.projects-section {
    padding: 4rem 0;
}

.projects-header {
    margin-bottom: 1.5rem;
}

.projects-subtitle {
    color: var(--text-secondary);
    max-width: 680px;
    margin-top: 0.4rem;
}

.projects-layout {
    display: grid;
    grid-template-columns: minmax(220px, 320px) 1fr;
    gap: 1.2rem;
    align-items: start;
}

.projects-list-panel,
.project-detail-card,
.project-empty {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.projects-list-panel {
    padding: 0.7rem;
}

.projects-list {
    display: grid;
    gap: 0.55rem;
}

.project-app-button {
    width: 100%;
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: var(--text-color);
    border-radius: 8px;
    padding: 0.85rem;
    text-align: left;
    cursor: pointer;
    display: grid;
    gap: 0.2rem;
}

.project-app-button:hover,
.project-app-button.is-active {
    border-color: var(--accent);
}

.project-app-name {
    font-weight: 700;
}

.project-app-meta,
.project-app-tagline,
.project-version-date,
.project-version-size,
.project-empty-small {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.project-version-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    min-width: 0;
}

.project-version-size.is-separated::before {
    content: "";
    display: inline-block;
    width: 1px;
    height: 1em;
    margin: 0 0.65rem;
    background: var(--border-color);
    vertical-align: -0.12em;
}

.project-detail-card {
    padding: 1.2rem;
    display: grid;
    gap: 1rem;
}

.project-detail-card[hidden],
.project-empty[hidden] {
    display: none;
}

.project-detail-top h3 {
    font-size: 2rem;
    line-height: 1.15;
    margin-bottom: 0.35rem;
}

.project-platforms,
.project-section-label {
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.project-github-link {
    color: var(--accent);
    display: inline-flex;
    font-weight: 700;
    margin-top: 0.55rem;
    text-decoration: none;
}

.project-github-link[hidden] {
    display: none;
}

.project-latest {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    background: var(--notice-bg-start);
    display: grid;
    gap: 0.45rem;
}

.project-latest h4 {
    font-size: 1.35rem;
}

.project-download {
    width: fit-content;
    margin-top: 0.25rem;
}

.project-download.is-disabled,
.project-version-download.is-disabled {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: auto;
}

.project-older {
    display: grid;
    gap: 0.7rem;
}

.project-gallery-section {
    display: grid;
    gap: 0.7rem;
}

.project-gallery-section[hidden] {
    display: none;
}

.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
    gap: 0.6rem;
}

.project-gallery-item {
    aspect-ratio: 1 / 1;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--input-bg);
    cursor: pointer;
    overflow: hidden;
    padding: 0;
}

.project-gallery-item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    background: rgba(0, 0, 0, 0.86);
    padding: 4rem;
}

.project-lightbox[hidden] {
    display: none;
}

.project-lightbox img {
    max-width: min(100%, 1100px);
    max-height: 86vh;
    border-radius: 8px;
    object-fit: contain;
}

.project-lightbox-close,
.project-lightbox-nav {
    position: fixed;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    cursor: pointer;
    font-size: 2rem;
    line-height: 1;
}

.project-lightbox-close {
    top: 1rem;
    right: 1rem;
    width: 2.75rem;
    height: 2.75rem;
}

.project-lightbox-nav {
    top: 50%;
    width: 3rem;
    height: 4rem;
    transform: translateY(-50%);
}

.project-lightbox-prev {
    left: 1rem;
}

.project-lightbox-next {
    right: 1rem;
}

.project-older[hidden] {
    display: none;
}

.project-older-list {
    display: grid;
    gap: 0.6rem;
}

.project-version-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.85rem;
    display: grid;
    gap: 0.25rem;
}

#project-description,
#project-latest-notes,
.project-version-card > p:not([class]) {
    white-space: pre-wrap;
}

.project-version-card h5 {
    font-size: 1rem;
}

.project-version-download {
    color: var(--accent);
    font-weight: 700;
    text-decoration: none;
    width: fit-content;
}

.project-changelog {
    margin-top: 0.4rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--input-bg);
    overflow: hidden;
}

.project-changelog summary {
    padding: 0.75rem 0.85rem;
    color: var(--text-color);
    cursor: pointer;
    font-weight: 700;
    user-select: none;
}

.project-changelog[open] summary {
    border-bottom: 1px solid var(--border-color);
}

.project-changelog-content {
    display: grid;
    gap: 0.5rem;
    padding: 0.85rem;
    color: var(--text-secondary);
    overflow-wrap: anywhere;
}

.project-empty {
    padding: 1.2rem;
}

@media (max-width: 760px) {
    .projects-section {
        padding: 2.5rem 0;
    }

    .projects-layout {
        grid-template-columns: 1fr;
    }

    .projects-list-panel,
    .project-detail-card,
    .project-empty {
        width: 100%;
    }

    .project-detail-top h3 {
        font-size: 1.55rem;
    }

    .project-latest,
    .project-version-card {
        padding: 0.85rem;
    }

    .project-download,
    .project-version-download {
        width: 100%;
        text-align: center;
    }

    .project-lightbox {
        padding: 3.5rem 0.75rem;
    }

    .project-lightbox-nav {
        width: 2.4rem;
        height: 3.4rem;
    }
}