/* /research. Paper cards on the black ground. Colours follow the 09:33 rule: gold #F5C451 with a soft glow,
   body #F2F2F2, secondary #B8B8B8, hairlines and borders at 50 percent (Grok 09:53). Scoped to .zrs-papers so no other page changes. */
.zrs-papers > .zrs-marks { margin-top: calc(-1 * clamp(8px, 2vh, 24px)); }
.zrs-papers {
  --zg: #F5C451; --zg-glow: rgba(245, 196, 81, .35); --zt: #F2F2F2; --zt2: #B8B8B8; --zline: rgba(245, 196, 81, .5); --zline2: rgba(242, 242, 242, .5);
  position: relative; display: grid; gap: clamp(40px, 7vh, 88px); padding: clamp(8px, 2vh, 24px) 0 clamp(56px, 10vh, 120px); color: var(--zt);
}

.zrs-paper { position: relative; padding: clamp(24px, 3.4vw, 52px); border-radius: 18px; background: linear-gradient(165deg, rgba(34, 27, 12, .82), #000 58%); border: 1px solid var(--zline); box-shadow: 0 0 24px rgba(245, 196, 81, .12), 0 30px 80px rgba(0, 0, 0, .7), inset 0 1px 0 rgba(255, 255, 255, .06); scroll-margin-top: 96px; }
.zrs-paper::before { content: ""; position: absolute; left: clamp(24px, 3.4vw, 52px); right: clamp(24px, 3.4vw, 52px); top: -1px; height: 2px; background: linear-gradient(90deg, var(--zg), rgba(245, 196, 81, 0) 72%); box-shadow: 0 0 16px var(--zg-glow); }

.zrs-paper__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin: 0 0 18px; font-size: 13px; letter-spacing: .18em; text-transform: uppercase; color: var(--zg); text-shadow: 0 0 16px var(--zg-glow); }
.zrs-paper__meta > * + *::before { content: ""; display: inline-block; width: 4px; height: 4px; margin-right: 18px; vertical-align: middle; border-radius: 50%; background: var(--zg); }
.zrs-paper__n { font: 400 13px/1 ui-monospace, "Cascadia Mono", Consolas, monospace; letter-spacing: .08em; color: var(--zt2); text-shadow: none; }
.zp .zrs-paper__meta a { display: inline-flex; align-items: center; min-height: 44px; color: var(--zg); text-decoration: underline; text-underline-offset: 5px; }
.zp .zrs-paper__meta a:hover { color: #fff; }

.zrs-paper__title { margin: 0; max-width: 26ch; font: 500 clamp(28px, 4.1vw, 58px)/1.06 GraphikLCG, "Helvetica Neue", Helvetica, Arial, sans-serif; letter-spacing: -.02em; color: #fff; text-wrap: balance; }
.zrs-paper__by { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 18px; margin: 18px 0 0; font-size: clamp(16px, 1.3vw, 19px); color: var(--zt); }
.zp a.zrs-orcid { display: inline-flex; align-items: center; min-height: 44px; font: 400 15px/1.4 ui-monospace, "Cascadia Mono", Consolas, monospace; color: var(--zg); text-decoration: underline; text-underline-offset: 5px; }
.zp a.zrs-orcid:hover { color: #fff; }

.zp a.zrs-orcid { gap: 8px; }
.zrs-marks { display: flex; flex-wrap: wrap; gap: 12px; margin: 0; padding: 0; list-style: none; }
.zp .zrs-marks a { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 0 18px; border-radius: 999px; border: 1px solid var(--zline); color: var(--zg); font-weight: 500; transition: color .2s ease, border-color .2s ease, box-shadow .2s ease, background-color .2s ease; }
.zp .zrs-marks a:hover, .zp .zrs-marks a:focus-visible { border-color: var(--zg); background: rgba(245, 196, 81, .1); box-shadow: 0 0 22px var(--zg-glow); color: #ffd978; }
.zrs-marks svg { flex: none; filter: drop-shadow(0 0 8px rgba(245, 196, 81, .35)); }

.zrs-versions, .zrs-chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 0; padding: 0; list-style: none; }
.zrs-versions li { display: inline-flex; gap: 10px; align-items: baseline; padding: 7px 12px; border-radius: 8px; border: 1px solid var(--zline2); font-size: 14px; color: var(--zt); }
.zrs-versions li span { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--zg); }
.zrs-chips li { padding: 6px 13px; border-radius: 999px; border: 1px solid var(--zline); background: rgba(245, 196, 81, .1); font-size: 14px; color: var(--zt); }

.zrs-kind { display: inline-flex; align-items: center; padding: 6px 13px; border-radius: 999px; border: 1px solid var(--zg); background: rgba(245, 196, 81, .12); box-shadow: 0 0 16px rgba(245, 196, 81, .22); }
.zrs-paper__meta > .zrs-kind::before { content: none; }
.zrs-paper__meta > .zrs-kind + *::before { content: none; }
.zrs-paper__dek { margin: 20px 0 0; max-width: 62ch; font-size: clamp(18px, 1.5vw, 22px); line-height: 1.55; color: var(--zt); }
.zrs-parts { margin: 24px 0 0; padding: 0; list-style: none; display: grid; max-width: 72ch; }
.zrs-parts li { padding: 16px 0; border-top: 1px solid var(--zline2); font-size: clamp(17px, 1.35vw, 20px); color: #fff; }
.zrs-parts li:last-child { border-bottom: 1px solid var(--zline2); }
.zrs-paper--brief .zrs-paper__title { font-size: clamp(26px, 3.2vw, 44px); max-width: 30ch; }

.zrs-paper__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 400px); gap: clamp(28px, 4vw, 72px); margin-top: clamp(28px, 4.5vh, 52px); padding-top: clamp(24px, 4vh, 44px); border-top: 1px solid var(--zline2); align-items: start; }
.zrs-paper__summary { margin: 0; max-width: 68ch; font-size: clamp(17px, 1.35vw, 20px); line-height: 1.62; color: var(--zt); }

.zrs-label { margin: clamp(28px, 4.5vh, 44px) 0 16px; font: 500 12px/1.3 GraphikLCG, "Helvetica Neue", Arial, sans-serif; letter-spacing: .22em; text-transform: uppercase; color: var(--zg); text-shadow: 0 0 16px var(--zg-glow); }
.zrs-record .zrs-label:first-child { margin-top: 0; }

.zrs-findings { margin: 0; padding: 0; list-style: none; counter-reset: zrs; display: grid; max-width: 72ch; }
.zrs-findings li { counter-increment: zrs; position: relative; padding: 18px 0 18px 54px; border-top: 1px solid var(--zline2); line-height: 1.6; color: var(--zt); }
.zrs-findings li:last-child { border-bottom: 1px solid var(--zline2); }
.zrs-findings li::before { content: counter(zrs, decimal-leading-zero); position: absolute; left: 0; top: 20px; font: 400 14px/1.4 ui-monospace, "Cascadia Mono", Consolas, monospace; color: var(--zg); text-shadow: 0 0 14px var(--zg-glow); }
.zp .zrs-findings strong { color: #fff; }

.zrs-abstract { margin-top: 22px; max-width: 72ch; border: 1px solid var(--zline); border-radius: 12px; background: rgba(245, 196, 81, .05); }
.zrs-abstract summary { display: flex; align-items: center; gap: 12px; min-height: 52px; padding: 0 18px; cursor: pointer; list-style: none; font-weight: 500; color: var(--zg); }
.zrs-abstract summary::-webkit-details-marker { display: none; }
.zrs-abstract summary::before { content: "+"; display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--zg); font: 400 17px/1 ui-monospace, Consolas, monospace; }
.zrs-abstract[open] summary::before { content: "\2212"; }
.zrs-abstract summary:hover { color: #fff; }
.zrs-abstract p { margin: 0; padding: 4px 18px 20px; line-height: 1.65; color: var(--zt); }

.zrs-actions { margin-top: clamp(26px, 4vh, 40px); }
.zrs-papers .zp-btn--primary, .zp .zrs-papers a.zp-btn--primary { background: var(--zg); border-color: var(--zg); color: #000; box-shadow: 0 0 20px var(--zg-glow); }
.zrs-papers .zp-btn--primary:hover, .zp .zrs-papers a.zp-btn--primary:hover { background: #ffd978; border-color: #ffd978; }
.zrs-papers .zp-btn--ghost { color: var(--zt); border-color: rgba(242, 242, 242, .55); background: rgba(242, 242, 242, .05); }
.zrs-papers .zp-btn--ghost:hover { border-color: var(--zg); color: #fff; box-shadow: 0 0 18px var(--zg-glow); }
.zrs-btn__note { margin-left: 2px; padding: 2px 7px; border-radius: 5px; font: 400 11px/1.4 ui-monospace, "Cascadia Mono", Consolas, monospace; letter-spacing: .08em; border: 1px solid currentColor; }

.zrs-record { padding: 24px; border-radius: 14px; background: rgba(242, 242, 242, .04); border: 1px solid var(--zline2); }
.zrs-record dl { margin: 0; display: grid; gap: 14px; }
.zrs-record dt { font: 400 13px/1.4 ui-monospace, "Cascadia Mono", Consolas, monospace; color: var(--zt2); }
.zrs-record dd { margin: 0; font-size: 16px; line-height: 1.4; color: var(--zt); overflow-wrap: anywhere; }
.zp .zrs-record dd a { display: inline-flex; align-items: center; min-height: 44px; color: #fff; text-decoration: underline; text-decoration-color: var(--zg); text-underline-offset: 5px; transition: color .2s ease; }
.zp .zrs-record dd a:hover { color: var(--zg); }
.zrs-label--cite { margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--zline2); }
.zrs-cite { margin: 0; font-size: 15px; line-height: 1.55; color: var(--zt); overflow-wrap: anywhere; user-select: all; }

@media (max-width: 1023px) {
  .zrs-paper__grid { grid-template-columns: minmax(0, 1fr); }
  .zrs-paper__title { max-width: none; }
}
@media (max-width: 599px) {
  .zrs-paper { border-radius: 14px; }
  .zrs-findings li { padding-left: 40px; }
  .zrs-actions .zp-btn { width: 100%; }
  .zrs-record { padding: 18px; }
}
@media (prefers-reduced-motion: no-preference) {
  .zrs-paper { animation: zrs-rise .9s cubic-bezier(.16, 1, .3, 1) both; }
  @keyframes zrs-rise { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
}