.wrap{max-width:1100px;margin:0 auto;padding:1.25rem 1.25rem 3rem}.back-bar{display:flex;gap:8px;margin-bottom:1rem;flex-wrap:wrap}.back-link{display:flex;align-items:center;gap:4px;padding:6px 12px;border-radius:8px;border:1px solid var(--border);background:var(--card);color:var(--text-muted);font-size:.75rem;text-decoration:none;transition:.12s}.back-link:hover{border-color:var(--border);color:var(--text)}.share-btn{padding:6px 12px;border-radius:8px;border:1px solid var(--border);background:var(--card);color:var(--text-dim);font-size:.72rem;cursor:pointer;font-family:var(--font);transition:.12s}.share-btn:hover{border-color:var(--border);color:var(--text-muted)}.hero{text-align:center;padding:.5rem 0 1rem}.hero h1{font-size:1.6rem;font-weight:800;letter-spacing:-.04em;margin-bottom:.15rem}.hero h1 span{color:var(--accent)}.hero p{color:var(--text-muted);font-size:.85rem;max-width:560px;margin:0 auto}.badge{display:inline-flex;padding:4px 10px;border-radius:5px;background:#47e88a14;color:var(--accent);font-size:.65rem;font-weight:600;margin-bottom:14px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;margin-bottom:12px}.card-title{font-size:.88rem;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:6px;justify-content:space-between;flex-wrap:wrap}.card-title svg{width:15px;height:15px;color:var(--accent);flex-shrink:0}.builder-layout{display:grid;grid-template-columns:240px 1fr;gap:12px;margin-bottom:12px}@media (max-width:800px){.builder-layout{grid-template-columns:1fr}}.palette{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px;max-height:520px;overflow-y:auto}@media (max-width:800px){.palette{max-height:none}}.pal-cat{margin-bottom:14px}.pal-cat:last-child{margin-bottom:0}.pal-cat-title{font-size:.68rem;font-weight:700;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;display:flex;align-items:center;gap:5px;cursor:pointer;user-select:none}.pal-cat-title svg{width:10px;height:10px;transition:transform .15s}.pal-cat-title.collapsed svg{transform:rotate(-90deg)}.pal-cat-items{display:flex;flex-wrap:wrap;gap:4px}.pal-cat-items.hidden{display:none}.pal-block{padding:5px 10px;border-radius:6px;border:1px solid var(--border);background:var(--card);color:var(--text-muted);font-size:.72rem;font-family:var(--font);cursor:grab;transition:.12s;user-select:none;white-space:nowrap}.pal-block:hover{border-color:var(--accent);color:var(--accent);background:#00ddb30a}.pal-block:active{cursor:grabbing;transform:scale(.96)}.pal-block .pal-mono{font-family:var(--mono);font-size:.68rem;color:var(--accent);margin-left:3px}.dropzone-wrap{display:flex;flex-direction:column;gap:12px}.dropzone-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;min-height:100px}.dropzone{display:flex;flex-wrap:wrap;gap:6px;min-height:52px;padding:10px;border:2px dashed var(--border);border-radius:var(--radius-sm);transition:.2s;align-items:center;position:relative}.dropzone.drag-over{border-color:var(--accent);background:#00ddb308}.dropzone.empty:after{content:"Drag blocks here or click blocks in the palette to build your regex";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--text-dim);font-size:.78rem;text-align:center;pointer-events:none;width:90%}.dropzone:not(.empty):after{display:none}.rx-block{display:inline-flex;align-items:center;gap:4px;padding:6px 10px;border-radius:8px;font-size:.78rem;font-family:var(--font);cursor:grab;transition:.15s;user-select:none;position:relative;border:1.5px solid}.rx-block:active{cursor:grabbing;transform:scale(.95)}.rx-block .rx-label{font-weight:600}.rx-block .rx-pattern{font-family:var(--mono);font-size:.7rem;opacity:.7;margin-left:2px}.rx-block .rx-remove{width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:.65rem;font-weight:700;line-height:1;opacity:.5;transition:.1s;flex-shrink:0;margin-left:2px;background:#80808026}.rx-block .rx-remove:hover{opacity:1;background:var(--coral);color:#fff}.rx-block .rx-config{width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:.6rem;opacity:.4;transition:.1s;flex-shrink:0;background:#8080801a}.rx-block .rx-config:hover{opacity:1;background:var(--accent);color:#fff}.rx-block.cat-char{border-color:#00ddb34d;background:#00ddb30f;color:var(--accent)}.rx-block.cat-quant{border-color:#7b6fff4d;background:#7b6fff0f;color:var(--accent2)}.rx-block.cat-anchor{border-color:#ffb8304d;background:#ffb8300f;color:var(--amber)}.rx-block.cat-group{border-color:#ff5c7c4d;background:#ff5c7c0f;color:var(--coral)}.rx-block.cat-sf{border-color:#00b0f04d;background:#00b0f00f;color:#00b0f0}.block-popup{position:absolute;top:calc(100% + 6px);left:0;z-index:100;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;box-shadow:0 8px 24px #0000002e;min-width:200px;display:none}.block-popup.show{display:block}.block-popup label{font-size:.72rem;font-weight:600;color:var(--text-muted);display:block;margin-bottom:4px}.block-popup input,.block-popup select{width:100%;padding:6px 10px;background:var(--card);border:1px solid var(--border);border-radius:6px;color:var(--text);font-family:var(--mono);font-size:.82rem;outline:0;margin-bottom:6px;box-sizing:border-box}.block-popup input:focus,.block-popup select:focus{border-color:var(--accent)}.block-popup .popup-row{display:flex;gap:6px;align-items:center;margin-bottom:6px}.block-popup .popup-row input{margin-bottom:0}.block-popup .popup-apply{padding:5px 12px;border-radius:6px;border:0;background:var(--accent);color:#fff;font-size:.72rem;font-weight:700;cursor:pointer;font-family:var(--font)}.builder-controls{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-bottom:8px}.ctrl-btn{padding:6px 14px;border-radius:8px;border:1px solid var(--border);background:0 0;color:var(--text-dim);font-size:.75rem;cursor:pointer;font-family:var(--font);transition:.12s;display:flex;align-items:center;gap:4px}.ctrl-btn:hover{border-color:var(--accent-soft);color:var(--accent)}.ctrl-btn.danger:hover{border-color:#ff5c7c4d;color:var(--coral)}.ctrl-btn svg{width:13px;height:13px}.ctrl-sep{width:1px;height:20px;background:var(--border);margin:0 4px}.flags-row{display:flex;gap:3px;align-items:center;margin-left:auto}.flag{padding:6px 10px;border-radius:8px;border:1px solid var(--border);background:0 0;color:var(--text-dim);font-size:.78rem;font-family:var(--mono);font-weight:700;cursor:pointer;transition:.12s;min-width:32px;text-align:center}.flag:hover{border-color:var(--border);color:var(--text-muted)}.flag.on{border-color:var(--accent-soft);background:var(--accent-soft);color:var(--accent)}.regex-display{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--mono);font-size:.88rem;color:var(--accent);min-height:38px;word-break:break-all;margin-bottom:8px;flex-wrap:wrap}.regex-display .regex-slash{color:var(--text-dim);font-weight:300}.regex-display .regex-body{flex:1;min-width:0;color:var(--accent)}.regex-display .regex-flags-display{color:var(--accent2);font-weight:600}.regex-display .copy-rx{padding:4px 10px;border-radius:6px;border:1px solid var(--border);background:0 0;color:var(--text-dim);font-size:.68rem;cursor:pointer;font-family:var(--font);transition:.12s;flex-shrink:0}.regex-display .copy-rx:hover{border-color:var(--accent);color:var(--accent)}.test-area{position:relative}.test-backdrop{padding:12px 14px;background:var(--card);border:1px solid transparent;border-radius:var(--radius-sm);font-family:var(--mono);font-size:.82rem;line-height:1.7;white-space:pre-wrap;word-wrap:break-word;color:transparent;position:absolute;inset:0;pointer-events:none;overflow:hidden}.test-input{width:100%;min-height:120px;padding:12px 14px;background:0 0;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:var(--mono);font-size:.82rem;line-height:1.7;outline:0;resize:vertical;white-space:pre-wrap;word-wrap:break-word;position:relative;z-index:1;box-sizing:border-box}.test-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.hl-match{background:#00ddb32e;border-bottom:2px solid var(--accent);border-radius:2px;padding:0 1px}.match-info{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:6px 0;font-size:.75rem;color:var(--text-dim)}.match-info .mi-count{font-weight:700;color:var(--accent)}.match-info .mi-none{color:var(--text-dim)}.code-tabs{display:flex;gap:2px;margin-bottom:-1px;position:relative;z-index:1}.code-tab{padding:7px 16px;border-radius:8px 8px 0 0;border:1px solid transparent;background:0 0;color:var(--text-dim);font-size:.75rem;font-weight:600;cursor:pointer;font-family:var(--font);transition:.12s}.code-tab:hover{color:var(--text-muted)}.code-tab.active{background:var(--card);border-color:var(--border);border-bottom-color:var(--card);color:var(--accent)}.code-panel{display:none;padding:14px;background:var(--card);border:1px solid var(--border);border-radius:0 var(--radius-sm) var(--radius-sm) var(--radius-sm);position:relative}.code-panel.active{display:block}.code-panel pre{margin:0;font-family:var(--mono);font-size:.8rem;line-height:1.6;color:var(--text);white-space:pre-wrap;word-break:break-all}.code-panel .copy-code{position:absolute;top:10px;right:10px;padding:4px 10px;border-radius:6px;border:1px solid var(--border);background:var(--surface);color:var(--text-dim);font-size:.68rem;cursor:pointer;font-family:var(--font);transition:.12s;z-index:2}.code-panel .copy-code:hover{border-color:var(--accent);color:var(--accent)}.pal-block.sf{background:#00b0f00a;border-color:#00b0f033;color:#00b0f0}.pal-block.sf:hover{background:#00b0f014;border-color:#00b0f0}@media (max-width:800px){.builder-layout{grid-template-columns:1fr}.palette{max-height:200px}.builder-controls{justify-content:center}.flags-row{margin-left:0;margin-top:4px;width:100%;justify-content:center}}