/* Estilos para a navegação */
.main-nav {
    background-color: var(--neutral-color-high-pure);
    box-shadow: var(--shadow-level-1);
    padding: var(--spacing-03) var(--spacing-05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    height: 40px;
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-link {
    color: var(--neutral-color-low-dark);
    text-decoration: none;
    padding: var(--spacing-03) var(--spacing-04);
    margin-left: var(--spacing-03);
    border-radius: var(--border-radius-sm);
    transition: background-color 0.3s ease;
}

.nav-link:hover {
    background-color: var(--neutral-color-high-light);
}

.nav-button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-family-base);
    font-size: var(--font-size-xxs);
}

.logout-form {
    margin: 0;
    padding: 0;
}

/* Estilos para mensagens */
.messages {
    position: fixed;
    bottom: var(--spacing-05);
    right: var(--spacing-05);
    max-width: 300px;
    z-index: 1000;
}

.message {
    padding: var(--spacing-04);
    margin-bottom: var(--spacing-03);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-level-1);
    animation: slide-in 0.3s ease;
}

.message-success {
    background-color: var(--feedback-color-success-extra-light);
    color: var(--feedback-color-success-dark);
    border-left: 4px solid var(--feedback-color-success-pure);
}

.message-error, .message-danger {
    background-color: var(--feedback-color-helper-extra-light);
    color: var(--feedback-color-helper-dark);
    border-left: 4px solid var(--feedback-color-helper-pure);
}

.message-warning {
    background-color: var(--feedback-color-warning-extra-light);
    color: var(--feedback-color-warning-dark);
    border-left: 4px solid var(--feedback-color-warning-pure);
}

.message-info {
    background-color: var(--feedback-color-default-extra-light);
    color: var(--feedback-color-default-dark);
    border-left: 4px solid var(--feedback-color-default-pure);
}

@keyframes slide-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}