)}[data-theme=dark] .message-input-mode-bar{background:transparent}[data-theme=dark] .message-input-ranger-toggle{color:var(--color-text-secondary)}[data-theme=dark] .message-input-ranger-toggle-track{background:var(--dm-overlay)}[data-theme=dark] .message-input-info-btn{background:var(--dm-overlay);border-color:var(--dm-border-strong);color:var(--color-text-secondary)}[data-theme=dark] .message-input-info-btn:hover,[data-theme=dark] .message-input-info-btn:focus-visible{background:#3b82f624;border-color:#3b82f666;color:#93c5fd}[data-theme=dark] .message-input-preview{background:var(--dm-overlay);border-bottom-color:var(--dm-border)}[data-theme=dark] .message-input-preview-name{color:var(--color-text-secondary)}[data-theme=dark] .message-input-attach,[data-theme=dark] .message-input-voice{background:var(--dm-overlay);border-color:var(--dm-border-strong);color:var(--color-text-secondary)}[data-theme=dark] .message-input-attach:hover:not(:disabled){background:#3b82f624;border-color:#3b82f659;color:#93c5fd}[data-theme=dark] .message-input-field{background:var(--dm-input);border-color:var(--dm-border-strong);color:#e8edf5}[data-theme=dark] .message-input-field::placeholder{color:var(--color-text-muted)}[data-theme=dark] .message-input-field:hover{border-color:#3b82f666}[data-theme=dark] .message-input-field:focus{border-color:#4d8ef7;box-shadow:0 0 0 3px #3b82f62e}[data-theme=dark] .message-input-field:disabled{background:var(--dm-overlay);opacity:.6}[data-theme=dark] .message-input-voice-error{background:#ef44441a;border-color:#ef444440;color:#fca5a5}[data-theme=dark] .answer-images-panel{background:var(--dm-elevated);border-left-color:var(--dm-border)}[data-theme=dark] .answer-images-panel-header{background:var(--dm-overlay);border-bottom-color:var(--dm-border)}[data-theme=dark] .answer-images-panel-header i,[data-theme=dark] .answer-images-panel-title{color:var(--color-text-secondary)}[data-theme=dark] .answer-images-panel-empty{color:var(--color-text-muted)}[data-theme=dark] .answer-images-panel-item{background:var(--dm-overlay);border-color:var(--dm-border)}[data-theme=dark] .answer-images-panel-label{color:var(--color-text-secondary)}[data-theme=dark] .demo-page{background:var(--dm-base)}[data-theme=dark] .demo-background-overlay{background:radial-gradient(ellipse 60% 50% at 30% 20%,rgba(59,130,246,.1) 0%,transparent 55%),radial-gradient(ellipse 50% 40% at 70% 80%,rgba(37,99,235,.06) 0%,transparent 50%)}[data-theme=dark] .demo-main-content,[data-theme=dark] .demo-video-section,[data-theme=dark] .demo-info-panel{background:var(--dm-elevated);border-color:var(--dm-border);box-shadow:var(--dm-card-shadow)}[data-theme=dark] .demo-title{color:var(--color-headings)}[data-theme=dark] .demo-subtitle{color:var(--color-text-secondary)}[data-theme=dark] .stat-pill{background:var(--dm-elevated);border-color:var(--dm-border);box-shadow:var(--dm-card-shadow)}[data-theme=dark] .stat-pill-value{color:#6ba3f8}[data-theme=dark] .layout-main,[data-theme=dark] .landing,[data-theme=dark] .login-page .form-section,[data-theme=dark] .register-page .form-section,[data-theme=dark] .demo-page{color:var(--color-text)}[data-theme=dark] .layout-main h1,[data-theme=dark] .layout-main h2,[data-theme=dark] .layout-main h3,[data-theme=dark] .layout-main h4,[data-theme=dark] .layout-main h5,[data-theme=dark] .layout-main h6{color:var(--color-headings)}[data-theme=dark] .layout-main label,[data-theme=dark] .layout-main p,[data-theme=dark] .layout-main td,[data-theme=dark] .layout-main th,[data-theme=dark] .layout-main li{color:inherit}[data-theme=dark] .text-secondary,[data-theme=dark] .home-page .hero-subtitle,[data-theme=dark] .home-page .section-subtitle,[data-theme=dark] .home-page .feature-description,[data-theme=dark] .home-page .demo-content p,[data-theme=dark] .home-page .demo-features li,[data-theme=dark] .home-page .stat-label,[data-theme=dark] .landing .section-description,[data-theme=dark] .landing .hero-tagline,[data-theme=dark] .landing .capability-item p,[data-theme=dark] .landing .tool-subtitle,[data-theme=dark] .landing .tool-features li,[data-theme=dark] .landing .platform-feature-card p,[data-theme=dark] .stat-pill-label,[data-theme=dark] .header-user-role,[data-theme=dark] .feed-meta,[data-theme=dark] .feed-card-meta,[data-theme=dark] .description-meta,[data-theme=dark] .analytics-meta,[data-theme=dark] .settings-hint,[data-theme=dark] .settings-label-muted,[data-theme=dark] .chat-session-meta,[data-theme=dark] .message-timestamp,[data-theme=dark] .message-time,[data-theme=dark] .auth-image-error,[data-theme=dark] .auth-image-loading{color:var(--color-text-muted)!important}[data-theme=dark] .home-page .hero-title,[data-theme=dark] .home-page .section-title,[data-theme=dark] .home-page .feature-title,[data-theme=dark] .home-page .demo-content h3{color:var(--color-headings)!important;-webkit-text-fill-color:var(--color-headings)!important}[data-theme=dark] .dashboard-title,[data-theme=dark] .dashboard-stat-value,[data-theme=dark] .dashboard-card h3,[data-theme=dark] .dashboard-activity-card h3{color:var(--color-headings)!important}[data-theme=dark] .dashboard-subtitle,[data-theme=dark] .dashboard-stat-label,[data-theme=dark] .dashboard-activity-item,[data-theme=dark] .dashboard-card p{color:var(--color-text-secondary)!important}[data-theme=dark] .feeds-page,[data-theme=dark] .feed-card,[data-theme=dark] .feed-settings-content,[data-theme=dark] .feeds-page .modal-content{color:var(--color-text)!important}[data-theme=dark] .feed-card-title,[data-theme=dark] .feed-settings-header h2,[data-theme=dark] .feeds-page .modal-header h2,[data-theme=dark] .feed-type-option-title{color:var(--color-headings)!important}[data-theme=dark] .feed-card-meta,[data-theme=dark] .feed-card-url,[data-theme=dark] .feed-card-status-text,[data-theme=dark] .feed-settings-header p,[data-theme=dark] .feed-settings-label,[data-theme=dark] .feed-empty-text,[data-theme=dark] .feeds-page .modal-body,[data-theme=dark] .feed-type-option-desc{color:var(--color-text-secondary)!important}[data-theme=dark] .feed-add-section input,[data-theme=dark] .feed-add-section select,[data-theme=dark] .feed-settings-content input,[data-theme=dark] .feed-settings-content select,[data-theme=dark] .feed-settings-content textarea{color:var(--color-text)!important}[data-theme=dark] .feed-settings-tabs button{color:var(--color-text-secondary)!important}[data-theme=dark] .feed-settings-tabs button.active{color:#93c5fd!important}[data-theme=dark] .feed-details-page,[data-theme=dark] .feed-analytics-page,[data-theme=dark] .feed-details-info-card,[data-theme=dark] .feed-details-description-card,[data-theme=dark] .analytics-card{color:var(--color-text)!important}[data-theme=dark] .feed-details-title,[data-theme=dark] .feed-details-info-header h2,[data-theme=dark] .analytics-title,[data-theme=dark] .analytics-card h3,[data-theme=dark] .feed-details-description-text,[data-theme=dark] .feed-details-tab-panel h3{color:var(--color-headings)!important}[data-theme=dark] .feed-details-meta-item,[data-theme=dark] .feed-details-meta-label,[data-theme=dark] .feed-details-meta-value,[data-theme=dark] .feed-details-description-meta,[data-theme=dark] .feed-details-tab,[data-theme=dark] .analytics-meta,[data-theme=dark] .analytics-stat-label,[data-theme=dark] .feed-details-empty{color:var(--color-text-secondary)!important}[data-theme=dark] .feed-details-tab.active{color:#93c5fd!important}[data-theme=dark] .stg-page,[data-theme=dark] .stg-card,[data-theme=dark] .stg-panel,[data-theme=dark] .stg-form-card{color:var(--color-text)!important}[data-theme=dark] .stg-main-header h1,[data-theme=dark] .stg-card h2,[data-theme=dark] .stg-card h3,[data-theme=dark] .stg-nav-label,[data-theme=dark] .stg-sidebar-user{color:var(--color-headings)!important}[data-theme=dark] .stg-sidebar-label,[data-theme=dark] .stg-nav-desc,[data-theme=dark] .stg-nav-item,[data-theme=dark] .stg-field-hint,[data-theme=dark] .stg-field-label,[data-theme=dark] .stg-card p,[data-theme=dark] .stg-voice-name,[data-theme=dark] .stg-face-name{color:var(--color-text-secondary)!important}[data-theme=dark] .stg-nav-item--active,[data-theme=dark] .stg-nav-item--active .stg-nav-label{color:#93c5fd!important}[data-theme=dark] .stg-nav-item--active .stg-nav-desc{color:#bfdbfe!important}[data-theme=dark] .form-section .form-header h1,[data-theme=dark] .register-page .form-section .form-header h1{background:none!important;-webkit-background-clip:unset!important;background-clip:unset!important;-webkit-text-fill-color:var(--color-headings)!important;color:var(--color-headings)!important}[data-theme=dark] .form-section .form-header p,[data-theme=dark] .form-section label,[data-theme=dark] .form-section .remember-me label,[data-theme=dark] .form-section .terms-checkbox label,[data-theme=dark] .form-section .form-footer p,[data-theme=dark] .form-section .divider span{color:var(--color-text-secondary)!important}[data-theme=dark] .form-section input,[data-theme=dark] .form-section textarea{color:var(--color-text)!important}[data-theme=dark] .form-section input::placeholder{color:var(--color-placeholder)!important}[data-theme=dark] .landing .section-title,[data-theme=dark] .tool-title,[data-theme=dark] .platform-feature-card h3,[data-theme=dark] .landing .resi-capabilities-title{color:var(--color-headings)!important}[data-theme=dark] .landing .section-description,[data-theme=dark] .tool-subtitle,[data-theme=dark] .tool-card p,[data-theme=dark] .platform-feature-card p,[data-theme=dark] .landing-nav-links a{color:var(--color-text-secondary)!important}[data-theme=dark] .landing-nav-links a:hover{color:var(--color-links)!important}[data-theme=dark] .chat-sidebar-selection-bar,[data-theme=dark] .chat-sidebar-selection-bar-count{color:var(--color-headings)!important}[data-theme=dark] .chat-selection-all-btn{color:var(--color-text-secondary)!important}[data-theme=dark] .chat-selection-all-btn:hover:not(:disabled){color:#93c5fd!important}[data-theme=dark] .chat-selection-cancel-btn{color:var(--color-text-secondary)!important;background:var(--dm-overlay)!important;border:1px solid var(--dm-border-strong)!important}[data-theme=dark] .chat-selection-cancel-btn:hover{color:var(--color-headings)!important;background:var(--dm-elevated)!important}[data-theme=dark] .chat-selection-delete-btn{background:#ef444429!important;color:#fca5a5!important}[data-theme=dark] .chat-selection-delete-btn:hover:not(:disabled){background:#ef44443d!important;color:#fecaca!important}[data-theme=dark] .chat-session-title{color:#d4dce8!important}[data-theme=dark] .chat-session-item.active .chat-session-title{color:#e8f0ff!important}[data-theme=dark] .chat-session-meta{color:var(--color-text-muted)!important}[data-theme=dark] .chat-session-item.active .chat-session-meta{color:#9fb4d4!important}[data-theme=dark] .chat-session-delete{color:var(--color-text-muted)!important}[data-theme=dark] .chat-manage-btn{color:var(--color-text-secondary)!important}[data-theme=dark] .chat-conversation-title{color:var(--color-headings)!important}[data-theme=dark] .chat-sessions-empty,[data-theme=dark] .message-list-empty{color:var(--color-text-muted)!important}[data-theme=dark] .message-bubble-assistant,[data-theme=dark] .message-bubble-typing,[data-theme=dark] .message-answer-stream,[data-theme=dark] .message-content,[data-theme=dark] .message-bubble-assistant p,[data-theme=dark] .message-bubble-assistant span{color:#e8edf5!important}[data-theme=dark] .message-input-ranger-toggle,[data-theme=dark] .message-input-ranger-toggle-label,[data-theme=dark] .message-input-preview-name,[data-theme=dark] .message-input-attach,[data-theme=dark] .message-input-voice,[data-theme=dark] .message-input-info-btn{color:var(--color-text-secondary)!important}[data-theme=dark] .demo-title,[data-theme=dark] .demo-info-panel h2,[data-theme=dark] .demo-description-card h3{color:var(--color-headings)!important}[data-theme=dark] .demo-subtitle,[data-theme=dark] .demo-info-panel p,[data-theme=dark] .demo-description-card p,[data-theme=dark] .demo-placeholder{color:var(--color-text-secondary)!important}[data-theme=dark] .class-selector,[data-theme=dark] .class-selector-panel{color:var(--color-text)!important}[data-theme=dark] .class-selector h3,[data-theme=dark] .class-selector-title{color:var(--color-headings)!important}[data-theme=dark] .class-selector p,[data-theme=dark] .class-selector-label,[data-theme=dark] .class-selector-item{color:var(--color-text-secondary)!important}[data-theme=dark] .loading-logo-text,[data-theme=dark] .loading-logo-line1{color:var(--color-headings)!important}[data-theme=dark] .alert,[data-theme=dark] .flash-messages,[data-theme=dark] .form-error{color:var(--color-text)!important}[data-theme=dark] .alert-error,[data-theme=dark] .flash-messages .error{color:#fca5a5!important}:root{--color-background: #FFFFFF;--color-text: #000000;--color-headings: #111827;--color-text-secondary: #374151;--color-primary-cta: #2563EB;--color-links: #1D4ED8;--color-hover: #1E40AF;--color-cards: #F9FAFB;--color-border: #E5E7EB;--color-primary: #2563EB;--color-primary-dark: #1E40AF;--color-primary-light: #E5E7EB;--color-surface: #F9FAFB;--color-surface-hover: #F9FAFB;--color-text-tertiary: #374151;--color-text-inverse: #FFFFFF;--color-border-light: #E5E7EB;--color-divider: #E5E7EB;--button-padding-y: .75rem;--button-padding-x: 1.5rem;--button-padding-sm-y: .5rem;--button-padding-sm-x: 1rem;--button-font-size: 1rem;--button-font-size-sm: .875rem;--button-font-weight: 500;--button-border-radius: var(--radius-md);--button-border-width: 1px;--button-primary-bg: var(--color-primary-cta);--button-primary-color: var(--color-text-inverse);--button-primary-hover-bg: var(--color-hover);--button-primary-border: transparent;--button-primary-hover-border: transparent;--button-secondary-bg: var(--color-surface);--button-secondary-color: var(--color-text);--button-secondary-border: var(--color-border);--button-secondary-hover-bg: var(--color-surface);--button-secondary-hover-color: var(--color-primary-cta);--button-secondary-hover-border: var(--color-primary-cta);--button-danger-bg: var(--color-error);--button-danger-color: var(--color-text-inverse);--button-danger-hover-bg: var(--color-error);--button-danger-border: transparent;--button-success-bg: var(--color-success);--button-success-color: var(--color-text-inverse);--button-success-hover-bg: var(--color-success);--button-success-border: transparent;--button-warning-bg: var(--color-warning);--button-warning-color: var(--color-text-inverse);--button-warning-hover-bg: var(--color-warning);--button-warning-border: transparent;--color-success: #2563EB;--color-warning: #2563EB;--color-error: #2563EB;--color-info: #2563EB;--color-neutral: #374151;--color-error-bg: #F9FAFB;--color-error-text: #000000;--color-success-bg: #F9FAFB;--color-info-bg: #F9FAFB;--font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-heading: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing-xs: .5rem;--spacing-sm: .75rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 1.5rem;--spacing-2xl: 2.5rem;--spacing-3xl: 3.5rem;--logo-size-header: 84px;--logo-size-header-mobile: 68px;--logo-size-nav: 78px;--logo-size-footer: 54px;--logo-size-panel: 140px;--logo-size-loading: 160px;--logo-size-loading-inline: 110px;--logo-size-loading-tablet: 130px;--logo-size-loading-mobile: 120px;--logo-size-loading-inline-mobile: 96px;--logo-size-demo: 160px;--logo-size-demo-tablet: 140px;--logo-size-demo-mobile: 120px;--logo-size-chat-avatar: 84px;--logo-size-chat-avatar-mobile: 68px;--logo-size-chat-empty: 220px;--logo-max-width: 280px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--transition-default: all .3s cubic-bezier(.4, 0, .2, 1);--transition-fast: all .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: all .4s cubic-bezier(.4, 0, .2, 1);--transition-bounce: all .3s cubic-bezier(.68, -.55, .265, 1.55);--animation-duration-fast: .2s;--animation-duration-normal: .3s;--animation-duration-slow: .5s;--header-bar-bg: rgba(255, 255, 255, .92);--header-bar-border: rgba(0, 0, 0, .06);--header-user-info-bg: #f9fafb;--header-user-info-border: #e5e7eb;--header-username-color: #1f2937;--header-logout-bg: #eff6ff;--header-logout-border: #bfdbfe;--header-logout-color: #2563eb;--header-menu-toggle-bg: #f3f4f6;--header-menu-toggle-border: #e5e7eb;--header-hamburger-color: #374151;--theme-toggle-bg: #f3f4f6;--theme-toggle-border: #e5e7eb;--theme-toggle-color: #374151;--theme-toggle-hover-bg: #e5e7eb;--theme-toggle-hover-color: #1f2937;--theme-toggle-hover-border: #d1d5db;--layout-bg: linear-gradient(135deg, #f0f9ff 0%, #ffffff 50%, #f8fafc 100%);--layout-main-bg: #f8fafc;--layout-overlay-opacity: 1}[data-theme=dark]{--dm-base: #080d18;--dm-raised: #0e1526;--dm-elevated: #151d30;--dm-overlay: #1a2438;--dm-input: #121a2c;--dm-border: rgba(148, 163, 184, .14);--dm-border-strong: rgba(148, 163, 184, .22);--dm-glow: rgba(59, 130, 246, .12);--dm-card-shadow: 0 4px 20px rgba(0, 0, 0, .45), 0 0 0 1px var(--dm-border);--dm-card-shadow-hover: 0 8px 28px rgba(0, 0, 0, .55), 0 0 0 1px rgba(59, 130, 246, .25);--color-background: var(--dm-base);--color-text: #e8edf5;--color-headings: #f8fafc;--color-text-secondary: #b8c8dc;--color-primary-cta: #4d8ef7;--color-links: #6ba3f8;--color-hover: #93c5fd;--color-cards: var(--dm-elevated);--color-border: var(--dm-border-strong);--color-primary: #4d8ef7;--color-primary-dark: #6ba3f8;--color-primary-light: #1a2d4d;--color-surface: var(--dm-overlay);--color-surface-hover: #222d42;--color-text-tertiary: #9aabbf;--color-text-inverse: #080d18;--color-border-light: var(--dm-border);--color-divider: var(--dm-border);--button-secondary-bg: rgba(59, 130, 246, .08);--button-secondary-color: #93c5fd;--button-secondary-border: rgba(59, 130, 246, .35);--button-secondary-hover-bg: rgba(59, 130, 246, .16);--button-secondary-hover-color: #bfdbfe;--button-secondary-hover-border: rgba(59, 130, 246, .55);--color-error-bg: rgba(239, 68, 68, .1);--color-error-text: #fca5a5;--color-success-bg: rgba(34, 197, 94, .1);--color-info-bg: rgba(59, 130, 246, .1);--color-text-muted: #9fb0c8;--color-text-subtle: #8494ad;--color-text-on-dark: #f1f5f9;--color-text-on-dark-muted: #b8c4d6;--color-text-on-dark-subtle: #8b9ab3;--color-accent-text: #6ba3f8;--color-accent-text-strong: #93c5fd;--color-badge-bg: rgba(59, 130, 246, .14);--color-badge-border: rgba(59, 130, 246, .4);--color-badge-text: #93c5fd;--color-placeholder: #8494ad;--color-footer-heading: #f1f5f9;--color-footer-text: #a8b4c8;--color-footer-link: #c8d2e0;--color-footer-copy: #7b8ba3;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--shadow-md: 0 4px 16px rgba(0, 0, 0, .45);--shadow-lg: 0 8px 28px rgba(0, 0, 0, .5);--shadow-xl: 0 16px 40px 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