:root{color-scheme:dark;--bg: #0a0a0c;--bg-glow: rgba(245, 181, 46, .05);--material: rgba(17, 17, 21, .68);--card-top: rgba(255, 255, 255, .05);--card-bottom: rgba(255, 255, 255, .03);--well: rgba(255, 255, 255, .06);--fill: rgba(255, 255, 255, .12);--thumb: rgba(255, 255, 255, .16);--text: #f5f4f0;--text-2: #e4e3de;--text-3: #d8d7d2;--text-4: #a09f9a;--accent: #f5f4f0;--accent-hi: #f5f4f0;--accent-ink: #141410;--ok: #f5f4f0;--ok-bg: rgba(255, 255, 255, .09);--fail: #f5f4f0;--fail-bg: rgba(255, 255, 255, .06);--warn: #f5f4f0;--warn-bg: rgba(255, 255, 255, .06);--shadow-card: 0 1px 2px rgba(0, 0, 0, .16), 0 6px 24px rgba(0, 0, 0, .16);--shadow-pop: 0 .5px 1px rgba(0, 0, 0, .14), 0 2px 8px rgba(0, 0, 0, .12);--ease-out: cubic-bezier(.23, 1, .32, 1);--dur-1: .15s;--dur-2: .25s;--r-card: 18px;--r-control: 12px;--font: ui-sans-serif, -apple-system, "SF Pro Text", "Helvetica Neue", system-ui, sans-serif;--mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, monospace}@media(prefers-color-scheme:light){:root{color-scheme:light;--bg: #f6f5f1;--bg-glow: rgba(28, 27, 22, .03);--material: rgba(252, 251, 248, .7);--card-top: rgba(255, 255, 255, .9);--card-bottom: rgba(255, 255, 255, .6);--well: rgba(28, 27, 22, .05);--fill: rgba(28, 27, 22, .08);--thumb: rgba(255, 255, 255, .9);--text: #201f1b;--text-2: #3d3c36;--text-3: #515047;--text-4: #89887e;--accent: #201f1b;--accent-hi: #201f1b;--accent-ink: #ffffff;--ok: #201f1b;--ok-bg: rgba(28, 27, 22, .07);--fail: #201f1b;--fail-bg: rgba(28, 27, 22, .05);--warn: #201f1b;--warn-bg: rgba(28, 27, 22, .05);--shadow-card: 0 1px 2px rgba(32, 30, 24, .04), 0 6px 24px rgba(32, 30, 24, .04);--shadow-pop: 0 .5px 1px rgba(32, 30, 24, .06), 0 2px 8px rgba(32, 30, 24, .05)}}*{box-sizing:border-box}html{background:var(--bg);scrollbar-gutter:stable}body{margin:0;font:400 16.5px/1.6 var(--font);color:var(--text);background:radial-gradient(100rem 46rem at 78% -16%,var(--bg-glow),transparent 62%),var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}::selection{background:color-mix(in srgb,var(--text) 22%,transparent)}h1,h2,h3{font-weight:680;letter-spacing:-.022em;text-wrap:balance;margin:0}a{color:inherit}code,.mono{font-family:var(--mono);font-size:.9em;letter-spacing:0}.shell{min-height:100dvh;display:flex;flex-direction:column}.top{position:sticky;top:0;z-index:10;background:var(--material);backdrop-filter:blur(24px) saturate(170%);-webkit-backdrop-filter:blur(24px) saturate(170%)}@media(prefers-reduced-transparency:reduce){.top{background:var(--bg);backdrop-filter:none;-webkit-backdrop-filter:none}}.top-inner{max-width:64rem;margin:0 auto;padding:0 1.5rem;height:3.5rem;display:flex;align-items:center;gap:1.5rem}.wordmark{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.02rem;letter-spacing:-.02em;text-decoration:none}.wordmark img{display:block}.segmented{position:relative;margin-left:auto;display:inline-grid;grid-auto-columns:1fr;grid-auto-flow:column;gap:2px;background:var(--well);border-radius:999px;padding:3px}.segmented-thumb{position:absolute;top:3px;bottom:3px;left:0;border-radius:999px;background:var(--thumb);box-shadow:var(--shadow-pop);transition:transform .2s var(--ease-out);will-change:transform;pointer-events:none}.segmented a{position:relative;z-index:1;text-align:center;text-decoration:none;color:var(--text-3);font-size:.88rem;font-weight:550;padding:.3rem .9rem;border-radius:999px;white-space:nowrap;transition:color var(--dur-1) ease}.segmented a.active{color:var(--text)}@media(hover:hover)and (pointer:fine){.segmented a:not(.active):hover{color:var(--text)}}.segmented a:active{transform:scale(.97);transition:transform .1s ease-out}@media(prefers-reduced-motion:reduce){.segmented-thumb{transition:none}}@media(max-width:30rem){.top-inner{padding:0 1rem;gap:.75rem}.segmented a{padding:.3rem .55rem;font-size:.82rem}}main{flex:1;width:100%;max-width:64rem;margin:0 auto;padding:3.5rem 1.5rem 5rem}main.narrow{max-width:50rem}.block{margin-top:4.5rem}.section-title{font-size:1.35rem;line-height:1.2;margin:0 0 1.1rem}h1{font-size:clamp(2rem,3.6vw,2.6rem);line-height:1.06;letter-spacing:-.028em}.lede{color:var(--text-2);max-width:42rem;font-size:1.13rem;line-height:1.55;margin:.9rem 0 0}.overline{font-size:.72rem;font-weight:650;letter-spacing:.07em;text-transform:uppercase;color:var(--text-3);margin:0 0 .9rem}.stack>*+*{margin-top:1.4rem}.result,.matrix-scroll,.tool-list a{background:linear-gradient(var(--card-top),var(--card-bottom));border-radius:var(--r-card);box-shadow:var(--shadow-card)}.result{padding:1.3rem 1.4rem;margin-top:1rem}.grid{display:grid;gap:1.25rem}@media(min-width:46rem){.grid.two{grid-template-columns:1fr 1fr}.grid.three{grid-template-columns:repeat(3,1fr)}}.entry{animation:enter var(--dur-2) var(--ease-out) backwards;animation-delay:calc(var(--i, 0) * 50ms)}@keyframes enter{0%{opacity:0;transform:translateY(8px)}}@media(prefers-reduced-motion:reduce){.entry{animation:fade var(--dur-1) ease backwards}@keyframes fade{0%{opacity:0}}}label.field{display:block;font-size:.82rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text-3)}label.field>.label-text{display:block;margin-bottom:.45rem}textarea,input,select{width:100%;font:450 .92rem/1.5 var(--font);color:var(--text);background:var(--well);border:1px solid transparent;border-radius:var(--r-control);padding:.65rem .85rem;transition:border-color var(--dur-1) ease,box-shadow var(--dur-1) ease}textarea{font-family:var(--mono);font-size:.83rem;resize:vertical;min-height:6.5rem;word-break:break-all}textarea:focus,input:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}textarea::placeholder,input::placeholder{color:var(--text-4)}input[type=number]{font-family:var(--mono)}select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 18px) 55%,calc(100% - 13px) 55%;background-size:5px 5px;background-repeat:no-repeat}.btn{appearance:none;border:none;background:var(--fill);color:var(--text);font:550 .95rem/1 var(--font);padding:.75rem 1.35rem;border-radius:999px;cursor:pointer;transition:transform .1s ease-out,background-color var(--dur-1) ease,opacity var(--dur-1) ease,filter var(--dur-1) ease}@media(hover:hover)and (pointer:fine){.btn:hover{background:color-mix(in srgb,var(--text) 16%,transparent)}}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.4;cursor:default;transform:none}.btn.primary{background:var(--text);color:var(--bg);box-shadow:0 1px 2px #0000001a;padding:.75rem 1.45rem}@media(hover:hover)and (pointer:fine){.btn.primary:hover{background:var(--text);filter:brightness(1.05)}}.copy-btn{color:var(--text-3);background:var(--well);font-size:.8rem;padding:.4rem .75rem}@media(hover:hover)and (pointer:fine){.copy-btn:hover{color:var(--text);background:var(--fill)}}.btn-row{display:flex;gap:.7rem;flex-wrap:wrap;align-items:center;margin-top:1.1rem}.error-line{color:var(--fail);background:var(--fail-bg);border-radius:var(--r-control);padding:.7rem .95rem;font-size:.92rem;overflow-wrap:anywhere;margin:1.1rem 0 0}.verdict{border-radius:var(--r-control);padding:1.05rem 1.3rem;font-weight:600;font-size:1.02rem;letter-spacing:-.01em;display:flex;align-items:center;gap:.75rem}.verdict .mark{flex:none;width:1.1rem;text-align:center;font-weight:700}.verdict.ok{background:var(--ok-bg);color:var(--ok)}.verdict.ok .dot{background:var(--ok)}.verdict.fail{background:var(--text);color:var(--bg)}.verdict.fail .dot{background:var(--bg)}.verdict.warn{background:var(--warn-bg);color:var(--warn)}.verdict.warn .dot{background:var(--warn)}.kv{display:grid;grid-template-columns:9.5rem 1fr;gap:.2rem 1.25rem;align-items:baseline}.kv dt{color:var(--text-3);font-size:.72rem;font-weight:650;letter-spacing:.06em;text-transform:uppercase}.kv dd{margin:0;font-family:var(--mono);font-size:.82rem;overflow-wrap:anywhere}.codeblock{font-family:var(--mono);font-size:.8rem;line-height:1.65;background:var(--well);border-radius:var(--r-control);padding:1rem 1.15rem;overflow-wrap:anywhere;white-space:pre-wrap;margin:0}.grammar{white-space:pre;overflow-x:auto;overflow-wrap:normal}.gc{color:var(--text-3)}table.outputs,table.matrix{width:100%;border-collapse:collapse;font-size:.93rem}table.outputs th,table.matrix thead th{text-align:left;color:var(--text-3);font-size:.72rem;font-weight:650;letter-spacing:.06em;text-transform:uppercase;padding:.35rem .75rem .55rem}table.outputs td,table.matrix td,table.matrix tbody th{padding:.7rem .75rem;font-variant-numeric:tabular-nums}table.outputs td{transition:background-color var(--dur-1) ease}table.outputs td:first-child{border-radius:var(--r-control) 0 0 var(--r-control)}table.outputs td:last-child{border-radius:0 var(--r-control) var(--r-control) 0}@media(hover:hover)and (pointer:fine){table.outputs tbody tr:hover td{background:var(--well)}}table.outputs input[type=checkbox]{width:1.05rem;height:1.05rem;accent-color:var(--accent)}.badge{display:inline-block;font-size:.75rem;font-weight:650;border-radius:999px;padding:.12rem .6rem}.badge.warn{color:var(--warn);background:var(--warn-bg)}.badge.internal{color:var(--text-2);background:var(--well)}.note{color:var(--text-2);font-size:.88rem;line-height:1.6}.warning-line{color:var(--warn);background:var(--warn-bg);border-radius:var(--r-control);padding:.7rem .95rem;font-size:.92rem;margin:0}.hero{padding:1.5rem 0 0}.hero h1{font-size:clamp(2.6rem,5.6vw,4.1rem);line-height:1.03;letter-spacing:-.032em;max-width:21ch}.hero .lede{font-size:1.22rem;max-width:36rem}.hero .btn-row{margin-top:1.75rem}.string-view{margin-top:1.1rem;font-size:.72rem;line-height:1.75}.string-view .hrp-part{color:var(--accent);font-weight:650}.string-view .rest{color:var(--text-3)}.matrix-scroll{overflow-x:auto;padding:.9rem .65rem .6rem}table.matrix tbody th{text-align:left;font-weight:600}table.matrix td{color:var(--text-2);white-space:nowrap}table.matrix td.yes{color:var(--text);font-weight:600}table.matrix td.no{color:var(--text-3)}.tool-list{display:grid;gap:.9rem}@media(min-width:46rem){.tool-list{grid-template-columns:repeat(3,1fr)}}.tool-list a{display:grid;grid-template-columns:1fr auto;gap:.35rem 1rem;padding:1.2rem 1.35rem 1.3rem;text-decoration:none;transition:transform .1s ease-out}.tool-list .name{font-size:1.08rem;font-weight:650;letter-spacing:-.015em}.tool-list .desc{grid-row:2;grid-column:1 / -1;color:var(--text-2);font-size:.92rem;line-height:1.5}.tool-list .arrow{color:var(--text-4);transition:transform var(--dur-1) var(--ease-out),color var(--dur-1) ease}@media(hover:hover)and (pointer:fine){.tool-list a:hover .arrow{transform:translate(3px);color:var(--text)}}.tool-list a:active{transform:scale(.98)}