.tool-page[data-astro-cid-45rzxhvg]{max-width:1200px;margin:0 auto;padding:1.5rem 1rem 3rem}.tool-header[data-astro-cid-45rzxhvg]{text-align:center;margin-bottom:1.5rem}.tool-header[data-astro-cid-45rzxhvg] h1[data-astro-cid-45rzxhvg]{margin-bottom:.5rem;font-size:2rem}.tool-subtitle[data-astro-cid-45rzxhvg]{color:var(--text-secondary)}.regex-bar[data-astro-cid-45rzxhvg]{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;align-items:center;gap:.5rem;margin-bottom:.5rem;padding:.75rem 1rem;font-family:JetBrains Mono,monospace;display:flex}.regex-delim[data-astro-cid-45rzxhvg]{color:var(--accent);font-size:1.2rem;font-weight:700}.regex-bar[data-astro-cid-45rzxhvg] input[data-astro-cid-45rzxhvg]{color:var(--text);background:0 0;border:none;outline:none;flex:1;padding:.5rem;font-family:inherit;font-size:.95rem}.regex-bar[data-astro-cid-45rzxhvg] input[data-astro-cid-45rzxhvg]#flags{flex:0 0 80px}.flags-presets[data-astro-cid-45rzxhvg]{align-items:center;gap:.25rem;margin-bottom:1rem;display:flex}.preset-label[data-astro-cid-45rzxhvg]{color:var(--text-muted);margin-right:.5rem;font-size:.85rem}.preset[data-astro-cid-45rzxhvg]{border:1px solid var(--border);background:var(--bg-card);cursor:pointer;color:var(--text);border-radius:4px;padding:.25rem .6rem;font-family:JetBrains Mono,monospace;font-size:.8rem}.preset[data-astro-cid-45rzxhvg]:hover{border-color:var(--accent)}.test-section[data-astro-cid-45rzxhvg]{margin-bottom:1rem}.pane-header[data-astro-cid-45rzxhvg]{background:var(--bg-card);border:1px solid var(--border);border-bottom:none;border-radius:8px 8px 0 0;justify-content:space-between;padding:.5rem .75rem;font-size:.8rem;display:flex}.pane-title[data-astro-cid-45rzxhvg]{font-weight:600}.pane-stats[data-astro-cid-45rzxhvg]{color:var(--text-muted)}#test-input[data-astro-cid-45rzxhvg]{border:1px solid var(--border);background:var(--bg-card);min-height:150px;color:var(--text);white-space:pre-wrap;border-top:none;border-radius:0 0 8px 8px;padding:.75rem;font-family:JetBrains Mono,monospace;font-size:.9rem;line-height:1.5}.results-grid[data-astro-cid-45rzxhvg]{grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem;display:grid}@media (width<=768px){.results-grid[data-astro-cid-45rzxhvg]{grid-template-columns:1fr}}.result-pane[data-astro-cid-45rzxhvg]{border:1px solid var(--border);border-radius:8px}.matches-list[data-astro-cid-45rzxhvg]{max-height:400px;padding:.5rem;overflow-y:auto}.match-item[data-astro-cid-45rzxhvg]{border-bottom:1px solid var(--border);padding:.5rem;font-size:.85rem}.match-item[data-astro-cid-45rzxhvg]:last-child{border-bottom:none}.match-head[data-astro-cid-45rzxhvg]{margin-bottom:.25rem;font-weight:600}.match-head[data-astro-cid-45rzxhvg] code[data-astro-cid-45rzxhvg]{color:var(--accent);background:#6366f11a;border-radius:3px;padding:.1rem .3rem;font-family:JetBrains Mono,monospace}.match-groups[data-astro-cid-45rzxhvg]{color:var(--text-muted);margin-left:.5rem;font-size:.8rem}.group-item[data-astro-cid-45rzxhvg]{margin-top:.15rem}.group-empty[data-astro-cid-45rzxhvg],.match-empty[data-astro-cid-45rzxhvg],.explain-warn[data-astro-cid-45rzxhvg],.explain-empty[data-astro-cid-45rzxhvg]{color:var(--text-muted);text-align:center;padding:.5rem;font-size:.9rem;font-style:italic}.match-error[data-astro-cid-45rzxhvg]{color:#ef4444;background:#ef44441a;border-radius:4px;padding:.5rem;font-family:monospace;font-size:.85rem}.explanation[data-astro-cid-45rzxhvg]{max-height:400px;padding:.5rem;overflow-y:auto}.explain-list[data-astro-cid-45rzxhvg]{margin:0;padding:0;list-style:none}.explain-list[data-astro-cid-45rzxhvg] li[data-astro-cid-45rzxhvg]{border-bottom:1px solid var(--border);padding:.4rem .6rem;font-size:.85rem}.explain-list[data-astro-cid-45rzxhvg] li[data-astro-cid-45rzxhvg]:last-child{border-bottom:none}.explain-list[data-astro-cid-45rzxhvg] code[data-astro-cid-45rzxhvg]{color:var(--accent);background:#6366f11a;border-radius:3px;padding:.1rem .3rem;font-family:JetBrains Mono,monospace}.tool-info[data-astro-cid-45rzxhvg]{margin-top:2rem;line-height:1.7}.tool-info[data-astro-cid-45rzxhvg] h2[data-astro-cid-45rzxhvg]{margin:1.5rem 0 .75rem;font-size:1.3rem}.tool-info[data-astro-cid-45rzxhvg] code[data-astro-cid-45rzxhvg]{color:var(--accent);background:#6366f11a;border-radius:4px;padding:.15rem .4rem;font-family:JetBrains Mono,monospace;font-size:.9em}.cheatsheet[data-astro-cid-45rzxhvg]{border-collapse:collapse;width:100%;margin:1rem 0}.cheatsheet[data-astro-cid-45rzxhvg] th[data-astro-cid-45rzxhvg],.cheatsheet[data-astro-cid-45rzxhvg] td[data-astro-cid-45rzxhvg]{text-align:left;border:1px solid var(--border);padding:.5rem}.cheatsheet[data-astro-cid-45rzxhvg] th[data-astro-cid-45rzxhvg]{background:var(--bg-card);font-weight:600}