:root {
  color-scheme: light dark;
  --bg: #f4f6fb;
  --surface: #ffffff;
  --text: #1c2533;
  --muted: #667085;
  --border: #d9dee8;
  --accent: #2557d6;
  --accent-text: #ffffff;
  --danger-bg: #fdecec;
  --danger: #a51b1b;
  --flash-bg: #e8f5ec;
  --flash: #1f6b3a;
  --radius: 10px;
  --shadow: 0 8px 24px rgba(22, 34, 51, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101624;
    --surface: #182033;
    --text: #e8edf7;
    --muted: #9aa6bb;
    --border: #2a3550;
    --accent: #7aa2ff;
    --accent-text: #0b1120;
    --danger-bg: #3a1a1f;
    --danger: #ff9aa2;
    --flash-bg: #16321f;
    --flash: #8fe0a8;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

a {
  color: var(--accent);
}

h1 {
  margin: 0 0 12px;
  font-size: 1.5rem;
}

.muted {
  color: var(--muted);
}

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 8px;
  flex: 1;
}

.nav-link {
  display: inline-block;
  padding: 6px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

.nav-link:hover,
.nav-link.active {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
}

.logout {
  margin: 0;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}

.flash {
  margin-bottom: 16px;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: var(--flash-bg);
  color: var(--flash);
}

.error {
  margin-bottom: 16px;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: var(--danger-bg);
  color: var(--danger);
}

.login-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(380px, 100%);
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stack {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.field {
  display: grid;
  gap: 6px;
  font-weight: 600;
}

.field input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

.field input:focus-visible,
.button:focus-visible,
.nav-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.button {
  display: inline-block;
  padding: 10px 16px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-text);
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.button.secondary {
  background: color-mix(in srgb, var(--accent) 12%, var(--surface));
  color: var(--text);
  border: 1px solid var(--border);
  font-weight: 600;
}

.button.danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent);
}

.page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.page-head h1 {
  margin-bottom: 4px;
}

.page-head-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
}

.inline-form {
  margin: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.field select,
.field textarea {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

.target-options {
  margin: 0;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.target-options legend {
  padding: 0 6px;
  font-weight: 700;
}

.choice {
  display: block;
  padding: 6px 0;
}

.computer-list {
  columns: 2;
  column-gap: 24px;
}

@media (max-width: 720px) {
  .computer-list {
    columns: 1;
  }
}

.form-actions {
  display: flex;
  justify-content: flex-end;
}

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

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.table th,
.table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.table th {
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}

.table tbody tr:hover {
  background: color-mix(in srgb, var(--accent) 5%, transparent);
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-active {
  background: var(--flash-bg);
  color: var(--flash);
}

.badge-expired {
  background: color-mix(in srgb, var(--muted) 16%, transparent);
  color: var(--muted);
}

.badge-revoked {
  background: var(--danger-bg);
  color: var(--danger);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin: 16px 0 24px;
}

.summary-grid > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}

.summary-value {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
}

.summary-total .summary-value {
  color: var(--accent);
}

.message-body {
  margin: 0 0 8px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.message-detail h2 {
  margin: 24px 0 8px;
  font-size: 1.1rem;
}

.attachment-list {
  margin: 0;
  padding-left: 20px;
}

.live-status {
  margin-left: auto;
  font-size: 0.9rem;
}

.dialog {
  width: min(560px, calc(100vw - 32px));
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}

.dialog::backdrop {
  background: rgba(8, 12, 22, 0.5);
}

.dialog h2 {
  margin: 0 0 16px;
}

.preview {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 16px;
  margin: 0;
}

.preview dt {
  color: var(--muted);
  font-weight: 600;
}

.preview dd {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
}

.badge-pending {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
}

.badge-approved {
  background: var(--flash-bg);
  color: var(--flash);
}

.filter-form {
  align-items: flex-end;
}

.field-inline {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
}

.field-inline select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

.actions-cell {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px;
}

.compact-form {
  display: flex;
  gap: 6px;
}

.compact-form input[type="text"] {
  width: 150px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

.approve-form {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 8px;
  margin-bottom: 8px;
}

.approve-form .field {
  font-size: 0.85rem;
}

.approve-form .field input,
.approve-form .field select {
  padding: 8px 10px;
}

.group-list {
  margin: 0 0 20px;
  padding-left: 20px;
}

.settings-form .form-actions,
.group-form .form-actions {
  margin-top: 20px;
}

.audit-data {
  overflow-wrap: anywhere;
}