.filter-container {
      background: white;
      padding: 20px;
      box-shadow: 0 2px 10px rgba(0,0,0,0.1);
      max-width: 1000px;
      margin: 20px auto;
      border-radius: 10px;
    }

    .toggle-btn {
      background: #04a3d3;
      color: white;
      padding: 10px 20px;
      border: none;
      border-radius: 5px;
      margin-bottom: 15px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: bold;
      font-size: 16px;
      transition: background 0.3s;
    }

    .toggle-btn:hover {
      background: #00bfff;
    }

    .filters {
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
      transition: all 0.3s ease-in-out;
    }

    .form-group {
      flex: 1 1 200px;
      display: flex;
      flex-direction: column;
    }

    .full-width {
      flex: 1 1 100%;
    }

    label {
      margin-bottom: 5px;
      font-weight: bold;
      color: #333;
    }

    input, select {
      padding: 12px;
      border-radius: 6px;
      border: 1px solid #ddd;
      font-size: 16px;
      background: #f9f9f9;
      transition: border 0.3s;
    }

    input:focus, select:focus {
      border-color: #00bfff;
      outline: none;
      background: #fff;
    }

    button[type="submit"] {
      margin: auto;
      background: #04a3d3;
      color: white;
      border: none;
      padding: 12px;
      font-size: 16px;
      font-weight: bold;
      border-radius: 6px;
      cursor: pointer;
      transition: background 0.3s;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    button[type="submit"]:hover {
      background: #00bfff;
    }

    .arrow {
      font-size: 18px;
      transition: transform 0.3s ease-in-out;
    }

    .filters-hidden .arrow {
      transform: rotate(0deg);
    }

    .filters-visible .arrow {
      transform: rotate(180deg);
    }

    @media (max-width: 600px) {
      .form-group {
        flex: 1 1 100%;
        margin-bottom: 10px;
      }

      .toggle-btn {
        width: 100%;
      }
    }

    /* تصميم إضافي للعنوان */
    .header {
      text-align: center;
      margin-bottom: 30px;
      padding: 20px;
      background: linear-gradient(135deg, #19a2ce, #00bfff, #19a2ce);

      color: white;
      border-radius: 10px;
    }

    .header h1 {
      margin: 0;
      font-size: 28px;
    }

    .header p {
      margin: 10px 0 0;
      opacity: 0.9;
    }