/* ─── Prototype gallery layout ──────────────────────────────────────────── */

.prototype-layout {
    --page-accent: var(--tinkido-secondary);
    --page-accent-bg: var(--tinkido-secondary-bg);
    --page-accent-strong: var(--tinkido-secondary-text);
    --card-placeholder-color: var(--tinkido-secondary);
    max-width: var(--width-fullscreen);
    width: 100%;
    background-color: var(--tinkido-paper-bg);
    background-image: var(--texture-page);
    background-position: center;
    background-repeat: repeat;
    margin: 0 auto;
    padding: 0 0 3rem;
    flex: 1;
}

/* ─── Gallery grid ──────────────────────────────────────────────────────── */

.prototype-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
    gap: 1.5rem;
    margin-inline: 1rem;
    margin-block: 1rem;
    padding: 0 1rem;
}

.prototype-gallery__empty {
    padding: 2rem 1.5rem;
    color: var(--tinkido-gold-dim);
    font-style: italic;
}

/* ─── Gallery tile ──────────────────────────────────────────────────────── */

.proto-tile {
    display: flex;
    flex-direction: column;
    border-top: 5px solid var(--tinkido-secondary);
}

.proto-tile__link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.proto-tile__img-wrap {
    aspect-ratio: 4 / 3;
}

.proto-tile__img {
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.proto-tile:hover .proto-tile__img,
.proto-tile:focus-within .proto-tile__img {
    transform: scale(1.04);
}

.proto-tile__body {
    padding: 0.75rem 1rem 1rem;
    gap: 0.3rem;
}

.proto-tile__date {
    font-family: var(--font-brand);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--tinkido-secondary-text);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.proto-tile__title {
    margin: 0;
    font-size: 1rem;
    color: var(--tinkido-ink);
    line-height: var(--line-height-base);
}

.proto-tile:hover .proto-tile__title,
.proto-tile:focus-within .proto-tile__title {
    color: var(--tinkido-secondary-text);
}

.proto-tile__intro {
    font-size: 0.95rem;
}

/* ─── Prototype-specific detail page ────────────────────────────────────── */

.proto-detail {
    background: var(--tinkido-paper-bg);
}

.proto-detail .combined-header__controls {
    background-image: var(--texture-hero);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.proto-detail__hero {
    width: 100%;
    max-height: 420px;
    overflow: hidden;
}

.proto-detail__hero-img {
    display: block;
    width: 100%;
    object-fit: cover;
    max-height: 420px;
}

.proto-detail__inner {
    box-sizing: border-box;
    width: min(calc(100% - 2rem), var(--measure-reading));
    margin-inline: auto;
    margin-block: 1rem;
    overflow-wrap: anywhere;
}

.proto-detail__header {
    display: grid;
    background-image: var(--texture-hero);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.proto-detail__header .proto-detail__inner {
    padding: 0 1rem 4rem;
}

.prototype-layout--detail > .breadcrumb {
    box-sizing: border-box;
    width: min(calc(100% - 2rem), var(--measure-reading));
    margin-inline: auto;
}

.proto-detail__date {
    display: block;
    font-family: var(--font-brand);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--tinkido-secondary-text);
    margin-bottom: 0.4rem;
}

.proto-detail__title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--tinkido-brown);
    margin: 0 0 0.75rem;
}

.proto-detail__intro {
    font-size: 1.05rem;
    color: var(--tinkido-gold-dim);
    font-style: italic;
    margin: 0 0 1.5rem;
    line-height: var(--line-height-base);
}

.proto-detail__body {
    font-size: 1rem;
    line-height: var(--line-height-base);
    color: var(--tinkido-body-text);
}

/* ─── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
    .prototype-gallery {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 1rem;
        padding: 0 1rem;
    }

    .proto-detail__inner {
        width: min(100%, var(--measure-reading));
        margin-inline: 0;
        padding: 1rem;
    }

    .prototype-layout--detail > .breadcrumb {
        width: min(100%, var(--measure-reading));
        margin-inline: 0;
    }
}