: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;
}

* { 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);
}

.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; }

main { padding: 24px 28px; max-width: 1600px; margin: 0 auto; }

.toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.toolbar input[type="search"], .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;
}

.toolbar input[type="search"] { flex: 1; min-width: 220px; }

.sync-toggle {
  background: none;
  border: 1px solid var(--gh-sage);
  border-radius: 8px;
  padding: 9px 14px;
  font-family: var(--gh-font);
  color: var(--gh-olive);
  cursor: pointer;
}

.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: #3E6B2E; font-weight: 700; }
.status-error { color: #A3402A; font-weight: 700; }

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

table.products {
  border-collapse: collapse;
  width: 100%;
  min-width: 1400px;
  background: #fff;
  font-size: 0.85rem;
}

table.products th, table.products td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--gh-sage);
  border-right: 1px solid var(--gh-sage);
  white-space: nowrap;
  text-align: left;
}

table.products thead th {
  background: var(--gh-sage);
  color: var(--gh-olive);
  position: sticky;
  top: 0;
  z-index: 1;
}

table.products thead tr.group-row th {
  text-align: center;
  background: var(--gh-olive-muted);
  color: var(--gh-cream);
}

table.products tbody tr:nth-child(even) { background: #FBFBF2; }
table.products tbody tr:hover { background: var(--gh-sky); }

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