.open-btn {
    padding: 14px 28px;
    font-size: 18px;
    background: #4f638a;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
  }
  .open-btn:hover {
    background: #323e57;
    color: white;
  }
  .arrivalModal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(3px);
  }
  .arrivalModal-overlay.active {
    display: flex;
  }
  .arrivalModal {
    background: white;
    border-radius: 16px;
    max-width: 480px;
    width: 90%;
    padding: 30px 35px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    position: relative;
    animation: modalFadeIn 0.3s ease;
  }
  @keyframes modalFadeIn {
    from { opacity: 0; transform: scale(0.95) translateY(-20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
  }
  .arrivalModal-close {
    position: absolute;
    top: 14px;
    right: 20px;
    font-size: 28px;
    line-height: 1;
    background: none;
    border: none;
    cursor: pointer;
    color: #888;
    transition: color 0.2s;
  }
  .arrivalModal-close:hover { color: #333; }
  .arrivalModal-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #1e293b;
  }
  .arrival-form-group {
    margin-bottom: 18px;
  }
  .arrival-form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    color: #334155;
    font-size: 14px;
  }
  .arrival-form-group input,
  .arrival-form-group textarea {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    transition: border 0.2s;
    outline: none;
    background: #fafbfc;
    font-family: inherit;
  }
  .arrival-form-group input:focus,
  .arrival-form-group textarea:focus {
    border-color: #2c7be5;
    box-shadow: 0 0 0 3px rgba(44,123,229,0.15);
    background: white;
  }
  .arrival-form-group textarea {
    resize: vertical;
    min-height: 80px;
  }
  .submit-btn {
    width: 100%;
    padding: 8px;
    font-size: 16px;
    font-weight: 600;
    background: #4f638a;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 12px;
  }
  .submit-btn:hover {
    background: #323e57;
  }
  .success-message {
    display: none;
    text-align: center;
    padding: 20px 0;
  }
  .success-message.show {
    display: block;
  }
  .success-message .icon {
    font-size: 48px;
    color: #22c55e;
    margin-bottom: 12px;
  }
  .success-message .text {
    font-size: 20px;
    font-weight: 500;
    color: #1e293b;
  }
  .success-message .sub {
    font-size: 14px;
    color: #64748b;
    margin-top: 8px;
  }
  .form-content.hidden {
    display: none;
  }