.admin-container {
  display: flex;
  min-height: 100vh;
  background: #f5f7fa;
}

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

.admin-logo {
  padding: 20px;
  font-size: 1.5rem;
  font-weight: bold;
  border-bottom: 1px solid #334155;
}

.admin-nav {
  flex: 1;
  padding: 10px 0;
  overflow-y: auto;
}

.nav-item {
  display: block;
  padding: 12px 20px;
  color: #cbd5e1;
  text-decoration: none;
  transition: all 0.2s;
}

.nav-item:hover {
  background: #334155;
  color: #fff;
}

.nav-item.active {
  background: #3b82f6;
  color: #fff;
}

.admin-user {
  padding: 15px 20px;
  border-top: 1px solid #334155;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.admin-user span {
  font-size: 0.9rem;
  word-break: break-all;
}

.admin-main {
  flex: 1;
  margin-left: 250px;
  padding: 20px;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.admin-header h1 {
  font-size: 1.8rem;
  color: #1e293b;
}

.admin-content {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

.data-table th,
.data-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}

.data-table th {
  background: #f8fafc;
  font-weight: 600;
  color: #475569;
}

.data-table tr:hover {
  background: #f8fafc;
}

.btn {
  padding: 8px 16px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.btn-primary {
  background: #3b82f6;
  color: #fff;
}

.btn-primary:hover {
  background: #2563eb;
}

.btn-secondary {
  background: #e2e8f0;
  color: #1e293b;
}

.btn-secondary:hover {
  background: #cbd5e1;
}

.btn-outline {
  background: transparent;
  border: 1px solid #cbd5e1;
  color: #cbd5e1;
}

.btn-outline:hover {
  background: #334155;
  color: #fff;
}

.btn-danger {
  background: #ef4444;
  color: #fff;
}

.btn-danger:hover {
  background: #dc2626;
}

.filter-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
  flex-wrap: wrap;
}

.filter-bar input,
.filter-bar select {
  padding: 8px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  font-size: 0.9rem;
}

.pagination {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 15px;
}

.pagination button {
  padding: 6px 12px;
  border: 1px solid #cbd5e1;
  background: #fff;
  cursor: pointer;
  border-radius: 4px;
}

.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  margin-bottom: 20px;
}

.stat-card {
  background: #f8fafc;
  padding: 15px;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}

.stat-card h3 {
  font-size: 0.9rem;
  color: #64748b;
  margin-bottom: 5px;
}

.stat-card p {
  font-size: 1.5rem;
  font-weight: bold;
  color: #1e293b;
}

.status-badge {
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.status-pending { background: #fef3c7; color: #92400e; }
.status-paid { background: #dbeafe; color: #1e40af; }
.status-fulfilled { background: #d1fae5; color: #065f46; }
.status-cancelled { background: #fee2e2; color: #991b1b; }
.status-refunded { background: #f3e8ff; color: #6b21a8; }
.status-active { background: #d1fae5; color: #065f46; }
.status-expired { background: #fee2e2; color: #991b1b; }
.status-paused { background: #fef3c7; color: #92400e; }

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  justify-content: center;
  align-items: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.modal-close {
  cursor: pointer;
  font-size: 1.5rem;
  background: none;
  border: none;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .admin-sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }
  .admin-main {
    margin-left: 0;
  }
  .admin-nav {
    display: flex;
    flex-wrap: wrap;
  }
  .nav-item {
    padding: 8px 12px;
  }
}