/* ===== v2: one-screen app homepage / doc pages / map tip ===== */
html,body{height:100%}
body.app{display:flex;flex-direction:column;height:100dvh;overflow:hidden}
body.app .site-header{flex:0 0 auto}
.app-main{flex:1;min-height:0;display:flex}
body.app .map-section{flex:1;min-height:0;display:flex;flex-direction:column;padding:12px 16px 8px}
body.app .map-layout{flex:1;min-height:0}
body.app .map-wrap{height:auto;min-height:0}
body.app .panel{overflow-y:auto}
body.app .timeline{flex:0 0 auto;padding-bottom:2px}
.doc-main{padding-bottom:8px}
.doc-strip{padding:10px 28px 0}
.map-tip{position:absolute;z-index:7;pointer-events:none;background:rgba(38,36,30,.93);color:#F5F2EA;
  font-size:12.5px;padding:5px 10px;border-radius:4px;white-space:nowrap;transform:translate(14px,16px)}
.map-hint{position:absolute;left:50%;transform:translateX(-50%);bottom:28px;z-index:5;pointer-events:none;
  background:rgba(252,250,243,.88);border:1px solid var(--line);border-radius:20px;padding:4px 14px;
  font-size:12px;color:#6E6852;white-space:nowrap}
@media (max-width:900px){
  body.app .map-layout{flex-direction:column}
  body.app .panel{width:auto;flex:0 1 auto;max-height:42%;overflow-y:auto}
  body.app .map-wrap{height:auto;min-height:0;flex:1}
  .map-hint{display:none}
}

/* ===== v3: full-bleed map, glass overlays, zero scrollbars ===== */
html,body{overflow:hidden}
::-webkit-scrollbar{width:0;height:0}
*{scrollbar-width:none}
body{display:flex;flex-direction:column;height:100dvh}
.glass{background:rgba(252,250,243,.78);backdrop-filter:blur(14px) saturate(1.3);
  -webkit-backdrop-filter:blur(14px) saturate(1.3);
  border:1px solid rgba(176,32,42,.18);box-shadow:0 12px 32px rgba(38,36,30,.16)}
.site-header{padding:8px 22px;flex:0 0 auto}
.brand-mark{width:42px;height:42px}
.brand-name{font-size:23px}
.brand-sub{font-size:11.5px}
.site-nav a{font-size:15px;letter-spacing:.05em}
.app-main{flex:1;min-height:0;display:flex}
.map-wrap{flex:1;min-height:0;border:none;border-radius:0;background:#EFE9D8}

/* floating layer panel on the map */
.panel{position:absolute;left:16px;top:16px;z-index:8;width:302px;
  max-height:calc(100% - 110px);overflow:hidden;border-radius:14px;padding:14px 16px 12px}
.panel-head{display:flex;align-items:flex-start;justify-content:space-between}
.panel-head h2{margin:0 0 8px}
.panel-close{border:none;background:none;font-size:24px;line-height:1;color:var(--grey);
  cursor:pointer;padding:0 2px}
.panel-close:hover{color:var(--brick)}
.layers-open-btn{position:absolute;left:16px;top:16px;z-index:8;display:none;
  font-family:var(--sans);font-size:14px;font-weight:700;color:var(--ink);
  border-radius:10px;padding:9px 16px;cursor:pointer}
.map-wrap.panel-collapsed .panel{display:none}
.map-wrap.panel-collapsed .layers-open-btn{display:inline-block}
.map-wrap.panel-collapsed .map-tagline{left:128px}
.map-wrap.panel-collapsed .timeline{left:16px}

.map-tagline{left:334px;top:16px;border-left:4px solid var(--brick);border-radius:8px}
.timeline{position:absolute;left:334px;right:16px;bottom:14px;z-index:6;
  border-radius:12px;padding:8px 14px;flex-wrap:nowrap}
.tl-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tl-hint{font-size:12px;color:#6E6852;white-space:nowrap}
.tl-coords{margin-left:auto;font-family:var(--mono);font-size:11.5px;color:#6E6852;white-space:nowrap}
.dossier{bottom:76px;border-top:5px solid var(--brick)}
.map-foot{display:none}
.map-hint{display:none}

/* doc pages: one screen, compact grid */
.doc-main{flex:1;min-height:0;display:flex;flex-direction:column}
.atlas-main{padding:14px 22px 4px;gap:14px}
.atlas-top{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;flex:0 0 auto}
.atlas-cols{flex:1;min-height:0;display:grid;grid-template-columns:1fr 1.25fr;gap:20px}
.doc-card{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--brick);
  border-radius:10px;padding:12px 18px 10px;overflow:hidden}
.doc-card h3{font-family:var(--serif);font-size:18px;margin:0 0 5px}
.doc-card p{margin:0;color:#55503F;font-size:13.5px;line-height:1.6}
.atlas-cols .essay{max-width:none;margin:0}
.atlas-cols .essay h2{font-size:20px;margin:0 0 8px;padding-bottom:6px}
.atlas-cols .essay p{font-size:14px;color:#3B382C;margin:0 0 8px}
.atlas-cols .method-list{font-size:13.5px;line-height:1.6;margin:0}
.atlas-cols .method-list li{margin:5px 0}
.about-main{align-items:center;justify-content:center;padding:14px 22px}
.about-card{max-width:820px;width:100%}
.about-card h2{font-size:21px;margin:0 0 8px;border-bottom:1px solid var(--line);padding-bottom:7px}
.about-card p{font-size:14.5px;color:#3B382C;margin:0 0 8px}
.site-footer{flex:0 0 auto;margin-top:0;padding:10px 22px 12px}

/* short screens: compact the panel instead of scrolling it */
@media (max-height:820px){
  .legend{display:none}
  .layer-list li{padding:6px 0}
  .snapshot-note{padding-top:8px}
}
@media (max-width:1250px){ .tl-hint{display:none} }
@media (max-width:900px){
  .panel{width:calc(100% - 32px);max-height:52%}
  .map-tagline{display:none}
  .timeline{left:16px}
  .tl-note{display:none}
  .atlas-top{grid-template-columns:1fr}
  .atlas-cols{grid-template-columns:1fr}
  .dossier{bottom:70px}
}

/* v3.1 mobile compaction */
@media (max-width:900px){
  .panel .legend,.panel .snapshot-note{display:none}
  .panel .layer-meta small{display:none}
  .panel .layer-list li{padding:7px 0}
  .panel{max-height:64%}
  .site-footer .fine{display:none}
  .atlas-main{padding:10px 12px 2px;gap:10px}
  .atlas-top{gap:10px}
  .atlas-cols{gap:10px}
  .doc-card{padding:10px 12px 8px}
  .doc-card p{font-size:12.5px;line-height:1.55}
  .atlas-cols .essay h2{font-size:17px}
  .atlas-cols .essay p{font-size:12.5px;line-height:1.55}
  .atlas-cols .method-list{font-size:12px;line-height:1.5}
}

/* v3.2 specificity fixes + phone layout (multi-column kept, compact type) */
@media (max-width:900px){
  body.app .panel{max-height:66%;overflow:hidden}
  .site-header{padding:6px 14px;gap:10px}
  .brand-sub{display:none}
  .brand-name{font-size:20px}
  .brand-mark{width:34px;height:34px}
  .site-nav{gap:14px}
  .atlas-top{grid-template-columns:repeat(3,1fr)}
  .atlas-cols{grid-template-columns:1fr 1.25fr}
  .doc-card h3{font-size:14px}
  .doc-card p{font-size:11.5px;line-height:1.5}
  .atlas-cols .essay h2{font-size:15px}
  .atlas-cols .essay p{font-size:11.5px;line-height:1.5}
  .atlas-cols .method-list{font-size:11px;line-height:1.45}
  .atlas-cols .method-list li{margin:3px 0}
}
@media (max-width:900px){
  .atlas-main{padding-top:8px;gap:8px}
  .atlas-cols .method-list li{margin:2px 0}
  .atlas-cols .essay h2{margin-bottom:5px;padding-bottom:4px}
}

/* v3.3: larger hit area for the panel close button */
.panel-close{padding:7px 9px;margin:-5px -4px 0 0;font-size:26px}