/* Public document structure. Visual treatment lives in pages/document.css. */
.sps-public-document { min-height: 100svh; padding-bottom: 48px; }
.sps-public-document-nav { position: sticky; top: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; gap: 18px; width: 100%; min-height: 72px; padding-inline: max(20px, calc((100% - 1240px) / 2)); }
.sps-public-document-brand { display: flex; align-items: center; gap: 10px; min-width: 0; text-decoration: none; }
.sps-public-document-brand > span:last-child, .sps-public-document-brand small { display: block; }
.sps-public-document-nav-actions { display: flex; align-items: center; justify-content: flex-end; gap: 5px; }
.sps-public-document-nav-link { display: inline-flex; align-items: center; justify-content: center; min-height: 38px; padding: 7px 10px; text-decoration: none; white-space: nowrap; }

.sps-public-document-empty, .sps-public-document-gate { width: min(760px, calc(100% - 40px)); margin: clamp(40px, 8vw, 90px) auto; }
.sps-public-document-empty, .sps-public-document-gate-card { display: grid; gap: 15px; min-width: 0; }
.sps-public-document-empty h1, .sps-public-document-empty p, .sps-public-document-gate-card h1, .sps-public-document-gate-card p { margin: 0; }
.sps-public-document-empty-actions, .sps-public-document-hero-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.sps-public-document-button { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 8px 13px; text-decoration: none; cursor: pointer; }
.sps-public-document-gate-meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; margin: 0; }
.sps-public-document-gate-meta div { min-width: 0; }
.sps-public-document-gate-meta :is(dt, dd) { margin: 0; overflow-wrap: anywhere; }
.sps-public-document-gate-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
.sps-public-document-gate-field { display: grid; gap: 6px; min-width: 0; }
.sps-public-document-gate-field input { width: 100%; }
.sps-public-document-gate-form button, .sps-public-document-gate-note { grid-column: 1 / -1; }

.sps-public-document-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, 310px); gap: 18px; align-items: stretch; width: var(--sps-container); margin: 0 auto; padding: clamp(30px, 4vw, 52px) 0 20px; }
.sps-public-document-hero-copy { display: grid; align-content: center; gap: 13px; min-width: 0; }
.sps-public-document-journal-line, .sps-public-document-title, .sps-public-document-authors, .sps-public-document-share-note { margin: 0; }
.sps-public-document-authors span, .sps-public-document-authors small { display: block; }
.sps-public-document-doi-strip { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.sps-public-document-doi-strip span { min-width: 0; overflow-wrap: anywhere; }
.sps-public-document-qr-card { display: grid; place-items: center; align-content: center; gap: 10px; min-width: 0; text-align: center; }
.sps-public-document-qr, .sps-public-document-qr-fallback { display: grid; place-items: center; width: min(180px, 75%); aspect-ratio: 1; }
.sps-public-document-qr-card code { width: 100%; max-width: 100%; overflow-wrap: anywhere; word-break: break-all; }

.sps-public-document-article { display: grid; grid-template-columns: minmax(0, 1fr) minmax(270px, 320px); gap: 18px; align-items: start; width: var(--sps-container); margin: 0 auto; }
.sps-public-document-paper, .sps-public-document-side, .sps-public-document-info-card { min-width: 0; }
.sps-public-document-paper { display: grid; gap: 21px; }
.sps-public-document-abstract p { margin: 9px 0 0; }
.sps-public-document-metadata { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin: 10px 0 0; }
.sps-public-document-metadata-row { min-width: 0; }
.sps-public-document-metadata-row :is(dt, dd) { margin: 0; overflow-wrap: anywhere; }
.sps-public-document-card-head { display: flex; align-items: end; justify-content: space-between; gap: 14px; margin-bottom: 11px; }
.sps-public-document-card-head h2 { margin: 5px 0 0; }
.sps-public-document-small-link { flex: 0 0 auto; text-decoration: none; }
.sps-public-document-preview { display: block; width: 100%; min-height: 660px; }
.sps-public-document-no-preview { display: grid; gap: 5px; min-height: 260px; place-content: center; text-align: center; }
.sps-public-document-no-preview p { margin: 0; }
.sps-public-document-side { position: sticky; top: 90px; display: grid; gap: 12px; }
.sps-public-document-info-card { display: grid; gap: 10px; }
.sps-public-document-info-card p { margin: 0; overflow-wrap: anywhere; }
.sps-public-document-mini-button { width: max-content; min-height: 36px; cursor: pointer; }
.sps-public-document-history { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.sps-public-document-history li { display: grid; gap: 3px; }
.sps-public-document-history :is(strong, span) { display: block; }

@media (max-width: 980px) {
    .sps-public-document-desktop-links { display: none; }
    .sps-public-document-hero { grid-template-columns: 1fr; }
    .sps-public-document-qr-card { grid-template-columns: auto minmax(0, 1fr); justify-items: start; text-align: left; }
    .sps-public-document-qr, .sps-public-document-qr-fallback { grid-row: 1 / span 3; width: 145px; }
    .sps-public-document-article { grid-template-columns: 1fr; }
    .sps-public-document-side { position: static; grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
    .sps-public-document-nav { min-height: 64px; padding-inline: 12px; }
    .sps-public-document-hero { padding-top: 20px; }
    .sps-public-document-gate-meta, .sps-public-document-gate-form, .sps-public-document-metadata, .sps-public-document-side { grid-template-columns: 1fr; }
    .sps-public-document-gate-form button, .sps-public-document-gate-note { grid-column: auto; }
    .sps-public-document-qr-card { grid-template-columns: 1fr; justify-items: center; text-align: center; }
    .sps-public-document-qr, .sps-public-document-qr-fallback { grid-row: auto; width: min(168px, 62vw); }
    .sps-public-document-preview { min-height: 520px; }
}

@media (max-width: 500px) {
    .sps-public-document-brand > span:last-child { font-size: 11px; }
    .sps-public-document-brand small { display: none; }
    .sps-public-document-empty, .sps-public-document-gate { width: calc(100% - 20px); margin-block: 24px; }
    .sps-public-document-hero-actions { align-items: stretch; flex-direction: column; }
    .sps-public-document-hero-actions > * { width: 100%; }
    .sps-public-document-card-head { align-items: flex-start; flex-direction: column; }
    .sps-public-document-preview { min-height: 440px; }
}