/* Tech Pack Maker — phone-first stylesheet. Single column under 760px, rail+content above.
   No external fonts, no CDN: the app must work offline and deploy as plain static files. */
:root {
  --ink: #14161a;
  --muted: #6b7280;
  --line: #d8dbe0;
  --bg: #f4f5f7;
  --card: #ffffff;
  --accent: #b45309;
  --bad: #b91c1c;
  --warn: #b45309;
  --ok: #15803d;
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink); background: var(--bg);
  -webkit-text-size-adjust: 100%;
}
.skiplink { position: absolute; left: -9999px; }
.skiplink:focus { left: 8px; top: 8px; background: #fff; padding: 8px; z-index: 99; }

/* ---------- shell ---------- */
#app { max-width: 1180px; margin: 0 auto; padding: 0 12px 84px; }
.top { position: sticky; top: 0; z-index: 20; background: var(--bg); padding: 10px 0 6px; border-bottom: 1px solid var(--line); }
.brandline { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.brandline b { font-size: 17px; }
.brandline .muted { color: var(--muted); font-size: 13px; }
.dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; border: 1px solid #0002; }
.status { margin-left: auto; font-size: 12px; color: var(--muted); background: var(--card); border: 1px solid var(--line); padding: 2px 8px; border-radius: 999px; }
.nav { display: flex; gap: 6px; overflow-x: auto; padding: 8px 0 2px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.navbtn {
  flex: 0 0 auto; min-height: 44px; padding: 0 14px; border: 1px solid var(--line); background: var(--card);
  border-radius: 999px; font-size: 14px; color: var(--ink); cursor: pointer;
}
.navbtn.on { background: var(--ink); color: #fff; border-color: var(--ink); }
main { display: block; }
.foot { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 12px; padding: 14px 2px; }

/* ---------- cards ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin: 12px 0; }
.card h2 { margin: 0 0 6px; font-size: 18px; }
.card h3 { margin: 18px 0 8px; font-size: 14px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.card h4 { margin: 14px 0 6px; font-size: 13px; color: var(--muted); }
.lede { color: #374151; margin: 0 0 12px; font-size: 14px; max-width: 78ch; }
.hint { color: var(--muted); font-size: 12px; margin: 4px 0 0; }
.muted { color: var(--muted); }
.empty { color: var(--muted); padding: 12px; text-align: center; }
.req { color: var(--bad); }

/* ---------- buttons ---------- */
.btn {
  min-height: 44px; padding: 0 16px; border: 1px solid var(--line); background: var(--card); color: var(--ink);
  border-radius: 10px; font-size: 14px; cursor: pointer;
}
.btn.sm { min-height: 36px; padding: 0 10px; font-size: 13px; }
.btn.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn.ghost { background: transparent; border-style: dashed; }
.btnrow { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 4px; }
.del {
  min-width: 36px; min-height: 36px; border: 1px solid var(--line); background: #fff; color: var(--bad);
  border-radius: 8px; font-size: 16px; cursor: pointer;
}
.del.wide { width: 100%; min-height: 40px; margin-top: 8px; }

/* ---------- forms ---------- */
.grid2 { display: grid; grid-template-columns: 1fr; gap: 10px; }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.field > span { color: #374151; font-weight: 600; }
.field input, .field select, .field textarea, .edt input, .edt select, textarea, input, select {
  font: inherit; font-size: 14px; padding: 9px 10px; min-height: 44px; border: 1px solid var(--line);
  border-radius: 8px; background: #fff; color: var(--ink); width: 100%;
}
textarea { min-height: auto; }
input[type=color] { padding: 2px; height: 44px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { min-height: 44px; padding: 0 14px; border: 1px solid var(--line); background: #fff; border-radius: 999px; cursor: pointer; font-size: 13px; }
.chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.inline { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; margin-left: 8px; }
.inline input { width: auto; min-height: 0; }

/* ---------- tables ---------- */
.tblwrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
table.edt { border-collapse: collapse; width: 100%; font-size: 13px; }
table.edt th { background: #f7f8f9; text-align: left; padding: 8px; border-bottom: 1px solid var(--line); white-space: nowrap; font-size: 12px; }
table.edt td { padding: 4px 6px; border-bottom: 1px solid #eef0f2; vertical-align: top; }
table.edt td input, table.edt td select { min-height: 38px; padding: 6px 8px; font-size: 13px; }
table.edt td.act { white-space: nowrap; }

/* ---------- gate ---------- */
.gate { padding: 10px 12px; border-radius: 10px; font-size: 13px; margin: 8px 0; }
.gate.bad { background: #fef2f2; border: 1px solid var(--bad); color: #7f1d1d; }
.gate.ok { background: #f0fdf4; border: 1px solid var(--ok); color: #14532d; }
.issues { list-style: none; padding: 0; margin: 8px 0; font-size: 13px; }
.issues li { padding: 6px 10px; border-radius: 8px; margin-bottom: 4px; cursor: pointer; }
.issues.bad li { background: #fef2f2; border: 1px solid #f5c2c2; color: #7f1d1d; }
.issues.warn li { background: #fffbeb; border: 1px solid #f3d9a4; color: #7c4a03; }

/* ---------- blanks ---------- */
.blankgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.blank { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 10px; background: #fff;
  border: 1px solid var(--line); border-radius: 10px; cursor: pointer; min-height: 150px; font-size: 13px; }
.blank:hover { border-color: var(--ink); }
.thumb { width: 100%; height: 110px; }

/* ---------- POM cards ---------- */
.pomlist { display: grid; gap: 10px; }
.pomcard { border: 1px solid var(--line); border-radius: 10px; padding: 10px; background: #fff; }
.pomcard.toset { background: #fffaf0; border-color: #f0d9a8; }
.pomhead { display: flex; gap: 6px; align-items: center; margin-bottom: 8px; }
.pomhead .code { max-width: 64px; text-align: center; font-weight: 700; }
.pomhead .desc { flex: 1; }
.tag { font-size: 11px; padding: 2px 7px; border-radius: 999px; background: #eef0f2; color: #374151; white-space: nowrap; }
.tag.S { background: #e8f5ec; color: #14532d; }
.tag.I { background: #fff3e0; color: #9a3412; }
.pomrow { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sizes { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.sz { display: flex; flex-direction: column; gap: 2px; font-size: 11px; color: var(--muted); width: 74px; }
.sz input { min-height: 40px; padding: 6px; font-size: 13px; }
.sz.base span { color: var(--ink); font-weight: 700; }
.sz.base input { border-color: var(--ink); }

/* ---------- tabs ---------- */
.tabs { display: flex; gap: 6px; overflow-x: auto; padding: 4px 0; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab { flex: 0 0 auto; min-height: 40px; padding: 0 12px; border: 1px solid var(--line); background: #fff; border-radius: 8px; cursor: pointer; font-size: 13px; }
.tab.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.subcard { border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin: 10px 0; background: #fff; }
.subhead { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.swatch { width: 22px; height: 22px; border-radius: 6px; border: 1px solid #0003; display: inline-block; }
.artbar { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-bottom: 8px; }

/* ---------- artwork canvas ---------- */
.artwrap { display: grid; grid-template-columns: 1fr; gap: 12px; }
.artcanvas { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 6px; }
.artcanvas svg { width: 100%; height: auto; max-height: 62vh; touch-action: none; display: block; }
.artpanel { min-width: 0; }

/* ---------- preview ---------- */
.pvhead { display: flex; align-items: center; gap: 10px; font-size: 14px; margin-bottom: 8px; flex-wrap: wrap; }
.pvnav { margin-left: auto; display: flex; gap: 6px; }
.pvthumbs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 8px; scrollbar-width: none; }
.pvthumbs::-webkit-scrollbar { display: none; }
.th { flex: 0 0 auto; min-height: 38px; padding: 0 10px; font-size: 12px; border: 1px solid var(--line); background: #fff; border-radius: 8px; cursor: pointer; }
.th.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.pvpage { background: #e9ebee; border-radius: 10px; padding: 10px; overflow: auto; }
.pvsvg { width: 100%; height: auto; max-width: 820px; margin: 0 auto; display: block; background: #fff; box-shadow: 0 2px 14px #0002; }
.pagelist { font-size: 13px; line-height: 1.7; }

/* ---------- desktop ---------- */
@media (min-width: 760px) {
  #app { padding: 0 20px 40px; }
  .grid2 { grid-template-columns: 1fr 1fr; }
  .field.wide { grid-column: 1 / -1; }
  .pomrow { grid-template-columns: repeat(4, 1fr); }
  .artwrap { grid-template-columns: 1.35fr 1fr; }
  .blankgrid { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
}
@media (min-width: 1100px) {
  .grid2 { grid-template-columns: repeat(3, 1fr); }
  .field.wide { grid-column: 1 / -1; }
}
@media print {
  .top, .foot, .pvthumbs, .pvhead, .nav { display: none; }
  .card { border: 0; padding: 0; }
  .pvpage { padding: 0; background: #fff; }
}