:root{--bg: #0d1117;--bg-card: #161b22;--bg-input: #0d1117;--border: #30363d;--text: #e6edf3;--text-dim: #8b949e;--text-bright: #ffffff;--accent: #58a6ff;--green: #3fb950;--red: #f85149;--amber: #d29922;--purple: #bc8cff}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.6}code{background:#6e768133;padding:2px 6px;border-radius:4px;font-family:SF Mono,Fira Code,monospace;font-size:.9em}.app{max-width:1200px;margin:0 auto;padding:24px}.header{text-align:center;padding:32px 0;border-bottom:1px solid var(--border);margin-bottom:24px}.header h1{font-size:28px;font-weight:700;color:var(--text-bright);margin-bottom:8px}.header p{color:var(--text-dim);max-width:640px;margin:0 auto}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:24px;overflow-x:auto}.tab-btn{padding:10px 20px;background:none;border:none;border-bottom:2px solid transparent;color:var(--text-dim);cursor:pointer;font-size:14px;font-weight:500;white-space:nowrap;transition:all .2s}.tab-btn:hover{color:var(--text)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}.tab-panel{display:none}.tab-panel.active{display:block}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:20px;margin-bottom:16px}.card h3{font-size:16px;font-weight:600;margin-bottom:12px;color:var(--text-bright)}.card-description{color:var(--text-dim);margin-bottom:16px;font-size:13px}.controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:16px}input[type=text]{background:var(--bg-input);border:1px solid var(--border);border-radius:6px;padding:6px 12px;color:var(--text);font-size:14px;outline:none;transition:border-color .2s}input[type=text]:focus{border-color:var(--accent)}input[type=range]{accent-color:var(--accent)}.btn{padding:6px 16px;border:1px solid var(--border);border-radius:6px;background:var(--bg-card);color:var(--text);cursor:pointer;font-size:13px;transition:all .2s}.btn:hover{background:#21262d;border-color:var(--text-dim)}.btn-primary{background:#238636;border-color:#2ea043;color:#fff}.btn-primary:hover{background:#2ea043}.btn-sm{padding:2px 10px;font-size:12px;border:1px solid var(--border);border-radius:4px;background:var(--bg-card);color:var(--text-dim);cursor:pointer}.btn-danger{color:var(--red);border-color:#f851494d}.btn-danger:hover{background:#f8514926}.entry-list{max-height:200px;overflow-y:auto;border:1px solid var(--border);border-radius:6px;margin-bottom:16px}.entry-item{display:flex;align-items:center;gap:12px;padding:6px 12px;border-bottom:1px solid var(--border)}.entry-item:last-child{border-bottom:none}.entry-key{font-family:SF Mono,monospace;font-weight:600;color:var(--accent);min-width:100px}.entry-val{color:var(--text-dim);flex:1}.tree-container{overflow-x:auto;padding:16px 0;min-height:100px}.tree-svg{display:block;margin:0 auto}.tree-svg .tree-edge{stroke:#30363d;stroke-width:1.5}.tree-svg .entry-sep{stroke:#30363d;stroke-width:.5}.tree-svg .node-level{fill:var(--text-dim);font-size:9px;font-family:SF Mono,monospace}.tree-svg .node-hash{font-size:9px;font-family:SF Mono,monospace}.tree-svg .node-key{font-size:11px;font-family:-apple-system,sans-serif}.tree-svg .node-text-normal .node-hash,.node-text-normal{fill:var(--text-dim)}.tree-svg .node-text-changed{fill:var(--red)}.tree-svg .node-text-skipped{fill:var(--green)}.empty-tree{text-align:center;padding:40px;color:var(--text-dim)}.empty-hint{text-align:center;padding:20px;color:var(--text-dim);font-size:13px}.stats-bar{padding:8px 12px;color:var(--text-dim);font-size:13px}.stats-bar code{font-size:11px;word-break:break-all}.side-by-side{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:768px){.side-by-side{grid-template-columns:1fr}}.order-tag{display:inline-block;padding:2px 8px;background:#58a6ff1a;border:1px solid rgba(88,166,255,.2);border-radius:4px;font-size:12px;color:var(--accent);margin:2px}.order-display{margin-bottom:12px;line-height:2}.hash-compare{padding:16px;border-radius:8px;margin-top:16px}.hash-compare.match{background:#3fb9501a;border:1px solid rgba(63,185,80,.3)}.hash-compare.mismatch{background:#f851491a;border:1px solid rgba(248,81,73,.3)}.hash-row{margin-bottom:6px;font-family:SF Mono,monospace;font-size:13px}.hash-label{color:var(--text-dim);margin-right:8px}.hash-verdict{margin-top:12px;font-size:15px;font-weight:600}.match .hash-verdict{color:var(--green)}.diff-stat{display:flex;gap:24px;flex-wrap:wrap;margin:16px 0}.stat-item{display:flex;flex-direction:column;align-items:center;padding:12px 20px;background:var(--bg);border-radius:8px;border:1px solid var(--border);min-width:100px}.stat-num{font-size:28px;font-weight:700;color:var(--text-bright)}.stat-label{font-size:12px;color:var(--text-dim);margin-top:4px}.highlight-red .stat-num{color:var(--red)}.highlight-green .stat-num{color:var(--green)}.change-item{display:flex;align-items:center;gap:12px;padding:8px 12px;border-bottom:1px solid var(--border);font-size:13px}.change-icon{font-size:16px}.change-key{font-family:SF Mono,monospace;font-weight:600;min-width:100px}.change-added .change-key{color:var(--green)}.change-removed .change-key{color:var(--red)}.change-modified .change-key{color:var(--amber)}.change-detail{color:var(--text-dim)}.tree-label{text-align:center;font-weight:600;margin-bottom:8px;color:var(--text-dim)}.chunk-viz{padding:8px 0}.chunk-entries{display:flex;gap:4px;overflow-x:auto;padding:8px 0}.chunk-entry{flex-shrink:0;display:flex;flex-direction:column;align-items:center;padding:8px 12px;background:var(--bg);border:1px solid var(--border);border-radius:6px;min-width:80px;position:relative}.chunk-entry-key{font-weight:600;font-size:12px;color:var(--text-bright)}.chunk-entry-val{font-size:11px;color:var(--text-dim)}.chunk-entry-hash{font-family:SF Mono,monospace;font-size:10px;color:var(--purple);margin-top:4px}.chunk-boundary-marker{position:absolute;top:-8px;right:-4px;font-size:10px;background:var(--red);color:#fff;padding:1px 6px;border-radius:4px;white-space:nowrap}.chunk-boundary-marker.last{background:var(--text-dim)}.chunk-divider{flex-shrink:0;width:2px;min-height:60px;background:var(--red);border-radius:1px;margin:0 2px;opacity:.5}.chunk-explain{margin-top:12px;padding:12px;background:#58a6ff0d;border:1px solid rgba(88,166,255,.15);border-radius:6px;font-size:13px;color:var(--text-dim)}.chunk-explain-label{font-weight:600;color:var(--text)}.range-group{display:flex;align-items:center;gap:12px;margin-bottom:16px}.range-group label{font-size:13px;color:var(--text-dim);min-width:100px}.range-group span{font-size:13px;color:var(--accent);font-family:SF Mono,monospace;min-width:160px}.legend{display:flex;gap:16px;margin:12px 0;font-size:12px;color:var(--text-dim)}.legend-item{display:flex;align-items:center;gap:6px}.legend-dot{width:12px;height:12px;border-radius:3px;border:1.5px solid}.legend-dot.dot-red{background:#451a1a;border-color:var(--red)}.legend-dot.dot-green{background:#0f2922;border-color:var(--green)}.legend-dot.dot-normal{background:#1e293b;border-color:#475569}.anim-narration{padding:12px 16px;background:var(--bg);border:1px solid var(--border);border-radius:6px;margin:12px 0;font-size:14px;line-height:1.8;min-height:44px}.narr-idle{color:var(--text-dim)}.narr-step{display:inline-block;background:var(--accent);color:#000;padding:1px 8px;border-radius:4px;font-size:12px;font-weight:600;margin-right:8px}.narr-hit{color:var(--red);font-weight:700}.narr-miss{color:var(--text-dim)}.narr-done{color:var(--green);font-weight:600;font-size:15px}.anim-stage{margin:16px 0}.anim-entries{display:flex;gap:6px;overflow-x:auto;padding:12px 4px}.anim-entry{flex-shrink:0;display:flex;flex-direction:column;align-items:center;padding:10px 14px;border-radius:8px;border:2px solid var(--border);border-bottom:4px solid var(--border);min-width:76px;transition:all .3s ease;position:relative}.anim-entry.waiting{opacity:.35;background:var(--bg)}.anim-entry.active{opacity:1;background:#58a6ff1f;border-color:var(--accent);box-shadow:0 0 16px #58a6ff4d;transform:scale(1.08)}.anim-entry.processed{opacity:1;background:var(--bg);border-color:var(--border);border-bottom-width:4px;border-bottom-style:solid}.anim-entry.boundary{opacity:1;background:#f851491f;border-color:var(--red);box-shadow:0 0 20px #f8514966;transform:scale(1.08)}.anim-entry.boundary:after{content:"✂️";position:absolute;top:-14px;right:-8px;font-size:18px;animation:scissor-pop .4s ease}@keyframes scissor-pop{0%{transform:scale(0) rotate(-45deg);opacity:0}60%{transform:scale(1.3) rotate(5deg);opacity:1}to{transform:scale(1) rotate(0);opacity:1}}.anim-entry-key{font-weight:600;font-size:13px;color:var(--text-bright)}.anim-entry-val{font-size:11px;color:var(--text-dim);margin-top:2px}.anim-hash-detail{padding:12px 16px;background:var(--bg);border:1px solid var(--border);border-radius:6px;margin-top:12px;font-family:SF Mono,Fira Code,monospace;font-size:13px;min-height:20px}.hash-detail-row{margin:4px 0;display:flex;align-items:center;gap:8px}.hash-detail-label{color:var(--text-dim);min-width:60px;font-family:-apple-system,sans-serif}.hash-binary{letter-spacing:1px;font-size:12px}.bits-high{color:var(--text-dim);opacity:.5}.bits-low{color:var(--amber);font-weight:700;background:#d2992226;padding:1px 3px;border-radius:3px}.bits-hit{color:var(--red);font-weight:700;background:#f8514926;padding:1px 3px;border-radius:3px;animation:bits-flash .5s ease}@keyframes bits-flash{0%,to{background:#f8514926}50%{background:#f8514966}}.anim-chunks{margin-top:16px}.anim-chunk-label{font-size:13px;color:var(--text-dim);margin-bottom:8px}.anim-chunks-row{display:flex;gap:10px;flex-wrap:wrap}.anim-chunk-box{padding:10px 14px;border:2px solid;border-radius:8px;background:var(--bg);min-width:100px;animation:chunk-appear .3s ease}.anim-chunk-box.building{border-style:dashed;opacity:.7}@keyframes chunk-appear{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.anim-chunk-idx{display:inline-block;padding:1px 8px;border-radius:4px;font-size:11px;font-weight:600;color:#000;margin-bottom:6px}.building-dot{animation:dots-pulse 1s infinite}@keyframes dots-pulse{0%,to{opacity:.3}50%{opacity:1}}.anim-chunk-keys{font-size:12px;color:var(--text);margin-bottom:4px}.anim-chunk-size{font-size:11px;color:var(--text-dim)}