.sfp-registration-form {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

.form-step h3 {
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #eee;
}

.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    flex: 1;
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.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: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

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

.radio-group,
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: normal;
}

.shirt-order {
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: #f9f9f9;
    border-radius: 4px;
    border: 1px solid #eee;
}

.shirt-order h4 {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.free-tag {
    background: #4CAF50;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

.paid-tag {
    background: #2196F3;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

.button {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.button.primary {
    background: #4CAF50;
    color: white;
}

.button.primary:hover {
    background: #45a049;
}

.button.secondary {
    background: #f0f0f0;
    color: #333;
}

.button.secondary:hover {
    background: #e4e4e4;
}

.button-link {
    background: none;
    border: none;
    color: #dc3545;
    padding: 0;
    font-size: 0.875rem;
    cursor: pointer;
}

.button-link:hover {
    text-decoration: underline;
}

.form-navigation {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

.notice {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 4px;
}

.notice.info {
    background: #e3f2fd;
    border: 1px solid #90caf9;
    color: #1976d2;
}

.error {
    border-color: #dc3545 !important;
}

.checkbox-group.error,
.radio-group.error {
    padding: 0.5rem;
    border: 1px solid #dc3545;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .sfp-registration-form {
        padding: 1rem;
        margin: 1rem;
    }
}