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2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--transition-speed:.15s}html.dark{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg-color:#0b0f19;--panel-bg:#111827;--editor-bg:#0f172a;--text-color:#f3f4f6;--text-secondary:#9ca3af;--border-color:#1f2937;--border-hover:#374151;--btn-secondary-bg:#1f2937;--btn-secondary-text:#e5e7eb;--btn-secondary-border:#374151;--btn-secondary-hover:#2d3748;--success-color:#10b981;--warn-color:#f59e0b;--error-color:#ef4444;--match-a-bg:#8b5cf659;--match-b-bg:#10b9814d}*{box-sizing:border-box;font-family:var(--font-sans);margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);min-height:100vh;transition:background-color var(--transition-speed) ease, color var(--transition-speed) ease;flex-direction:column;display:flex}header{background-color:var(--panel-bg);border-bottom:1px solid var(--border-color);z-index:10;box-shadow:var(--shadow-sm);transition:background-color 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.75rem;display:flex}.match-item:hover{border-color:var(--accent-color)}.match-item.selected{border-color:var(--warn-color)}.match-item-head{color:var(--text-secondary);justify-content:space-between;font-size:.75rem;display:flex}.match-item-index{color:var(--accent-color);font-weight:600}.match-item-range{font-family:var(--font-mono)}.match-item-text{font-family:var(--font-mono);word-break:break-all;white-space:pre-wrap;font-size:.85rem}.match-groups{border-top:1px dashed var(--border-color);flex-direction:column;gap:.2rem;padding-top:.35rem;font-size:.8rem;list-style:none;display:flex}.match-groups li{align-items:baseline;gap:.5rem;display:flex}.match-groups .group-label{color:var(--text-secondary);font-family:var(--font-mono);white-space:nowrap}.match-groups code{font-family:var(--font-mono);word-break:break-all;white-space:pre-wrap}.match-groups em{color:var(--text-secondary)}.result-panel{flex-shrink:0;max-height:300px}.result-panel .panel-header{justify-content:space-between}.copy-btn{background:var(--btn-secondary-bg);color:var(--btn-secondary-text);border:1px solid var(--btn-secondary-border);cursor:pointer;transition:all var(--transition-speed) ease;border-radius:6px;align-items:center;gap:5px;padding:.25rem .6rem;font-size:.75rem;font-weight:500;display:inline-flex}.copy-btn:hover{background:var(--btn-secondary-hover);border-color:var(--border-hover)}.replace-output{background:var(--editor-bg);font-family:var(--font-mono);color:var(--text-color);white-space:pre-wrap;word-break:break-all;flex:1;min-height:90px;padding:.9rem 1.1rem;font-size:.9rem;overflow:auto}.app-viewport{flex-direction:column;min-height:100vh;display:flex}.page-content{max-width:760px;color:var(--text-secondary);flex-direction:column;gap:1.75rem;margin:0 auto;padding:1rem 1.5rem 4rem;font-size:.95rem;line-height:1.7;display:flex}.page-content h2{color:var(--text-color);border-bottom:1px solid var(--border-color);margin-bottom:.6rem;padding-bottom:.4rem;font-size:1.15rem}.page-content ul{padding-left:1.25rem}.page-content li{margin-bottom:.4rem}.page-content p{margin-bottom:.6rem}.page-content strong{color:var(--text-color)}.page-content code{background-color:var(--panel-bg);border:1px solid var(--border-color);font-size:.9em;font-family:var(--font-mono);border-radius:4px;padding:.1em .4em}.btn{cursor:pointer;transition:all var(--transition-speed) ease;border:1px solid #0000;border-radius:8px;outline:none;justify-content:center;align-items:center;gap:8px;padding:.6rem 1.2rem;font-size:.9rem;font-weight:500;display:inline-flex}.btn:active{transform:translateY(0)}.btn-secondary{background-color:var(--btn-secondary-bg);color:var(--btn-secondary-text);border-color:var(--btn-secondary-border)}.btn-secondary:hover{background-color:var(--btn-secondary-hover);border-color:var(--border-hover);transform:translateY(-1px)}#theme-toggle-btn{aspect-ratio:1;border-radius:8px;padding:.6rem}#theme-toggle-btn svg{display:block}html:not(.dark) #theme-toggle-btn .sun-icon,html.dark #theme-toggle-btn .moon-icon{display:none}