.change-theme {
    color: var(--black-color);
}

body.dark-theme .change-theme {
    color: var(--white-color);
}

.body__project {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.header__project {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    background-color: var(--body-color);
    z-index: var(--z-fixed);
    transition: box-shadow .4s, background-color .4s;
}

.header__project {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    height: auto;
    padding: 1rem 2rem;
}

.project__content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 8rem 1rem 2rem 1rem;
}

.project__intro {
    margin-bottom: 1rem;
    font-size: var(--small-font-size);
    color: var(--text-color);
}

.project__main-columns {
    display: flex;
    flex-direction: row;
    gap: 2rem;
    align-items: flex-start;
}

#page-publications .project__gallery-masonry {
    display: flex;
    flex-direction: row;
    justify-content: left;
    flex-wrap: wrap;
    gap: 2rem;
}

#page-publications .masonry-item {
    grid-row-end: auto;
}

#page-publications .masonry-item .content {
    max-width: 350px;
    margin: 0 auto;
}

#page-emailings .project__gallery-masonry {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.project__gallery-masonry {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    grid-auto-rows: 10px;
    gap: 6px;
    width: 100%;
    flex: 1 1 70%;
}

.masonry-item {
    grid-row-end: span var(--row-span, 1);
}

.masonry-item .content {
    background: var(--white-color);
    padding: 0.5rem;
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    word-break: break-word;
}

.masonry-item .content:hover {
    cursor: pointer;
}

.dark-theme .masonry-item .content {
    background: var(--container-color);
}

.masonry-item img {
    width: 100%;
    height: auto;
    display: block;
    margin-bottom: 0.5rem;
}

.masonry-item p {
    font-size: var(--small-font-size);
    color: var(--text-color);
}

.project__tools {
    flex: 0 0 30%;
    max-width: 30%;
    position: sticky;
    top: 100px;
    align-self: flex-start;
    background-color: var(--white-color);
    padding: 1rem;
    border-left: 4px solid var(--first-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.dark-theme .project__tools {
    background-color: var(--container-color);
}

.project__tools h2 {
    font-size: var(--h3-font-size);
    margin-bottom: 0.5rem;
}

.dark-theme .project__tools h2 {
    color: var(--black2-color);
}

.project__tools ul {
    list-style: disc inside;
    color: var(--text-color);
    padding-left: 1rem;
}

.project__gallery-extra {
    margin-top: 2rem;
}

.project__gallery-extra h2 {
    font-size: var(--h3-font-size);
    margin-bottom: 1rem;
}

.extra-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    inset: 0;
    backdrop-filter: blur(12px);
    background-color: rgba(255, 255, 255, 0.1);
    -webkit-backdrop-filter: blur(12px);
    justify-content: center;
    align-items: center;
    padding: 2rem;
    box-sizing: border-box;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    overflow: auto;
}

.lightbox-title {
    color: var(--black2-color);
    font-size: 1.2rem;
    font-weight: 500;
    max-width: 90%;
    text-align: center;
    word-break: break-word;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.dark-theme .lightbox-title {
    color: var(--white-color);
}

.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 1rem;
    object-fit: contain;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 2.5rem;
    color: var(--black2-color);
    padding: 0.2rem 0.6rem;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10000;
}

.extra-gallery .footer__link {
    color: var(--black2-color) !important;
}

@media screen and (max-width: 768px) {
    .project__content {
        padding-top: 5rem;
        max-width: 900px;
    }
}

@media (max-width: 600px) {
    .project__gallery-masonry {
        grid-template-columns: repeat(auto-fill, minmax(50%, 1fr));
    }

    .project__main-columns {
        flex-direction: column;
    }

    .project__tools {
        position: static;
        border-left: none;
        box-shadow: none;
        order: -1;
        flex: 1;
        max-width: 100%;
    }
}