:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #667085;
  --line: #d9e1ec;
  --primary: #116149;
  --primary-dark: #0c4636;
  --danger: #b42318;
  --warning: #a15c07;
  --success: #087443;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 12px 22px;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.brand,
.auth-brand {
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
}

.nav,
.user-menu,
.actions,
.actions-cell,
.section-head,
.inline-filter {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav a,
.user-menu a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.nav a:hover,
.user-menu a:hover {
  color: var(--primary);
}

.container {
  max-width: 1220px;
  margin: 0 auto;
  padding: 24px;
}

.page-head,
.section-head {
  justify-content: space-between;
  margin-bottom: 18px;
}

.page-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

h1,
h2 {
  margin: 0;
  line-height: 1.2;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 18px;
}

p {
  margin: 6px 0 0;
  color: var(--muted);
}

.panel,
.metric,
.notice,
.auth-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.panel {
  padding: 18px;
  margin-bottom: 18px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.metrics.compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric {
  padding: 16px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: 24px;
}

.notice {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  margin-bottom: 18px;
}

.form-grid,
.filters {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.form-grid.narrow {
  max-width: 620px;
}

.form-grid .full {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 11px;
  color: var(--text);
  font: inherit;
  background: #fff;
}

textarea {
  resize: vertical;
}

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  align-self: end;
}

.check input {
  width: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
}

.btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.btn.primary:hover {
  background: var(--primary-dark);
}

.btn.danger {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
}

.btn.small {
  min-height: 32px;
  padding: 6px 9px;
  font-size: 12px;
}

.alert {
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  background: #fff;
}

.alert.success {
  border-color: #b7e3ca;
  color: var(--success);
}

.alert.danger {
  border-color: #f2b8b5;
  color: var(--danger);
}

.alert.warning {
  border-color: #ffd79a;
  color: var(--warning);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  padding: 11px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  background: #eef2f6;
}

.badge.active,
.badge.valid {
  color: var(--success);
  background: #e7f6ed;
}

.badge.inactive,
.badge.voided,
.badge.closed {
  color: var(--danger);
  background: #fff0ee;
}

.badge.corrected {
  color: var(--warning);
  background: #fff6e5;
}

.empty {
  text-align: center;
  color: var(--muted);
}

.void-form {
  display: grid;
  grid-template-columns: minmax(130px, 1fr) auto;
  gap: 8px;
}

.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
  background: #eef3f8;
}

.auth-card {
  width: min(420px, 100%);
  padding: 26px;
}

.auth-card h1 {
  margin: 18px 0;
}

.stack {
  display: grid;
  gap: 14px;
}

@media (max-width: 900px) {
  .topbar {
    grid-template-columns: 1fr;
  }

  .metrics,
  .metrics.compact,
  .form-grid,
  .filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .container {
    padding: 16px;
  }

  .page-head,
  .notice {
    display: grid;
  }

  .metrics,
  .metrics.compact,
  .form-grid,
  .filters {
    grid-template-columns: 1fr;
  }
}

@media print {
  .topbar,
  .btn,
  .filters,
  .void-form {
    display: none !important;
  }

  body {
    background: #fff;
  }

  .container {
    max-width: none;
    padding: 0;
  }

  .panel,
  .metric {
    border: 0;
  }
}