:root{--bg: #f4f5f9;--panel: #ffffff;--panel-2: #f8f9fc;--hover: #f1f3f8;--active: #ebeefe;--border: #e6e8ef;--border-strong: #d6d9e3;--text: #171a26;--text-2: #5c6274;--text-3: #9298a8;--accent: #5b5bd6;--accent-2: #4a4ac4;--accent-soft: #ededfd;--accent-text: #ffffff;--danger: #e5484d;--danger-soft: #fdecec;--success: #30a46c;--warning: #f5a524;--chat-bg: #eef0f6;--chat-pattern: rgba(91, 91, 214, .045);--bubble-in: #ffffff;--bubble-out: #e3e4ff;--bubble-out-text: #171a26;--bubble-meta: #8a90a2;--bubble-out-meta: #6f72b8;--system-bg: rgba(23, 26, 38, .06);--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow: 0 4px 16px rgba(16, 24, 40, .08);--shadow-lg: 0 18px 50px rgba(16, 24, 40, .18);--st-open: #3b82f6;--st-progress: #f59e0b;--st-waiting: #a855f7;--st-closed: #22a06b;--pr-low: #94a3b8;--pr-normal: #3b82f6;--pr-high: #f97316;--pr-urgent: #e5484d;--radius: 14px;--font: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, 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