.main-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 2rem;
      display: grid;
      grid-template-columns: 250px 1fr 300px;
      gap: 2rem;
  }

  
  .sidebar {
      background-color: var(--surface);
      border-radius: var(--border-radius);
      padding: 1.5rem;
      height: fit-content;
      box-shadow: var(--shadow);
  }

  .sidebar h3 {
      margin-bottom: 1.5rem;
      padding-bottom: 0.75rem;
      border-bottom: 1px solid #2d3748;
  }

  .filter-group {
      margin-bottom: 1.5rem;
  }

  .filter-group h4 {
      margin-bottom: 0.75rem;
      font-size: 1rem;
  }

  .filter-options {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
  }

  .filter-option {
      display: flex;
      align-items: center;
      gap: 0.5rem;
  }

  .filter-option input {
      accent-color: var(--primary);
  }

  .filter-option label {
      cursor: pointer;
  }

  .price-range {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
  }

  .price-inputs {
      display: flex;
      gap: 0.5rem;
  }

  .price-inputs input {
      width: 100%;
      padding: 0.5rem;
      background-color: var(--bg);
      border: 1px solid #2d3748;
      border-radius: 4px;
      color: var(--text);
  }

  
  .tickets-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 1.5rem;
  }

  .ticket-card {
      background-color: var(--surface);
      border-radius: var(--border-radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: transform 0.3s;
  }

  .ticket-card:hover {
      transform: translateY(-5px);
  }

  .ticket-header {
      padding: 1.5rem;
      background-color: #1e293b;
      text-align: center;
  }

  .ticket-header h3 {
      font-size: 1.25rem;
      margin-bottom: 0.5rem;
  }

  .ticket-price {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--primary);
  }

  .ticket-body {
      padding: 1.5rem;
  }

  .ticket-description {
      color: var(--muted);
      margin-bottom: 1.5rem;
  }

  
  .number-selection {
      margin-bottom: 1.5rem;
  }

  .number-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 0.5rem;
      margin-bottom: 1rem;
  }

  .number-btn {
      width: 100%;
      aspect-ratio: 1;
      border: 1px solid #2d3748;
      background-color: var(--bg);
      color: var(--text);
      border-radius: 4px;
      cursor: pointer;
      transition: all 0.2s;
      font-weight: 600;
  }

  .number-btn:hover {
      border-color: var(--primary);
  }

  .number-btn.selected {
      background-color: var(--primary);
      color: var(--bg);
      border-color: var(--primary);
  }

  .number-controls {
      display: flex;
      gap: 0.5rem;
  }

  
  .keno-selection {
      margin-bottom: 1.5rem;
  }

  .keno-options {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
  }

  .keno-option {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0.75rem;
      background-color: var(--bg);
      border-radius: 4px;
      border: 1px solid #2d3748;
  }

  .keno-option.selected {
      border-color: var(--primary);
  }

  .keno-details {
      display: flex;
      flex-direction: column;
  }

  .keno-price {
      font-weight: 600;
      color: var(--primary);
  }

  
  .cart {
      background-color: var(--surface);
      border-radius: var(--border-radius);
      padding: 1.5rem;
      height: fit-content;
      box-shadow: var(--shadow);
      position: sticky;
      top: 100px;
  }

  .cart h3 {
      margin-bottom: 1.5rem;
      padding-bottom: 0.75rem;
      border-bottom: 1px solid #2d3748;
  }

  .cart-items {
      margin-bottom: 1.5rem;
      max-height: 300px;
      overflow-y: auto;
  }

  .cart-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0.75rem 0;
      border-bottom: 1px solid #2d3748;
  }

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

  .item-details h4 {
      font-size: 0.9rem;
      margin-bottom: 0.25rem;
  }

  .item-numbers {
      font-size: 0.8rem;
      color: var(--muted);
  }

  .item-controls {
      display: flex;
      align-items: center;
      gap: 0.5rem;
  }

  .item-quantity {
      display: flex;
      align-items: center;
      gap: 0.5rem;
  }

  .quantity-btn {
      width: 24px;
      height: 24px;
      border: none;
      background-color: var(--bg);
      color: var(--text);
      border-radius: 4px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
  }

  .remove-btn {
      color: #ef4444;
      background: none;
      border: none;
      cursor: pointer;
  }

  .cart-summary {
      border-top: 1px solid #2d3748;
      padding-top: 1rem;
  }

  .summary-row {
      display: flex;
      justify-content: space-between;
      margin-bottom: 0.5rem;
  }

  .summary-total {
      font-weight: 700;
      font-size: 1.1rem;
      border-top: 1px solid #2d3748;
      padding-top: 0.5rem;
      margin-top: 0.5rem;
  }

  .empty-cart {
      text-align: center;
      color: var(--muted);
      padding: 2rem 0;
  }

  
  .modal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.7);
      z-index: 2000;
      align-items: center;
      justify-content: center;
  }

  .modal.active {
      display: flex;
  }

  .modal-content {
      background-color: var(--surface);
      border-radius: var(--border-radius);
      width: 90%;
      max-width: 500px;
      max-height: 90vh;
      overflow-y: auto;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  }

  .modal-header {
      padding: 1.5rem;
      border-bottom: 1px solid #2d3748;
      display: flex;
      justify-content: space-between;
      align-items: center;
  }

  .modal-header h3 {
      margin: 0;
  }

  .close-modal {
      background: none;
      border: none;
      color: var(--text);
      font-size: 1.5rem;
      cursor: pointer;
  }

  .modal-body {
      padding: 1.5rem;
  }

  .form-group {
      margin-bottom: 1.5rem;
  }

  .form-group label {
      display: block;
      margin-bottom: 0.5rem;
      font-weight: 500;
  }

  .form-control {
      width: 100%;
      padding: 0.75rem;
      background-color: var(--bg);
      border: 1px solid #2d3748;
      border-radius: 4px;
      color: var(--text);
      font-family: inherit;
  }

  .form-control:focus {
      outline: none;
      border-color: var(--primary);
  }

  .payment-methods {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
      margin-bottom: 1.5rem;
  }

  .payment-method {
      display: flex;
      align-items: center;
      gap: 0.5rem;
  }

  .payment-method input {
      accent-color: var(--primary);
  }

  .checkbox-group {
      display: flex;
      align-items: flex-start;
      gap: 0.5rem;
      margin-bottom: 1rem;
  }

  .checkbox-group input {
      margin-top: 0.25rem;
      accent-color: var(--primary);
  }

  .checkbox-group label {
      font-size: 0.9rem;
  }

  .checkbox-group a {
      color: var(--primary);
  }

  .modal-footer {
      padding: 1.5rem;
      border-top: 1px solid #2d3748;
      display: flex;
      justify-content: flex-end;
      gap: 1rem;
  }

  
  .confirmation {
      text-align: center;
      padding: 2rem;
  }

  .confirmation i {
      font-size: 3rem;
      color: var(--primary);
      margin-bottom: 1rem;
  }

  .confirmation h3 {
      margin-bottom: 1rem;
  }

  .confirmation p {
      color: var(--muted);
      margin-bottom: 1.5rem;
  }

  .order-number {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      margin: 1rem 0;
  }

  
  footer {
      background-color: var(--surface);
      padding: 4rem 2rem 2rem;
      margin-top: 4rem;
  }

  .footer-container {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 2rem;
      margin-bottom: 3rem;
  }

  .footer-col h3 {
      margin-bottom: 1.5rem;
      font-size: 1.25rem;
  }

  .footer-col ul {
      list-style: none;
  }

  .footer-col ul li {
      margin-bottom: 0.75rem;
  }

  .footer-col a {
      color: var(--muted);
      text-decoration: none;
      transition: color 0.3s;
  }

  .footer-col a:hover {
      color: var(--primary);
  }

  .social-links {
      display: flex;
      gap: 1rem;
      margin-top: 1rem;
  }

  .social-links a {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background-color: var(--bg);
      border-radius: 50%;
      color: var(--text);
      transition: all 0.3s;
  }

  .social-links a:hover {
      background-color: var(--primary);
      color: var(--bg);
  }

  .footer-bottom {
      max-width: 1200px;
      margin: 0 auto;
      padding-top: 2rem;
      border-top: 1px solid #2d3748;
      text-align: center;
      color: var(--muted);
      font-size: 0.875rem;
  }

  .age-notice {
      display: inline-block;
      background-color: var(--accent);
      color: var(--bg);
      padding: 0.5rem 1rem;
      border-radius: 20px;
      font-weight: 600;
      margin-bottom: 1.5rem;
  }

  
  @media (max-width: 1024px) {
      .main-container {
          grid-template-columns: 1fr;
          grid-template-areas:
              "filters"
              "cart"
              "tickets";
      }

      .sidebar {
          grid-area: filters;
      }

      .tickets-container {
          grid-area: tickets;
      }

      .cart {
          grid-area: cart;
          position: static;
      }
  }

  @media (max-width: 768px) {
      .header-container {
          flex-direction: column;
          gap: 1rem;
      }

      nav ul {
          gap: 1rem;
      }

      .tickets-grid {
          grid-template-columns: 1fr;
      }

      .number-grid {
          grid-template-columns: repeat(5, 1fr);
      }
  }

  @media (max-width: 480px) {
      .main-container {
          padding: 1rem;
      }

      .modal-content {
          width: 95%;
      }

      .number-grid {
          grid-template-columns: repeat(4, 1fr);
      }
  }