:root {
  --bb-red: #E53935;
  --bb-red-dark: #C62828;
  --bb-navy: #0F172A;
  --bb-gray-100: #F1F5F9;
  --bb-gray-200: #E2E8F0;
  --bb-text-muted: #475569;
  --bb-font: 'Plus Jakarta Sans', system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--bb-font);
  background: #F8FAFC;
  color: var(--bb-navy);
}

.admin-login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.admin-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border: 1px solid var(--bb-gray-200);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
}

.admin-card h1 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
}

.admin-card p {
  margin: 0 0 1.5rem;
  color: var(--bb-text-muted);
}

.admin-header {
  background: var(--bb-navy);
  color: #fff;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.admin-header h1 {
  margin: 0;
  font-size: 1.25rem;
}

.admin-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.admin-main {
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-box {
  background: #fff;
  border: 1px solid var(--bb-gray-200);
  border-radius: 12px;
  padding: 1.25rem;
}

.stat-box strong {
  display: block;
  font-size: 1.75rem;
  color: var(--bb-red);
}

.stat-box span {
  color: var(--bb-text-muted);
  font-size: 0.9rem;
}

.admin-table-wrap {
  background: #fff;
  border: 1px solid var(--bb-gray-200);
  border-radius: 16px;
  overflow: hidden;
}

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

.admin-table th,
.admin-table td {
  padding: 0.9rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--bb-gray-200);
  vertical-align: top;
}

.admin-table th {
  background: var(--bb-gray-100);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-new {
  background: #FEE2E2;
  color: var(--bb-red-dark);
}

.badge-read {
  background: #E2E8F0;
  color: var(--bb-navy);
}

.message-preview {
  max-width: 320px;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--bb-text-muted);
  font-size: 0.9rem;
}

.form-label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.form-control {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--bb-gray-200);
  border-radius: 10px;
  font: inherit;
  margin-bottom: 1rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--bb-red);
  box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.15);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: none;
  border-radius: 999px;
  padding: 0.65rem 1.2rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

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

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

.btn-secondary {
  background: #fff;
  color: var(--bb-navy);
  border: 1px solid var(--bb-gray-200);
}

.btn-secondary:hover {
  background: var(--bb-gray-100);
}

.btn-danger {
  background: #fff;
  color: var(--bb-red-dark);
  border: 1px solid #FECACA;
}

.btn-danger:hover {
  background: #FEE2E2;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
}

.alert {
  padding: 0.85rem 1rem;
  border-radius: 10px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.alert-error {
  background: #FEE2E2;
  color: #991B1B;
}

.alert-success {
  background: #DCFCE7;
  color: #166534;
}

.empty-state {
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--bb-text-muted);
}

.admin-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

@media (max-width: 991.98px) {
  .admin-table-wrap {
    overflow-x: auto;
  }

  .admin-table {
    min-width: 900px;
  }
}

@media (max-width: 575.98px) {
  .admin-main {
    padding: 1rem;
  }

  .admin-card {
    padding: 1.5rem;
  }
}