:root {
    --pico-font-size: 83.5%;
}
@media (min-width: 576px) {
    :root {
        --pico-font-size: 88.5%;
    }
}
@media (min-width: 768px) {
    :root {
        --pico-font-size: 94%;
    }
}
@media (min-width: 1024px) {
    :root {
        --pico-font-size: 99%;
    }
}
@media (min-width: 1280px) {
    :root {
        --pico-font-size: 104%;
    }
}
@media (min-width: 1536px) {
    :root {
        --pico-font-size: 109.5%;
    }
}

h1 {
    --pico-font-size: 1.55rem;
}
h2 {
    --pico-font-size: 1.25rem;
}
h3 {
    --pico-font-size: 1.05rem;
}

/* --- header / footer --- */
.site-header {
    display: flex;
    gap: 1rem;
    align-items: baseline;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--pico-muted-border-color);
}
.site-header .brand {
    font-weight: 700;
    text-decoration: none;
    margin-right: auto;
    color: var(--pico-color);
}
.site-header nav {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
.site-header nav a {
    text-decoration: none;
    padding: 0.3rem 0.7rem;
    border-radius: var(--pico-border-radius);
}
.site-header nav a[aria-current="page"] {
    background: rgba(128, 128, 128, 0.18);
}
.site-footer {
    border-top: 1px solid var(--pico-muted-border-color);
    color: var(--pico-muted-color);
    font-size: 0.9rem;
}

/* --- landing-page boxes --- */
.box-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-top: 2rem;
}
.box {
    position: relative;
    display: block;
    padding: 1.25rem 1.25rem 2.5rem;
    border: 1px solid var(--pico-muted-border-color);
    border-radius: var(--pico-border-radius);
    background: var(--pico-card-background-color);
    text-decoration: none;
    color: var(--pico-color);
    transition:
        border-color 0.12s ease,
        box-shadow 0.12s ease;
}
.box:hover {
    border-color: var(--pico-primary);
    box-shadow: var(--pico-card-box-shadow);
}
.box-head {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
}
.box .icon {
    display: inline-flex;
    color: var(--pico-primary);
}
.box .icon svg {
    width: 1.6rem;
    height: 1.6rem;
}
.box h3 {
    margin: 0;
}
.box p {
    margin: 0;
    color: var(--pico-muted-color);
}
.box-arrow {
    position: absolute;
    right: 1.25rem;
    bottom: 1rem;
    color: var(--pico-primary);
    font-size: 1.2rem;
}

/* --- module directory grid --- */
.module-grid {
    list-style: none;
    padding: 0;
    margin: 2rem 0 0;
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}
.module-grid > li {
    list-style: none;
    margin: 0;
} /* beats Pico's `ul li{list-style:square}` */
.module-grid .card {
    position: relative; /* anchor for the .wip-ribbon corner banner */
    overflow: hidden; /* clip the ribbon to the rounded corner */
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    height: 100%;
    padding: 1.1rem 1.25rem;
    border: 1px solid var(--pico-muted-border-color);
    border-radius: var(--pico-border-radius);
    background: var(--pico-card-background-color);
    text-decoration: none;
    color: var(--pico-color);
    transition:
        border-color 0.12s ease,
        box-shadow 0.12s ease;
}
.module-grid .card:hover {
    border-color: var(--pico-primary);
    box-shadow: var(--pico-card-box-shadow);
}
.module-grid .card h3 {
    margin: 0;
    font-size: 1.05rem;
    padding-right: 1.5rem; /* keep a long title clear of the corner ribbon */
}

/* --- work-in-progress corner ribbon --- */
.wip-ribbon {
    position: absolute;
    top: 0;
    right: 0;
    width: 6rem;
    height: 6rem;
    overflow: hidden;
    pointer-events: none;
}
.wip-ribbon > span {
    position: absolute;
    top: 1.05rem;
    right: -2rem;
    width: 7rem;
    transform: rotate(45deg);
    background: #e2e5ea;
    color: #6b7280;
    text-align: center;
    font-size: 0.5rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    padding: 0.15rem 0;
}
.module-grid .card .summary {
    margin: 0;
    flex: 1;
    color: var(--pico-muted-color);
    font-size: 0.9rem;
}
.module-grid .card .card-meta {
    display: flex;
    flex-wrap: wrap; /* allow pills to break onto multiple lines as they widen */
    align-items: center;
    gap: 0.4rem; /* also acts as row-gap between wrapped lines */
    margin-top: 0.25rem;
}

/* --- tier pills --- */
.badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    line-height: 1.5; /* match .kv pill height */
    padding: 0.12rem 0.55rem;
    border-radius: 999px;
}
.badge-core,
.badge-community {
    text-transform: capitalize;
} /* Core / Community, not core / CORE */
.badge-core {
    background: #ede7fb;
    color: #5a32b0;
}
.badge-community {
    background: #fff3e0;
    color: #8a5a00;
}

/* --- two-tone key→value pills (directory cards) --- */
.kv {
    display: inline-flex;
    align-items: stretch;
    border-radius: 999px;
    overflow: hidden; /* clip segment corners to the pill radius */
    font-size: 0.7rem;
    font-weight: 600;
    line-height: 1.5;
    /* Center the chip on running text (inline use, e.g. the Convention page).
       Inert for the directory cards, where .kv is a flex item. */
    vertical-align: 0.12em;
}
.kv-key,
.kv-val {
    padding: 0.12rem 0.55rem;
}
.kv-key {
    color: #fff;
    text-transform: capitalize;
    letter-spacing: 0.02em;
}
.kv-val {
    font-variant-numeric: tabular-nums;
}

.kv-convention .kv-key {
    background: #0f766e;
} /* teal */
.kv-convention .kv-val {
    background: #e6f7f0;
    color: #0f766e;
}
.kv-version .kv-key {
    background: #1d4ed8;
} /* blue */
.kv-version .kv-val {
    background: #e6f0ff;
    color: #1d4ed8;
}
.kv-unreleased .kv-key {
    background: #6b7280;
} /* muted grey */
.kv-unreleased .kv-val {
    background: #f1f2f4;
    color: #6b7280;
    font-style: italic;
}

/* --- module detail: metadata + interface --- */
dl.meta {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.25rem 1rem;
    align-items: center; /* keep each label centred with its value, incl. the badges row */
}
dl.meta dt {
    color: var(--pico-muted-color);
}
dl.meta dd.badges {
    display: flex; /* like .card-meta: aligns .badge/.kv pills, ignores vertical-align */
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
}

.interface {
    font-size: 0.8rem; /* the path/wildcard boxes are denser than body text */
    background: var(--pico-card-background-color);
    border: 1px solid var(--pico-muted-border-color);
    border-radius: var(--pico-border-radius);
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
}
.interface > h2 {
    margin-top: 0;
    font-size: 1rem;
}
.interface h3 {
    margin: 0 0 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--pico-muted-color);
}
.pathvar-group + .pathvar-group {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--pico-muted-border-color);
}
.interface dl.pathvars,
.interface dl.wildcards {
    display: grid;
    grid-template-columns: minmax(8rem, max-content) 1fr;
    gap: 0.35rem 1rem;
    margin: 0;
}
.interface dt {
    font-weight: 600;
}
.interface dd {
    margin: 0;
}
.interface .path-desc {
    display: block;
    color: var(--pico-muted-color);
}

/* Wildcard tokens highlighted inside path templates; `title` shows the
   description on hover (built in ingest/render.py). */
.interface .path-default .wc {
    background: var(--pico-primary-focus);
    color: var(--pico-primary);
    border-radius: 4px;
    padding: 0 0.2em;
    cursor: help;
    text-decoration: underline dotted;
    text-underline-offset: 2px;
}

/* --- cosmetic containment for sanitised README HTML --- */
.readme img {
    max-width: min(100%, 490px);
    height: auto;
}
/* Centre a hero image that's alone in its paragraph (READMEs use <p><img></p>;
   the presentational align="center" is stripped by the sanitiser). */
.readme p > img:only-child {
    display: block;
    margin-inline: auto;
}
.readme p:has(> img:only-child) {
    text-align: center;
}

/* --- contributors --- */
.contributor-grid {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
}
.contributor-grid.compact {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.75rem;
}
.contributor-grid > li {
    list-style: none;
    margin: 0;
}
.contributor {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    text-align: center;
    height: 100%;
    padding: 1rem 0.75rem;
    border: 1px solid var(--pico-muted-border-color);
    border-radius: var(--pico-border-radius);
    background: var(--pico-card-background-color);
}
.contributor-id {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
    color: var(--pico-color);
}
.avatar {
    border-radius: 50%;
}
.contributor-name {
    font-weight: 600;
    font-size: 0.85rem;
}
.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem;
    justify-content: center;
}
.chip {
    font-size: 0.85rem;
    line-height: 1;
    cursor: help;
}
.contributor-modules {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    justify-content: center;
    margin: 0;
}
.module-pill {
    font-size: 0.68rem;
    padding: 0.05rem 0.45rem;
    border-radius: 999px;
    border: 1px solid var(--pico-muted-border-color);
    text-decoration: none;
    color: var(--pico-muted-color);
}
.module-pill:hover {
    border-color: var(--pico-primary);
    color: var(--pico-primary);
}
.module-pill.tool::after {
    content: " \2197";
    font-size: 0.85em;
} /* external ↗ */