/* Palette. Light values live on :root, so anything that forgets a dark value
   still renders. The dark block is applied when the browser asks for dark AND
   the user has not forced light; the [data-theme] blocks let the header control
   win in either direction. */
:root {
  --ink: #14151a;
  --ink-2: #5b6070;
  --ink-3: #9095a6;
  --line: #e2e4ec;
  --line-2: #eef0f6;
  --bg: #f6f7fb;
  --card: #ffffff;
  --field: #ffffff;
  --accent: #5b57ae;
  --accent-2: #8a86d6;
  --accent-soft: #dbdaf3;
  --on-accent: #ffffff;
  --ok: #12805c;
  --ok-bg: #f1faf6;
  --ok-line: #c9e8dc;
  --bad: #b3261e;
  --bad-bg: #fff5f5;
  --bad-line: #f3d0cd;
  --toast: #14151a;
  --on-toast: #ffffff;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 21, 26, .05), 0 8px 24px rgba(20, 21, 26, .04);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #e8e9ee;
    --ink-2: #a2a7b8;
    --ink-3: #767c8f;
    --line: #2c2f3a;
    --line-2: #23262f;
    --bg: #101219;
    --card: #171a22;
    --field: #1e222b;
    --accent: #9d99ea;
    --accent-2: #6f6ac4;
    --accent-soft: #2e2b4d;
    --on-accent: #14151a;
    --ok: #4ad3a4;
    --ok-bg: #14251f;
    --ok-line: #1e4437;
    --bad: #ff8b83;
    --bad-bg: #2a1817;
    --bad-line: #4d2724;
    --toast: #e8e9ee;
    --on-toast: #14151a;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3);
  }
}

:root[data-theme="dark"] {
  --ink: #e8e9ee;
  --ink-2: #a2a7b8;
  --ink-3: #767c8f;
  --line: #2c2f3a;
  --line-2: #23262f;
  --bg: #101219;
  --card: #171a22;
  --field: #1e222b;
  --accent: #9d99ea;
  --accent-2: #6f6ac4;
  --accent-soft: #2e2b4d;
  --on-accent: #14151a;
  --ok: #4ad3a4;
  --ok-bg: #14251f;
  --ok-line: #1e4437;
  --bad: #ff8b83;
  --bad-bg: #2a1817;
  --bad-line: #4d2724;
  --toast: #e8e9ee;
  --on-toast: #14151a;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3);
}


* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.45 "Segoe UI", Roboto, system-ui, sans-serif;
}

/* ---------------------------------------------------------------- header */
header {
  display: flex; align-items: center; gap: 24px;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 260px; }
.mark {
  width: 30px; height: 30px; border-radius: 8px; flex: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
h1 { font-size: 15px; margin: 0; letter-spacing: -.01em; }
.brand p { margin: 0; font-size: 12px; color: var(--ink-2); }

nav { display: flex; gap: 4px; margin-right: auto; }
.tab {
  border: 0; background: transparent; color: var(--ink-2);
  padding: 7px 12px; border-radius: 8px; cursor: pointer; font-size: 13px;
}
.tab:hover { background: var(--line-2); color: var(--ink); }
.tab.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }

.theme-pick { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ink-2); }

/* ----------------------------------------------------------------- main */
main { padding: 20px 24px 60px; }
.panel { display: none; }
.panel.active { display: block; }

.split { display: grid; grid-template-columns: minmax(420px, 1fr) minmax(380px, 1fr); gap: 20px; align-items: start; }
@media (max-width: 1100px) { .split { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px; margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.card h2 {
  font-size: 12px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--ink-2); margin: 0 0 12px; display: flex; align-items: center; gap: 10px;
}
.card h2 button { margin-left: auto; }

label { display: block; font-size: 12px; color: var(--ink-2); margin-bottom: 10px; }
label small { color: var(--ink-3); }
label.inline { display: flex; align-items: center; gap: 8px; }
input, select, textarea {
  width: 100%; margin-top: 4px; padding: 7px 9px;
  border: 1px solid var(--line); border-radius: 7px;
  font: inherit; color: var(--ink); background: var(--field);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent-soft); border-color: var(--accent);
}
label.inline input { width: auto; margin: 0; }
textarea { resize: vertical; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 12px; }

button {
  border: 1px solid var(--accent); background: var(--accent); color: var(--on-accent);
  padding: 8px 14px; border-radius: 8px; font: inherit; cursor: pointer;
}
button:hover { filter: brightness(1.06); }
button:disabled { opacity: .45; cursor: not-allowed; filter: none; }
button.ghost { background: var(--card); color: var(--ink-2); border-color: var(--line); }
button.ghost:hover { border-color: var(--ink-2); color: var(--ink); }
button.small { padding: 4px 8px; font-size: 12px; }

/* ---------------------------------------------------------------- items */
.items-head, .item-row {
  display: grid;
  grid-template-columns: 1fr 76px 56px 110px 66px 30px;
  gap: 8px; align-items: center;
}
.items-head { font-size: 11px; color: var(--ink-2); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 6px; }
.item-row { margin-bottom: 8px; }
.item-row input { margin: 0; }
.item-row .del {
  border: 0; background: transparent; color: var(--ink-2);
  font-size: 17px; line-height: 1; padding: 0; cursor: pointer;
}
.item-row .del:hover { color: var(--bad); }

/* --------------------------------------------------------------- totals */
.totals table { width: 100%; border-collapse: collapse; font-size: 13px; }
.totals td { padding: 5px 0; border-bottom: 1px solid var(--line-2); }
.totals td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.totals tr.grand td { font-weight: 700; border-bottom: 0; padding-top: 9px; font-size: 15px; }
.pill {
  display: inline-block; padding: 2px 9px; border-radius: 99px;
  background: var(--accent-soft); color: var(--accent); font-size: 11px; font-weight: 600;
}
.words { color: var(--ink-2); font-size: 12px; margin: 8px 0 0; }

/* -------------------------------------------------------------- preview */
.preview-col { position: sticky; top: 84px; }
.preview-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin-bottom: 8px;
}
.preview-bar div { display: flex; gap: 8px; }
iframe {
  width: 100%; height: calc(100vh - 170px); min-height: 560px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); box-shadow: var(--shadow);
}

/* ----------------------------------------------------------------- bulk */
.bar { height: 8px; background: var(--line-2); border-radius: 99px; overflow: hidden; margin: 6px 0 10px; }
.bar div { height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.stats { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; margin: 10px 0; font-size: 13px; }
.stats dt { color: var(--ink-2); }
.stats dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.notes { margin: 0; padding-left: 18px; color: var(--ink-2); font-size: 13px; }
.notes li { margin-bottom: 6px; }
.problems { max-height: 190px; overflow: auto; margin: 10px 0; padding: 10px; background: var(--bad-bg); border: 1px solid var(--bad-line); border-radius: 8px; }
.problems li { font-size: 12px; color: var(--bad); }
.ok-box { margin: 10px 0; padding: 10px; background: var(--ok-bg); border: 1px solid var(--ok-line); border-radius: 8px; color: var(--ok); font-size: 13px; }

/* --------------------------------------------------------------- themes */
.theme-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.theme-card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 12px;
  cursor: pointer; background: var(--card); text-align: left;
}
.theme-card:hover { border-color: var(--accent); }
.theme-card.active { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.theme-card h3 { margin: 0 0 4px; font-size: 14px; }
.theme-card p { margin: 0; font-size: 12px; color: var(--ink-2); }
.swatches { display: flex; gap: 5px; margin-top: 10px; }
.swatches span { width: 22px; height: 22px; border-radius: 5px; border: 1px solid var(--line); }

/* -------------------------------------------------------------- catalog */
.catalog { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.catalog td { padding: 5px 6px; border-bottom: 1px solid var(--line-2); }
.catalog td:nth-child(n+2) { text-align: right; color: var(--ink-2); font-variant-numeric: tabular-nums; }

.muted { color: var(--ink-2); font-size: 12.5px; }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12px; color: var(--ink-2); }
code { background: var(--line-2); padding: 1px 5px; border-radius: 4px; font-size: 12px; }
a { color: var(--accent); }

#toast {
  position: fixed; right: 20px; bottom: 20px; padding: 10px 14px;
  background: var(--toast); color: var(--on-toast); border-radius: 8px; font-size: 13px;
  opacity: 0; transform: translateY(8px); transition: .2s; pointer-events: none;
}
#toast.show { opacity: 1; transform: none; }
#toast.bad { background: var(--bad); }

/* ------------------------------------------------- multi-seller + dates */
.head-pick { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ink-2); }
.head-pick select { width: auto; min-width: 110px; margin: 0; }

.date-row { display: flex; gap: 6px; align-items: center; }
.date-row input { margin-top: 0; }

.seller-split { grid-template-columns: minmax(320px, 0.85fr) minmax(420px, 1.15fr); }
.seller-row {
  display: flex; align-items: center; gap: 12px; justify-content: space-between;
  padding: 10px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 8px;
}
.seller-row.active { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.seller-row b { font-size: 13px; }
.seller-row p { margin: 2px 0 0; }
.row-actions { display: flex; gap: 6px; align-items: center; flex: none; }

/* --------------------------------------------------------- theme demo */
.theme-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.theme-card img {
  width: 100%; display: block; border: 1px solid var(--line); border-radius: 6px;
  margin-bottom: 10px; background: var(--card);
}

/* ------------------------------------------------------- basket builder */
.basket-options { display: grid; gap: 8px; margin-top: 10px; }
.basket-opt {
  display: flex; flex-direction: column; gap: 3px; text-align: left;
  background: var(--card); color: var(--ink); border: 1px solid var(--line);
  border-radius: 8px; padding: 9px 11px; cursor: pointer;
}
.basket-opt:hover { border-color: var(--accent); }
.basket-opt.active { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.basket-sum { font-weight: 700; font-variant-numeric: tabular-nums; }
.basket-sum em { font-weight: 400; font-style: normal; color: var(--bad); font-size: 12px; }
.basket-lines { font-size: 12px; color: var(--ink-2); }

/* --------------------------------------------------- product list picker */
.picker { max-height: 340px; overflow: auto; border: 1px solid var(--line); border-radius: 8px; padding: 4px; }
.picker.compact { max-height: 150px; }
.pick-row {
  display: grid; grid-template-columns: 18px 1fr 80px 70px 90px;
  gap: 8px; align-items: center; margin: 0; padding: 5px 7px;
  border-radius: 6px; font-size: 12.5px; color: var(--ink);
}
.picker.compact .pick-row { grid-template-columns: 18px 1fr 90px; }
.pick-row:hover { background: var(--line-2); }
.pick-row input[type=checkbox] { width: auto; margin: 0; }
.pk-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pk-sku { color: var(--ink-2); font-size: 11.5px; }
.pk-price { color: var(--ink-2); text-align: right; font-variant-numeric: tabular-nums; }
.pk-override { margin: 0; padding: 3px 6px; font-size: 12px; }
.products-table { margin-top: 12px; }
.products-table tr { cursor: pointer; }
.products-table tr:hover td { background: var(--line-2); }

/* ------------------------------------------------------- blank columns */
h3.sub {
  font-size: 12px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--ink-2); margin: 14px 0 4px;
}
#aBlanks, #uBlanks { margin-bottom: 12px; }

/* ------------------------------------------------------ appearance switch */
.appearance { display: flex; gap: 2px; padding: 2px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--card); }
.appearance button {
  border: 0; background: transparent; color: var(--ink-2); cursor: pointer;
  padding: 4px 8px; border-radius: 6px; font-size: 12px; line-height: 1.1;
}
.appearance button:hover { background: var(--line-2); color: var(--ink); }
.appearance button[aria-pressed="true"] {
  background: var(--accent-soft); color: var(--accent); font-weight: 600;
}
/* the PDF preview keeps a white surround so the page itself stays readable */
iframe, .theme-card img { background: #fff; }
input.invalid { border-color: var(--bad); }

/* ------------------------------------------------- empty preview pane */
.preview-wrap { position: relative; }
.preview-empty {
  display: grid; align-content: center; justify-items: center; gap: 4px;
  height: calc(100vh - 170px); min-height: 560px; text-align: center;
  border: 1px dashed var(--line); border-radius: var(--radius);
  background: var(--card); color: var(--ink-2); padding: 24px;
}
.preview-empty p { margin: 0; }