:root {
  --admin-bg: #d8dbdf;
  --admin-card: #ffffff;
  --admin-border: #d9e2ec;
  --admin-text: #102a43;
  --admin-muted: #627d98;
  --admin-primary: #0f3d62;
  --admin-primary-hover: #0b2f4d;
  --admin-secondary: #f0f4f8;
  --admin-success: #1f9d55;
  --admin-danger: #d64545;
  --admin-danger-bg: #fde8e8;
  --admin-shadow: 0 18px 50px rgba(16, 42, 67, 0.08);
  --admin-radius: 18px;
}

body.admin-page {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--admin-bg);
  color: var(--admin-text);
}

.admin-auth,
.verify-page,
.admin-dashboard {
  min-height: 100vh;
  padding: 40px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.admin-auth__card,
.verify-shell,
.admin-shell {
  width: min(1100px, 100%);
}

.admin-auth__card,
.admin-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  box-shadow: var(--admin-shadow);
}

.admin-auth__card {
  width: min(520px, 100%);
  margin: 0 auto;
  padding: 36px;
}

.admin-auth__brand {
  margin-bottom: 24px;
}

.admin-auth__brand h1,
.admin-card__head h1,
.admin-card__head h2,
.admin-shell__header h1 {
  margin: 0 0 8px;
  color: var(--admin-primary);
}

.admin-auth__brand p,
.admin-card__head p,
.admin-shell__header p {
  margin: 0;
  color: var(--admin-muted);
  line-height: 1.6;
}

.admin-shell {
  display: grid;
  gap: 24px;
}

.admin-shell__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.admin-card {
  padding: 28px;
}

.admin-card__head {
  margin-bottom: 20px;
}

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

.admin-form--grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
}

.admin-form__group {
  display: grid;
  gap: 8px;
}

.admin-form__group label {
  font-size: 14px;
  font-weight: 700;
  color: var(--admin-text);
}

.admin-form__group input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  background: #fff;
  color: var(--admin-text);
  font-size: 15px;
  outline: none;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.admin-form__group input:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(15, 61, 98, 0.12);
}

.admin-form__actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.admin-btn {
  appearance: none;
  border: none;
  cursor: pointer;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  transition:
    background 180ms ease,
    transform 180ms ease,
    opacity 180ms ease;
}

.admin-btn:hover {
  transform: translateY(-1px);
}

.admin-btn--small {
  min-height: 38px;
  padding: 0 14px;
  font-size: 13px;
}

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

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

.admin-btn--secondary {
  background: var(--admin-secondary);
  color: var(--admin-text);
  border: 1px solid var(--admin-border);
}

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

.admin-form__message {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--admin-muted);
}

.admin-form__message.is-success {
  color: var(--admin-success);
}

.admin-form__message.is-error {
  color: var(--admin-danger);
}

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

.admin-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
}

.admin-table th,
.admin-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--admin-border);
  text-align: left;
  font-size: 14px;
  vertical-align: middle;
}

.admin-table th {
  color: var(--admin-primary);
  background: #f8fbff;
}

.admin-table__actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.is-expired-cell {
  background: var(--admin-danger-bg);
  color: var(--admin-danger);
  font-weight: 700;
  border-radius: 10px;
}

.verify-shell {
  display: grid;
  gap: 24px;
  max-width: 760px;
  margin: 0 auto;
}

.verify-result__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.verify-result__item {
  display: grid;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--admin-border);
  border-radius: 14px;
  background: #fbfdff;
}

.verify-result__item span {
  font-size: 13px;
  color: var(--admin-muted);
  font-weight: 700;
}

.verify-result__item strong {
  font-size: 16px;
  color: var(--admin-text);
}

.verify-result__item--status {
  grid-column: 1 / -1;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 14px;
}

.status-badge.is-valid {
  background: rgba(31, 157, 85, 0.12);
  color: var(--admin-success);
}

.status-badge.is-expired {
  background: rgba(214, 69, 69, 0.12);
  color: var(--admin-danger);
}

@media (max-width: 768px) {
  .admin-auth,
  .verify-page,
  .admin-dashboard {
    padding: 24px 14px;
  }

  .admin-auth__card,
  .admin-card {
    padding: 20px;
  }

  .admin-form--grid,
  .verify-result__grid {
    grid-template-columns: 1fr;
  }

  .admin-shell__header {
    flex-direction: column;
    align-items: flex-start;
  }
}