:root {
  --bg: #f3f5f7; --surface: #ffffff; --surface-2: #f7f9fb; --border: #e1e6ec;
  --text: #0f172a; --muted: #5f6b7a;
  --brand: #0f766e; --brand-ink: #ffffff;
  --ok: #15803d; --ok-bg: #dcfce7;
  --warn: #a16207; --warn-bg: #fef3c7;
  --bad: #b91c1c; --bad-bg: #fee2e2;
  --neutral: #64748b; --neutral-bg: #e9edf2;
  --info: #1d4ed8; --info-bg: #dbeafe;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 1px 3px rgba(15, 23, 42, .07);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1117; --surface: #161b22; --surface-2: #1c2129; --border: #2b323c;
    --text: #e6edf3; --muted: #9aa5b1;
    --brand: #14b8a6; --brand-ink: #04201c;
    --ok: #4ade80; --ok-bg: #12301f; --warn: #fbbf24; --warn-bg: #3a2c0b;
    --bad: #f87171; --bad-bg: #3b1515; --neutral: #9aa5b1; --neutral-bg: #262d36;
    --info: #93c5fd; --info-bg: #172a4a;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1117; --surface: #161b22; --surface-2: #1c2129; --border: #2b323c;
  --text: #e6edf3; --muted: #9aa5b1;
  --brand: #14b8a6; --brand-ink: #04201c;
  --ok: #4ade80; --ok-bg: #12301f; --warn: #fbbf24; --warn-bg: #3a2c0b;
  --bad: #f87171; --bad-bg: #3b1515; --neutral: #9aa5b1; --neutral-bg: #262d36;
  --info: #93c5fd; --info-bg: #172a4a;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
button, input, select { font: inherit; color: inherit; }
[hidden] { display: none !important; }
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 16px; background: var(--brand); color: var(--brand-ink);
}
.topbar h1 { margin: 0; font-size: 17px; font-weight: 700; }
.topbar .sub { font-size: 12.5px; opacity: .9; }
.topbar .spacer { flex: 1; }
.topbar .btn { background: rgba(255, 255, 255, .15); border-color: rgba(255, 255, 255, .35); color: var(--brand-ink); }
.wrap { max-width: 1200px; margin: 0 auto; padding: 16px; }
.section-title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 18px 0 8px; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px;
}
.import-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 12px; }
.import-card h2 { margin: 0 0 4px; font-size: 15px; }
.import-card p { margin: 0 0 10px; color: var(--muted); font-size: 12.5px; }
.step { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--brand); color: var(--brand-ink); font-size: 12px; font-weight: 700; margin-right: 6px; }
.btn {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
  padding: 8px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface); font-weight: 600;
}
.btn:hover { background: var(--surface-2); }
.btn:disabled { opacity: .5; cursor: default; }
.btn-primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.btn-primary:hover { background: var(--brand); filter: brightness(1.08); }
.btn-danger { color: var(--bad); }
.btn:focus-visible, .chip:focus-visible, .tab:focus-visible, .icon-btn:focus-visible, .row-toggle:focus-visible, .alloc-input:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.file-label:focus-within { outline: 2px solid var(--brand); outline-offset: 2px; }
.file-label input[type=file] { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.file-status { margin-top: 8px; font-size: 12.5px; display: flex; flex-direction: column; gap: 3px; }
.file-status .ok { color: var(--ok); }
.file-status .wait { color: var(--muted); }
.date-input { padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
.msg { margin-top: 12px; padding: 10px 12px; border-radius: 8px; font-size: 13px; }
.msg.info { background: var(--info-bg); color: var(--info); }
.msg.error { background: var(--bad-bg); color: var(--bad); }
.source-line { margin-top: 10px; font-size: 12.5px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; }
.summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.stat { padding: 12px 14px; border-left: 4px solid var(--neutral); }
.stat .lbl { font-size: 12px; color: var(--muted); }
.stat .num { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1.2; }
.stat .hint { font-size: 11.5px; color: var(--muted); }
.stat.s-ok { border-left-color: var(--ok); }
.stat.s-partial { border-left-color: var(--warn); }
.stat.s-none, .stat.s-sku { border-left-color: var(--bad); }
.warn-box { margin-top: 10px; padding: 10px 12px; border-radius: 8px; background: var(--bad-bg); color: var(--bad); font-size: 13px; }
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); overflow-x: auto; margin-top: 20px; }
.tab {
  cursor: pointer; border: 0; background: none; padding: 10px 14px; white-space: nowrap;
  border-bottom: 3px solid transparent; color: var(--muted); font-weight: 600;
}
.tab[aria-selected="true"] { color: var(--brand); border-bottom-color: var(--brand); }
.tab .count { font-size: 11.5px; background: var(--neutral-bg); color: var(--muted); border-radius: 999px; padding: 1px 7px; margin-left: 4px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 12px 0; }
.search { flex: 1 1 220px; min-width: 0; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { cursor: pointer; border: 1px solid var(--border); background: var(--surface); border-radius: 999px; padding: 5px 11px; font-size: 12.5px; }
.chip[aria-pressed="true"] { background: var(--text); color: var(--surface); border-color: var(--text); }
.hint-line { font-size: 12.5px; color: var(--muted); margin: -4px 0 10px; }
.order {
  background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--neutral);
  border-radius: var(--radius); margin-bottom: 8px; box-shadow: var(--shadow);
}
.order.st-ok { border-left-color: var(--ok); }
.order.st-partial { border-left-color: var(--warn); }
.order.st-none { border-left-color: var(--bad); }
.order-main { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 10px 12px; }
.rank { display: flex; align-items: center; gap: 4px; }
.icon-btn {
  cursor: pointer; width: 30px; height: 30px; border-radius: 7px; border: 1px solid var(--border);
  background: var(--surface-2); display: inline-grid; place-items: center; font-size: 12px; flex: none;
}
.icon-btn.sm { width: 26px; height: 26px; font-size: 13px; }
.icon-btn:disabled { opacity: .35; cursor: default; }
.rank-input { width: 54px; padding: 5px 4px; text-align: center; border: 1px solid var(--border); border-radius: 7px; background: var(--surface); font-weight: 700; }
.row-toggle { all: unset; cursor: pointer; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.so { font-weight: 700; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 13.5px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.meta { color: var(--muted); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge { display: inline-block; font-size: 12px; font-weight: 700; border-radius: 999px; padding: 4px 10px; white-space: nowrap; }
.b-ok { background: var(--ok-bg); color: var(--ok); }
.b-partial, .b-short { background: var(--warn-bg); color: var(--warn); }
.b-none, .b-missing { background: var(--bad-bg); color: var(--bad); }
.b-zero { background: var(--neutral-bg); color: var(--neutral); }
.b-info { background: var(--info-bg); color: var(--info); }
.tag { font-size: 11px; font-weight: 600; border-radius: 6px; padding: 1px 6px; font-family: system-ui, sans-serif; }
.order-detail { border-top: 1px solid var(--border); padding: 8px 12px 12px; }
.order-detail .remarks { font-size: 12.5px; color: var(--muted); margin: 4px 0 8px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 7px 8px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; background: var(--surface-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.desc { white-space: normal; min-width: 200px; }
td.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12.5px; }
.ctn { display: block; color: var(--muted); font-size: 11.5px; }
.neg, .neg .ctn { color: var(--bad); font-weight: 700; }
tr.is-zero td { color: var(--muted); background: var(--surface-2); }
tr.is-off td { color: var(--muted); }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--surface-2); }
.alloc-wrap { display: inline-flex; gap: 4px; align-items: center; justify-content: flex-end; }
.alloc-input {
  width: 84px; padding: 4px 6px; text-align: right; font-variant-numeric: tabular-nums;
  border: 1px solid var(--border); border-radius: 6px; background: var(--surface);
}
.alloc-input.is-manual { border-color: var(--info); background: var(--info-bg); color: var(--info); font-weight: 700; }
.sku-detail td { background: var(--surface-2); white-space: normal; }
.sku-detail .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; padding: 4px 0; }
.sku-detail h4 { margin: 0 0 6px; font-size: 12.5px; }
.mini { font-size: 12.5px; }
.mini td, .mini th { padding: 4px 6px; }
.muted { color: var(--muted); }
.empty { padding: 30px 16px; text-align: center; color: var(--muted); }
.legend { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 12px; color: var(--muted); margin-top: 10px; }
.footer { margin: 24px 0 8px; font-size: 12px; color: var(--muted); text-align: center; }
@media (max-width: 640px) {
  .wrap { padding: 12px 16px; }
  .order-main { grid-template-columns: 1fr auto; }
  .order-main .rank { grid-column: 1 / -1; order: 2; }
  .stat .num { font-size: 22px; }
}