html {
  font-size: 14px;
  position: relative;
  min-height: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  margin: 0;
  background-color: #f4f6f9;
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.admin-shell {
  min-height: 100vh;
}

.admin-sidebar {
  width: 260px;
  min-height: 100vh;
  background: #1e293b;
  color: #e2e8f0;
  flex-shrink: 0;
}

.admin-sidebar .brand {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1.1rem;
  border-bottom: 1px solid #334155;
  color: #fff;
}

.admin-sidebar .nav-link {
  color: #cbd5e1;
  padding: 0.65rem 1.5rem;
  border-radius: 0;
  border-left: 3px solid transparent;
}

.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
  color: #fff;
  background: #334155;
  border-left-color: #3b82f6;
}

.admin-main {
  flex: 1;
  min-width: 0;
  padding: 1.5rem;
}

.admin-page-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.admin-page-subtitle {
  color: #64748b;
  margin-bottom: 1.25rem;
}

.admin-card {
  border: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.admin-card .card-header {
  background: #fff;
  font-weight: 600;
  border-bottom: 1px solid #e2e8f0;
}

.table-admin thead th {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: #64748b;
  font-weight: 600;
  white-space: nowrap;
}

.table-admin tbody td {
  vertical-align: middle;
}

.badge-type-broker {
  background-color: #dbeafe;
  color: #1d4ed8;
}

.badge-type-driver {
  background-color: #dcfce7;
  color: #15803d;
}

.comment-preview {
  max-width: 280px;
  color: #475569;
  font-size: 0.9rem;
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

.login-card {
  max-width: 420px;
  width: 100%;
  border: none;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

@media (max-width: 767.98px) {
  .admin-sidebar {
    width: 100%;
    min-height: auto;
  }

  .admin-shell {
    flex-direction: column;
  }
}