.event-registration-form {
    max-width: 800px;
    margin: 2em auto;
    padding: 2em;
    background: #fff;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    border-radius: 8px;
}

.form-header {
    text-align: center;
    margin-bottom: 2em;
}

.form-header h1 {
    color: #333;
    margin-bottom: 0.5em;
}

.form-header p {
    color: #666;
}

.form-step {
    margin-bottom: 2em;
}

.form-step h2 {
    color: #333;
    margin-bottom: 1em;
    padding-bottom: 0.5em;
    border-bottom: 2px solid #eee;
}

.form-group {
    margin-bottom: 1.5em;
}

.form-group label {
    display: block;
    margin-bottom: 0.5em;
    color: #333;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8em;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    height: auto;
}

.form-group input[type="checkbox"] {
    margin-right: 0.5em;
}

.form-group textarea {
    height: 100px;
}

.form-group select {
    background-color: #fff;
}

.help-text {
    font-size: 0.9em;
    color: #666;
    margin-top: 0.5em;
}

.form-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 2em;
    padding-top: 1em;
    border-top: 1px solid #eee;
}

.prev-step,
.next-step,
.submit-form {
    padding: 0.8em 2em;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.3s;
}

.prev-step {
    background-color: #6c757d;
    color: #fff;
}

.prev-step:hover {
    background-color: #5a6268;
}

.next-step {
    background-color: #007bff;
    color: #fff;
}

.next-step:hover {
    background-color: #0056b3;
}

.submit-form {
    background-color: #28a745;
    color: #fff;
}

.submit-form:hover {
    background-color: #218838;
}

button:disabled {
    background-color: #ccc !important;
    cursor: not-allowed;
}

#form-messages {
    margin-top: 1em;
    padding: 1em;
    border-radius: 4px;
}

#form-messages .success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

#form-messages .error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

#form-messages .loading {
    background-color: #e2e3e5;
    color: #383d41;
    border: 1px solid #d6d8db;
}

.error-message {
    color: #dc3545;
    font-size: 0.9em;
    margin-top: 0.5em;
    display: block;
}

@media (max-width: 768px) {
    .event-registration-form {
        padding: 1em;
        margin: 1em;
    }

    .form-navigation {
        flex-direction: column;
        gap: 1em;
    }

    .prev-step,
    .next-step,
    .submit-form {
        width: 100%;
    }
}