body {
  background-color: #f8f9fa;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* ── Navbar ── */
.navbar-brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.navbar .nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  background: rgba(255, 255, 255, 0.12);
  color: #fff !important;
  border-radius: 6px;
}

.navbar .dropdown-toggle::after {
  vertical-align: 0.1em;
}

.navbar .dropdown-menu {
  margin-top: 4px;
  border-radius: 10px;
  min-width: 200px;
  padding: 6px;
}

.navbar .dropdown-menu .dropdown-item {
  border-radius: 6px;
  font-size: 0.875rem;
  padding: 7px 12px;
  transition: background 0.12s ease;
}

.navbar .dropdown-menu .dropdown-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.navbar .dropdown-menu .dropdown-item.active {
  background: rgba(255, 255, 255, 0.15);
  font-weight: 600;
}

/* ── Cards ── */
.card {
  border: none;
  border-radius: 10px;
}

.card-header {
  border-radius: 10px 10px 0 0 !important;
  font-weight: 600;
}

main {
  min-height: calc(100vh - 56px);
}

.screenshot-card {
  transition: all 0.3s ease;
}

.screenshot-card:hover {
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

.list-group-item {
  border-left: none;
  border-right: none;
}

.list-group-item:first-child {
  border-top: none;
}

.list-group-item:last-child {
  border-bottom: none;
}

.table th {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.875rem;
  color: #6c757d;
}

.badge {
  padding: 0.375rem 0.75rem;
  font-weight: 500;
}

.btn {
  border-radius: 6px;
  font-weight: 500;
}

.form-control,
.form-select {
  border-radius: 6px;
}

.modal-content {
  border-radius: 10px;
}