:root{--bg:#f5f3ed;--surface:#fffdf8;--ink:#202925;--muted:#69736d;--line:#d5d8ce;--accent:#326c62;--accent2:#d8ebe5;--under:#46658d;--over:#a35d34;--good:#27705c;--cell:#fffdf8;--shadow:0 10px 30px rgba(34,47,41,.08)}@media(prefers-color-scheme:dark){:root{--bg:#151a18;--surface:#202724;--ink:#eef2ed;--muted:#a9b2ac;--line:#3d4843;--accent:#82c8b8;--accent2:#28483f;--under:#91b6e3;--over:#e9a172;--good:#83d4bb;--cell:#252e2a;--shadow:none}}*{box-sizing:border-box}html{color-scheme:light dark}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;line-height:1.4}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}.nav{height:52px;padding:0 max(16px,calc((100vw - 1040px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid 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.13s;min-height:40px}.cell.splittable:hover{transform:translateY(-2px)}.cell.locked{color:var(--muted)}.cell.empty{color:transparent;background:color-mix(in srgb,var(--surface) 50%,var(--bg))}.cell.selected{background:var(--accent);color:var(--bg);border-color:var(--ink)}.cell.legal{background:var(--accent2);color:var(--ink);border:2px dashed var(--accent)}.cell.illegal{background:color-mix(in srgb,var(--over) 16%,transparent);border:2px dashed var(--over)}.cell small{font-size:.52rem;display:block;line-height:1}.dragGhost{position:fixed;transform:translate(-50%,-140%);pointer-events:none;z-index:60;min-width:34px;height:34px;padding:0 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