/* =============================================================
   Templates Hub — glassmorphism + bento grid
   Scoped to .tpl-hub and .tpl-detail so it never leaks.
   Uses site.css theme tokens: --bg, --bg2, --bg3, --border,
   --text, --muted, --heading, --cyan, --pink, --gold, --card,
   --ff-body, --ff-head, --ff-mono, --r.
   ============================================================= */

.tpl-hub,
.tpl-detail {
    --gap: 1.25rem;
    --accent: var(--cyan);
    color: var(--text);
    padding: 6.5rem 2rem 5rem;
    max-width: 100%;
    margin: 0 auto;
}

/* Detail pages sit under the fixed site header. Keep breadcrumbs/back below it. */
.tpl-detail {
    padding-top: 9.25rem;
}

@media (min-width: 768px) {
    .tpl-hub {
        padding: 8rem 3.5rem 6rem;
    }

    .tpl-detail {
        padding: 4.5rem 3.5rem 6rem;
    }
}

/* ------------------------------- Head ------------------------------- */
.tpl-hub__head {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: .85rem;
    margin-bottom: 2.5rem;
    max-width: 720px;
}

.tpl-hub__kicker,
.tpl-detail__kicker {
    font-family: var(--ff-mono);
    font-size: .7rem;
    letter-spacing: .25em;
    text-transform: uppercase;
    color: var(--cyan);
    display: inline-flex;
    align-items: center;
    gap: .65rem;
}

.tpl-hub__kicker::before,
.tpl-detail__kicker::before {
    content: "";
    width: 22px;
    height: 1px;
    background: var(--cyan);
    display: inline-block;
}

.tpl-hub__title,
.tpl-detail__title {
    font-family: var(--ff-head);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: .98;
    letter-spacing: .02em;
    color: var(--heading);
}

.tpl-hub__sub {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--muted);
    max-width: 56ch;
}

.tpl-hub__stats {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    font-family: var(--ff-mono);
    font-size: .72rem;
    letter-spacing: .08em;
    color: var(--muted);
}

.tpl-hub__stats strong {
    color: var(--heading);
    font-weight: 700;
}

/* ------------------------------- Search ------------------------------- */
.tpl-hub__search {
    display: flex;
    align-items: center;
    gap: .65rem;
    width: 100%;
    max-width: 460px;
    padding: .7rem .9rem;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: border-color .2s, background .2s, transform .2s;
    color: var(--muted);
}

.tpl-hub__search:focus-within {
    border-color: var(--cyan);
    background: rgba(0, 232, 212, .04);
    transform: translateY(-1px);
}

.tpl-hub__search input {
    flex: 1;
    background: transparent;
    border: 0;
    outline: 0;
    color: var(--heading);
    font-family: inherit;
    font-size: .95rem;
    min-width: 0;
}

.tpl-hub__search input::placeholder {
    color: var(--muted);
}

.tpl-hub__kbd {
    font-family: var(--ff-mono);
    font-size: .7rem;
    padding: .15rem .45rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .03);
    color: var(--muted);
}

/* ------------------------------- Grid (bento) ------------------------------- */
.tpl-hub__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--gap);
}

@media (min-width: 720px) {
    .tpl-hub__grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* ------------------------------- Card ------------------------------- */
.tpl-card {
    --accent: var(--cyan);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: .8rem;
    padding: 1.5rem;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: var(--card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    overflow: hidden;
    isolation: isolate;
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
    text-decoration: none;
    color: inherit;
    min-height: 220px;
}

@media (min-width: 720px) {
    .tpl-card {
        grid-column: span 3;
    }
    .tpl-card--hero {
        grid-column: span 4;
        grid-row: span 2;
        min-height: 340px;
        padding: 2rem;
    }
    .tpl-card--mini {
        grid-column: span 2;
    }
}

.tpl-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--accent) 18%, transparent), transparent 55%);
    opacity: .85;
    pointer-events: none;
    transition: opacity .35s ease;
    z-index: -1;
}

.tpl-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 50%, transparent), transparent 55%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity .25s ease;
    pointer-events: none;
}

.tpl-card:hover,
.tpl-card:focus-within {
    transform: translateY(-3px);
    border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
    box-shadow: 0 30px 60px -30px color-mix(in srgb, var(--accent) 55%, transparent);
}

.tpl-card:hover::after,
.tpl-card:focus-within::after {
    opacity: 1;
}

.tpl-card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
}

.tpl-card__icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    color: var(--accent);
    border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
}

.tpl-card--hero .tpl-card__icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
}

.tpl-card__category {
    font-family: var(--ff-mono);
    font-size: .68rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--muted);
}

.tpl-card__title {
    font-family: var(--ff-head);
    font-size: clamp(1.6rem, 2.6vw, 2.4rem);
    line-height: 1.05;
    letter-spacing: .01em;
    color: var(--heading);
    margin: 0;
}

.tpl-card__desc {
    font-size: .92rem;
    line-height: 1.55;
    color: var(--muted);
    max-width: 60ch;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tpl-card--hero .tpl-card__desc {
    font-size: 1.02rem;
    -webkit-line-clamp: 4;
}

.tpl-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.tpl-card__tags li {
    font-family: var(--ff-mono);
    font-size: .68rem;
    letter-spacing: .05em;
    padding: .25rem .6rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--border);
    color: var(--muted);
}

[data-theme="light"] .tpl-card__tags li {
    background: rgba(0, 0, 0, .04);
}

.tpl-card__footer {
    margin-top: auto;
    display: flex;
    gap: .55rem;
    flex-wrap: wrap;
}

.tpl-card__open,
.tpl-card__copy {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-family: var(--ff-mono);
    font-size: .75rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: .55rem .9rem;
    border-radius: 10px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .15s, background .2s, color .2s, border-color .2s, box-shadow .2s;
    min-height: 44px;
}

.tpl-card__open {
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 92%, #fff 8%), var(--accent));
    color: #07090e;
    border-color: color-mix(in srgb, var(--accent) 70%, #fff 10%);
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 14px 30px -20px color-mix(in srgb, var(--accent) 80%, transparent);
}

.tpl-card__open:hover,
.tpl-card__open:focus-visible {
    transform: translateY(-1px);
    background: var(--heading);
    color: var(--bg);
    border-color: var(--heading);
    box-shadow: 0 18px 38px -24px color-mix(in srgb, var(--heading) 70%, transparent);
}

.tpl-card__copy {
    background: transparent;
    color: var(--muted);
    border-color: var(--border);
}

.tpl-card__copy:hover,
.tpl-card__copy:focus-visible {
    color: var(--heading);
    border-color: var(--accent);
}

.tpl-card__copy.is-copied {
    color: var(--cyan);
    border-color: var(--cyan);
}

/* ------------------------------- Empty state ------------------------------- */
.tpl-hub__empty {
    padding: 2rem;
    border: 1px dashed var(--border);
    border-radius: 16px;
    color: var(--muted);
    text-align: center;
}

.tpl-hub__empty code {
    font-family: var(--ff-mono);
    color: var(--cyan);
    background: rgba(0, 232, 212, .08);
    padding: .1rem .35rem;
    border-radius: 6px;
}

/* Hidden by search filter */
.tpl-card.is-hidden {
    display: none;
}

/* ------------------------------- Detail page ------------------------------- */
.tpl-detail__nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .75rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.tpl-detail__back {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    text-decoration: none;
    color: var(--muted);
    font-family: var(--ff-mono);
    font-size: .78rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: .55rem .9rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    min-height: 44px;
    transition: color .2s, border-color .2s, transform .15s;
}

.tpl-detail__back:hover,
.tpl-detail__back:focus-visible {
    color: var(--heading);
    border-color: var(--cyan);
    transform: translateX(-2px);
}

.tpl-detail__crumbs {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-family: var(--ff-mono);
    font-size: .72rem;
    letter-spacing: .08em;
    color: var(--muted);
}

.tpl-detail__crumbs a {
    color: var(--muted);
    text-decoration: none;
}

.tpl-detail__crumbs a:hover {
    color: var(--heading);
}

.tpl-detail__crumbs span[aria-current] {
    color: var(--heading);
}

.tpl-detail__head {
    --accent: var(--cyan);
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    padding: 1.5rem;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: var(--card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    margin-bottom: 1.5rem;
}

@media (min-width: 720px) {
    .tpl-detail__head {
        align-items: center;
        padding: 2rem;
    }
}

.tpl-detail__icon {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    color: var(--accent);
    border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
}

.tpl-detail__title {
    margin: .25rem 0 .45rem;
    font-size: clamp(2rem, 4.5vw, 3rem);
}

.tpl-detail__desc {
    margin: 0 0 .8rem;
    color: var(--muted);
    line-height: 1.55;
    max-width: 70ch;
}

.tpl-detail__tags {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.tpl-detail__tags li {
    font-family: var(--ff-mono);
    font-size: .7rem;
    padding: .3rem .7rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .04);
    color: var(--muted);
}

[data-theme="light"] .tpl-detail__tags li {
    background: rgba(0, 0, 0, .04);
}

.tpl-detail__panel {
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: 1.25rem;
    overflow: hidden;
}

@media (min-width: 720px) {
    .tpl-detail__panel {
        padding: 1.75rem;
    }
}

/* ------------------------------- Category sections ------------------------------- */
.tpl-hub__categories {
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
    margin-top: 2.5rem;
}

.tpl-category {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transition: opacity .25s ease;
}

.tpl-category.is-hidden {
    display: none;
}

.tpl-category__head {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    flex-wrap: wrap;
    padding-bottom: .9rem;
    border-bottom: 1px solid var(--border);
}

.tpl-category__kicker {
    font-family: var(--ff-mono);
    font-size: .62rem;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0;
    flex-shrink: 0;
}

.tpl-category__title {
    font-family: var(--ff-head);
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    line-height: 1;
    letter-spacing: .02em;
    color: var(--heading);
    margin: 0;
    flex: 1 1 auto;
}

.tpl-category__count {
    font-family: var(--ff-mono);
    font-size: .68rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted);
    padding: .25rem .6rem;
    border-radius: 999px;
    background: var(--card);
    border: 1px solid var(--border);
}

.tpl-category__empty {
    padding: 1.5rem;
    border: 1px dashed var(--border);
    border-radius: 14px;
    text-align: center;
    color: var(--muted);
    font-size: .92rem;
}

.tpl-hub__grid--category {
    display: flex;
    grid-template-columns: none;
    gap: var(--gap);
    margin-top: 0;
    margin-inline: -.25rem;
    padding: .15rem .25rem 1rem;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--cyan) 45%, transparent) transparent;
}

.tpl-hub__grid--category::-webkit-scrollbar {
    height: 10px;
}

.tpl-hub__grid--category::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, .03);
    border-radius: 999px;
}

.tpl-hub__grid--category::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--cyan) 45%, transparent);
    border-radius: 999px;
    border: 2px solid transparent;
    background-clip: content-box;
}

.tpl-hub__grid--category .tpl-card,
.tpl-hub__grid--category .tpl-card--hero,
.tpl-hub__grid--category .tpl-card--mini {
    grid-column: auto;
    grid-row: auto;
    flex: 0 0 clamp(280px, 31vw, 360px);
    max-width: 360px;
    min-height: 330px;
    scroll-snap-align: start;
}

.tpl-hub__grid--category .tpl-card--hero {
    padding: 1.5rem;
}

@media (max-width: 719px) {
    .tpl-hub__grid--category .tpl-card,
    .tpl-hub__grid--category .tpl-card--hero,
    .tpl-hub__grid--category .tpl-card--mini {
        flex-basis: min(86vw, 340px);
        max-width: min(86vw, 340px);
        min-height: 310px;
    }
}

/* ------------------------------- Reduced motion ------------------------------- */
@media (prefers-reduced-motion: reduce) {
    .tpl-card,
    .tpl-card__open,
    .tpl-card__copy,
    .tpl-detail__back {
        transition: none !important;
    }

    .tpl-card:hover,
    .tpl-card:focus-within {
        transform: none;
    }
}

/* Iteration 78: keep 3D Print category cards visually balanced when MarkTag and STL intake are shown together. */
@media (min-width: 720px) {
    .tpl-hub__grid--category[data-category-grid="3d-print"] .tpl-card {
        grid-column: span 3;
    }

    .tpl-hub__grid--category[data-category-grid="3d-print"] .tpl-card--hero {
        grid-row: auto;
        min-height: 220px;
        padding: 1.5rem;
    }

    .tpl-hub__grid--category[data-category-grid="3d-print"] .tpl-card--hero .tpl-card__icon {
        width: 42px;
        height: 42px;
        border-radius: 12px;
    }

    .tpl-hub__grid--category[data-category-grid="3d-print"] .tpl-card--hero .tpl-card__desc {
        font-size: .92rem;
        -webkit-line-clamp: 3;
    }
}

/* Iteration 118: category sections are horizontal carousels, not wrapping grids.
   Keep every category on one row; if cards do not fit, scroll left/right. */
.tpl-hub__categories {
    /*width: min(100%, 1320px);*/
    margin: 2.5rem auto 0;
}

/*
    .tpl-hub__grid--category {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
    gap: var(--gap);

*/

.tpl-category {
    width: 100%;
    min-width: 0;
}

.tpl-hub__grid.tpl-hub__grid--category {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    grid-template-columns: none !important;
    grid-auto-flow: unset !important;
    align-items: stretch;
    gap: var(--gap);
    margin-top: 0;
    margin-inline: -.25rem;
    padding: .15rem .25rem 1rem;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-inline: contain;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--cyan) 45%, transparent) transparent;
}

.tpl-hub__grid.tpl-hub__grid--category .tpl-card,
.tpl-hub__grid.tpl-hub__grid--category .tpl-card--hero,
.tpl-hub__grid.tpl-hub__grid--category .tpl-card--mini {
    grid-column: auto !important;
    grid-row: auto !important;
    flex: 0 0 clamp(280px, 31vw, 360px) !important;
    width: clamp(280px, 31vw, 360px);
    min-width: clamp(280px, 31vw, 360px);
    max-width: 360px;
    min-height: 330px;
    padding: 1.5rem;
    scroll-snap-align: start;
}

.tpl-hub__grid.tpl-hub__grid--category .tpl-card--hero .tpl-card__icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
}

.tpl-hub__grid.tpl-hub__grid--category .tpl-card--hero .tpl-card__desc {
    font-size: .92rem;
    -webkit-line-clamp: 3;
}

@media (max-width: 719px) {
    .tpl-hub__grid.tpl-hub__grid--category .tpl-card,
    .tpl-hub__grid.tpl-hub__grid--category .tpl-card--hero,
    .tpl-hub__grid.tpl-hub__grid--category .tpl-card--mini {
        flex-basis: min(86vw, 340px) !important;
        width: min(86vw, 340px);
        min-width: min(86vw, 340px);
        max-width: min(86vw, 340px);
        min-height: 310px;
    }
}