main {
    padding: var(--spacing-xl) var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

main h1 {
    font-family: var(--font-family-secondary, 'Georgia', serif);
    font-size: var(--font-size-xxl, 2.5rem);
    color: var(--color-text-light, #fffffffb);
    text-align: center;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
}

#form-cadastro {
    width: 50%;
    max-width: 700px;
    background: var(--color-background-paper, #ffffff);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg, 16px);
    box-shadow: var(--box-shadow-lg, 0 8px 25px rgba(0, 0, 0, 0.15));
}

#form-cadastro fieldset {
    border: none;
    margin-bottom: var(--spacing-lg);
    padding: 0;
}

#form-cadastro legend {
    font-size: var(--font-size-lg, 1.25rem);
    font-weight: var(--font-weight-bold, 700);
    color: var(--color-primary-dark, #388E3C);
    margin-bottom: var(--spacing-md);
    width: 100%;
    border-bottom: 2px solid var(--color-border, #E0E0E0);
    padding-bottom: var(--spacing-sm);
}

.campo {
    margin-bottom: var(--spacing-md);
}

.campo:last-child {
    margin-bottom: 0;
}

.campo label {
    display: block;
    font-weight: var(--font-weight-bold, 700);
    margin-bottom: 8px;
    color: var(--color-neutral-dark, #616161);
}

.campo input[type="text"],
.campo input[type="date"],
.campo input[type="email"],
.campo input[type="tel"],
.campo select {
    width: 100%;
    padding: 14px;
    font-size: var(--font-size-md, 1rem);
    border: 2px solid var(--color-border, #E0E0E0);
    border-radius: var(--border-radius-md, 8px);
    transition: all 0.2s ease-in-out;
}

.campo input:focus,
.campo select:focus {
    outline: none;
    border-color: var(--color-primary, #4CAF50);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.3);
}
.btn {
    display: block;
    width: 100%;
    padding: 18px;
    background: var(--color-primary-dark, #388E3C);
    color: var(--color-text-light, #FFFFFF);
    border: none;
    border-radius: var(--border-radius-md, 8px);
    font-size: var(--font-size-lg, 1.25rem);
    font-weight: var(--font-weight-bold, 700);
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    margin-top: var(--spacing-sm);
}

.btn:hover {
    background: var(--color-primary, #4CAF50);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-md, 0 4px 15px rgba(0, 0, 0, 0.1));
}

.success-message {
    width: 100%;
    max-width: 700px; 
    background: var(--color-background-paper, #FFFFFF);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg, 16px);
    box-shadow: var(--box-shadow-lg, 0 8px 25px rgba(0, 0, 0, 0.15));
    text-align: center;
    animation: fadeIn 0.5s ease-in-out;

}

.success-message .icon {
    font-size: 4rem; 
    color: var(--color-success, #4CAF50);
    line-height: 1;
}

.success-message h2 {
    color: var(--color-primary-dark, #388E3C);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-family-secondary, 'Georgia', serif);
}
.success-message p {
    color: var(--color-neutral-dark, #616161);
    font-size: var(--font-size-lg, 1.25rem);
}
.campo input.invalid,
.campo select.invalid {
    border-color: #F44336;
}
.error-message {
    color: #F44336;
    font-size: 0.875rem;
    margin-top: 5px;
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@media (max-width: 768px) {
    main {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    #form-cadastro {
        padding: var(--spacing-md);
    }
}