:root {
  --bg: #fbfaf8; --panel: #fff; --ink: #1a1a1a; --dim: #6b6b6b; --line: #e4e1dc;
  --accent: #b4532a; --accent-ink: #fff; --ok: #2e7d32; --warn: #b26500; --bad: #c62828;
  --code-bg: #f4f2ef;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141312; --panel: #1c1b1a; --ink: #ececea; --dim: #9a9793; --line: #2e2c29;
    --accent: #e07a4a; --accent-ink: #1a1a1a; --ok: #7fc47f; --warn: #e0a04a; --bad: #f08079;
    --code-bg: #232120;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.55 -apple-system, system-ui, "Segoe UI", sans-serif;
  display: grid; grid-template-columns: 208px 1fr; min-height: 100vh;
}
@media (max-width: 720px) { body { grid-template-columns: 1fr; } }

/* ── nav ─────────────────────────────────────────────────────────── */
nav { border-right: 1px solid var(--line); padding: 20px 0; }
nav h1 { font-size: 15px; margin: 0 20px 2px; letter-spacing: -0.01em; }
nav .sub { font-size: 11px; color: var(--dim); margin: 0 20px 18px; }
nav a {
  display: block; padding: 7px 20px; color: var(--ink); text-decoration: none;
  border-left: 2px solid transparent; font-size: 13px;
}
nav a:hover { background: var(--panel); }
nav a.on { border-left-color: var(--accent); font-weight: 600; }
nav .sec { font-size: 10px; text-transform: uppercase; letter-spacing: .07em; color: var(--dim); margin: 18px 20px 5px; }
#health { margin: 18px 20px 0; font-size: 11px; color: var(--dim); }

/* ── main ────────────────────────────────────────────────────────── */
main { padding: 26px 30px 70px; max-width: 940px; }
section { display: none; }
section.on { display: block; }
h2 { font-size: 19px; margin: 0 0 4px; letter-spacing: -0.01em; }
.lede { color: var(--dim); margin: 0 0 22px; max-width: 62ch; }
h3 { font-size: 13px; margin: 22px 0 8px; text-transform: uppercase; letter-spacing: .05em; color: var(--dim); }

/* ── forms ───────────────────────────────────────────────────────── */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px 14px; }
label { display: block; font-size: 12px; color: var(--dim); margin-bottom: 3px; }
input, select, textarea {
  width: 100%; padding: 7px 9px; border: 1px solid var(--line); border-radius: 5px;
  background: var(--panel); color: var(--ink); font: inherit; font-size: 13px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
textarea { min-height: 62px; resize: vertical; }
.hint { font-size: 11px; color: var(--dim); margin-top: 3px; }
.row > select, .row > input { width: auto; min-width: 150px; }
.row { display: flex; gap: 9px; align-items: center; flex-wrap: wrap; margin: 18px 0 0; }

button {
  padding: 8px 15px; border: 1px solid var(--line); border-radius: 5px;
  background: var(--panel); color: var(--ink); font: inherit; font-size: 13px; cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
button:disabled { opacity: .5; cursor: progress; }

/* ── output ──────────────────────────────────────────────────────── */
pre {
  background: var(--code-bg); border: 1px solid var(--line); border-radius: 6px;
  padding: 12px; overflow-x: auto; font: 11.5px/1.5 ui-monospace, Menlo, monospace;
  max-height: 460px; margin: 12px 0 0; white-space: pre-wrap; word-break: break-word;
}
.derived { border: 1px solid var(--line); border-radius: 6px; padding: 14px; background: var(--panel); margin-top: 14px; }
.derived dt { font-size: 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--dim); }
.derived dd { margin: 2px 0 12px; font-size: 13px; }
.derived dd:last-child { margin-bottom: 0; }

table { width: 100%; border-collapse: collapse; font-size: 12.5px; margin-top: 12px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 10px; text-transform: uppercase; letter-spacing: .05em; color: var(--dim); }
td.num { text-align: right; font-variant-numeric: tabular-nums; width: 44px; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--panel); }

.pill { display: inline-block; font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 3px; white-space: nowrap; }
.pill.ok { background: var(--ok); color: #fff; }
.pill.warn { background: var(--warn); color: #fff; }
.pill.bad { background: var(--bad); color: #fff; }
.pill.off { background: var(--dim); color: #fff; }

.note { border-left: 3px solid var(--line); padding: 9px 12px; margin: 14px 0; font-size: 12.5px; color: var(--dim); background: var(--panel); }
.note.warn { border-left-color: var(--warn); }
.msg { margin-top: 12px; font-size: 13px; }
.msg.bad { color: var(--bad); }
.msg.ok { color: var(--ok); }
code { background: var(--code-bg); padding: 1px 4px; border-radius: 3px; font-size: 12px; }
a { color: var(--accent); }

/* A category-only field: the label says which category, not a second word of the name. */
.only {
  font-size: 9.5px; text-transform: uppercase; letter-spacing: .05em;
  border: 1px solid var(--line); border-radius: 3px; padding: 0 4px; margin-left: 3px; color: var(--dim);
}

/* Template results: square cells, because every composite is CANVAS x CANVAS. */
.tpl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin-top: 16px; }
.tpl-grid figure { margin: 0; border: 1px solid var(--line); background: var(--panel); }
.tpl-grid img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; }
.tpl-grid figcaption { padding: 7px 9px; font-size: 11.5px; display: flex; justify-content: space-between; gap: 8px; }
.tpl-grid figcaption code { background: none; padding: 0; color: var(--dim); }
.tpl-grid figure a { display: block; }
.tpl-grid .dl { font-size: 11px; text-decoration: none; white-space: nowrap; }
.tpl-grid .dl:hover { text-decoration: underline; }

/* Full-size viewer. Fit by default; .fit removed shows 1:1 and scrolls. */
#zoom {
  position: fixed; inset: 0; z-index: 50; background: rgba(12, 14, 16, .92);
  overflow: auto; padding: 44px 16px 16px; text-align: center; cursor: zoom-out;
}
#zoom-label {
  position: fixed; top: 0; left: 0; right: 0; padding: 9px 14px;
  background: rgba(12, 14, 16, .96); color: #d8dade; font-size: 12px; text-align: left;
}
#zoom-img { cursor: zoom-in; background: #fff; }
#zoom-img.fit { max-width: 100%; max-height: calc(100vh - 68px); cursor: zoom-in; }
.tpl-grid img { cursor: zoom-in; }

/* PDF images: a checkerboard so transparent cutouts read as transparent, and no crop. */
#pi-out .pi-page { margin-top: 22px; }
/* Page render in the left corner, sticky so it stays beside a long run of items. */
#pi-out .pi-row { display: grid; grid-template-columns: minmax(220px, 340px) 1fr; gap: 16px; align-items: start; }
#pi-out .pi-row > .tpl-grid, #pi-out .pi-row > .hint { margin-top: 16px; }
#pi-out .pi-src { position: sticky; top: 12px; margin-top: 16px; border: 1px solid var(--line); line-height: 0; }
#pi-out .pi-src img { display: block; width: 100%; background: none; cursor: zoom-in; }
#pi-out .pi-src i { position: absolute; outline: 2px solid #2bb673; outline-offset: -1px; pointer-events: none; }
#pi-out .pi-src i.bx-decor { outline: 1px dashed #999; }
#pi-out .pi-src i.lit { outline: 3px solid #ff8a00; background: #ff8a0033; }
#pi-out figure.lit { outline: 3px solid #ff8a00; }
@media (max-width: 800px) { #pi-out .pi-row { grid-template-columns: 1fr; } #pi-out .pi-src { position: relative; top: 0; } }
/* Fixed tiles: auto-fill keeps empty tracks, so 2 images on a page do not stretch to half the screen. */
#pi-out .tpl-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
#pi-out h3 { margin: 0 0 -6px; font-size: 14px; }
#pi-out img { object-fit: contain; background: repeating-conic-gradient(#8882 0 25%, transparent 0 50%) 0 0 / 16px 16px; }

/* add-product: editable tables and photo strips */
.scroll { overflow-x: auto; }
table.edit td { padding: 4px 4px; }
table.edit input { min-width: 90px; }
.colour { border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; margin-top: 10px; background: var(--panel); }
.colour .head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.colour .head input[type=text] { width: auto; flex: 1 1 180px; }
.thumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.thumbs figure { margin: 0; width: 92px; font-size: 10px; color: var(--dim); }
.thumbs img { width: 92px; height: 92px; object-fit: cover; display: block; border: 1px solid var(--line); cursor: zoom-in; }
.thumbs figure.up img { opacity: .4; }
.thumbs figure.err figcaption { color: var(--bad); }
.thumbs button { font-size: 10px; padding: 1px 5px; margin-top: 2px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips label { display: inline-flex; align-items: center; gap: 5px; margin: 0; padding: 4px 9px; border: 1px solid var(--line); border-radius: 14px; font-size: 12px; color: inherit; cursor: pointer; background: var(--panel); }
.chips label:has(input:checked) { border-color: var(--accent); background: var(--accent); color: var(--accent-ink); }
.chips input { width: auto; margin: 0; display: none; }

/* add-product wizard */
.steps { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0 0 18px; counter-reset: step; }
.steps li { counter-increment: step; display: flex; align-items: center; gap: 6px; padding: 5px 11px 5px 6px; border: 1px solid var(--line); border-radius: 16px; font-size: 12px; cursor: pointer; background: var(--panel); color: var(--dim); }
.steps li::before { content: counter(step); display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--line); color: inherit; font-size: 10px; font-weight: 700; }
.steps li.done { color: inherit; }
.steps li.done::before { content: "✓"; background: var(--ok); color: #fff; }
.steps li.on { border-color: var(--accent); color: inherit; font-weight: 600; }
.steps li.on::before { background: var(--accent); color: var(--accent-ink); }
#create .step { display: none; }
#create .step.on { display: block; }
.wizard-nav { border-top: 1px solid var(--line); padding-top: 14px; margin-top: 22px; }
.chips.pick button, #c-feature-picks button { padding: 4px 10px; border-radius: 14px; font-size: 12px; background: var(--panel); }
.chips.pick button.on, #c-feature-picks button.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
input.other { margin-top: 6px; max-width: 260px; }
.similar { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.similar button { display: flex; align-items: center; gap: 8px; max-width: 300px; text-align: left; font-size: 12px; padding: 5px 9px 5px 5px; }
.similar img { width: 34px; height: 34px; object-fit: cover; border-radius: 3px; flex: none; }
.similar button span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }