:root{color-scheme:light;--paper: #f7f1e3;--paper-deep: #efe4cc;--ink: #1f2b2d;--muted: #5b6b6a;--accent: #e76f51;--accent-soft: rgba(231, 111, 81, .4);--tile: rgba(255, 255, 255, .8);--tile-border: rgba(31, 43, 45, .15);--line: rgba(31, 43, 45, .18);--baseline: #2a9d8f;--xheight: #e9c46a;--trace-bg: #d1d5db;--trace-done: #3b82f6;--cursor-bg: #93c5fd;--cursor-arrow: #ffffff}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Iowan Old Style,Palatino Linotype,Palatino,Garamond,serif;color:var(--ink);background-color:var(--paper);background-image:radial-gradient(circle at 10% 20%,rgba(255,255,255,.7),transparent 55%),radial-gradient(circle at 85% 15%,rgba(233,196,106,.25),transparent 55%),radial-gradient(circle at 20% 85%,rgba(42,157,143,.18),transparent 50%),repeating-linear-gradient(135deg,rgba(31,43,45,.06) 0,rgba(31,43,45,.06) 1px,transparent 1px,transparent 14px)}#app{min-height:100vh}.site-nav{max-width:1200px;margin:0 auto;padding:20px 32px 0;display:flex;flex-wrap:wrap;gap:14px;font-family:Space Mono,Courier New,monospace;font-size:.9rem}.site-nav a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(231,111,81,.4)}.site-nav a:hover{border-bottom-color:var(--accent)}.demo-page{max-width:1200px;margin:0 auto;padding:36px 32px 64px;display:flex;flex-direction:column;gap:28px}.demo-header{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between}.demo-header__title h1{margin:0 0 8px;font-size:clamp(2.2rem,4vw,3.2rem);letter-spacing:-.02em}.demo-header__title p{margin:0;color:var(--muted)}.demo-join{padding:24px;border-radius:28px;background:linear-gradient(120deg,#ffffffe6,#ffffffb3);border:1px solid rgba(31,43,45,.15);box-shadow:0 18px 40px #1f2b2d14;display:grid;gap:18px}.demo-join__controls{display:grid;gap:16px;align-items:start}.demo-join__canvases{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}.demo-join__canvas-title{padding:12px 16px 0;font-family:Space Mono,Courier New,monospace;font-size:.85rem;color:var(--muted)}.demo-join__canvas-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 16px 0}.demo-join__canvas-header .demo-join__canvas-title{padding:0}.demo-join__field{display:grid;gap:6px;font-family:Space Mono,Courier New,monospace;font-size:.85rem;color:var(--muted)}.demo-join__field--range{min-width:0}.demo-join__disclosure{border:1px solid rgba(31,43,45,.12);border-radius:16px;background:#ffffff73;padding:12px 14px 14px}.demo-join__disclosure-summary{cursor:pointer;font-family:Space Mono,Courier New,monospace;font-size:.85rem;color:var(--ink);list-style:none}.demo-join__disclosure-summary::-webkit-details-marker{display:none}.demo-join__disclosure-summary:before{content:"▾";display:inline-block;margin-right:8px;transition:transform .2s ease}.demo-join__disclosure:not([open]) .demo-join__disclosure-summary:before{transform:rotate(-90deg)}.demo-join__disclosure[open] .demo-join__slider-grid{margin-top:14px}.demo-join__slider-grid{display:grid;grid-template-columns:repeat(2,minmax(220px,1fr));gap:16px}.demo-join__metrics{border:1px solid rgba(31,43,45,.12);border-radius:16px;background:#ffffff73;padding:14px}.demo-join__metrics-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:10px;font-family:Space Mono,Courier New,monospace;font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.demo-join__metrics-table{display:grid;gap:6px;overflow-x:auto}.demo-join__metrics-row{display:grid;grid-template-columns:1fr repeat(4,minmax(0,1fr));gap:12px;min-width:520px;padding:8px 10px;border-radius:10px;background:#fff9;font-family:Space Mono,Courier New,monospace;font-size:.8rem;color:var(--ink)}.demo-join__metrics-row--head{background:transparent;padding:0 10px 4px;color:var(--muted)}.demo-join__metrics-empty{margin:0;font-family:Space Mono,Courier New,monospace;font-size:.8rem;color:var(--muted)}.demo-join__range-row{display:flex;align-items:center;gap:12px}.demo-join__range{width:100%}.demo-join__range-value{min-width:5ch;text-align:right;color:var(--ink)}.demo-join__input{width:min(360px,90vw);padding:10px 14px;border-radius:12px;border:1px solid rgba(31,43,45,.2);background:#ffffffd9;font-size:1rem;font-family:Iowan Old Style,Palatino Linotype,Palatino,Garamond,serif}.demo-join__segmented{display:inline-flex;flex-wrap:wrap;gap:8px}.demo-join__segmented-option{position:relative}.demo-join__segmented-input{position:absolute;opacity:0;pointer-events:none}.demo-join__segmented-label{display:inline-flex;align-items:center;justify-content:center;min-width:120px;padding:10px 14px;border-radius:999px;border:1px solid rgba(31,43,45,.16);background:#ffffffbf;color:var(--ink);cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease}.demo-join__segmented-input:checked+.demo-join__segmented-label{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-1px)}.demo-join__canvas{border-radius:20px;border:1px solid rgba(31,43,45,.15);background:#f7f1e3d9;overflow:hidden}.demo-join__canvas--trace{grid-column:1 / -1}.demo-join__svg{width:100%;height:320px;display:block}.demo-join__button{padding:10px 20px;border-radius:12px;border:1px solid rgba(31,43,45,.2);background:var(--accent);color:#fff;font-size:.85rem;font-family:Space Mono,Courier New,monospace;cursor:pointer;transition:background .2s}.demo-join__button:hover{background:#d95d40}.demo-join__bg{fill:#ffffffa6}.demo-join__path{fill:none;stroke:var(--accent);stroke-opacity:.6;stroke-width:48;stroke-linecap:round;stroke-linejoin:round}.demo-join__path-static{fill:none;stroke-linecap:round;stroke-linejoin:round}.demo-join__nib{fill:#ffe8b3;stroke:#1f2b2db3;stroke-width:3}.demo-join__empty{fill:var(--muted);font-family:Space Mono,Courier New,monospace;font-size:18px}.demo-trace__canvas-container{position:relative;border-top:1px solid rgba(31,43,45,.08);background:#f7f1e3d9;overflow:hidden}.demo-trace__svg{width:100%;height:360px;display:block;touch-action:none;-webkit-user-select:none;user-select:none}.demo-trace__bg{fill:#ffffffa6}.demo-trace__stroke-bg{fill:none;stroke:var(--trace-bg);stroke-opacity:.7;stroke-width:48;stroke-linecap:round;stroke-linejoin:round}.demo-trace__stroke-trace{fill:none;stroke:var(--trace-done);stroke-opacity:.8;stroke-width:48;stroke-linecap:round;stroke-linejoin:round}.demo-trace__cursor{pointer-events:none}.demo-trace__cursor-bg{fill:var(--cursor-bg);stroke:#1f2b2d4d;stroke-width:3}.demo-trace__cursor-arrow{fill:var(--cursor-arrow);stroke:#1f2b2d26;stroke-width:1.5}.demo-trace__empty{fill:var(--muted);font-family:Space Mono,Courier New,monospace;font-size:18px}.demo-trace__complete-message{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);padding:24px 48px;background:#2a9d8ff2;color:#fff;font-size:2rem;font-weight:600;border-radius:20px;box-shadow:0 8px 32px #0003;opacity:0;pointer-events:none;transition:opacity .3s ease}.demo-trace__complete-message.visible{opacity:1}.demo-guide{stroke:var(--line);stroke-width:1;vector-effect:non-scaling-stroke}.demo-guide--baseline{stroke:var(--baseline);stroke-width:1.5}.demo-guide--xheight{stroke:var(--xheight)}@media (max-width: 900px){.demo-page{padding:28px 20px 48px}.demo-join__canvases{grid-template-columns:1fr}.demo-join__svg{height:240px}.demo-trace__svg{height:300px}}@media (max-width: 640px){.demo-join__slider-grid{grid-template-columns:1fr}.demo-join__canvas-header{flex-direction:column;align-items:flex-start}.demo-trace__svg{height:260px}}