:root {
  color-scheme: light;
  --ink: #17332d;
  --muted: #64746f;
  --line: #dce5e1;
  --paper: #ffffff;
  --canvas: #f4f7f5;
  --green: #183f37;
  --green-soft: #e4efeb;
  --sand: #f3ead8;
  --warning: #94601a;
  --danger: #a13c34;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--canvas); }
button, input, select { font: inherit; }
.hidden { display: none !important; }
.site-shell { min-height: 100vh; display: grid; grid-template-columns: 220px minmax(0, 1fr); }
.site-sidebar { position: sticky; top: 0; height: 100vh; padding: 22px 16px; color: #fff; background: var(--green); display: flex; flex-direction: column; gap: 28px; }
.site-brand { display: flex; gap: 10px; align-items: center; color: inherit; text-decoration: none; }
.site-brand img { width: 38px; height: 38px; border-radius: 10px; }
.site-brand span { display: grid; }
.site-brand small { color: #bcd0c9; }
.site-sidebar nav { display: grid; gap: 5px; }
.site-sidebar nav a { color: #d9e6e1; text-decoration: none; padding: 10px 12px; border-radius: 9px; }
.site-sidebar nav a:hover, .site-sidebar nav a.active { color: #fff; background: rgba(255,255,255,.12); }
.site-user { margin-top: auto; padding: 12px; color: #d9e6e1; border-top: 1px solid rgba(255,255,255,.16); font-size: 13px; }
main { min-width: 0; padding: 34px clamp(18px, 4vw, 56px) 56px; }
.page-header, .panel-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 8px; font-size: clamp(28px, 4vw, 42px); letter-spacing: -.035em; }
h2 { margin-bottom: 0; font-size: 21px; }
.lead { color: var(--muted); }
.eyebrow { margin-bottom: 6px; color: #49746a; font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.eyebrow.warning { color: var(--warning); }
.button { border: 0; border-radius: 9px; padding: 10px 15px; cursor: pointer; font-weight: 700; }
.button.primary { color: #fff; background: var(--green); }
.button.secondary { color: var(--ink); background: var(--paper); border: 1px solid var(--line); }
.button:disabled { opacity: .45; cursor: not-allowed; }
.notice { margin: 18px 0; padding: 13px 16px; border-radius: 10px; background: var(--green-soft); }
.notice.warning { color: #68420f; background: #fff0d7; }
.notice.error { color: #7c2924; background: #fbe7e5; }
.summary-grid { margin: 25px 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.summary-card, .panel { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 8px 26px rgba(29,61,52,.04); }
.summary-card { padding: 17px; display: grid; gap: 5px; }
.summary-card span, .summary-card small { color: var(--muted); font-size: 12px; }
.summary-card strong { font-size: 17px; }
.panel { margin-top: 16px; padding: 22px; }
.formula-panel { display: grid; grid-template-columns: minmax(180px, .45fr) minmax(0, 1.55fr); gap: 30px; align-items: start; }
.formula-panel > p { margin: 0; color: #43564f; line-height: 1.65; }
.actions { display: flex; gap: 12px; align-items: center; }
.dirty-state { color: var(--warning); font-size: 13px; }
.table-wrap { margin-top: 18px; overflow-x: auto; }
table { width: 100%; min-width: 860px; border-collapse: collapse; }
th { padding: 10px 12px; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 12px; text-align: left; white-space: nowrap; }
td { padding: 12px; border-bottom: 1px solid #e8eeeb; vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
td.numeric, th.numeric { text-align: right; font-variant-numeric: tabular-nums; }
.rank { width: 44px; font-size: 18px; font-weight: 800; }
.house-name { font-weight: 750; }
.house-subtitle { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.coefficient { width: 92px; padding: 8px 9px; border: 1px solid #bfcfc9; border-radius: 8px; text-align: right; font-variant-numeric: tabular-nums; }
.coefficient:focus { outline: 2px solid #83a99f; outline-offset: 1px; }
.score { font-size: 17px; font-weight: 800; }
.sku { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.status { display: inline-flex; padding: 5px 8px; border-radius: 999px; background: var(--green-soft); color: #285a4e; font-size: 12px; font-weight: 700; }
.status.error { color: var(--danger); background: #fbe7e5; }
.warning-list { margin-top: 14px; display: grid; gap: 9px; }
.warning-item { padding: 11px 13px; border-radius: 9px; background: #fff6e7; color: #694512; }
.section-description { max-width: 680px; margin: 7px 0 0; color: var(--muted); font-size: 14px; line-height: 1.5; }
.catalog-upload { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.file-picker { padding: 9px 12px; color: var(--ink); background: var(--canvas); border: 1px dashed #aebfba; border-radius: 9px; cursor: pointer; font-size: 13px; font-weight: 700; }
.file-picker:hover { border-color: #6f9188; }
.catalog-meta { margin: 14px 0 0; color: var(--muted); font-size: 13px; }
.mapping-attention { margin-top: 16px; display: grid; gap: 10px; }
.mapping-card { padding: 14px; display: grid; grid-template-columns: minmax(180px, .75fr) minmax(240px, 1.25fr) auto; gap: 12px; align-items: center; border: 1px solid #efd9b7; border-radius: 10px; background: #fff9ef; }
.mapping-card strong { display: block; }
.mapping-card small { color: var(--muted); }
.mapping-select { width: 100%; min-width: 220px; padding: 9px 10px; color: var(--ink); background: #fff; border: 1px solid #bfcfc9; border-radius: 8px; }
.mapping-select:focus { outline: 2px solid #83a99f; outline-offset: 1px; }
.mapping-details { margin-top: 16px; border-top: 1px solid var(--line); padding-top: 14px; }
.mapping-details summary { color: #285a4e; cursor: pointer; font-weight: 750; }
.mapping-table { min-width: 760px; }
.mapping-history { margin-top: 14px; color: var(--muted); font-size: 13px; }
.mapping-history ul { margin: 8px 0 0; padding-left: 20px; }
.mapping-history li + li { margin-top: 5px; }
.status.warning { color: var(--warning); background: #fff0d7; }
.empty { padding: 30px; color: var(--muted); text-align: center; }
.history-note { margin: 14px 0 0; color: var(--muted); font-size: 13px; }
.download-link { color: #245d51; font-weight: 700; text-decoration: none; }
.download-link:hover { text-decoration: underline; }
@media (max-width: 1000px) { .summary-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) {
  .site-shell { display: block; }
  .site-sidebar { position: static; width: 100%; height: auto; padding: 13px 16px; flex-direction: row; align-items: center; gap: 16px; }
  .site-brand small, .site-user { display: none; }
  .site-sidebar nav { margin-left: auto; display: flex; overflow-x: auto; }
  .site-sidebar nav a { padding: 8px 9px; }
  main { padding: 24px 14px 42px; }
  .page-header, .panel-heading { align-items: stretch; flex-direction: column; }
  .summary-grid { grid-template-columns: 1fr; }
  .formula-panel { grid-template-columns: 1fr; gap: 12px; }
  .actions { width: 100%; align-items: stretch; flex-direction: column; }
  .catalog-upload { width: 100%; align-items: stretch; flex-direction: column; }
  .file-picker { text-align: center; }
  .mapping-card { grid-template-columns: 1fr; }
}