:root {
  --gh-olive: #585828;
  --gh-cream: #F8F8E8;
  --gh-olive-muted: #809060;
  --gh-sage: #D8E0C0;
  --gh-sky: #D8F0F8;
  --gh-font: 'Chapeau', 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Status ramp — reserved meaning, never reused for chart series. Muted earth
     tones (no bright red/orange/green) to stay within brand, each pair validated
     for >=3:1 fill contrast on cream and >=4.5:1 for white text on the fill. */
  --status-critical: #A3402A;
  --status-warning: #8F681C;
  --status-good: #5E8038;
  --status-excellent: #3E6B2E;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--gh-cream);
  color: var(--gh-olive);
  font-family: var(--gh-font);
}

h1, h2, h3 { font-weight: 700; margin: 0; }

a { color: var(--gh-olive); }

.card {
  background: #fff;
  border: 1px solid var(--gh-sage);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(88, 88, 40, 0.08);
}

/* Login page */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card { width: 340px; text-align: center; }
.login-card h1 { font-size: 1.4rem; margin-bottom: 8px; }
.login-card p.subtitle { color: var(--gh-olive-muted); margin: 0 0 20px; }

.btn-primary {
  display: inline-block;
  width: 100%;
  padding: 12px;
  background: var(--gh-olive);
  color: var(--gh-cream);
  border: none;
  border-radius: 8px;
  font-family: var(--gh-font);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary:hover { background: var(--gh-olive-muted); }

.error-banner {
  background: #F4E3D3;
  border: 1px solid #D9A97A;
  color: #7A4A1E;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

/* App shell */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  background: var(--gh-olive);
  color: var(--gh-cream);
  flex-wrap: wrap;
  gap: 8px;
}

.app-header h1 { font-size: 1.2rem; color: var(--gh-cream); }
.app-header .meta { font-size: 0.8rem; color: var(--gh-sage); }
.app-header .user { display: flex; align-items: center; gap: 14px; font-size: 0.85rem; }
.app-header a.logout { color: var(--gh-cream); text-decoration: underline; }

.sync-toggle {
  background: none;
  border: 1px solid var(--gh-cream);
  color: var(--gh-cream);
  border-radius: 8px;
  padding: 8px 14px;
  font-family: var(--gh-font);
  cursor: pointer;
}

main { padding: 24px 28px; max-width: 1200px; margin: 0 auto; }

.sync-panel { margin-bottom: 16px; display: none; }
.sync-panel.open { display: block; }
.sync-panel table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.sync-panel th, .sync-panel td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--gh-sage); }
.status-success { color: var(--status-excellent); font-weight: 700; }
.status-error { color: var(--status-critical); font-weight: 700; }

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--gh-sage);
}

.tab-btn {
  background: none;
  border: none;
  padding: 10px 18px;
  font-family: var(--gh-font);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gh-olive-muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
}

.tab-btn.active { color: var(--gh-olive); border-bottom-color: var(--gh-olive); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Goal meter */
.goal-card { margin-bottom: 20px; }
.goal-card h2 { font-size: 1.05rem; margin-bottom: 4px; }
.goal-card .goal-sub { color: var(--gh-olive-muted); font-size: 0.85rem; margin-bottom: 18px; }

.meter-track {
  position: relative;
  height: 28px;
  background: var(--gh-sage);
  border-radius: 14px;
  margin: 28px 4px 32px;
  overflow: visible;
}

.meter-fill {
  height: 100%;
  border-radius: 14px;
  transition: width 0.4s ease;
}

.meter-tick {
  position: absolute;
  top: -6px;
  bottom: -6px;
  width: 2px;
  background: var(--gh-olive);
  opacity: 0.55;
}

.meter-tick-label {
  position: absolute;
  top: -26px;
  transform: translateX(-50%);
  font-size: 0.72rem;
  color: var(--gh-olive-muted);
  white-space: nowrap;
}

.meter-current-label {
  position: absolute;
  bottom: -26px;
  transform: translateX(-50%);
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}

.meter-legend { display: flex; gap: 18px; flex-wrap: wrap; font-size: 0.78rem; color: var(--gh-olive-muted); }
.meter-legend .swatch { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 5px; vertical-align: middle; }

/* KPI hero */
.kpi-card { margin-bottom: 20px; }
.kpi-card .kpi-label { font-size: 0.85rem; color: var(--gh-olive-muted); margin-bottom: 6px; }
.kpi-card .kpi-value { font-size: 3rem; font-weight: 700; line-height: 1; margin-bottom: 4px; }
.kpi-card .kpi-detail { font-size: 0.82rem; color: var(--gh-olive-muted); margin-bottom: 14px; }
.kpi-card .chart-wrap { height: 110px; }

.chart-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.chart-row .card h3 { font-size: 0.95rem; margin-bottom: 2px; }
.chart-row .card .chart-sub { font-size: 0.78rem; color: var(--gh-olive-muted); margin-bottom: 10px; }
.chart-row .chart-wrap { height: 220px; }

@media (max-width: 860px) {
  .chart-row { grid-template-columns: 1fr; }
}

/* Open orders tab */
.toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar select {
  padding: 9px 12px;
  border: 1px solid var(--gh-sage);
  border-radius: 8px;
  font-family: var(--gh-font);
  font-size: 0.9rem;
  color: var(--gh-olive);
  background: #fff;
}

.table-scroll { overflow-x: auto; border-radius: 10px; border: 1px solid var(--gh-sage); }

table.customers { border-collapse: collapse; width: 100%; background: #fff; font-size: 0.9rem; }
table.customers th, table.customers td { padding: 10px 14px; border-bottom: 1px solid var(--gh-sage); text-align: left; }
table.customers th { background: var(--gh-sage); color: var(--gh-olive); position: sticky; top: 0; }
table.customers td.num, table.customers th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.customers tbody tr:nth-child(even) { background: #FBFBF2; }
table.customers tbody tr:hover { background: var(--gh-sky); }

.otif-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  color: #fff;
  font-weight: 700;
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}

.empty-state { text-align: center; padding: 40px; color: var(--gh-olive-muted); }