.apb-booking-container {
    max-width: 500px;
    margin: 20px auto;
    padding: 25px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.apb-booking-container h3 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 22px;
    text-align: center;
    color: #2b6cb0;
}

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

.apb-form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #4a5568;
}

.apb-form-group input, 
.apb-form-group select, 
.apb-form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #cbd5e0;
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
}

#apb-submit-btn {
    width: 100%;
    padding: 12px;
    background-color: #2b6cb0;
    color: #ffffff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s ease;
}

#apb-submit-btn:hover {
    background-color: #2c5282;
}

#apb-form-message {
    margin-top: 15px;
    text-align: center;
    font-weight: 600;
}
.apb-success { color: #2f855a; }
.apb-error { color: #c53030; }