:root{--bg: #f3f4f1;--card: #ffffff;--fg: #1a1c1a;--muted: #5d625c;--border: #d7dbd4;--accent: #2f6b4f;--accent-fg: #ffffff;--accent-soft: rgba(47, 107, 79, .1);--good: #1d7a46;--bad: #b3261e;--code-bg: #f6f7f4;--k-hit: #2e8b57;--k-compulsory: #2f6fb3;--k-capacity: #c77700;--k-conflict: #c0362c;--arr-0: #4a86c8;--arr-1: #d0802a;--arr-2: #4aa36a;--arr-3: #a35bb8;--arr-4: #c4a028;--arr-5: #3aa6a6;--mem-empty: #e6e8e3;--mem-seen: #b9bdb6;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}@media(prefers-color-scheme:dark){:root{--bg: #111311;--card: #1a1d1a;--fg: #e6e9e4;--muted: #a0a69e;--border: #313631;--accent: #7fcca4;--accent-fg: #0f1a14;--accent-soft: rgba(127, 204, 164, .13);--good: #5cc98b;--bad: #ff6b60;--code-bg: #141714;--k-hit: #5cc98b;--k-compulsory: #6aa8ef;--k-capacity: #f0a540;--k-conflict: #ff6b60;--arr-0: #5b97d8;--arr-1: #e0913b;--arr-2: #5bb47b;--arr-3: #b46cc9;--arr-4: #d5b139;--arr-5: #4bb7b7;--mem-empty: #262a26;--mem-seen: #4a504a}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}#app{max-width:1180px;margin:0 auto;padding:20px 16px 64px}h1{margin:0 0 4px;font-size:28px}h2{margin:0 0 10px;font-size:18px}h3{margin:14px 0 6px;font-size:14px}.lede{margin:0 0 16px;color:var(--muted);max-width:800px}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:16px;min-width:0}.grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:16px}.grid>.card{margin-bottom:16px}@media(max-width:820px){.grid{grid-template-columns:minmax(0,1fr);gap:0}}.row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin-bottom:10px}label{color:var(--muted);font-size:14px}select,input,textarea,button{font:inherit;color:var(--fg);background:var(--card);border:1px solid var(--border);border-radius:6px;padding:5px 8px}input[type=number]{width:80px}input[type=range]{flex:1 1 160px;padding:0;accent-color:var(--accent)}textarea{display:block;width:100%;font-family:var(--mono);font-size:13.5px;line-height:1.45;background:var(--code-bg);resize:vertical;tab-size:4}button{background:var(--accent);color:var(--accent-fg);border-color:var(--accent);cursor:pointer}button.secondary{background:var(--card);color:var(--fg);border-color:var(--border)}button:disabled{opacity:.5;cursor:default}button:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}a{color:var(--accent)}.note{color:var(--fg);background:var(--accent-soft);border-radius:6px;padding:6px 10px;margin:10px 0 0}.note:empty,.error:empty{display:none}.error{color:var(--bad);font-family:var(--mono);font-size:13px;margin:10px 0 0}.muted{color:var(--muted)}.small{font-size:13px}.help{margin-top:10px;font-size:13.5px;color:var(--muted)}.help summary{cursor:pointer}.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:10px}.stat{border:1px solid var(--border);border-radius:8px;padding:8px 10px;display:flex;flex-direction:column}.stat .v{font-size:22px;font-weight:650;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.stat .k{color:var(--muted);font-size:13px}.notes{padding-left:18px;margin:8px 0}.notes li{margin-bottom:6px}code{font-family:var(--mono);font-size:13px;background:var(--code-bg);border:1px solid var(--border);border-radius:4px;padding:0 4px;margin:0 2px;white-space:pre-wrap}pre{font-family:var(--mono);font-size:13px;margin:0;white-space:pre-wrap;overflow-wrap:anywhere}pre.output,pre.code{background:var(--code-bg);border:1px solid var(--border);border-radius:6px;padding:6px 8px}pre.output:empty:before{content:"(nothing yet)";color:var(--muted)}.quiz{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}.question{border:1px solid var(--border);border-radius:8px;padding:10px 12px;min-width:0}.question p{margin:0 0 8px}.question details{margin:8px 0}.question summary{cursor:pointer;color:var(--accent)}.options{padding-left:22px}.small-btn{font-size:13px;padding:3px 8px}footer{color:var(--muted);font-size:13px;margin-top:24px}.mono{font-family:var(--mono);font-size:13px}.panes{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}.pane h3{margin-top:0}.pane[hidden]{display:none}.fields{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}.field{display:flex;flex-direction:column;gap:3px}.field select,.field input{width:100%}.grow{flex:1 1 220px;display:flex;align-items:center;gap:6px}input.wide{flex:1;min-width:0}.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}@media(max-width:820px){.two{grid-template-columns:minmax(0,1fr)}}.result h3:first-child{margin-top:0}.big{display:flex;align-items:baseline;gap:8px;margin-bottom:6px}.big .v{font-size:30px;font-weight:700;font-variant-numeric:tabular-nums}.big .k{color:var(--muted)}.kindbar{display:flex;height:12px;border-radius:6px;overflow:hidden;background:var(--mem-empty);min-width:60px}.kindbar span{flex-basis:0;min-width:2px}.k-hit{background:var(--k-hit)}.k-compulsory{background:var(--k-compulsory)}.k-capacity{background:var(--k-capacity)}.k-conflict{background:var(--k-conflict)}.chip.k-hit,.chip.k-compulsory,.chip.k-capacity,.chip.k-conflict{color:#fff;border-color:transparent}.k-hit-t{color:var(--k-hit)}.k-compulsory-t{color:var(--k-compulsory)}.k-capacity-t{color:var(--k-capacity)}.k-conflict-t{color:var(--k-conflict)}.tbl{border-collapse:collapse;width:100%;font-size:13.5px;margin:8px 0}.tbl th,.tbl td{text-align:left;padding:4px 8px;border-bottom:1px solid var(--border);vertical-align:middle}.tbl.kv th{color:var(--muted);font-weight:500;width:40%}.tbl td.num{text-align:right;font-variant-numeric:tabular-nums}.scroll{overflow-x:auto}.swatch{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:baseline}.annot{font-family:var(--mono);font-size:12.5px;background:var(--code-bg);border:1px solid var(--border);border-radius:6px;padding:6px 0;min-width:max-content}.aline{display:grid;grid-template-columns:30px 70px 96px auto;align-items:center;gap:8px;padding:0 8px}.aline .ln{color:var(--muted);text-align:right}.aline .heat{height:8px;background:var(--mem-empty);border-radius:4px;overflow:hidden}.aline .heat span{display:block;height:100%;background:var(--k-conflict)}.aline .cnt{color:var(--muted);text-align:right}.aline code.src{background:none;border:0;margin:0;padding:0;white-space:pre}.current{display:flex;flex-wrap:wrap;align-items:center;gap:6px;min-height:28px;margin-bottom:6px}.counters{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:13.5px;font-variant-numeric:tabular-nums;margin-bottom:10px}.stage{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}@media(max-width:820px){.stage{grid-template-columns:minmax(0,1fr)}}.cachewrap{max-height:460px;overflow:auto;border:1px solid var(--border);border-radius:6px;background:var(--code-bg)}.cachewrap canvas,.memarr canvas{display:block}.tip{margin:6px 0 0;min-height:1.5em}.mem{display:flex;flex-direction:column;gap:10px;max-height:460px;overflow:auto}.memarr .small{margin-bottom:3px}.log{font-family:var(--mono);font-size:12.5px;padding-left:54px;margin:4px 0}.log li{margin-bottom:2px}.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px}.chart{width:100%;max-width:760px;height:auto;display:block}.chart .gridline{stroke:var(--border)}.chart .axis{fill:var(--muted);font:12px system-ui,sans-serif}.chart .series{fill:none;stroke-width:2.5}.chart .s0{stroke:var(--arr-0);fill:var(--arr-0)}.chart .s1{stroke:var(--arr-1);fill:var(--arr-1)}.chart path.series{fill:none}.chart text.lg{stroke:none}select{max-width:100%}.legend{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 4px;font-size:12.5px}.chip{border:1px solid var(--border);border-radius:999px;padding:1px 8px}