:root {
  --ink: #16202a;
  --muted: #657282;
  --line: #d8e0e8;
  --panel: #ffffff;
  --soft: #f4f7fa;
  --brand: #1b6b69;
  --brand-dark: #124f4d;
}

html {
  font-size: 16px;
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family: Arial, Helvetica, sans-serif;
}

.site-header {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.navbar {
  max-width: 1320px;
  margin: 0 auto;
}

.navbar-brand {
  font-weight: 700;
  color: var(--brand);
}

.site-main {
  max-width: 1320px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 20px;
  color: var(--muted);
  text-align: center;
  background: var(--panel);
}

.page-intro,
.admin-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.page-heading {
  margin-bottom: 24px;
}

.eyebrow {
  color: var(--brand);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0;
  margin: 0 0 6px;
  text-transform: uppercase;
}

h1 {
  font-size: 2rem;
  margin: 0 0 8px;
}

h2 {
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.content-shell,
.login-shell {
  max-width: 980px;
}

.login-shell {
  margin: 0 auto;
}

.form-grid {
  display: grid;
  gap: 18px;
}

.form-section,
.summary-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}

.summary-panel dl,
.detail-list {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) 2fr;
  gap: 8px 18px;
  margin: 0;
}

.summary-panel dt,
.detail-list dt {
  color: var(--muted);
  font-weight: 600;
}

.summary-panel dd,
.detail-list dd {
  margin: 0;
}

.amount {
  font-size: 1.4rem;
  font-weight: 700;
}

.checks {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
}

.terms {
  align-items: flex-start;
}

.hint {
  color: var(--muted);
  margin: 14px 0 0;
}

.actions,
.admin-actions,
.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.btn-primary {
  --bs-btn-bg: var(--brand);
  --bs-btn-border-color: var(--brand);
  --bs-btn-hover-bg: var(--brand-dark);
  --bs-btn-hover-border-color: var(--brand-dark);
}

.confirmation-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
}

.qr-code {
  width: 100%;
  max-width: 280px;
  aspect-ratio: 1;
  display: block;
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  padding: 10px;
}

.payment-reference {
  margin: 16px 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.payment-method {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.payment-method h3 {
  font-size: 1rem;
  margin-bottom: 10px;
}

.mail-error {
  max-width: 260px;
  white-space: normal;
  word-break: break-word;
}

.filter-bar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) repeat(4, minmax(150px, 180px)) auto auto;
  gap: 10px;
  margin-bottom: 18px;
}

.admin-table {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
}

.admin-table table {
  margin: 0;
  min-width: 1120px;
}

.row-actions form,
.admin-actions form {
  margin: 0;
}

@media (max-width: 900px) {
  .page-intro,
  .admin-bar,
  .confirmation-grid {
    display: block;
  }

  .admin-actions {
    margin-top: 16px;
  }

  .filter-bar {
    grid-template-columns: 1fr;
  }

  .summary-panel {
    margin-top: 18px;
  }
}