:root {
  --bg: #f4f1ec;
  --paper: #fffcf8;
  --ink: #1c1a17;
  --muted: #6f6a63;
  --line: #e4ddd3;
  --gold: #b08a4f;
  --gold-soft: #efe4d0;
  --danger: #9a3b2f;
  --ok: #2f6b4f;
  --shadow: 0 18px 40px rgba(40, 32, 20, 0.08);
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
}
button, input, select { font: inherit; }
.top {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 22px;
  background: #161513;
  color: #f7f1e8;
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand { font-weight: 700; letter-spacing: 0.08em; }
.brand span { color: var(--gold); font-weight: 500; margin-left: 8px; letter-spacing: 0; }
.search {
  flex: 1;
  max-width: 520px;
  background: #2a2724;
  border: 1px solid #3d3934;
  color: #fff;
  border-radius: 999px;
  padding: 10px 16px;
}
.top-actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.btn {
  border: 0;
  background: var(--gold);
  color: #161513;
  padding: 9px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}
.btn.ghost {
  background: transparent;
  color: #f7f1e8;
  border: 1px solid #4a4540;
}
.btn.light {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
}
.layout { display: grid; grid-template-columns: 250px 1fr; min-height: calc(100vh - 64px); }
.side {
  padding: 18px;
  border-right: 1px solid var(--line);
  background: #faf7f2;
  overflow: visible;
}
.side h3 { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.12em; margin: 16px 0 8px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }
.chip, select.filter {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
}
.chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.kind-series {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 14px;
  padding: 10px 12px;
  background: #f4efe6;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.kind-series-label {
  font-size: 12px;
  color: var(--muted);
  margin-right: 6px;
}
.kind-series .chip { font-size: 12px; }
.filter { width: 100%; border-radius: 8px; padding: 8px; }
.stats { font-size: 12px; color: var(--muted); line-height: 1.6; }
.main { padding: 18px 22px 40px; }
.toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.muted { color: var(--muted); }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  cursor: pointer;
  position: relative;
}
.card img, .ph {
  width: 100%;
  height: 160px;
  object-fit: contain;
  background: #eeeae3;
}
.card img { cursor: zoom-in; }
.ph { display: flex; align-items: center; justify-content: center; color: #aaa; font-size: 13px; }
.card .body { padding: 10px 12px 12px; }
.sku { font-weight: 700; font-size: 13px; }
.kind-tag { font-size: 11px; color: var(--gold); line-height: 1.35; }
.card-meta { font-size: 11px; color: var(--muted); margin-top: 2px; }
.name { font-size: 13px; color: var(--muted); height: 36px; overflow: hidden; margin: 4px 0 8px; }
.price { font-size: 13px; }
.price b { font-size: 15px; }
.tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--gold-soft);
  margin-right: 4px;
}
.tag.danger { background: #f3d6d1; color: var(--danger); }
.tag.warn { background: #eee2c4; }
.check {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 18px;
  height: 18px;
  z-index: 2;
}
.pager { display: flex; gap: 8px; justify-content: center; margin-top: 18px; }
.modal, .drawer {
  position: fixed;
  inset: 0;
  background: rgba(20,16,12,0.45);
  display: none;
  z-index: 40;
  pointer-events: none;
}
.modal.on, .drawer.on { display: block; pointer-events: auto; }
.panel {
  background: var(--paper);
  width: min(760px, 92vw);
  margin: 6vh auto;
  border-radius: 16px;
  padding: 20px;
  max-height: 86vh;
  overflow: auto;
}
.drawer .sheet {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  width: min(560px, 100%);
  background: var(--paper);
  overflow: auto;
  padding: 20px 22px 40px;
}
.cart-sheet { width: min(420px, 100%); }
.drawer .sheet.scheme-sheet { width: min(1100px, 100%); }
.drawer .sheet.scheme-sheet-wide {
  width: 100%;
  max-width: none;
  left: 0;
  right: 0;
  padding: 14px 18px 28px;
}
.scheme-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.scheme-table th, .scheme-table td {
  border-bottom: 1px solid var(--line);
  padding: 8px 6px;
  vertical-align: middle;
  text-align: left;
}
.scheme-table img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  background: #eeeae3;
  border-radius: 8px;
  cursor: zoom-in;
}
.grid.schemes {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.scheme-card .scheme-rows {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}
.scheme-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
}
.scheme-card .scheme-row img,
.scheme-card .scheme-row .ph {
  width: 110px;
  height: 110px;
  object-fit: contain;
  background: #eeeae3;
  border-radius: 10px;
}
.scheme-row-name {
  font-size: 13px;
  color: var(--muted);
  margin: 4px 0 2px;
  line-height: 1.4;
}
.scheme-color-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  align-items: start;
  padding: 8px 0 12px;
}
.scheme-color-block {
  min-width: 0;
  margin-top: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 8px 0 6px;
}
.scheme-color-block h3 {
  margin: 0 10px 4px;
  font-size: 13px;
}
.scheme-color-block .scheme-total {
  margin: 0 10px 6px;
  font-size: 11px;
}
.scheme-color-block .scheme-total b { font-size: 12px; }
.scheme-color-block .scheme-row {
  grid-template-columns: 64px 1fr;
  gap: 8px;
  padding: 6px 8px;
}
.scheme-color-block .scheme-row img,
.scheme-color-block .scheme-row .ph {
  width: 64px;
  height: 64px;
}
.scheme-color-block .sku { font-size: 11px; }
.scheme-color-block .scheme-row-name { font-size: 11px; }
.scheme-card.is-complete,
.scheme-color-block.is-complete {
  background: #eef6ee;
  border-color: #b7d0b6;
}
.scheme-card.is-partial,
.scheme-color-block.is-partial {
  background: #f8eee2;
  border-color: #e0c49a;
}
.scheme-card .colors { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.scheme-card.is-partial,
.scheme-color-block.is-partial {
  background: #f8eee2;
  border-color: #e0c49a;
}
.tone-legend {
  margin-left: auto;
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
}
.tone-legend i {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  margin-right: 4px;
  vertical-align: -1px;
  border: 1px solid var(--line);
}
.tone-legend .ok { background: #eef6ee; border-color: #b7d0b6; }
.tone-legend .miss { background: #f8eee2; border-color: #e0c49a; }
.chip-sm { font-size: 10px; padding: 2px 7px; }
.scheme-total { font-size: 13px; margin-top: 8px; line-height: 1.5; }
.scheme-total b { font-size: 15px; }
.scheme-foot td { font-weight: 600; background: #f4efe6; }
.chip.warn { background: #eee2c4; }
.fallback { color: var(--danger); font-size: 11px; }
#btnSchemes.on { background: var(--gold); color: #161513; border-color: var(--gold); }
.cart-list { display: flex; flex-direction: column; gap: 8px; margin: 12px 0 16px; }
.cart-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 10px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font-size: 13px;
}
.cart-item .sku { font-weight: 700; }
.cart-item .meta { color: var(--muted); font-size: 12px; grid-column: 1; }
.price { font-size: 13px; }
.price b { font-size: 15px; }
.price-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px 8px;
  margin-top: 6px;
  font-size: 11px;
  color: var(--muted);
}
.price-grid b { color: var(--ink); font-size: 12px; }
.gallery { display: flex; gap: 8px; margin: 8px 0 12px; flex-wrap: wrap; }
.gallery button.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(12,10,8,0.92);
  display: none;
  flex-direction: column;
}
.lightbox.on { display: flex; }
.lb-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  color: #f7f1e8;
}
.lb-bar span { margin-right: auto; }
.lb-stage {
  flex: 1;
  overflow: hidden;
  cursor: grab;
  position: relative;
}
.lb-stage.drag { cursor: grabbing; }
.lb-stage img {
  position: absolute;
  left: 50%;
  top: 50%;
  max-width: 94vw;
  max-height: 82vh;
  width: auto;
  height: auto;
  transform-origin: center center;
  user-select: none;
  pointer-events: none;
}
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 6px 10px; font-size: 14px; margin: 12px 0; }
.history { width: 100%; border-collapse: collapse; font-size: 13px; }
.history th, .history td { border-bottom: 1px solid var(--line); padding: 6px 4px; text-align: left; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 18px; }
.hint { font-size: 12px; color: var(--muted); }
a { color: #6a4a1d; }
input[type="file"] { max-width: 100%; }
textarea, .field {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
}