.site-header {
    position: sticky;
    inset-block-start: 0;
    z-index: 100;
    min-height: var(--header-height);
    background: color-mix(in srgb, var(--color-canvas) 94%, transparent);
    border-bottom: 1px solid var(--color-border-soft);
    backdrop-filter: blur(18px);
}
.site-header__inner { display: grid; grid-template-columns: 1fr auto auto; align-items: center; min-height: var(--header-height); gap: var(--space-4); }
.site-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    width: fit-content;
    color: var(--color-ink);
    text-decoration: none;
    white-space: nowrap;
}
.site-brand:hover { color: var(--color-ink); }
.site-brand__mark {
    width: 2.8rem;
    height: 2.8rem;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
}
.site-brand__mark img { width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(0 2px 5px rgba(82, 58, 10, 0.12)); }
.site-brand__copy { display: grid; gap: 0.08rem; line-height: 1; }
.site-brand__copy strong { font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; letter-spacing: -0.02em; }
.site-brand__copy small { color: var(--color-ink-muted); font-size: 0.55rem; font-weight: 800; letter-spacing: 0.18em; text-transform: uppercase; }
.site-brand--footer .site-brand__mark { width: 2.35rem; height: 2.35rem; }
.site-navigation { display: flex; align-items: center; gap: clamp(0.75rem, 1.5vw, 1.5rem); }
.site-navigation a {
    position: relative;
    min-height: 2.75rem;
    display: inline-flex;
    align-items: center;
    color: var(--color-ink-soft);
    font-size: var(--text-sm);
    font-weight: 600;
    text-decoration: none;
}
.site-navigation a::after { content: ""; position: absolute; inset: auto 0 0; height: 1px; background: var(--color-gold); transform: scaleX(0); transform-origin: left; transition: transform var(--transition); }
.site-navigation a:hover, .site-navigation a[aria-current="page"] { color: var(--color-gold-strong); }
.site-navigation a:hover::after, .site-navigation a[aria-current="page"]::after { transform: scaleX(1); }
.site-navigation .site-navigation__cta {
    min-height: 2.65rem;
    padding-inline: 1.05rem;
    color: #221a09;
    background: var(--color-gold-soft);
    border: 1px solid #ae873a;
    border-radius: 999px;
    box-shadow: 0 7px 18px rgba(119, 90, 25, 0.15);
}
.site-navigation .site-navigation__cta::after { display: none; }
.site-navigation .site-navigation__cta:hover, .site-navigation .site-navigation__cta[aria-current="page"] { color: #15110a; background: #d5b56c; transform: translateY(-1px); }
.header-search, .nav-toggle { width: 2.75rem; height: 2.75rem; display: inline-grid; place-items: center; color: var(--color-ink); background: transparent; border: 0; border-radius: 50%; }
.header-search { text-decoration: none; }
.header-search:hover, .nav-toggle:hover { color: var(--color-gold-strong); background: var(--color-surface-soft); }
.nav-toggle { display: none; }
.nav-toggle__close { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__open { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__close { display: block; }

.button, .btn {
    min-height: 2.875rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.7rem 1.15rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-weight: 720;
    letter-spacing: 0.045em;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition);
}
.button:hover, .btn:hover { transform: translateY(-1px); text-decoration: none; }
.button--primary, .btn-brand {
    color: #231a08;
    background: linear-gradient(180deg, #d3b36d 0%, var(--color-gold-soft) 100%);
    border-color: #ae873a;
    box-shadow: 0 6px 18px rgba(119, 90, 25, 0.13);
}
.button--primary:hover, .btn-brand:hover { color: #15110a; background: linear-gradient(180deg, #dfc17c 0%, #c9a252 100%); box-shadow: 0 9px 24px rgba(119, 90, 25, 0.18); }
.button--secondary, .btn-outline-secondary { color: var(--color-ink); background: transparent; border-color: var(--color-border); }
.button--secondary:hover, .btn-outline-secondary:hover { color: var(--color-gold-strong); background: var(--color-surface); border-color: var(--color-gold-soft); }
.button--dark { color: #fff; background: #1b1c19; border-color: #1b1c19; }
.button--dark:hover { color: #fff; background: #30312e; }
:root[data-theme="dark"] .button--dark { color: #211a0b; background: #d8b86b; border-color: #b79340; }
:root[data-theme="dark"] .button--dark:hover { color: #171109; background: #e2c985; }
.button--danger { color: white; background: var(--color-danger); border-color: var(--color-danger); }
.button--large, .btn-lg { min-height: 3.25rem; padding-inline: 1.5rem; }
.button--icon { width: 2.875rem; padding-inline: 0; }

.form-group { margin-bottom: var(--space-5); }
.form-row { display: grid; grid-template-columns: 1fr; gap: 0 var(--space-5); }
.form-label, label { display: inline-block; margin-bottom: var(--space-2); color: var(--color-ink); font-size: var(--text-sm); font-weight: 700; }
.field-help { margin: var(--space-2) 0 0; color: var(--color-ink-muted); font-size: var(--text-sm); line-height: 1.5; }
.required-mark, .text-danger { color: var(--color-danger); }
.form-control, input:not([type="checkbox"]):not([type="radio"]):not([type="file"]), select, textarea {
    width: 100%;
    min-height: 3rem;
    padding: 0.7rem 0.8rem;
    color: var(--color-ink);
    background: var(--color-surface);
    border: 1px solid #aaa192;
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}
textarea, textarea.form-control { min-height: 9rem; resize: vertical; }
select { padding-right: 2.5rem; }
input[type="file"] { width: 100%; color: var(--color-ink-soft); }
input[type="file"]::file-selector-button { margin-right: var(--space-3); padding: 0.55rem 0.8rem; color: var(--color-ink); background: var(--color-surface-soft); border: 1px solid var(--color-border); border-radius: var(--radius-sm); font: inherit; font-weight: 650; cursor: pointer; }
input[type="checkbox"], input[type="radio"] { width: 1.1rem; height: 1.1rem; margin: 0; accent-color: var(--color-gold-strong); }
.form-control:focus, input:focus, select:focus, textarea:focus { border-color: var(--color-gold); outline: 0; box-shadow: 0 0 0 4px rgba(197, 160, 89, 0.18); }
.is-invalid { border-color: var(--color-danger) !important; }
.invalid-feedback { display: block; margin-top: var(--space-2); color: var(--color-danger); font-size: var(--text-sm); }
.fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.fieldset > legend { margin-bottom: var(--space-4); font-family: var(--font-display); font-size: 1.25rem; font-weight: 650; }
.checkbox-row { display: flex; align-items: flex-start; gap: var(--space-3); min-height: 2.75rem; padding-block: var(--space-2); }
.checkbox-row label { margin: 0; font-weight: 500; }

.alert { display: flex; align-items: flex-start; gap: var(--space-3); margin: 0 0 var(--space-5); padding: var(--space-4); border: 1px solid; border-radius: var(--radius-md); }
.alert__icon { width: 1.25rem; height: 1.25rem; margin-top: 0.12rem; flex: 0 0 auto; }
.alert--success, .alert-success { color: var(--color-success); background: var(--color-success-soft); border-color: #afd7c3; }
.alert--error, .alert-danger { color: var(--color-danger); background: var(--color-danger-soft); border-color: #e7b6b0; }
.alert--warning, .alert-warning { color: #6c4c09; background: #fff2d4; border-color: #e9d19b; }
.alert--info, .alert-info { color: var(--color-info); background: var(--color-info-soft); border-color: #b9d2e0; }

.breadcrumbs { padding-block: var(--space-5); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: 0; padding: 0; list-style: none; }
.breadcrumbs li { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--color-ink-muted); font-size: var(--text-xs); font-weight: 650; letter-spacing: 0.08em; text-transform: uppercase; }
.breadcrumbs li:not(:last-child)::after { content: "/"; color: var(--color-border); }
.breadcrumbs a { color: inherit; text-decoration: none; }
.breadcrumbs a:hover { color: var(--color-gold-strong); }

.archive-card { min-width: 0; background: var(--color-surface); border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.archive-card:hover { transform: translateY(-4px); border-color: var(--color-gold-soft); box-shadow: var(--shadow-md); }
.archive-card__link { height: 100%; display: flex; flex-direction: column; color: inherit; text-decoration: none; }
.archive-card__media { position: relative; aspect-ratio: 1 / 1; margin: var(--space-5) var(--space-5) 0; overflow: hidden; background: var(--color-surface-soft); }
.archive-card__media img { width: 100%; height: 100%; object-fit: contain; transition: transform 480ms cubic-bezier(.2,.7,.2,1), opacity var(--transition); }
.archive-card:hover .archive-card__media img { transform: scale(1.025); }
.archive-card__media::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(100deg, transparent 24%, rgba(255, 255, 255, 0.72) 45%, transparent 66%);
    background-size: 220% 100%;
    opacity: 0;
    pointer-events: none;
}
.archive-card__media[data-image-state="loading"]::before { opacity: 1; animation: catalog-shimmer 1.35s ease-in-out infinite; }
.archive-card__media[data-image-state="loading"] img { opacity: 0.42; }
.archive-card__media[data-image-state="loaded"] img { opacity: 1; }
.archive-card__media[data-image-state="error"] img { opacity: 0; }
.archive-card__media[data-image-state="error"]::after {
    content: "Image unavailable";
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    padding: var(--space-5);
    color: var(--color-ink-muted);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-align: center;
    text-transform: uppercase;
}
.archive-card--entering { animation: catalog-card-enter 360ms cubic-bezier(.2, .7, .2, 1) both; }
.archive-card--skeleton { pointer-events: none; box-shadow: none; }
.archive-card--skeleton:hover { transform: none; border-color: var(--color-border); box-shadow: none; }
.archive-card--skeleton .archive-card__media { margin-bottom: 0; }
.skeleton-surface,
.skeleton-line,
.skeleton-tags span {
    position: relative;
    overflow: hidden;
    background: linear-gradient(100deg, var(--color-surface-muted) 20%, #f8f6f1 42%, var(--color-surface-muted) 64%);
    background-size: 220% 100%;
    animation: catalog-shimmer 1.35s ease-in-out infinite;
}
.skeleton-line { display: block; width: 100%; height: 0.78rem; margin-bottom: var(--space-3); border-radius: 999px; }
.skeleton-line--number { width: 34%; height: 0.62rem; margin-bottom: var(--space-4); }
.skeleton-line--title { width: 78%; height: 1.35rem; margin-bottom: var(--space-5); }
.skeleton-line--short { width: 62%; }
.skeleton-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: auto; padding-top: var(--space-3); }
.skeleton-tags span { width: 4.35rem; height: 1.65rem; border-radius: 999px; }
.skeleton-tags span:nth-child(2) { width: 5.4rem; }
.skeleton-tags span:nth-child(3) { width: 3.8rem; }
@keyframes catalog-shimmer { to { background-position-x: -220%; } }
@keyframes catalog-card-enter {
    from { opacity: 0; transform: translateY(0.8rem); }
    to { opacity: 1; transform: translateY(0); }
}
.archive-card__body { display: flex; flex: 1; flex-direction: column; padding: var(--space-5); }
.archive-card__number { margin: 0 0 var(--space-2); color: var(--color-gold-strong); font-size: var(--text-xs); font-weight: 750; letter-spacing: 0.12em; text-transform: uppercase; }
.archive-card h3 { margin-bottom: var(--space-3); font-size: clamp(1.2rem, 2vw, 1.55rem); }
.archive-card__excerpt { margin-bottom: var(--space-4); color: var(--color-ink-soft); font-size: var(--text-sm); line-height: 1.55; }
.image-placeholder { width: 100%; height: 100%; display: grid; place-items: center; color: var(--color-border); }
.verified-badge { position: absolute; z-index: 3; top: var(--space-3); right: var(--space-3); display: inline-flex; align-items: center; gap: var(--space-1); padding: 0.35rem 0.5rem; color: white; background: rgba(119, 90, 25, 0.94); font-size: 0.625rem; font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; }
.verified-badge .icon { width: 0.85rem; height: 0.85rem; }
.tag-list { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: auto 0 0; padding: 0; list-style: none; }
.tag-list li, .chip { display: inline-flex; align-items: center; min-height: 1.65rem; padding: 0.2rem 0.5rem; color: var(--color-ink-soft); background: transparent; border: 1px solid var(--color-border); font-size: 0.68rem; font-weight: 650; letter-spacing: 0.055em; line-height: 1.25; text-transform: uppercase; }
.chip--active { color: var(--color-gold-strong); background: var(--color-gold-pale); border-color: var(--color-gold-soft); }

.pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2); margin: var(--space-10) 0 0; padding: 0; list-style: none; }
.page-link { min-width: 2.75rem; min-height: 2.75rem; display: grid; place-items: center; padding: 0.45rem; color: var(--color-ink); background: var(--color-surface); border: 1px solid var(--color-border); text-decoration: none; }
.page-link:hover { color: var(--color-gold-strong); border-color: var(--color-gold-soft); }
.page-item.active .page-link { color: white; background: var(--color-gold-strong); border-color: var(--color-gold-strong); }
.page-item.disabled .page-link { color: var(--color-ink-muted); background: var(--color-surface-soft); pointer-events: none; }

.empty-state { max-width: 42rem; margin: var(--space-12) auto; padding: var(--space-12) var(--space-6); text-align: center; background: var(--color-surface-soft); border: 1px solid var(--color-border-soft); }
.empty-state__icon { width: 4rem; height: 4rem; display: grid; place-items: center; margin: 0 auto var(--space-5); color: var(--color-gold-strong); background: var(--color-gold-pale); border-radius: 50%; }
.empty-state p { color: var(--color-ink-soft); }

.site-footer { margin-top: var(--space-20); padding-top: var(--space-16); color: var(--color-ink); background: var(--color-surface-soft); border-top: 1px solid var(--color-border); }
.site-footer__ad { margin-bottom: var(--space-12); }
.site-footer__grid { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: var(--space-10); padding-bottom: var(--space-12); }
.site-footer__brand p:not(.site-brand), .site-footer__note p { max-width: 25rem; color: var(--color-ink-soft); font-size: var(--text-sm); }
.site-footer h2 { margin-bottom: var(--space-4); font-family: var(--font-body); font-size: var(--text-xs); font-weight: 750; letter-spacing: 0.12em; text-transform: uppercase; }
.site-footer nav { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-2); }
.site-footer nav a { color: var(--color-ink-soft); font-size: var(--text-sm); }
.site-footer__note p { font-family: var(--font-display); font-style: italic; }
.site-footer__bottom { display: flex; justify-content: space-between; gap: var(--space-5); padding-block: var(--space-5); border-top: 1px solid var(--color-border); color: var(--color-ink-muted); font-size: var(--text-xs); }
.site-footer__bottom p { margin: 0; }

.modal { width: min(72rem, calc(100% - 2rem)); max-height: calc(100dvh - 2rem); padding: 0; background: var(--color-canvas); border: 1px solid var(--color-border); box-shadow: var(--shadow-md); }
.modal::backdrop { background: rgba(20, 18, 14, 0.82); backdrop-filter: blur(4px); }
.modal__header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border); }
.modal__header h2 { margin: 0; font-size: 1.2rem; }
.modal__image { width: 100%; max-height: calc(100dvh - 8rem); object-fit: contain; }

@media (min-width: 48rem) {
    .form-row--2, .form-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .form-row--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 61.99rem) {
    .site-header__inner { grid-template-columns: 1fr auto; }
    .header-search { grid-column: 2; grid-row: 1; }
    .site-navigation {
        position: static;
        grid-column: 1 / -1;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0 0 var(--space-4);
    }
    .site-navigation a { min-height: 3.25rem; border-bottom: 1px solid var(--color-border-soft); }
    .site-navigation a::after { display: none; }
    .site-navigation .site-navigation__cta { margin-top: var(--space-3); border-bottom: 1px solid #ae873a; border-radius: var(--radius-sm); }
    .js .site-header__inner { grid-template-columns: 1fr auto auto; }
    .js .nav-toggle { display: inline-grid; grid-column: 2; grid-row: 1; }
    .js .header-search { grid-column: 3; grid-row: 1; }
    .js .site-navigation {
        position: absolute;
        inset: var(--header-height) 0 auto;
        display: none;
        padding: var(--space-3) var(--gutter) var(--space-5);
        background: var(--color-canvas);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
    }
    .js .site-navigation[data-open="true"] { display: flex; }
    .site-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 39.99rem) {
    .site-brand { gap: var(--space-2); }
    .site-brand__mark { width: 2.15rem; height: 2.15rem; }
    .site-brand__copy strong { font-size: 1.05rem; }
    .site-brand__copy small { font-size: 0.48rem; letter-spacing: 0.14em; }
    .header-search { display: none; }
    .site-header__inner, .js .site-header__inner { grid-template-columns: 1fr auto; }
    .js .nav-toggle { grid-column: 2; }
    .site-footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
    .site-footer__bottom { flex-direction: column; }
}
.required-marker { color: var(--color-danger); }
.catalog-fields__intro { margin: calc(-1 * var(--space-2)) 0 var(--space-6); }
.button .icon, .btn .icon, a > .icon { display: inline-block; vertical-align: -0.25em; }

/* Progressive interaction feedback and mobile navigation containment. */
.site-toast {
    position: fixed;
    right: max(var(--space-4), env(safe-area-inset-right));
    bottom: max(var(--space-4), env(safe-area-inset-bottom));
    z-index: 1000;
    max-width: min(24rem, calc(100vw - 2rem));
    padding: var(--space-3) var(--space-4);
    color: white;
    background: var(--color-ink);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transform: translateY(0.75rem);
    transition: opacity var(--transition), transform var(--transition);
}
.site-toast[data-tone="success"] { background: #365b45; }
.site-toast[data-tone="error"] { background: var(--color-danger); }
.site-toast.is-visible { opacity: 1; transform: translateY(0); }
.image-fallback { opacity: 0.72; }

@media (max-width: 61.99rem) {
    body.nav-open { overflow: hidden; }
    .js .site-navigation[data-open="true"] {
        max-height: calc(100dvh - var(--header-height));
        overflow-y: auto;
        overscroll-behavior: contain;
    }
}
.field-help--split { display: flex; justify-content: space-between; gap: var(--space-3); }
.field-help--split > :last-child { flex: 0 0 auto; font-variant-numeric: tabular-nums; }
:root[data-theme="dark"] .item-card__media,
:root[data-theme="dark"] .item-gallery__stage,
:root[data-theme="dark"] .upload-preview,
:root[data-theme="dark"] .thumbnail-card img { background: #ece9e2; }

/* Compact light/dark control. Light is the default; dark is an explicit browser preference. */
.site-theme-toggle { width: 2.75rem; height: 2.75rem; display: inline-grid; place-items: center; flex: 0 0 auto; padding: 0; color: var(--color-ink-soft); background: transparent; border: 1px solid transparent; border-radius: 50%; cursor: pointer; }
.site-theme-toggle:hover { color: var(--color-ink); background: var(--color-surface-soft); border-color: var(--color-border); }
.site-theme-toggle .icon { width: 1.25rem; height: 1.25rem; }
.theme-icon--sun { display: none; }
:root[data-theme="dark"] .theme-icon--moon { display: none; }
:root[data-theme="dark"] .theme-icon--sun { display: inline-flex; }

/* Theme control participates in the header grid without displacing navigation. */
.site-header__inner { grid-template-columns: 1fr auto auto auto; }
@media (max-width: 61.99rem) {
    .site-header__inner { grid-template-columns: 1fr auto auto; }
    .site-theme-toggle { grid-column: 2; grid-row: 1; }
    .header-search { grid-column: 3; grid-row: 1; }
    .js .site-header__inner { grid-template-columns: 1fr auto auto auto; }
    .js .nav-toggle { grid-column: 2; grid-row: 1; }
    .js .site-theme-toggle { grid-column: 3; grid-row: 1; }
    .js .header-search { grid-column: 4; grid-row: 1; }
}
@media (max-width: 39.99rem) {
    .site-header__inner, .js .site-header__inner { grid-template-columns: 1fr auto auto; }
    .js .nav-toggle { grid-column: 2; }
    .site-theme-toggle, .js .site-theme-toggle { grid-column: 3; grid-row: 1; }
}

/* v6.9 public information hierarchy: primary navigation stays focused on research. */
.site-header__inner {
    grid-template-columns: minmax(0, 1fr) auto auto;
}
.site-header__utilities {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.15rem;
}
.header-saved,
.site-header__utilities .header-search,
.site-header__utilities .site-theme-toggle {
    width: 2.85rem;
    height: 2.85rem;
    display: inline-grid;
    place-items: center;
    flex: 0 0 auto;
    position: relative;
    padding: 0;
    color: var(--color-ink-soft);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 50%;
    text-decoration: none;
}
.header-saved:hover,
.site-header__utilities .header-search:hover,
.site-header__utilities .site-theme-toggle:hover {
    color: var(--color-ink);
    background: var(--color-surface-soft);
    border-color: var(--color-border);
}
.header-saved .icon,
.site-header__utilities .header-search .icon,
.site-header__utilities .site-theme-toggle .icon {
    width: 1.2rem;
    height: 1.2rem;
}
.header-saved__count {
    position: absolute;
    inset: -0.1rem -0.15rem auto auto;
    min-width: 1.25rem;
    height: 1.25rem;
    display: inline-grid;
    place-items: center;
    padding-inline: 0.22rem;
    color: #21190a;
    background: var(--color-gold-soft);
    border: 2px solid var(--color-canvas);
    border-radius: 999px;
    font-size: 0.65rem;
    font-weight: 800;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}
.header-saved__count[hidden] { display: none; }

@media (max-width: 61.99rem) {
    .site-header__inner,
    .js .site-header__inner {
        grid-template-columns: minmax(0, 1fr) auto auto;
    }
    .nav-toggle,
    .js .nav-toggle {
        grid-column: 2;
        grid-row: 1;
    }
    .site-header__utilities {
        grid-column: 3;
        grid-row: 1;
    }
    .site-navigation,
    .js .site-navigation {
        grid-column: 1 / -1;
    }
}
@media (max-width: 39.99rem) {
    .site-header__utilities .header-search { display: none; }
    .site-header__utilities { gap: 0; }
    .header-saved,
    .site-header__utilities .site-theme-toggle { width: 2.65rem; height: 2.65rem; }
}

/* v7.4 Collector account entry point: visually related to utilities, never confused with admin access. */
.header-account {
    width: 2.85rem;
    height: 2.85rem;
    display: inline-grid;
    place-items: center;
    flex: 0 0 auto;
    position: relative;
    padding: 0;
    color: var(--color-ink-soft);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 50%;
    text-decoration: none;
}
.header-account:hover,
.header-account[data-signed-in="true"] {
    color: var(--color-ink);
    background: var(--color-surface-soft);
    border-color: var(--color-border);
}
.header-account .icon { width: 1.18rem; height: 1.18rem; }
.header-account__status {
    position: absolute;
    right: .24rem;
    bottom: .25rem;
    width: .48rem;
    height: .48rem;
    background: var(--color-gold-soft);
    border: 2px solid var(--color-canvas);
    border-radius: 999px;
}
.header-account__status[hidden] { display: none; }
@media (max-width: 39.99rem) {
    .header-account,
    .header-saved,
    .site-header__utilities .site-theme-toggle { width: 2.55rem; height: 2.55rem; }
}

.button--small { min-height: 2.35rem; padding: .5rem .8rem; font-size: .78rem; }

/* v7.4.3 — compact mobile brand composition for narrow iPhone headers. */
.site-brand { min-width: 0; }
.site-brand__copy { min-width: 0; }
.site-brand__copy strong { display: block; overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 39.99rem) {
    .site-header__inner,
    .js .site-header__inner { gap: .25rem; }
    .site-brand { max-width: 100%; gap: .42rem; }
    .site-brand__mark { width: 2.05rem; height: 2.05rem; }
    .site-brand__copy strong { font-size: .93rem; letter-spacing: -.015em; }
    .site-brand__copy small { display: none; }
    .nav-toggle,
    .header-account,
    .header-saved,
    .site-header__utilities .site-theme-toggle { width: 2.35rem; height: 2.35rem; }
    .site-header__utilities { gap: 0; }
}
@media (max-width: 27rem) {
    .site-brand__optional-word { display: none; }
}
@media (max-width: 22rem) {
    .site-brand__copy { display: none; }
}

/* v7.4.5 — preserve the complete brand name on phones; utilities move into the drawer first. */
.site-navigation__mobile-tools { display: none; }
@media (max-width: 39.99rem) {
    .site-header__inner,
    .js .site-header__inner {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: .55rem;
        min-height: 4.35rem;
    }
    .js .nav-toggle { grid-column: 2; grid-row: 1; width: 2.55rem; height: 2.55rem; }
    .site-header__utilities { display: none; }
    .site-brand {
        min-width: 0;
        max-width: 100%;
        gap: .5rem;
        white-space: normal;
    }
    .site-brand__mark { width: 2.2rem; height: 2.2rem; }
    .site-brand__copy { display: grid; min-width: 0; }
    .site-brand__copy strong {
        display: flex;
        flex-wrap: wrap;
        column-gap: .22rem;
        max-width: 12.5rem;
        overflow: visible;
        color: var(--color-ink);
        font-size: clamp(.9rem, 4.2vw, 1.03rem);
        line-height: 1.02;
        text-overflow: clip;
        white-space: normal;
    }
    .site-brand__copy strong > span { white-space: nowrap; }
    .site-brand__copy small { display: none; }
    .site-navigation__mobile-tools {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: .55rem;
        padding-top: .9rem;
        border-top: 1px solid var(--color-border-soft);
    }
    .site-navigation .site-navigation__tool {
        min-height: 3rem;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        gap: .6rem;
        padding: .65rem .75rem;
        color: var(--color-ink);
        background: var(--color-surface-soft);
        border: 1px solid var(--color-border-soft);
        border-radius: var(--radius-sm);
        font: inherit;
        font-size: .8rem;
        font-weight: 700;
        text-align: left;
        text-decoration: none;
        cursor: pointer;
    }
    .site-navigation .site-navigation__tool::after { display: none; }
    .site-navigation__tool .icon { width: 1.05rem; height: 1.05rem; flex: 0 0 auto; }
    .site-navigation__tool .header-account__status { position: static; width: .42rem; height: .42rem; margin-left: auto; border: 0; }
    .site-navigation__count {
        min-width: 1.35rem;
        height: 1.35rem;
        display: inline-grid;
        place-items: center;
        margin-left: auto;
        padding: 0 .25rem;
        color: #21190a;
        background: var(--color-gold-soft);
        border-radius: 999px;
        font-size: .65rem;
        line-height: 1;
    }
    .site-navigation__count[hidden] { display: none; }
}
@media (max-width: 22rem) {
    .site-brand__mark { width: 2rem; height: 2rem; }
    .site-brand__copy { display: grid; }
    .site-brand__copy strong { max-width: 9.7rem; font-size: .86rem; }
}