header {
    background-color: var(--primary-color);
    color: var(--text-light-color);
    padding: 1rem;
    text-align: center;
    box-shadow: var(--box-shadow);
    position: relative;
}

#notification-container {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

main {
    padding: 1rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 320px) {
    main {
        padding: 1rem;
    }
}

@media (min-width: 768px) {
    main {
        grid-template-columns: 1fr 1fr;
        padding: 2rem;
    }
}

@media (min-width: 1440px) {
    main {
        grid-template-columns: 2fr 1fr;
        padding: 2rem 3rem;
    }
}

section h2, section h3 {
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    position: relative;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
}

section h2::after, section h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent-color);
}

#reports {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: var(--text-light-color);
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    box-shadow: var(--box-shadow);
}

#reports h3 {
    margin-top: 0;
    color: var(--background-color);
}

@media (min-width: 768px) {
    #reports {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

::-webkit-scrollbar-thumb {
    background-color: var(--primary-color);
    border-radius: 20px;
    border: 3px solid var(--background-color);
}