:root{--primary-color: #6366f1;--primary-hover: #4f46e5;--primary-dark: #4338ca;--secondary-color: #8b5cf6;--accent-color: #3b82f6;--accent-hover: #2563eb;--background-color: #0f172a;--card-bg: #1e293b;--text-color: #f8fafc;--text-primary: #f8fafc;--text-secondary: #94a3b8;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-hover: #475569;--user-message-bg: #3b82f6;--ai-message-bg: #1e293b;--error-color: #ef4444;--input-bg: #1e293b;--input-text: #f8fafc;--box-shadow: 0 4px 15px rgba(0, 0, 0, .1);--accent-glow: 0 0 10px rgba(99, 102, 241, .5);--border-color: #334155;--card-hover: #334155;--card-border: #475569;--code-bg: #111827;--code-text: #e2e8f0;--header-bg: #1e293b;--toggle-bg: #1e293b;--toggle-circle: #f8fafc}[data-theme=light]{--primary-color: #4f46e5;--primary-hover: #4338ca;--primary-dark: #3730a3;--secondary-color: #7c3aed;--accent-color: #3b82f6;--accent-hover: #2563eb;--background-color: #f8fafc;--card-bg: #ffffff;--text-color: #0f172a;--text-primary: 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