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var(--primary-color)}.cheatsheet-category table{width:100%;font-size:.85rem}.cheatsheet-category td{padding:.3rem .5rem;vertical-align:top}.cheatsheet-category .syntax{font-family:Consolas,Monaco,monospace;color:#e06c75;background:#f8f8f8;padding:.2rem .4rem;border-radius:3px;white-space:nowrap;font-weight:500}.tips-section{margin-bottom:2rem}.tips-section h3{margin-bottom:1rem}.tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem}.tip{padding:1rem;background:var(--bg-secondary);border-radius:8px;border-left:4px solid var(--primary-color)}.tip h4{font-size:.95rem;color:var(--text-primary);margin-bottom:.5rem}.tip p{font-size:.85rem;color:var(--text-secondary);line-height:1.6;margin:0}.cta-section{background:linear-gradient(135deg,var(--primary-color),#1565c0);color:#fff;padding:3rem;border-radius:12px;text-align:center}.cta-section h3{font-size:1.5rem;margin-bottom:.75rem}.cta-section p{font-size:1.1rem;opacity:.9;margin-bottom:1.5rem}.cta-button{display:inline-block;padding:.875rem 2rem;background:#fff;color:var(--primary-color);text-decoration:none;border-radius:8px;font-weight:600;transition:transform .2s,box-shadow .2s}.cta-button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0003}@media (max-width: 968px){.regex-layout{grid-template-columns:1fr}.regex-tester{padding:1rem}.tool-header h1{font-size:2rem}.cheatsheet-grid{grid-template-columns:1fr}}@media (max-width: 600px){.pattern-input-wrapper{flex-wrap:wrap}.flags-display{width:100%;justify-content:center;margin-top:.5rem;padding-top:.5rem;border-top:1px solid #333}.pattern-actions{flex-direction:column}.action-btn{width:100%}.save-pattern-row{flex-direction:column}.results-header{flex-direction:column;gap:.5rem;align-items:flex-start}}