:root{--bg: #f7f8fa;--surface: #ffffff;--text: #16181d;--muted: #5b6270;--border: #d9dde4;--accent: #2f6fed;--accent-text: #ffffff;--focus: #2f6fed;--radius: 10px;--danger: #b3261e;--ok: #0b6b2f;--out-field: #fde7e5;--paper: #ffffff;--ink: #111111;--ink-muted: #444444;--ink-line: #555555;--ok-ink: #0b6b2f;--out-ink: #b3261e;--out-bg: #fde7e5;--ink-head: #eeeeee;--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg: #111317;--surface: #1a1d23;--text: #e9ebef;--muted: #a3a9b5;--border: #2e333c;--accent: #6b9bff;--accent-text: #0b0d10;--focus: #8fb3ff;--danger: #ffb4ab;--ok: #7fd99a;--out-field: #3a1714}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 var(--font)}#app{max-width:1040px;margin:0 auto;padding:16px}.top h1{font-size:1.6rem;line-height:1.25;margin:8px 0 6px}.top .intro{margin:0 0 14px;color:var(--muted)}.about{color:var(--muted);font-size:.95rem}.about h2{color:var(--text);font-size:1.1rem;margin:8px 0}.about ul{padding-left:20px;margin:0 0 8px}.about li{margin-bottom:6px}h2{font-size:1.15rem;margin:0 0 8px}.tool{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px;margin-bottom:16px}.hint{color:var(--muted);font-size:.9rem;margin:0 0 12px}.error{color:var(--danger);font-size:.9rem;margin:4px 0 0;min-height:0}.error:empty{display:none}input[type=text]{width:100%;min-height:44px;font:16px/1.4 var(--font);color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:8px 10px}input[aria-invalid=true]{border-color:var(--danger)}label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:2px}button{min-height:44px;padding:0 18px;font:600 16px var(--font);border-radius:var(--radius);border:1px solid var(--accent);background:var(--accent);color:var(--accent-text);cursor:pointer}button.secondary{background:transparent;color:var(--accent)}button:disabled{opacity:.5;cursor:not-allowed}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.preview{overflow:hidden;border:1px solid var(--border);border-radius:4px;background:var(--paper)}.preview-inner{transform-origin:0 0}.sheet{color:var(--ink);background:var(--paper);font:13px/1.3 Arial,Helvetica,sans-serif}.sheet-page{padding:20px 24px}.sheet-page+.sheet-page{border-top:2px dashed var(--ink-line)}.sheet-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 28px;margin-bottom:10px}.sheet-head p{margin:0}.sheet-title{font-size:20px;font-weight:700;flex-basis:100%}.sheet table{width:100%;border-collapse:collapse;table-layout:fixed}.sheet th,.sheet td{border:1px solid var(--ink-line);padding:3px 4px;text-align:center;font-weight:400}.sheet thead th{font-weight:700;background:var(--ink-head)}.grid .unit-col{width:150px;text-align:left}.grid tbody th{height:44px}.unit-name{display:block;font-weight:700;overflow-wrap:anywhere}.unit-range{display:block;color:var(--ink-muted)}.removed{color:var(--ink-muted)}.grid .cell{font-size:12px}.grid .ok{color:var(--ok-ink)}.grid .out{color:var(--out-ink);background:var(--out-bg);font-weight:700}.actions-table{margin-top:14px}.actions-table caption{text-align:left;font-weight:700;padding-bottom:4px}.actions-table th:nth-child(4){width:45%}.actions-table .blank td{height:26px}.sheet-sign{margin:18px 0 6px;display:flex;gap:8px}.sheet-sign .line{flex:1;border-bottom:1px solid var(--ink)}.sheet-foot{margin:0;color:var(--ink-muted);font-size:11px}.print-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:12px}button.primary{font-size:18px;padding:0 28px;min-height:52px}.options,.records-row{display:flex;flex-wrap:wrap;gap:8px}.toggle{display:inline-flex}.toggle button{background:transparent;color:var(--accent);min-width:56px;padding:0 12px;font-weight:600}.toggle button:first-child{border-radius:var(--radius) 0 0 var(--radius)}.toggle button:last-child{border-radius:0 var(--radius) var(--radius) 0;border-left:0}.toggle button[aria-pressed=true]{background:var(--accent);color:var(--accent-text)}.f{min-width:0}.biz{max-width:420px;margin-bottom:12px}.units{list-style:none;margin:0;padding:0}.unit{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;grid-template-areas:"name name name" "min max remove" "error error error";gap:6px 8px;align-items:end;padding:10px 0;border-top:1px solid var(--border)}.unit .name{grid-area:name}.unit .remove{grid-area:remove;padding:0 12px}.unit .error{grid-area:error}@media(min-width:640px){.unit{grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1fr) auto;grid-template-areas:"name min max remove" "error error error error"}}.units-foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding-top:10px;border-top:1px solid var(--border)}.units-foot .hint{margin:0}[hidden]{display:none!important}h3{font-size:1rem;margin:16px 0 6px}.unit-pick,.choices{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}button.chip{padding:0 14px;font-weight:600}button.chip[aria-pressed=true]{background:var(--accent);color:var(--accent-text)}.log-row{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:8px;margin-bottom:12px;max-width:420px}.with-sign{display:flex;gap:6px}button.sign{flex:none;padding:0 12px;min-width:44px;font-size:18px}input.out{border:2px solid var(--danger);background:var(--out-field)}.out-box{border-left:4px solid var(--danger);padding:4px 0 4px 12px;margin-bottom:12px}.out-msg{color:var(--danger);font-weight:700;margin:0 0 8px}.out-box .f{max-width:420px}.saved{color:var(--ok);font-weight:600;margin:8px 0 0}.saved:empty{display:none}.notice{border-left:4px solid var(--danger);padding:4px 0 4px 12px;margin:12px 0 0}.notice p{color:var(--danger);font-weight:600;margin:0 0 8px}.notice[hidden]{display:none}input[type=file]{font-size:16px}.locked-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:8px 0 12px}.locked-row p{margin:0;flex-basis:100%}.undo{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:8px}.undo:empty{display:none}.entries{list-style:none;margin:0;padding:0}.entry{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 0;border-top:1px solid var(--border)}.entry-text{min-width:0;overflow-wrap:anywhere}.entry.out .entry-text{color:var(--danger);font-weight:600}.entry button{flex:none;padding:0 12px}@media print{:root{--paper: #ffffff;--ink: #000000}body{background:var(--paper)}#app{max-width:none;padding:0}.top,.about,main>:not(.sheet-section),.sheet-section>:not(.preview){display:none!important}.sheet-section{border:0;padding:0;margin:0;background:none}.preview{border:0;border-radius:0;overflow:visible;height:auto!important}.preview-inner{transform:none!important;width:auto!important}.sheet{print-color-adjust:exact;-webkit-print-color-adjust:exact}.sheet-page{padding:0;break-after:page}.sheet-page:last-child{break-after:auto}.sheet-page+.sheet-page{border-top:0}.sheet tr{break-inside:avoid}}