:root{--ink: #24170e;--muted: #655547;--paper: #efe2bf;--panel: #fbf3da;--line: #b89e70;--accent: #0d7566;--accent-2: #1f4e88;--warn: #a44a2c;--preview: #c48a1f}*{box-sizing:border-box}body{margin:0;min-width:320px;color:var(--ink);background:radial-gradient(900px 460px at 100% -8%,rgba(38,111,137,.28) 0%,transparent 58%),radial-gradient(680px 360px at 0% 100%,rgba(180,142,70,.22) 0%,transparent 56%),radial-gradient(520px 240px at 82% 18%,rgba(245,213,138,.2) 0%,transparent 60%),var(--paper);font-family:Trebuchet MS,Lucida Grande,Lucida Sans Unicode,sans-serif}#app{width:min(1180px,100%);margin:0 auto;padding:1rem}.shell{display:grid;gap:1rem}.hero{border-radius:14px;padding:1rem 1.2rem;color:#fff8e7;background:radial-gradient(circle at 78% 24%,rgba(245,215,146,.18) 0%,transparent 24%),linear-gradient(135deg,#2f1e12,#5b3a1f 42%,#7a4d22);box-shadow:inset 0 1px #ffebbd1f,0 12px 28px #3821102e}.source-note{margin:0 0 .85rem;font-size:.88rem;color:#fff4d6e6}.source-note a{color:#f3d389;font-weight:600;text-underline-offset:.14em;text-decoration-thickness:1.5px}.source-note a:hover,.source-note a:focus-visible{color:#ffe4a0}.hero h1{margin:0;font-size:clamp(2rem,4vw,2.8rem);font-family:Palatino Linotype,Book Antiqua,Palatino,serif;letter-spacing:.01em}.hero-head{display:grid;grid-template-columns:auto 1fr;gap:1rem;align-items:center}.hero-mark{width:clamp(72px,10vw,96px);aspect-ratio:1;border-radius:18px;padding:.45rem;background:linear-gradient(145deg,#f4d99d2e,#7a4d2214),#120b0838;border:1px solid rgba(241,205,125,.22);box-shadow:inset 0 1px #fff0cd1f}.hero-mark svg{display:block;width:100%;height:100%}.hero-copy{min-width:0}.eyebrow{margin:0 0 .3rem;text-transform:uppercase;letter-spacing:.09em;font-size:.78rem;opacity:.9}.subtitle{margin:.35rem 0 0;max-width:64ch;color:#fff6e0e6}.hud-panel{margin-top:.8rem;border:1px solid var(--line);border-radius:12px;background:linear-gradient(180deg,#fff9e8ad,#f7eac4e6);padding:.8rem;display:grid;gap:.7rem;box-shadow:inset 0 1px #fff8e2b3}.hud-controls{display:flex;flex-wrap:wrap;gap:.8rem}label{display:grid;gap:.3rem;font-weight:700}input,button{font:inherit}input[type=number]{border:1px solid var(--line);border-radius:8px;background:#fffaeeeb;color:inherit;padding:.45rem .55rem;min-width:120px;box-shadow:inset 0 1px #ffffffd9}button{border:1px solid var(--line);border-radius:9px;background:linear-gradient(180deg,#fffaf0,#f3e4bc);color:inherit;padding:.45rem .75rem;cursor:pointer;box-shadow:inset 0 1px #ffffffb3}button:hover:not(:disabled){border-color:color-mix(in oklab,var(--accent-2) 38%,var(--line) 62%)}button:focus-visible{outline:2px solid color-mix(in oklab,var(--accent-2) 70%,#001e52 30%);outline-offset:2px}button:disabled{opacity:.5;cursor:not-allowed}.button-cta{border-color:color-mix(in oklab,var(--accent) 68%,#0d4f43 32%);background:linear-gradient(180deg,#1d9986,#0d7566);color:#f7fffc;box-shadow:0 8px 18px #0d756638}.button-cta:hover:not(:disabled){border-color:color-mix(in oklab,var(--accent) 80%,#083b33 20%);background:linear-gradient(180deg,#1bb194,#0b866f)}.hud-meta{display:flex;flex-wrap:wrap;gap:.75rem 1rem}.summary-line{margin:0}.summary-line.ok{color:var(--accent);font-weight:700}.mode-note{margin:0;color:var(--muted)}.hud-actions{display:flex;gap:.55rem;flex-wrap:wrap}.rungs{display:grid;gap:1rem;grid-template-columns:1fr}.card{border:1px solid var(--line);background:linear-gradient(180deg,#fffaeceb,#f8efd3fa);border-radius:12px;padding:.85rem;box-shadow:inset 0 1px #fff8e5bf}.rung h2{margin:0;font-size:1.1rem}.rung p{margin:.25rem 0 .75rem;color:var(--muted)}.coin-track{position:relative;border:1px solid var(--line);border-radius:16px;background:radial-gradient(120% 90% at 50% -40%,#fff8e7,#f0ebdc 55%,#e5e1d5);padding:1.1rem .9rem;min-height:80px;overflow:hidden;-webkit-user-select:none;user-select:none}.coin-track.dragging{border-color:color-mix(in oklab,var(--accent-2) 55%,var(--line) 45%);box-shadow:inset 0 0 0 1px #1f4e8829}.coin-track-disabled{opacity:.8}.coin-track-readonly{cursor:default}.coins{display:flex;flex-wrap:nowrap;justify-content:space-evenly;align-items:center;gap:.18rem;min-height:56px;width:100%}.coin{width:18px;height:18px;border-radius:50%;border:1px solid rgba(0,0,0,.16);box-shadow:inset -2px -2px #00000024,inset 2px 2px #ffffff7a;transition:transform .13s ease,background-color .13s ease}.coin.g1{background:radial-gradient(circle at 30% 30%,#ffd690,#e6ae43 60%,#b07d21)}.coin.g2{background:radial-gradient(circle at 30% 30%,#b7dbff,#6ba9e6 60%,#3e6eb1)}.coin.g3{background:radial-gradient(circle at 30% 30%,#bbe8d0,#7bc39f 60%,#3d7e68)}.handle{position:absolute;top:50%;height:64px;width:12px;margin-left:-6px;margin-top:-32px;border:2px solid #2658be;border-radius:8px;background:linear-gradient(180deg,#f6faff,#dbe8ff);box-shadow:0 0 0 2px #ffffffbf,0 6px 14px #1630662e;touch-action:none;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease}.handle:hover,.handle:focus-visible{transform:scale(1.04)}.handle.dragging{border-color:#0e1f54;box-shadow:0 0 0 2px #ffffffd9,0 9px 18px #0e1f5447}.handle-static{pointer-events:none;opacity:.8;height:62px;margin-top:-31px}.handle-muted{width:8px;margin-left:-4px;border-color:#7c879a;background:linear-gradient(180deg,#f5f7fb,#d9dee8);box-shadow:0 0 0 2px #ffffffbf,0 4px 10px #3a44581f}.split-readout{margin:.6rem 0 0}.rung-actions{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:.75rem}.submission-list{margin-top:.85rem;min-height:12rem;padding-bottom:.25rem}.submission-empty{margin:0;color:var(--muted)}.submission-items{display:grid;gap:.6rem;margin:0;padding-left:1.25rem}.submission-item{display:grid;gap:.25rem}.submission-primary{font-weight:700;color:var(--ink)}.submission-duplicate{display:block;color:var(--muted);font-size:.9rem}.cut-grid-matrix{display:grid;gap:.55rem;margin-top:.75rem}.cut-grid-row{display:grid;grid-template-columns:minmax(48px,auto) 1fr;gap:.5rem;align-items:start}.cut-grid-row-label{padding-top:.3rem;font-size:.76rem;font-weight:700;color:var(--muted)}.cut-grid-row-cells{display:flex;flex-wrap:nowrap;gap:.35rem;min-width:0;overflow-x:auto;padding-bottom:.1rem}.grid-cell{font-size:.74rem;padding:.35rem .5rem;border-radius:8px;white-space:nowrap;min-width:7.4rem;min-height:2.15rem;transition:background-color .12s ease,border-color .12s ease,transform .12s ease}.grid-cell.current{background:#d9e6ff;border-color:#8ab0ff}.grid-cell.grid-cell-hidden{color:transparent}.grid-cell.permutation-match{background:#e1b14b;border-color:#7a5210;color:#2d1b04}.grid-cell.grid-cell-hidden:after{content:"";display:block;min-height:1em}.partition-detail{min-height:1.5rem;font-weight:700;color:var(--ink)}.triangle-legend{margin-top:.3rem;color:var(--muted);font-size:.92rem}#triangle-track{margin-top:.85rem}.triangle{width:100%;max-width:430px;display:block;margin:0 auto}.triangle-solo{touch-action:none;overflow:visible}.tri-outline{fill:none;stroke:var(--line);stroke-width:1.5}.tri-tick{stroke:#b9ab92;stroke-width:1.1;stroke-linecap:round}.tri-lattice-point{fill:#b0bcd6bf;stroke:#687ba8b3;stroke-width:.9;pointer-events:none}.tri-lattice-point.sorted-home{fill:#9cabcce6;stroke:#5a6c9ad1;stroke-width:1}.tri-lattice-point.selected,.tri-lattice-point.nearest{fill:#5c89e8;stroke:#1a4aa9}.tri-lattice-point.related{fill:#d8a33b;stroke:#6b4410}.tri-force-path{fill:none;stroke:#607caab3;stroke-width:1.7;stroke-dasharray:5 4;stroke-linecap:round;animation:flow-dash 1.1s linear infinite}.tri-force-basin{fill:#5fb29b1f;stroke:#33836f4d;pointer-events:none;animation:breathe-basin 1.9s ease-in-out infinite}.tri-force-basin.outer{stroke-width:1.3}.tri-force-basin.inner{fill:#5fb29b2e;stroke-width:1}.tri-guide{stroke:#2353b14d;stroke-width:1.2}.tri-edge-labels text{display:none;font-size:11px;font-weight:700;text-anchor:middle;fill:#2a466d;paint-order:stroke;stroke:#fffdfa;stroke-width:3px;stroke-linejoin:round}.tri-marker-aura{fill:#3a73d826;stroke:#3a73d842;stroke-width:1.4;pointer-events:none;transform-box:fill-box;transform-origin:center center;animation:pulse-marker 1.8s ease-in-out infinite}.tri-marker{fill:#1e4db7;stroke:#f7fbff;stroke-width:2;cursor:grab;transition:fill .12s ease,transform .12s ease}.tri-marker.dragging{fill:#0a7b67;cursor:grabbing}.tri-marker-aura.dragging{fill:#0a7b6726;stroke:#0a7b6747}@keyframes pulse-marker{0%,to{transform:scale(.92);opacity:.55}50%{transform:scale(1.22);opacity:1}}@keyframes breathe-basin{0%,to{opacity:.55}50%{opacity:1}}@keyframes flow-dash{0%{stroke-dashoffset:0}to{stroke-dashoffset:-18}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:920px){.hero-head{grid-template-columns:1fr}.hero-mark{width:84px}.triangle{max-width:100%}}@media(max-width:620px){.cut-grid-row{grid-template-columns:1fr;gap:.25rem}.cut-grid-row-label{padding-top:0}}@media(prefers-reduced-motion:reduce){.coin,.grid-cell,.handle,.tri-marker,.tri-marker-aura,.tri-force-basin,.tri-force-path{transition:none;animation:none}}