.room-board{max-width:1500px;margin:0 auto 0;padding:64px 54px 54px;min-height:380px;background:#171b1d;color:#f4efe4;border:1px solid #6e5831;display:grid;grid-template-columns:1.35fr .65fr;gap:70px;position:relative;overflow:hidden}.room-board:after{content:"";position:absolute;inset:0;opacity:.06;background-image:repeating-linear-gradient(0deg,#fff 0,#fff 1px,transparent 1px,transparent 7px);pointer-events:none}.room-board>*{position:relative;z-index:1}.room-board h1{font-size:clamp(3.2rem,7vw,7.2rem);line-height:.92;margin:0 0 18px;max-width:1000px}.room-subtitle{font-size:1.35rem;color:#d4b775;margin:0 0 24px}.room-summary{font-size:1.08rem;line-height:1.6;color:#c9c5ba;max-width:850px}.board-sketch{align-self:center;border:1px solid rgba(232,221,192,.22);padding:34px;min-height:210px;display:flex;flex-direction:column;justify-content:center;transform:rotate(-1deg);font-style:italic;color:#d9d3c4}.board-sketch span{font-size:1.5rem}.sketch-line{height:1px;background:#6aaec4;margin:30px 0;box-shadow:80px 24px 0 #b49358,-35px -20px 0 #7c9d74}.board-sketch small{color:#9e988c}.room-meta{max-width:1500px;margin:0 auto;padding:16px 54px;display:flex;gap:30px;flex-wrap:wrap;background:#071b2a;color:#e8dfcf;font:12px/1.2 var(--mono);border-bottom:1px solid #364a53}.room-section{max-width:1500px;margin:0 auto;padding:58px 54px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:.38fr 1.62fr;gap:50px}.room-section-head p:not(.eyebrow){color:var(--muted);line-height:1.5}.room-items{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.room-item{background:var(--paper-bright);border:1px solid var(--line);padding:22px;text-decoration:none;min-height:145px;display:flex;flex-direction:column;gap:12px}.room-item:hover{border-color:var(--brass)}.room-item-type{font:10px/1.2 var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--cyan)}.room-item strong{font-size:1.16rem;font-weight:400}.room-item span:last-child{font:10px/1.3 var(--mono);color:var(--muted);margin-top:auto}.student-guidance{max-width:1500px;margin:0 auto;padding:42px 54px;background:#17201f;color:#eee8da;border-top:1px solid #745e36;border-bottom:1px solid #745e36}.student-guidance .eyebrow{color:#d0aa64}.student-guidance h2{font-size:2rem;margin-bottom:12px}.student-guidance p:last-child{max-width:1100px;line-height:1.6;color:#cbc5b8}.room-index{max-width:1500px;margin:0 auto;padding:58px 54px;display:grid;grid-template-columns:.65fr 1.35fr;gap:50px}.room-index h2{font-size:2.4rem}.room-index-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.room-index-links a{border:1px solid var(--line);background:var(--paper-bright);padding:18px;text-decoration:none;font:13px/1.2 var(--sans)}
@media(max-width:900px){.room-board,.room-section,.room-index{grid-template-columns:1fr}.room-items{grid-template-columns:1fr 1fr}.board-sketch{display:none}}@media(max-width:620px){.room-board,.room-section,.room-index,.student-guidance{padding-left:24px;padding-right:24px}.room-meta{padding-left:24px;padding-right:24px}.room-items,.room-index-links{grid-template-columns:1fr}.room-board h1{font-size:3.4rem}}

.room-item em{font-style:normal;font-size:.78rem;color:var(--brass,#a98a54);margin-top:.35rem}
.room-item-role{display:block;font-family:var(--font-sans,system-ui,sans-serif);font-size:.76rem;letter-spacing:.04em;text-transform:uppercase;color:var(--brass,#a88445);margin-top:.2rem}

/* Phase 15E: room-level research program maps */
.program-map{max-width:1500px;margin:0 auto;padding:50px 54px 54px;border-bottom:1px solid var(--line);background:linear-gradient(rgba(244,240,230,.97),rgba(244,240,230,.97)),repeating-linear-gradient(0deg,transparent 0 31px,rgba(55,62,56,.055) 31px 32px)}
.program-map-head{display:grid;grid-template-columns:1fr auto;gap:36px;align-items:end;margin-bottom:24px}.program-map-head h2{font-size:2.35rem;margin:.2rem 0 .45rem}.program-map-head p:not(.eyebrow){max-width:850px;color:var(--muted);line-height:1.55}.program-map-head>a{font:12px/1.2 var(--mono);text-decoration:none;white-space:nowrap}.program-map-scroll{overflow-x:auto;border-top:1px solid rgba(80,76,68,.12);border-bottom:1px solid rgba(80,76,68,.12);padding:8px 0}.program-map-svg{display:block;width:100%;min-width:1000px;height:auto}.program-map-edge{stroke:rgba(50,54,49,.58);stroke-width:1.35;vector-effect:non-scaling-stroke}.program-map-edge-label{font-family:var(--mono);font-size:9px;fill:rgba(50,54,49,.68);text-anchor:middle;paint-order:stroke;stroke:#f4f0e6;stroke-width:5px;stroke-linejoin:round}.program-map-node{fill:rgba(250,247,239,.98);stroke:#766f62;stroke-width:1.1;vector-effect:non-scaling-stroke}.program-map-node-paper{fill:rgba(232,226,211,.98);stroke-width:1.65}.program-map-node-conjecture{stroke-dasharray:7 4}.program-map-node-open-problem{stroke-dasharray:3 4}.program-map-node-claim-boundary{stroke-width:2}.program-map-kicker{font-family:var(--mono);font-size:8px;letter-spacing:.11em;fill:#81796d}.program-map-title{font-family:var(--sans);font-size:11px;font-weight:650;fill:#2f312d}.program-map a:hover rect,.program-map a:focus rect{stroke-width:2.4}.program-map-legend{display:flex;gap:1.3rem;flex-wrap:wrap;margin-top:12px;font:11px/1.3 var(--mono);color:var(--muted)}.program-map-legend span{display:flex;align-items:center;gap:7px}.program-map-note{font:11px/1.45 var(--mono);color:var(--muted);margin-top:10px}.program-map .map-line{display:inline-block;width:27px;height:0;border-top:1.5px solid currentColor}.program-map .map-line.dashed{border-top-style:dashed}
@media(max-width:760px){.program-map{padding-left:24px;padding-right:24px}.program-map-head{grid-template-columns:1fr}.program-map-head>a{white-space:normal}.program-map-scroll{margin-inline:-6px}}

/* Phase 15J — curated structural emphasis, not graph-degree ranking. */
.program-map-node.graph-prominence-load-bearing,
.program-map-node.graph-prominence-bridge,
.program-map-node.graph-prominence-firewall{stroke-width:2.5}
.program-map-node.graph-prominence-load-bearing{fill:#ece5d2;stroke:#987238}
.program-map-node.graph-prominence-bridge{fill:#e5efeb;stroke:#5a8079}
.program-map-node.graph-prominence-firewall{fill:#f1e1dc;stroke:#955145}
.map-node-emphasis{display:inline-block;width:13px;height:13px;border:2px solid #987238;background:#ece5d2;border-radius:2px}


/* Phase 15L — visual hierarchy and typography refinement */
.room-board h1{max-width:16ch;line-height:.93;letter-spacing:-.035em}
.room-subtitle{max-width:58rem;font-size:clamp(1rem,1.5vw,1.22rem);line-height:1.55}
.room-summary{max-width:68rem;line-height:1.68}
.room-meta{font-size:.72rem;letter-spacing:.055em;opacity:.72}
.room-section-head .eyebrow,.program-map .eyebrow{letter-spacing:.14em}
.program-map{position:relative}
.program-map-head h2{font-size:clamp(1.55rem,2.5vw,2.25rem);letter-spacing:-.025em}
.program-map-head p{max-width:68rem;line-height:1.6}
.program-map-svg{filter:none}
.program-map-node-paper{stroke-width:1.15}
.graph-prominence-load-bearing{stroke-width:2.4}
.graph-prominence-bridge{stroke-width:2.15}
.graph-prominence-firewall{stroke-width:2.15;stroke-dasharray:4 3}
.program-map-edge{opacity:.68}
.program-map-edge[stroke-dasharray]{opacity:.42}
.program-map-edge-label{font-size:9px;letter-spacing:.035em;opacity:.66}
.program-map-kicker{font-size:8px;letter-spacing:.12em}
.program-map-title{font-size:10px}
.program-map-legend{font-size:.72rem;opacity:.68}
.program-map-details{opacity:.9}
.program-map-details summary span{font-weight:520}
.program-map-detail-grid{background:rgba(0,0,0,.07)}
.program-map-detail-group h3{font-weight:600}
.room-items{gap:1rem}
.room-card,.archive-card{box-shadow:none}
.student-guidance{border-left-width:2px}
.room-index h2{max-width:20ch;line-height:1.03;letter-spacing:-.025em}


/* Phase 15N — reading paths */
.reading-paths{padding:clamp(1.4rem,3vw,2.6rem) max(1.2rem,calc((100vw - 1180px)/2));border-top:1px solid rgba(255,255,255,.08)}
.reading-paths-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,1.2fr);gap:2rem;align-items:end;margin-bottom:1rem}
.reading-paths-head h2{margin:.1rem 0 0;font-size:clamp(1.55rem,2.6vw,2.35rem);letter-spacing:-.03em}
.reading-paths-head p:not(.eyebrow){margin:0;line-height:1.6;opacity:.72}
.reading-path-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:rgba(255,255,255,.09)}
.reading-path-card{background:var(--bg,#111);padding:1rem;min-height:220px}
.reading-path-card h3{margin:.15rem 0 .8rem;font-size:1rem;line-height:1.2}
.reading-path-card ol{margin:0;padding:0;list-style:none;counter-reset:path}
.reading-path-card li{counter-increment:path;display:grid;grid-template-columns:1.25rem 1fr;gap:.2rem .45rem;padding:.42rem 0;border-top:1px solid rgba(255,255,255,.07)}
.reading-path-card li:first-child{border-top:0}
.reading-path-card li:before{content:counter(path);grid-row:1 / span 2;font-family:var(--mono,monospace);font-size:.68rem;opacity:.4;padding-top:.12rem}
.reading-path-card li a{text-decoration:none;font-size:.86rem;line-height:1.3}
.reading-path-card li span{grid-column:2;font-size:.63rem;text-transform:uppercase;letter-spacing:.07em;opacity:.4}
.reading-path-empty{font-size:.8rem;line-height:1.5;opacity:.5}
@media(max-width:980px){.reading-path-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reading-paths-head{grid-template-columns:1fr}}
@media(max-width:580px){.reading-path-grid{grid-template-columns:1fr}}


@media(max-width:720px){
  .room-board{padding:1.5rem 1rem;grid-template-columns:1fr}
  .room-board h1{max-width:none;font-size:clamp(2.25rem,11vw,3.5rem)}
  .board-sketch{display:none}
  .room-meta{padding:.65rem 1rem;display:flex;overflow-x:auto;gap:1rem;white-space:nowrap}
  .program-map,.reading-paths,.room-section,.room-index,.student-guidance{padding-left:1rem;padding-right:1rem}
  .program-map-head{display:block}
  .program-map-head>a{display:inline-block;margin-top:.75rem}
  .program-map-scroll{overflow-x:auto;overscroll-behavior-inline:contain}
  .program-map-svg{min-width:900px}
  .program-map-legend{display:grid;gap:.45rem}
  .program-map-details summary{align-items:flex-start}
  .program-map-detail-grid{grid-template-columns:1fr}
  .reading-paths-head{display:block}
  .reading-paths-head>p{margin-top:.65rem}
  .reading-path-grid{grid-template-columns:1fr}
  .reading-path-card{min-height:0}
  .room-items{grid-template-columns:1fr}
  .room-index{display:block}
  .room-index-links{margin-top:1rem}
}

.graph-text-alt{margin-top:.85rem;border-top:1px solid rgba(255,255,255,.09);padding-top:.75rem}
.graph-text-alt summary{cursor:pointer;font-size:.78rem;letter-spacing:.025em;opacity:.72}
.graph-text-alt ul{margin:.7rem 0 0;padding-left:1.2rem}
.graph-text-alt li{margin:.3rem 0;line-height:1.45;font-size:.8rem}
.graph-text-alt li span{opacity:.55;font-size:.72rem}