:root {
  --bg: #f4f6f9;
  --card: #fff;
  --text: #1f2933;
  --muted: #6b7280;
  --brand: #00843d;
  --brand-dark: #006b31;
  --border: #e5e7eb;
  --error: #b91c1c;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", Tahoma, "Noto Sans Thai", sans-serif; background: var(--bg); color: var(--text); }
header { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; background: var(--brand); color: #fff; }
header h1 { margin: 0; font-size: 20px; }
main { max-width: 1200px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.card h2 { margin: 0 0 12px; font-size: 16px; }
.card h2 small { color: var(--muted); font-weight: normal; }
.login { max-width: 380px; margin: 48px auto; }
.login label { display: block; margin-bottom: 12px; font-size: 14px; }
.login input { display: block; width: 100%; margin-top: 4px; }
input { padding: 8px; border: 1px solid var(--border); border-radius: 6px; font: inherit; }
button { padding: 8px 16px; border: 0; border-radius: 6px; background: var(--brand); color: #fff; font: inherit; cursor: pointer; }
button:hover { background: var(--brand-dark); }
button:disabled { opacity: .6; cursor: wait; }
button.secondary { background: #fff; color: var(--brand); border: 1px solid var(--brand); }
button.link { background: none; color: #fff; text-decoration: underline; padding: 0 0 0 8px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.toolbar label { display: flex; gap: 8px; align-items: center; }
#status { color: var(--muted); font-size: 14px; }
.error { color: var(--error); min-height: 1em; }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 6px 8px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
th { background: #f9fafb; }
td.wrap { white-space: normal; min-width: 220px; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
tfoot td { font-weight: bold; }
#summary tbody tr { cursor: pointer; }
#summary tbody tr:hover, #summary tbody tr.active { background: #ecfdf3; }
td.delivered { font-weight: 600; color: var(--brand-dark); }