.setting-container {
    background-color: #f5f5f5;
    min-height: 85vh;
    padding: 30px 0;
  }

  .page-title {
    text-align: center;
    margin-bottom: 40px;
  }

  .page-title h1 {
    font-size: 32px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
  }

  .page-title p {
    color: #757575;
    font-size: 15px;
  }

  .setting-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    margin-bottom: 20px;
    transition: all 0.2s ease;
    border: 1px solid #e0e0e0;
  }

  .setting-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  }

  .card-header-custom {
    padding: 16px 20px;
    background-color: #fafafa;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .card-header-custom h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #333;
  }

  .card-header-custom .material-icons {
    font-size: 22px;
    color: #616161;
  }

  .setting-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .setting-list li {
    border-bottom: 1px solid #f0f0f0;
  }

  .setting-list li:last-child {
    border-bottom: none;
  }

  .setting-list a {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    color: #555;
    text-decoration: none !important;
    transition: all 0.15s ease;
    font-size: 14px;
    cursor: pointer;
  }

  .setting-list a:hover {
    background-color: #f5f5f5;
    color: #1976d2;
  }

  .setting-list a .material-icons {
    font-size: 18px;
    margin-right: 10px;
    color: #9e9e9e;
    transition: color 0.15s ease;
  }

  .setting-list a:hover .material-icons {
    color: #1976d2;
  }

  .setting-list a.text-danger {
    color: #d32f2f;
  }

  .setting-list a.text-danger .material-icons {
    color: #d32f2f;
  }

  .setting-list a.text-danger:hover {
    background-color: #ffebee;
  }

  @media (max-width: 768px) {
    .page-title h1 {
      font-size: 26px;
    }

    .setting-card {
      margin-bottom: 14px;
    }

    .card-header-custom {
      padding: 14px 16px;
    }

    .setting-list a {
      padding: 12px 16px;
    }
  }

  
    .seat-table th {
        font-size: 0.8rem;
        font-weight: 600;
        color: #6c757d;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        border-top: none;
        border-bottom: 2px solid #dee2e6;
        padding: 0.6rem 0.75rem;
        background: #fff;
        position: sticky;
        top: 0;
        z-index: 1;
    }
    .seat-table td {
        vertical-align: middle;
        padding: 0.55rem 0.75rem;
    }
    .seat-table tr:hover td {
        background-color: #f8f9fa;
    }
    .table-scroll {
        overflow-y: auto;
        height: 70vh;
        border: 1px solid #dee2e6;
        border-radius: 0 0 6px 6px;
    }

    /* Chrome, Safari, Edge, Opera */
    input::-webkit-outer-spin-button,
    input::-webkit-inner-spin-button {
        -webkit-appearance: none;
        margin: 0;
    }

    /* Firefox */
    input[type=number] {
        -moz-appearance: textfield;
    }

    .form-control:focus {
        border-color: #80bdff;
        box-shadow: 0 0 0 3px rgba(0,123,255,.15);
    }
    label {
        font-weight: 500;
        margin-bottom: 0.2rem;
    }
    .btn-remove-barcode > span {
        font-size: 1rem;
        vertical-align: middle;
    }
    .section-card {
        padding: 0.75rem 0;
        border-bottom: 1px solid #e9ecef;
        margin-bottom: 0.75rem;
    }
    .section-card:last-of-type {
        border-bottom: none;
    }
    .section-title {
        font-size: 0.8rem;
        font-weight: 600;
        color: #6c757d;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin-bottom: 0.6rem;
    }
    .item-preview {
        width: 240px;
        min-width: 240px;
        /* height: 180px; */
        aspect-ratio: 1.9 / 1;
        border: 1px solid #dee2e6;
        border-radius: 6px;
        overflow: hidden;
        background: linear-gradient(180deg, #fff 0%, #f3f3f3 100%);
        position: relative;
        font-weight: bold;
        font-size: 0.9rem;
        color: #444;
    }
    .item-preview-label {
        padding: 0.4rem 0.6rem;
        line-height: 1.2;
        text-align: center;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 100%;
        font-size: 1.2rem;
    }
    .item-preview-price {
        position: absolute;
        right: 5%;
        bottom: 5%;
        font-size: 0.9rem;
        color: #444;
    }
    .item-preview img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .item-preview-footer {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.2rem 0.4rem;
        font-size: 0.9rem;
        color: #495057;
        background: white;
        position: absolute;
        bottom: 0;
        width: 100%;
    }
    
    .item-table th {
        font-size: 0.8rem;
        font-weight: 600;
        color: #6c757d;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        border-top: none;
        border-bottom: 2px solid #dee2e6;
        padding: 0.6rem 0.75rem;
        background: #fff;
        position: sticky;
        top: 0;
        z-index: 1;
    }
    .item-table td {
        vertical-align: middle;
        padding: 0.55rem 0.75rem;
        max-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .item-table tr:hover td {
        background-color: #f8f9fa;
    }
    .status-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        display: inline-block;
    }
    .table-scroll {
        overflow-y: auto;
        height: 70vh;
        border: 1px solid #dee2e6;
        border-radius: 0 0 6px 6px;
    }