* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f3f4f6; }

.dashboard-layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 250px;
  background: #1e293b;
  color: white;
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
}

.sidebar-header { padding: 1.5rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
.sidebar-header h2 { font-size: 1.25rem; }

.sidebar-nav { flex: 1; padding: 1rem 0; }
.sidebar-link {
  display: block;
  padding: 0.75rem 1.5rem;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: all 0.2s;
}
.sidebar-link:hover { background: rgba(255,255,255,0.1); color: white; }

.sidebar-footer { padding: 1rem 1.5rem; border-top: 1px solid rgba(255,255,255,0.1); color: rgba(255,255,255,0.5); }

.dashboard-main { flex: 1; margin-left: 250px; }
.dashboard-content { padding: 2rem; max-width: 1200px; }

/* Cards */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; margin-bottom: 2rem; }
.stat-card {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.stat-card .label { font-size: 0.875rem; color: #6b7280; margin-bottom: 0.5rem; }
.stat-card .value { font-size: 2rem; font-weight: 700; color: #1e293b; }

/* Tables */
.table-wrapper { background: white; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
th { background: #f9fafb; padding: 0.75rem 1rem; text-align: left; font-size: 0.75rem; text-transform: uppercase; color: #6b7280; border-bottom: 1px solid #e5e7eb; }
td { padding: 0.75rem 1rem; border-bottom: 1px solid #f3f4f6; font-size: 0.875rem; }
tr:hover td { background: #f9fafb; }

/* Status badges */
.badge { display: inline-block; padding: 0.25rem 0.75rem; border-radius: 9999px; font-size: 0.75rem; font-weight: 600; }
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-paid { background: #d1fae5; color: #065f46; }
.badge-failed { background: #fee2e2; color: #991b1b; }
.badge-shipped { background: #dbeafe; color: #1e40af; }
.badge-delivered { background: #e0e7ff; color: #3730a3; }
.badge-refunded { background: #f3f4f6; color: #4b5563; }

/* Forms */
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.375rem; color: #374151; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 0.875rem;
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus { outline: none; border-color: #4f46e5; box-shadow: 0 0 0 3px rgba(79,70,229,0.1); }

/* Buttons */
.btn { display: inline-block; padding: 0.625rem 1.25rem; border-radius: 6px; font-size: 0.875rem; font-weight: 500; cursor: pointer; text-decoration: none; border: none; transition: all 0.2s; }
.btn-primary { background: #4f46e5; color: white; }
.btn-primary:hover { background: #4338ca; }
.btn-secondary { background: #e5e7eb; color: #374151; }
.btn-secondary:hover { background: #d1d5db; }
.btn-danger { background: #dc2626; color: white; }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.75rem; }

/* Filters */
.filters { display: flex; gap: 1rem; margin-bottom: 1.5rem; align-items: center; flex-wrap: wrap; }
.filters select, .filters input { padding: 0.5rem 0.75rem; border: 1px solid #d1d5db; border-radius: 6px; font-size: 0.875rem; }

/* Pagination */
.pagination { display: flex; gap: 0.5rem; justify-content: center; padding: 1rem; }
.pagination a { padding: 0.5rem 0.75rem; border: 1px solid #d1d5db; border-radius: 6px; text-decoration: none; color: #374151; font-size: 0.875rem; }
.pagination a.active { background: #4f46e5; color: white; border-color: #4f46e5; }

/* Alert */
.alert { padding: 1rem; border-radius: 6px; margin-bottom: 1.5rem; }
.alert-success { background: #d1fae5; color: #065f46; }
.alert-error { background: #fee2e2; color: #991b1b; }

h1 { font-size: 1.5rem; font-weight: 700; color: #1e293b; margin-bottom: 1.5rem; }
h2 { font-size: 1.25rem; font-weight: 600; color: #1e293b; margin-bottom: 1rem; }