.invite-form {
    margin: 0 auto;
    padding: 10px;
}

.invite-form-group {
    margin-bottom: 20px;
}

.invite-form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #f0f0f0;
}

.invite-form-group input[type="text"],
.invite-form-group input[type="email"],
.invite-form-group input[type="tel"],
.invite-form-group input[type="number"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #555;
    border-radius: 4px;
    font-size: 16px;
    box-sizing: border-box;
    background: #2a2a2a;
    color: #f0f0f0;
}

.invite-form-group input:focus {
    outline: none;
    border-color: #fecb00;
    box-shadow: 0 0 5px rgba(254, 203, 0, 0.5);
}

.invite-form-group input::placeholder {
    color: #999;
}

.invite-form-group small {
    display: block;
    margin-top: 5px;
    color: #ccc;
    font-size: 14px;
}

.invite-submit-btn {
    width: 100%;
    padding: 12px;
    background: #fecb00;
    color: #000;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
    transition: background-color 0.3s;
}

.invite-submit-btn:hover {
    background: #e5b700;
}

.invite-submit-btn:disabled {
    background: #555;
    cursor: not-allowed;
}

#invite-form-message {
    margin-top: 20px;
    padding: 10px;
    border-radius: 4px;
}

#invite-form-message.success {
    background: #1e4d2b;
    color: #90ee90;
    border: 1px solid #2d5a3d;
}

#invite-form-message.error {
    background: #4d1e1e;
    color: #ff9999;
    border: 1px solid #5a2d2d;
}

#invite-form-message p {
    margin: 0;
}

/* Checkbox styling */
.invite-form-group input[type="checkbox"] {
    margin-right: 10px;
    transform: scale(1.2);
}

/* Sub-sections styling */
#plus_one_fields, #morning_drive_fields {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 4px;
    margin-top: 10px;
    border-left: 3px solid #fecb00 !important;
}

#plus_one_fields h4, #morning_drive_fields h4 {
    margin-top: 0;
    color: #f0f0f0;
    margin-bottom: 15px;
}