:root{--blue-950: #0C1B3A;--blue-900: #172554;--blue-800: #1E3A6E;--blue-700: #1D4ED8;--blue-600: #2563EB;--blue-500: #3B82F6;--blue-400: #60A5FA;--blue-300: #93C5FD;--blue-200: #BFDBFE;--blue-100: #DBEAFE;--blue-50: #EFF6FF;--electric: #38bdf8;--electric-light: #e0f7ff;--cyan-500: #06b6d4;--cyan-400: #22d3ee;--cyan-300: #67e8f9;--indigo-600: #7c3aed;--indigo-500: #8b5cf6;--indigo-100: #ede9fe;--indigo-50: #f5f3ff;--gradient-primary: linear-gradient(135deg, #38bdf8 0%, #8b5cf6 100%);--gradient-primary-hover: linear-gradient(135deg, #22d3ee 0%, #7c3aed 100%);--gradient-soft: linear-gradient(135deg, #e0f7ff 0%, #ede9fe 100%);--green-700: #15803D;--green-600: #059669;--green-500: #10B981;--green-100: #D1FAE5;--green-50: #ECFDF5;--orange-600: #D97706;--orange-500: #F59E0B;--orange-100: #FEF3C7;--orange-50: #FFFBEB;--violet-600: #7C3AED;--violet-500: #8B5CF6;--violet-100: #EDE9FE;--violet-50: #F5F3FF;--red-600: #DC2626;--red-500: #EF4444;--red-50: #FEF2F2;--slate-950: #020617;--slate-900: 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p{font-size:.82rem;color:var(--slate-500);line-height:1.5}.preview-component{max-width:740px;margin:0 auto}.preview-tabs{display:flex;gap:var(--space-1);margin-bottom:var(--space-5);background:var(--slate-100);padding:.35rem;border-radius:var(--radius)}.preview-tab{flex:1;padding:.65rem .5rem;font-family:var(--font-heading);font-size:.82rem;font-weight:600;color:var(--slate-500);border-radius:var(--radius-sm);transition:all .25s;background:none;border:none}.preview-tab:hover{color:var(--slate-700)}.preview-tab.active{background:var(--white);color:var(--slate-900);box-shadow:var(--shadow-md)}.preview-panel{border-radius:var(--radius-lg);padding:var(--space-8);line-height:1.85;color:var(--slate-700);border-left:4px solid;position:relative}.preview-panel .katex-display{margin:var(--space-4) 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