.pattern-bar{display:flex;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl) var(--radius-xl) 0 0;padding:10px 18px;border-bottom:none;transition:border-color var(--transition);gap:0}.pattern-bar:focus-within{border-color:var(--primary)}.pattern-bar.has-error{border-color:var(--error)}.regex-slash{font-size:1.7rem;font-weight:300;color:var(--text-muted);font-family:JetBrains Mono,monospace;line-height:1;user-select:none;flex-shrink:0}.regex-pattern-input{flex:1;border:none;outline:none;background:transparent;font-family:JetBrains Mono,monospace;font-size:1.05rem;color:var(--text);padding:4px 10px;min-width:0}.regex-flags-input{width:64px;border:none;border-left:1px solid var(--border);outline:none;background:transparent;font-family:JetBrains Mono,monospace;font-size:.95rem;color:var(--primary);padding:4px 10px;font-weight:700;flex-shrink:0}.regex-error-msg{display:none;color:var(--error);font-size:.8rem;padding:6px 18px;background:#ef444412;border:1px solid rgba(239,68,68,.2);border-top:none}.regex-error-msg.visible{display:block}.replace-bar{display:flex;align-items:center;gap:12px;padding:9px 18px;background:var(--bg-subtle);border:1px solid var(--border);border-top:none;border-bottom:none}.replace-label{font-size:.75rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;flex-shrink:0}.replace-input{flex:1;border:none;outline:none;background:transparent;font-family:JetBrains Mono,monospace;font-size:.9rem;color:var(--text);min-width:0}.match-results{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;margin-top:16px;margin-bottom:24px}.results-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--bg-subtle);border-bottom:1px solid var(--border);font-size:.85rem;font-weight:600;color:var(--text)}.results-header .match-count-badge{padding:3px 10px;border-radius:100px;font-size:.75rem;font-weight:700;background:var(--primary);color:#fff}.highlighted-wrap{padding:14px 18px;border-bottom:1px solid var(--border);background:var(--surface)}.highlighted-text{font-family:JetBrains Mono,monospace;font-size:.875rem;line-height:1.75;color:var(--text);white-space:pre-wrap;word-break:break-word;min-height:36px}.highlighted-text mark{background:#6366f133;color:var(--text);border-radius:3px;padding:0 1px;outline:1.5px solid rgba(99,102,241,.4)}.highlighted-text mark.first-match{background:#6366f161;outline-color:var(--primary)}.replace-output{padding:14px 18px;border-bottom:1px solid var(--border)}.replace-output-text{font-family:JetBrains Mono,monospace;font-size:.875rem;line-height:1.75;color:var(--text);white-space:pre-wrap;word-break:break-word}.match-list{padding:10px 14px;max-height:280px;overflow-y:auto;display:flex;flex-direction:column;gap:6px}.match-item{display:flex;align-items:flex-start;gap:10px;padding:8px 12px;border-radius:var(--radius-md);background:var(--bg-subtle);border:1px solid var(--border);font-size:.85rem}.match-badge{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:22px;padding:0 6px;background:var(--primary);color:#fff;border-radius:4px;font-size:.7rem;font-weight:700;flex-shrink:0;margin-top:1px}.match-value{font-family:JetBrains Mono,monospace;font-weight:600;color:var(--text);word-break:break-all;line-height:1.5}.match-meta{display:flex;flex-wrap:wrap;gap:5px;margin-top:4px}.match-pos{font-size:.7rem;color:var(--text-muted);background:var(--surface);border:1px solid var(--border);border-radius:4px;padding:1px 6px}.match-group{font-size:.7rem;color:var(--primary);background:#6366f114;border:1px solid rgba(99,102,241,.22);border-radius:4px;padding:1px 6px;font-family:JetBrains Mono,monospace}.no-matches{color:var(--text-muted);font-size:.875rem;text-align:center;padding:20px 0}.content-section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;margin-bottom:24px}.content-section h2{font-size:1.3rem;font-weight:700;margin-bottom:16px;color:var(--text)}.content-section h3{font-size:1.05rem;font-weight:600;margin:20px 0 10px;color:var(--text)}.content-section p{color:var(--text-secondary);line-height:1.7;margin-bottom:12px}.content-section ul,.content-section ol{color:var(--text-secondary);line-height:1.7;margin:12px 0;padding-left:24px}.content-section li{margin-bottom:8px}.content-section code{background:var(--bg-subtle);padding:1px 6px;border-radius:4px;font-family:JetBrains Mono,monospace;font-size:.875em;color:var(--text)}.ref-table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.875rem}.ref-table th,.ref-table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border)}.ref-table th{background:var(--bg-subtle);font-weight:600;color:var(--text)}.ref-table td{color:var(--text-secondary)}.ref-table tr:last-child td{border-bottom:none}.ref-table tr:hover td{background:var(--bg-subtle)}.ref-table code{background:var(--bg-subtle);padding:2px 6px;border-radius:4px;font-family:JetBrains Mono,monospace;font-size:.85rem;color:var(--text)}.flag-cell{font-family:JetBrains Mono,monospace;font-size:1rem;font-weight:700;color:var(--primary);text-align:center!important}.pattern-table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.875rem}.pattern-table th,.pattern-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);vertical-align:middle}.pattern-table th{background:var(--bg-subtle);font-weight:600;color:var(--text)}.pattern-table td{color:var(--text-secondary)}.pattern-table tr:last-child td{border-bottom:none}.pattern-table tr:hover td{background:var(--bg-subtle)}.pattern-cell{font-family:JetBrains Mono,monospace;font-size:.78rem;color:var(--text);max-width:280px;word-break:break-all}.use-pattern-btn{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;font-size:.75rem;font-weight:600;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-subtle);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);white-space:nowrap}.use-pattern-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--surface)}.faq-item{border-bottom:1px solid var(--border);padding:20px 0}.faq-item:first-of-type{padding-top:0}.faq-item:last-of-type{border-bottom:none;padding-bottom:0}.faq-question{font-weight:600;font-size:1rem;color:var(--text);margin-bottom:8px;display:flex;align-items:flex-start;gap:10px}.faq-question:before{content:"P";background:var(--primary);color:#fff;font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:4px;flex-shrink:0}.faq-answer{color:var(--text-secondary);line-height:1.7;padding-left:32px}.related-tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-top:16px}.related-tool-link{display:flex;align-items:center;gap:10px;padding:14px 16px;background:var(--bg-subtle);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text);text-decoration:none;font-weight:500;font-size:.9rem;transition:all var(--transition)}.related-tool-link:hover{border-color:var(--primary);background:var(--surface);transform:translate(4px)}.related-tool-link svg{width:18px;height:18px;color:var(--primary);flex-shrink:0}