@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

*, *::before, *::after { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  overflow-x: hidden;
  background: var(--color-bg);
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 24px 24px;
  background-attachment: fixed;
  color: var(--color-text);
  font-family: 'IBM Plex Mono', monospace;
}

/* ── Toolbar ── */
.sku-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--color-primary);
  border-bottom: 2px solid var(--color-border);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

.sku-back-btn {
  font-size: 12px;
  color: #fff;
  text-decoration: none;
  padding: 4px 8px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.2);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  font-family: 'IBM Plex Mono', monospace;
}
.sku-back-btn:hover { background: rgba(255,255,255,.35); }
.sku-back-btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }

.sku-toolbar h1 {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 18px;
  margin: 0;
  color: #fff;
  flex: 1;
}

.sku-theme-btn,
.sku-toolbar-btn {
  padding: 4px 8px;
  border: none;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.22);
  color: #fff;
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  font-family: 'IBM Plex Mono', monospace;
}
.sku-theme-btn:hover,
.sku-toolbar-btn:hover { background: rgba(255,255,255,.38); }
.sku-theme-btn:focus-visible,
.sku-toolbar-btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }

/* Cloud account button label in toolbar */
.sku-toolbar .cloud-user-email {
  max-width: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-block;
  vertical-align: middle;
  font-size: 11px;
}
.sku-toolbar .cloud-status { font-size: 10px; }

/* ── Page body ── */
.sku-wrap {
  max-width: 500px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}

/* ── Stat row ── */
.sku-stat {
  font-size: 11px;
  color: var(--color-text-secondary);
  margin-bottom: 14px;
  font-family: 'Oswald', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.sku-stat b {
  color: var(--color-primary);
  font-size: 20px;
  margin-right: 4px;
}

/* ── Search ── */
.sku-search-slot {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  overflow: hidden;
}
.sku-search-slot::before {
  content: '';
  width: 3px;
  align-self: stretch;
  background: var(--color-primary);
  flex-shrink: 0;
}
.sku-search-slot svg {
  width: 15px;
  height: 15px;
  margin: 0 8px 0 10px;
  flex-shrink: 0;
  stroke: var(--color-text-secondary);
}
.sku-search-slot input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  padding: 11px 10px 11px 0;
}
.sku-search-slot input::placeholder { color: var(--color-text-muted); }

/* ── Search + Add row ── */
.sku-search-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
}
.sku-search-row .sku-search-slot {
  flex: 1;
  margin-bottom: 0;
}
.sku-search-row .sku-btn {
  flex: none;
  margin-bottom: 0;
  white-space: nowrap;
}

/* ── Buttons ── */

button.sku-btn {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 12px;
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: 9px 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex: 1;
  transition: border-color .12s, color .12s, background .12s;
}
button.sku-btn svg { width: 14px; height: 14px; flex-shrink: 0; }
button.sku-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
button.sku-btn.primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  font-size: 13px;
  padding: 10px;
  margin-bottom: 8px;
}
button.sku-btn.primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }
button.sku-btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 1px; }

#sku-file-input { display: none; }

/* ── Cards ── */
#sku-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Category groups ── */
.sku-group.hidden { display: none; }

.sku-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  padding: 4px 2px 7px;
  margin-bottom: 10px;
  font-family: 'Oswald', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
}
.sku-group-header:hover { color: var(--color-primary); }
.sku-group-header:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

.sku-group-chevron {
  width: 0;
  height: 0;
  flex-shrink: 0;
  border-left: 5px solid currentColor;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  transform: rotate(90deg); /* points down when the group is open */
  transition: transform .15s;
}
.sku-group.collapsed .sku-group-chevron { transform: rotate(0deg); }

.sku-group-name {
  flex: 1;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
}
.sku-group-count {
  flex-shrink: 0;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1px 8px;
  min-width: 22px;
  text-align: center;
}

.sku-group-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sku-group.collapsed .sku-group-body { display: none; }

/* While searching/filtering, force groups open so matches are visible. */
#sku-list.sku-filtering .sku-group-body { display: flex; }
#sku-list.sku-filtering .sku-group-chevron { transform: rotate(90deg); }

.sku-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 12px 10px;
  box-shadow: var(--shadow-1);
  transition: box-shadow .15s;
}
.sku-card:hover { box-shadow: var(--shadow-2); }
.sku-card.hidden { display: none; }

.sku-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.sku-field { flex: 1; min-width: 0; }

.sku-field-label {
  font-family: 'Oswald', sans-serif;
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin: 8px 0 2px;
}
.sku-field-label:first-child { margin-top: 0; }

.sku-cell {
  outline: none;
  min-height: 1.3em;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.4;
  cursor: text;
  word-break: break-word;
}
.sku-cell:empty::before {
  content: attr(data-placeholder);
  color: var(--color-text-muted);
  font-style: italic;
}
.sku-cell:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--color-primary); border-radius: 2px; }

.sku-name-cell {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.sku-two-col {
  display: flex;
  gap: 14px;
  margin-top: 4px;
}
.sku-two-col .sku-field { flex: 1; min-width: 0; }

/* SKU value pill */
.sku-value-field .sku-cell {
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  display: inline-block;
  padding: 3px 8px;
  background: var(--color-primary-light);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-family: 'IBM Plex Mono', monospace;
}
.sku-value-field.invalid .sku-cell {
  color: var(--color-danger);
  background: var(--color-danger-light);
  border-color: var(--color-danger);
}

/* Barcode area */
.sku-barcode-area {
  margin-top: 10px;
  overflow-x: auto;
}
.sku-barcode-area .barcode-inline { margin: 0; }
.sku-barcode-area .barcode-inline-num { display: none; }
.sku-barcode-area svg { height: 42px; width: auto; }
.sku-barcode-area:empty { display: none; }

/* Delete button */
.sku-del-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 4px;
  margin: -2px -4px 0 0;
  display: inline-flex;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: color .12s, background .12s;
}
.sku-del-btn:hover { color: var(--color-danger); background: var(--color-danger-light); }
.sku-del-btn svg { width: 16px; height: 16px; }
.sku-del-btn:focus-visible { outline: 2px solid var(--color-danger); outline-offset: 1px; }

/* Empty state */
.sku-empty {
  padding: 40px 16px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 13px;
  background: var(--color-surface);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  display: none;
}
.sku-empty b {
  color: var(--color-text);
  display: block;
  font-family: 'Oswald', sans-serif;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

/* Footer hint */
.sku-footer {
  margin-top: 20px;
  font-size: 10px;
  line-height: 1.7;
  color: var(--color-text-muted);
}
.sku-footer b { color: var(--color-primary); }

/* ── Inline SKU label ── */
.sku-sku-label {
  font-family: 'Oswald', sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

/* ── SKU + barcode flex row ── */
.sku-sku-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.sku-sku-row .sku-value-field { flex-shrink: 0; }
.sku-sku-row .sku-barcode-area {
  margin-top: 0;
  flex: 1;
  min-width: 0;
  height: 42px;         /* reserve a constant height so cards match even when */
  display: flex;        /* a wide barcode has to shrink to fit on mobile */
  align-items: center;
  overflow: hidden;
}
.sku-sku-row .sku-barcode-area svg {
  height: 42px;      /* fixed height keeps every card the same height... */
  width: auto;       /* ...regardless of how many bars the SKU produces */
  max-width: 100%;   /* shrink instead of overflow on narrow screens */
  display: block;
}

/* ── Category filter ── */
.sku-filter-row {
  margin-bottom: 10px;
}
.sku-cat-filter {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  padding: 8px 10px;
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 20 20' fill='%23888'%3E%3Cpath fill-rule='evenodd' d='M10 3a1 1 0 011 1v9.586l3.293-3.293a1 1 0 011.414 1.414l-5 5a1 1 0 01-1.414 0l-5-5a1 1 0 011.414-1.414L9 13.586V4a1 1 0 011-1z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}
.sku-cat-filter:focus { border-color: var(--color-primary); box-shadow: 0 0 0 2px var(--color-primary-light); }

/* ── Pack size + OCB (in top row) ── */
.sku-extras-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* ── Pack size ── */
.sku-pack-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}
.sku-pack-label { display: none; }
.sku-pack-cell {
  display: inline-block;
  padding: 2px 4px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  min-width: 1em;
}
.sku-pack-cell:focus {
  outline: none;
  background: var(--color-surface);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}
.sku-pack-add {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-text-muted);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  cursor: pointer;
  letter-spacing: 0.02em;
  opacity: 0;
  transition: opacity .15s;
}
.sku-card:hover .sku-pack-add,
.sku-card:focus-within .sku-pack-add { opacity: 1; }
.sku-pack-add:hover { color: var(--color-primary); }

/* ── OCB flag ── */
.sku-ocb-wrap { }
.sku-ocb-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  font-family: 'Oswald', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  user-select: none;
  opacity: 0;
  transition: opacity .15s;
}
.sku-ocb-wrap.sku-ocb-on .sku-ocb-label { opacity: 1; color: var(--color-primary); }
.sku-card:hover .sku-ocb-label,
.sku-card:focus-within .sku-ocb-label { opacity: 1; }
.sku-ocb-cb {
  appearance: none;
  -webkit-appearance: none;
  width: 13px;
  height: 13px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: 3px;
  flex-shrink: 0;
  position: relative;
  cursor: pointer;
  transition: background .12s, border-color .12s;
}
.sku-ocb-cb:checked { background: var(--color-primary); border-color: var(--color-primary); }
.sku-ocb-cb:checked::after {
  content: '';
  position: absolute;
  left: 2px;
  top: -1px;
  width: 5px;
  height: 8px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}
.sku-ocb-cb:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--color-primary-light); }

/* Checked at rest: show "OCB" text only, hide the checkbox */
.sku-ocb-wrap.sku-ocb-on .sku-ocb-cb { display: none; }
/* Reveal the checkbox on hover/focus so it can be unchecked */
.sku-card:hover .sku-ocb-wrap.sku-ocb-on .sku-ocb-cb,
.sku-card:focus-within .sku-ocb-wrap.sku-ocb-on .sku-ocb-cb { display: inline-block; }

/* ── Condensed view ── */
#sku-list.condensed .sku-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  cursor: pointer;
}
#sku-list.condensed .sku-two-col,
#sku-list.condensed .sku-field-label,
#sku-list.condensed .sku-barcode-area,
#sku-list.condensed .sku-sku-label { display: none; }
#sku-list.condensed .sku-card-top {
  flex: 1;
  min-width: 0;
  margin-bottom: 0;
}
#sku-list.condensed .sku-name-cell {
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
#sku-list.condensed .sku-sku-row {
  flex-shrink: 0;
  margin-top: 0;
}

/* Expanded card in condensed mode */
#sku-list.condensed .sku-card.expanded {
  display: block;
  padding: 12px 12px 10px;
  border-color: var(--color-primary);
  cursor: default;
}
#sku-list.condensed .sku-card.expanded .sku-two-col { display: flex; }
#sku-list.condensed .sku-card.expanded .sku-field-label { display: block; }
#sku-list.condensed .sku-card.expanded .sku-barcode-area { display: block; }
#sku-list.condensed .sku-card.expanded .sku-sku-label { display: inline; }
#sku-list.condensed .sku-card.expanded .sku-card-top { margin-bottom: 4px; }
#sku-list.condensed .sku-card.expanded .sku-sku-row { flex-shrink: unset; }
#sku-list.condensed .sku-card.expanded .sku-name-cell {
  font-size: 17px;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
}

/* ── Mobile toolbar ── */
@media (max-width: 560px) {
  .sku-btn-label { display: none; }
  .sku-toolbar h1 { display: none; }
  .sku-toolbar { gap: 4px; padding: 4px 8px; }
}