.app { --sheet-fill: #fdf6ec; --sheet-edge: #b45309; --kerf-mark: #ef4444; --diagram-ink: #16141f; --diagram-ink-soft: #6e6b7b; --font-body: Inter, system-ui, sans-serif;
  --part-fill-1: #fed7aa; --part-fill-2: #bfdbfe; --part-fill-3: #bbf7d0; --part-fill-4: #fbcfe8; --part-fill-5: #ddd6fe; --part-fill-6: #fef08a; }
.unit-row { gap: 14px; padding: 4px 0 8px; }
.rows { display: grid; gap: 10px; }
.r { display: grid; gap: 10px; align-items: end; padding: 14px; border-radius: var(--r-lg); background: var(--paper); }
.r.stock { grid-template-columns: 1.4fr 1fr 1fr 1fr .8fr .8fr auto; }
.r.part { grid-template-columns: 1.4fr 1fr 1fr .7fr 1fr auto auto; }
.r .field > span { font-size: 12.5px; font-weight: 600; color: var(--muted); }
.r .field input, .r .field select { min-height: 44px !important; padding: 10px 12px !important; }
.r input[aria-invalid] { border-color: var(--bad) !important; box-shadow: 0 0 0 3px #ffe4e6 !important; }
.r .acts { display: flex; gap: 2px; padding-bottom: 2px; }
.grain { display: flex; flex-direction: column; gap: 6px; align-items: center; }
.grain > span { font-size: 12.5px; font-weight: 600; color: var(--muted); }
.toggle { position: relative; width: 48px; height: 28px; margin-bottom: 8px; }
.toggle input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; z-index: 1; }
.toggle i { position: absolute; inset: 0; border-radius: 999px; background: var(--line-2); transition: background .2s; }
.toggle i::after { content: ""; position: absolute; left: 3px; top: 3px; width: 22px; height: 22px; border-radius: 50%; background: #fff; box-shadow: var(--shadow-1); transition: transform .2s var(--ease); }
.toggle input:checked + i { background: var(--c2); }
.toggle input:checked + i::after { transform: translateX(20px); }
.toggle input:focus-visible + i { outline: 3px solid color-mix(in srgb, var(--c2) 55%, white); outline-offset: 2px; }
.add-row { margin-top: 12px; gap: 10px; }
.field.inline select { min-height: 38px; padding: 6px 36px 6px 12px; font-size: 14px; border-radius: 999px; }
.kerf-box { display: grid; grid-template-columns: 200px 1fr; gap: 6px 14px; margin-top: 22px; max-width: 640px; }
.kerf-box small { grid-column: 1 / -1; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin: 20px 0 14px; }
.stats .stat b { font-size: 32px; }
.results.fresh .stats .stat { animation: rise .5s var(--ease) both; }
.results.fresh .stats .stat:nth-child(2) { animation-delay: .05s; } .results.fresh .stats .stat:nth-child(3) { animation-delay: .1s; } .results.fresh .stats .stat:nth-child(4) { animation-delay: .15s; }
.result-warn { margin: 8px 0; } .result-error { margin: 8px 0; }
.sheet-block { margin-top: 22px; padding: 20px; border: 1px solid var(--line); border-radius: var(--r-xl); background: #fff; }
.sheet-block h3 { font-size: 20px; }
.sheet-sub { color: var(--muted); font-size: 14px; margin: 4px 0 14px; }
.diagram-scroll { overflow-x: auto; padding-bottom: 6px; }
.diagram-scroll svg { max-width: 100%; height: auto; }
.sheet-meta { display: grid; grid-template-columns: 1fr 1.3fr; gap: 20px; margin-top: 14px; }
.legend-chip { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 8px; vertical-align: -1px; border: 1px solid rgba(0,0,0,.15); }
.cutlist summary { cursor: pointer; font-weight: 650; padding: 4px 0 8px; }
.cutlist ol { margin: 0; padding-left: 22px; font-size: 14.5px; color: var(--ink-2); }
.cutlist li { padding: 3px 0; }
.offcut-note { margin-top: 12px; font-size: 14px; color: var(--muted); }
.projects { margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--line); }
.proj-list { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 8px; }
.proj-list li { display: flex; align-items: center; gap: 10px; padding: 10px 10px 10px 16px; border-radius: var(--r); background: var(--paper); }
.proj-list .pn { flex: 1; font-weight: 600; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.proj-list .pm { color: var(--muted); font-size: 13px; }
@media (max-width: 900px) {
  .r.stock { grid-template-columns: 1fr 1fr 1fr; }
  .r.stock .f-label { grid-column: 1 / -1; }
  .r.part { grid-template-columns: 1fr 1fr 1fr; }
  .r.part .f-label { grid-column: 1 / -1; }
  .sheet-meta { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .r.stock, .r.part { grid-template-columns: 1fr 1fr; }
  .r { position: relative; }
  .r .acts { position: absolute; top: 6px; right: 6px; padding: 0; }
  .r.stock .f-label { padding-right: 44px; }
  .r.part .f-label { padding-right: 86px; }
  .grain { flex-direction: row; justify-content: space-between; align-items: center; }
  .toggle { margin: 0; }
  .kerf-box { grid-template-columns: 1fr; }
  .sheet-block { padding: 14px; }
}
@media print {
  body > *:not(main), main > *:not(.app), .app > *:not(.step), .app > .step:not(:last-of-type), .no-print, .step-n { display: none !important; }
  .step { display: block; border: 0; padding: 0; }
  .sheet-block { break-inside: avoid; border: 1px solid #999; }
  .cutlist[open] summary ~ * { display: block; }
}