:root {
  --maroon: #7a1825;
  --maroon-900: #4f1019;
  --gold: #caa253;
  --ink: #172027;
  --muted: #697580;
  --line: #e4e8ec;
  --soft: #f5f7f9;
  --surface: #ffffff;
  --good: #0f766e;
  --bad: #b42318;
  --warn: #a15c07;
  --info: #1d4ed8;
  --shadow: 0 12px 36px rgba(22, 31, 42, .08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Noto Sans Thai", "Tahoma", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--soft);
  letter-spacing: 0;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 280px 1fr; }
.sidebar {
  background: linear-gradient(180deg, var(--maroon-900), var(--maroon));
  color: #fff;
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.brand { display: flex; gap: 12px; align-items: center; padding: 8px; }
.brand span { display: block; font-size: 12px; opacity: .75; margin-top: 2px; }
.seal {
  width: 46px; height: 46px; border: 2px solid rgba(255,255,255,.65);
  display: grid; place-items: center; border-radius: 50%;
  color: #fff; background: rgba(255,255,255,.1); font-weight: 800; font-size: 12px;
}
.seal.large { width: 68px; height: 68px; margin: 0 auto 14px; background: var(--maroon); }
nav { display: grid; gap: 6px; }
nav a, .logout button {
  border: 0; width: 100%; text-align: left; color: #fff; background: transparent;
  padding: 12px 12px; border-radius: 8px; cursor: pointer;
}
nav a:hover, .logout button:hover { background: rgba(255,255,255,.12); }
.logout { margin-top: auto; }

.main { min-width: 0; padding: 22px; }
.topbar {
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
  padding: 14px 16px; display: flex; justify-content: space-between; align-items: center;
  box-shadow: var(--shadow); margin-bottom: 18px;
}
.topbar h1 { margin: 0; font-size: 22px; }
.topbar p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.hamburger { display: none; border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 8px 10px; }
.userbox { text-align: right; display: grid; gap: 2px; }
.userbox small { color: var(--muted); }

h1, h2, h3 { line-height: 1.2; }
h2 { margin: 0 0 16px; font-size: 24px; }
h3 { margin: 0 0 12px; font-size: 17px; }
p { line-height: 1.65; }
.panel, .card, .metric, .login-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  min-width: 0;
}
.panel { padding: 18px; }
.wide { max-width: 1180px; }
.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: minmax(0, 1fr) minmax(360px, .75fr); align-items: start; }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.metric { padding: 16px; border-left: 4px solid var(--maroon); }
.metric span, .metric small { color: var(--muted); font-size: 13px; }
.metric strong { display: block; font-size: 32px; margin: 8px 0 2px; }
.metric.amber { border-color: var(--gold); }
.metric.green { border-color: var(--good); }
.metric.blue { border-color: var(--info); }

.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card { padding: 18px; display: grid; gap: 12px; align-content: start; }
.card h3 { margin: 0; }
.card p { color: var(--muted); margin: 0; }
.form-list { display: grid; gap: 8px; }
.form-row { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.form-row span { color: var(--muted); font-size: 13px; }
.form-row small { display: block; color: var(--muted); margin-top: 4px; }
.form-row.unread { border-left: 4px solid var(--maroon); background: #fffaf5; }
.form-admin-row { align-items: flex-start; }
.form-admin-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; align-items: center; gap: 8px; max-width: 100%; }
.inline-form { display: inline-flex; align-items: center; gap: 8px; margin: 0; }
.inline-form select { min-height: 40px; width: auto; max-width: 180px; }
.inline-form button { min-height: 40px; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.section-head h2 { margin: 0; }

.table-wrap { overflow-x: auto; max-width: 100%; border: 1px solid var(--line); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; background: #fff; min-width: 760px; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #f8fafc; color: #44515c; font-size: 13px; }
tr { cursor: pointer; }
tbody tr:hover { background: #fff8ed; }
.empty { text-align: center; color: var(--muted); padding: 28px; }

.chip { display: inline-flex; align-items: center; min-height: 24px; border-radius: 999px; padding: 3px 9px; font-size: 12px; font-weight: 700; border: 1px solid transparent; white-space: nowrap; }
.chip.good { color: var(--good); background: #ecfdf5; border-color: #99f6e4; }
.chip.bad { color: var(--bad); background: #fef3f2; border-color: #fecaca; }
.chip.warn { color: var(--warn); background: #fffbeb; border-color: #fde68a; }
.chip.info { color: var(--info); background: #eff6ff; border-color: #bfdbfe; }
.chip.muted { color: var(--muted); background: #f1f5f9; border-color: #e2e8f0; }
.muted { color: var(--muted); }

label { display: grid; gap: 7px; font-weight: 700; color: #33414c; }
input, textarea, select {
  width: 100%;
  border: 1px solid #cfd7df;
  border-radius: 8px;
  padding: 11px 12px;
  background: #fff;
  color: var(--ink);
  min-height: 44px;
}
textarea { min-height: 100px; resize: vertical; }
.form-stack, .form-grid { display: grid; gap: 14px; }
.form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid .payment-box, .form-grid .actions { grid-column: 1 / -1; }
.payment-box { border: 1px dashed var(--gold); background: #fffaf0; padding: 16px; border-radius: 8px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.payment-box h3, .payment-box p { grid-column: 1 / -1; margin: 0; }
.actions { display: flex; justify-content: flex-end; gap: 10px; }
.filter-bar { display: grid; grid-template-columns: minmax(220px, 1.5fr) minmax(160px, 1fr) minmax(160px, 1fr) auto auto; gap: 10px; align-items: end; margin-bottom: 14px; }
.mini-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.condition-grid { display: grid; grid-template-columns: minmax(140px, 1fr) minmax(120px, .7fr) minmax(140px, 1fr); gap: 10px; width: 100%; }
.builder .form-row[data-builder-field] { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: end; }
.builder .condition-grid, .builder .field-key { grid-column: 1 / -1; }
.workflow-steps { display: grid; gap: 10px; }
.workflow-row { display: grid; grid-template-columns: 90px minmax(180px, 1.2fr) minmax(150px, .9fr) minmax(120px, .6fr) auto; gap: 10px; align-items: end; padding: 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.workflow-number { align-self: center; color: var(--maroon); }
.field-key, .field-help { color: var(--muted); font-size: 12px; font-weight: 500; }
.builder-preview { border: 1px dashed var(--gold); background: #fffaf0; border-radius: 8px; padding: 14px; display: grid; gap: 12px; }
.dynamic-field[hidden] { display: none !important; }
.form-section { grid-column: 1 / -1; border-bottom: 1px solid var(--line); padding: 8px 0 4px; }
.form-section h3 { margin: 0; color: var(--maroon); }
.preview-sheet { border: 1px solid var(--line); border-radius: 8px; background: #fff; padding: 14px; margin: 14px 0; }
.choice-group { display: flex; flex-wrap: wrap; gap: 8px 14px; }
.notice { border: 1px dashed var(--line); background: #f8fafc; padding: 12px; border-radius: 8px; color: var(--muted); }
.button, button {
  display: inline-flex; justify-content: center; align-items: center; gap: 8px;
  min-height: 42px; border-radius: 8px; padding: 10px 14px;
  border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer;
}
.primary { background: var(--maroon); border-color: var(--maroon); color: #fff; }
.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
.inline { display: flex; grid-template-columns: auto 1fr; align-items: center; gap: 8px; }
.inline input { width: auto; min-height: auto; }

.login-panel { min-height: 100vh; display: grid; place-items: center; padding: 20px; background: linear-gradient(135deg, #fff, #f7f0e5); }
.login-card { width: min(460px, 100%); padding: 28px; text-align: center; }
.login-card h1 { color: var(--maroon); margin: 0 0 8px; }
.login-card p { color: var(--muted); }
.hint { font-size: 12px; text-align: left; background: #f8fafc; padding: 12px; border-radius: 8px; }
.oauth-button { width: 100%; margin: 10px 0; }
.divider { color: var(--muted); font-size: 13px; margin: 12px 0; display: flex; align-items: center; gap: 10px; }
.divider::before, .divider::after { content: ""; height: 1px; background: var(--line); flex: 1; }
.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 16px; border: 1px solid var(--line); background: #fff; }
.alert.good { border-color: #99f6e4; color: var(--good); background: #ecfdf5; }
.alert.bad { border-color: #fecaca; color: var(--bad); background: #fef3f2; }
.kv { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.kv span { color: var(--muted); }
.step { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.step b { width: 30px; height: 30px; border-radius: 50%; background: var(--maroon); color: #fff; display: grid; place-items: center; }
.step span { color: var(--muted); display: block; margin-top: 2px; }
.review-form { display: grid; gap: 10px; margin-top: 14px; }
.checklist { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.print-sheet { max-width: 840px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 32px; box-shadow: var(--shadow); }
.print-title { display: flex; gap: 16px; align-items: center; }
.print-title h2 { margin: 0; }
.print-title p { margin: 4px 0 0; color: var(--muted); }
.print-seal { background: var(--maroon); color: #fff; }
.print-actions { display: flex; justify-content: flex-end; margin-bottom: 18px; }
 .verify-box { border: 1px dashed var(--maroon); background: #fffaf5; padding: 12px; border-radius: 8px; margin-top: 16px; overflow-wrap: anywhere; }
code { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 12px; }

@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: 280px; z-index: 10; transform: translateX(-105%); transition: transform .2s ease; }
  body.nav-open .sidebar { transform: translateX(0); }
  .hamburger { display: inline-flex; }
  .topbar { gap: 12px; align-items: flex-start; }
  .metrics, .cards, .grid.two, .form-grid, .payment-box, .checklist { grid-template-columns: 1fr; }
  .filter-bar { grid-template-columns: 1fr; }
  .mini-grid, .condition-grid, .builder .form-row[data-builder-field], .workflow-row { grid-template-columns: 1fr; }
  .section-head { align-items: flex-start; flex-direction: column; }
  .main { padding: 14px; }
  .topbar { min-width: 0; }
  .topbar > div { min-width: 0; }
  .userbox { font-size: 13px; }
}

@media print {
  body { background: #fff; }
  .sidebar, .topbar, .print-actions, script { display: none !important; }
  .app-shell { display: block; }
  .main { padding: 0; }
  .print-sheet { box-shadow: none; border: 0; max-width: none; padding: 0; }
}

@media (max-width: 560px) {
  .topbar h1 { font-size: 18px; }
  .panel, .card, .metric, .login-card { padding: 14px; }
  .actions { flex-direction: column; }
  .actions .button, .actions button, button.primary { width: 100%; }
  .form-row { align-items: flex-start; flex-direction: column; }
  .form-admin-actions, .inline-form, .inline-form select, .inline-form button { width: 100%; }
  .form-admin-actions { justify-content: stretch; }
  .metric strong { font-size: 28px; }
}