:root{--bg-app: #0B0E11;--bg-sidebar: #0F1318;--bg-surface: #141921;--bg-surface-raised: #1A2030;--bg-surface-overlay: #1E2538;--bg-input: #111620;--bg-inbound-bubble: #1C2333;--bg-outbound-bubble: #0D3B2E;--text-primary: #E8ECF1;--text-secondary: #8B95A5;--text-tertiary: #5A6578;--text-on-accent: #0B0E11;--text-link: #4DA3FF;--accent-primary: #00B37E;--accent-primary-hover: #00CC8E;--accent-primary-muted: rgba(0, 179, 126, .12);--accent-secondary: #4DA3FF;--accent-secondary-hover: #6BB5FF;--status-online: #34D399;--status-away: #FBBF24;--status-offline: #6B7280;--error: #EF4444;--error-muted: rgba(239, 68, 68, .12);--warning: #F59E0B;--warning-muted: rgba(245, 158, 11, .12);--success: #10B981;--success-muted: rgba(16, 185, 129, .12);--unread-badge: #DC2626;--border-subtle: rgba(255, 255, 255, .06);--border-default: rgba(255, 255, 255, .1);--border-hover: rgba(255, 255, 255, .16);--border-accent: rgba(0, 179, 126, .5);--channel-whatsapp: #25D366;--channel-telegram: #26A5E4;--channel-max: #0077FF;--channel-avito: #00AAFF;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--font-mono: "SF Mono", SFMono-Regular, ui-monospace, "DejaVu Sans Mono", Menlo, Consolas, monospace;--text-xs-size: 11px;--text-xs-weight: 400;--text-xs-lh: 16px;--text-sm-size: 13px;--text-sm-weight: 400;--text-sm-lh: 18px;--text-base-size: 14px;--text-base-weight: 400;--text-base-lh: 20px;--text-md-size: 15px;--text-md-weight: 500;--text-md-lh: 22px;--text-lg-size: 16px;--text-lg-weight: 600;--text-lg-lh: 24px;--text-xl-size: 18px;--text-xl-weight: 600;--text-xl-lh: 26px;--text-2xl-size: 24px;--text-2xl-weight: 700;--text-2xl-lh: 32px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--radius-2xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--shadow-xl: 0 16px 48px rgba(0, 0, 0, .6);--transition-default: all .15s ease;--transition-press: transform .1s ease;--transition-panel: width .2s ease, opacity .15s ease;--topbar-height: 48px;--sidebar-width: 280px;--icon-rail-width: 56px;--conversation-list-width: 224px;--right-panel-width: 320px;--chat-header-height: 56px;--composer-min-height: 56px;--message-max-width: 680px;--tag-red-bg: rgba(239, 68, 68, .15);--tag-red-text: #F87171;--tag-orange-bg: rgba(249, 115, 22, .15);--tag-orange-text: #FB923C;--tag-yellow-bg: rgba(234, 179, 8, .15);--tag-yellow-text: #FACC15;--tag-green-bg: rgba(34, 197, 94, .15);--tag-green-text: #4ADE80;--tag-teal-bg: rgba(20, 184, 166, .15);--tag-teal-text: #2DD4BF;--tag-blue-bg: rgba(59, 130, 246, .15);--tag-blue-text: #60A5FA;--tag-purple-bg: rgba(168, 85, 247, .15);--tag-purple-text: #C084FC;--tag-pink-bg: rgba(236, 72, 153, .15);--tag-pink-text: #F472B6}