:root {
  --bg: #f6f5f1; --card: #ffffff; --text: #1f1e1c; --muted: #6b6a65; --line: #dcd9d0;
  --accent: #534ab7; --accent-ink: #ffffff; --ok: #3b6d11; --soon: #854f0b; --focus: #185fa5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111114; --card: #1b1b20; --text: #f1efe8; --muted: #a5a39b; --line: #33333a;
    --accent: #8b83e6; --accent-ink: #111114; --ok: #97c459; --soon: #ef9f27; --focus: #85b7eb;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 16px; }
h1 { font-size: 1.6rem; margin: 0; }
h2 { font-size: 1.1rem; margin: 0; }
.top { padding: 20px 0 8px; }
.sub { margin: 4px 0 0; color: var(--muted); }
.small { font-size: .85rem; }
.muted { color: var(--muted); }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink);
  border-radius: 8px; padding: 8px 14px; font-weight: 600; }
button.ghost { background: transparent; color: var(--text); border-color: var(--line); font-weight: 500; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
input, select, textarea { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; min-width: 0; }

.layout { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 24px; align-items: start; padding-bottom: 24px; }
.mat-panel { position: sticky; top: 12px; }
@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .mat-panel { position: static; }
}
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin: 8px 0 10px; }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; border-radius: 0; background: transparent; color: var(--text); font-weight: 500; padding: 6px 12px; }
.seg button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }

.bases { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-bottom: 10px; font-size: .9rem; }
.base-opt { display: inline-flex; gap: 6px; align-items: center; }
.base-opt.soon { color: var(--muted); }
.base-opt em { font-style: normal; font-size: .75rem; border: 1px solid var(--line); border-radius: 99px; padding: 0 6px; }

/* ---- mat preview: every box is positioned in % of the 5400x2700 print ---- */
.mat { position: relative; width: 100%; aspect-ratio: 2 / 1; border-radius: 10px; overflow: hidden;
  box-shadow: 0 1px 2px rgba(0,0,0,.15), 0 8px 24px rgba(0,0,0,.12); user-select: none; }
.mat[data-theme="dark"] { background:
  radial-gradient(circle at 1px 1px, #24242b 1px, transparent 1.5px) 0 0 / 1.111% 2.222%,
  radial-gradient(ellipse at 85% 30%, rgba(18,53,88,.9), transparent 45%),
  radial-gradient(ellipse at 60% 90%, rgba(42,37,96,.8), transparent 40%), #0f0f13; }
.mat[data-theme="light"] { background:
  radial-gradient(circle at 1px 1px, #d6d3ca 1px, transparent 1.5px) 0 0 / 1.111% 2.222%,
  radial-gradient(ellipse at 85% 30%, rgba(207,227,246,.95), transparent 45%),
  radial-gradient(ellipse at 60% 90%, rgba(217,213,247,.9), transparent 40%), #efede7; }
.kbd { position: absolute; opacity: .55; background:
  repeating-linear-gradient(170deg, transparent 0 14%, rgba(120,110,230,.35) 14% 14.6%, transparent 14.6% 20%); }
.cell { position: absolute; border-radius: 7%; }
.cell img { width: 100%; height: 100%; display: block; pointer-events: none; }
.cell.empty { border: 1.5px dashed rgba(150,150,160,.7); display: grid; place-items: center;
  color: rgba(150,150,160,.95); font-size: clamp(10px, 2vw, 22px); cursor: pointer; background: rgba(127,127,127,.06); }
.cell.empty::after { content: "+"; }
.cell.filled { cursor: pointer; }
.cell.locked { cursor: default; }
.cell.sel { outline: 3px solid #ef9f27; outline-offset: 1px; }
.cell.over { outline: 3px solid #5dcaa5; outline-offset: 1px; }
.hint { margin: 8px 0 0; font-size: .85rem; color: var(--muted); }
.sel-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 8px; padding: 8px 10px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--card); font-size: .9rem; }
.sel-bar span { flex: 1 1 100%; }
.sel-bar[hidden] { display: none; }

.code-box { margin-top: 14px; padding: 14px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; }
.code-box label { font-weight: 600; font-size: .9rem; }
.code-row { display: flex; gap: 8px; margin-top: 6px; }
.code-row input { flex: 1; font-family: ui-monospace, Consolas, "Liberation Mono", monospace; font-size: .85rem; }
.steps { margin: 8px 0; padding-left: 20px; }
.small-btn { padding: 4px 10px; font-size: .85rem; }

/* ---- catalog ---- */
.cat-msg { margin: -4px 0 8px; color: var(--soon); font-weight: 600; min-height: 0; }
.cat-msg:empty { display: none; }
.filters { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.filters input { grid-column: 1 / -1; }
.grid { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 8px; display: flex; flex-direction: column; gap: 6px; }
.card img { width: 100%; aspect-ratio: 1; border-radius: 8px; display: block; }
.card .t { font-weight: 600; font-size: .85rem; line-height: 1.25; }
.card .meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0 6px; font-size: .75rem; color: var(--muted); }
.card .meta span { white-space: nowrap; }
.card .badge { font-size: .72rem; font-weight: 600; }
.card .badge.ok { color: var(--ok); }
.card .badge.soon { color: var(--soon); }
.card button { padding: 6px 8px; font-size: .85rem; }
.card[draggable="true"] { cursor: grab; }
.card.soon img { filter: grayscale(1) blur(1.5px); opacity: .55; }
.card.soon button, .card.used button { background: transparent; color: var(--muted); border-color: var(--line); cursor: not-allowed; }
@media (max-width: 420px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.request { margin-top: 18px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.request summary { font-weight: 600; cursor: pointer; }
.request form { display: grid; gap: 10px; margin-top: 10px; }
.request label { display: grid; gap: 4px; font-size: .9rem; }
.request form button { justify-self: start; }
.req-list { padding-left: 18px; font-size: .9rem; }
.foot { padding: 16px; border-top: 1px solid var(--line); }