/* Geology Explorer — cool-blue theme, aligned to Geo Explorer. Mobile-safe. */
:root{
  --bg:#04061a; --panel:rgba(18,18,28,.92); --panel-border:rgba(255,255,255,.10);
  --ink:#e0e0ee; --ink-dim:#aaaabb; --accent:#44aaff; --accent-ink:#06122a;
  --row:rgba(255,255,255,.04); --row-hover:rgba(68,170,255,.16);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;
  background:radial-gradient(ellipse 100% 80% at 50% 40%,#0a1230 0%,#04061a 60%,#02030c 100%);
  color:var(--ink);
  font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;overflow:hidden}
#app{position:fixed;inset:0;display:flex;flex-direction:column}

/* topbar */
#topbar{display:flex;align-items:center;gap:14px;justify-content:space-between;
  padding:8px 14px;background:rgba(10,10,20,.65);border-bottom:1px solid var(--panel-border);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);z-index:50;flex-wrap:wrap}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.app-brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink)}
.app-logo{width:26px;height:26px;border-radius:6px}
.app-title{font-weight:700;letter-spacing:.3px;font-size:17px;white-space:nowrap}
.hint{color:var(--ink-dim);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46vw}
.topbar-right{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.action-btn{appearance:none;cursor:pointer;border:1px solid var(--panel-border);
  background:var(--row);color:var(--ink);border-radius:8px;padding:6px 11px;font-size:13px;
  transition:background .12s,border-color .12s}
.action-btn:hover{background:var(--row-hover);border-color:var(--accent)}
.action-btn.on{background:var(--row-hover);color:var(--accent);border-color:var(--accent);font-weight:600}
/* colourful topbar icons — keep their own stroke colour in every state */
.action-btn{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.btn-ico{width:15px;height:15px;flex:0 0 auto;display:block}
.topbar-sep{width:1px;height:22px;background:var(--panel-border);margin:0 4px}

/* topbar mode switcher (segmented) */
.mode-switch{display:flex;align-items:center;gap:2px;background:var(--row);
  border:1px solid var(--panel-border);border-radius:9px;padding:2px}
.mode-btn{appearance:none;cursor:pointer;border:none;background:transparent;color:var(--ink-dim);
  border-radius:7px;padding:5px 11px;font-size:13px;white-space:nowrap;
  transition:background .12s,color .12s}
.mode-btn:hover{color:var(--ink);background:var(--row-hover)}
.mode-btn.on{background:var(--accent);color:var(--accent-ink);font-weight:600}

/* canvas area */
#canvas-area{position:relative;flex:1;min-height:0}
#scene-canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:var(--ink-dim);font-size:15px;letter-spacing:.4px;pointer-events:none}
/* on-load hint: a bottom-centred caption instead of a centred spinner */
.loading.hint-toast{inset:auto 0 20px 0;align-items:flex-end;color:var(--ink);
  font-size:13px;text-shadow:0 1px 6px rgba(0,0,0,.85);animation:hintfade .5s ease both}
@keyframes hintfade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
/* hover-pick tooltip: follows the cursor over the main scene */
.geo-pick-tooltip{position:fixed;z-index:70;pointer-events:none;transform:translate(14px,16px);
  max-width:240px;background:var(--panel);color:var(--ink);border:1px solid var(--panel-border);
  border-radius:7px;padding:4px 9px;font-size:12.5px;font-weight:600;line-height:1.35;
  box-shadow:0 6px 22px rgba(0,0,0,.55);text-shadow:0 1px 4px rgba(0,0,0,.6)}
.geo-pick-tooltip[hidden]{display:none}

/* floating panels */
.floating-panel{position:absolute;top:14px;right:14px;width:330px;max-width:calc(100vw - 28px);
  max-height:calc(100% - 28px);display:flex;flex-direction:column;background:var(--panel);
  border:1px solid var(--panel-border);border-radius:12px;overflow:hidden;z-index:40;
  box-shadow:0 12px 40px rgba(0,0,0,.5)}
.floating-panel[hidden]{display:none}
/* Horizontal auto-positioning (js/panes.js packHorizontal): the right-docked
   panes (overlays / info / minerals / legend) are arranged live along the right
   edge — or against the tutor pane's left edge while it's open — so they never
   overlap. JS drives inline `right`; this only smooths the slide and is skipped
   for panes the user has dragged (they keep their manual spot). */
body.h-autopos .floating-panel.h-managed:not([data-user-moved]){
  transition:right .22s ease, top .22s ease;
}
.library-panel{right:14px;left:auto}
.processes-panel{left:14px;right:auto}
.panel-header{display:flex;align-items:center;gap:8px;padding:9px 12px;
  border-bottom:1px solid var(--panel-border);background:rgba(0,0,0,.2)}
.panel-header-title{font-weight:600;font-size:14px}
.panel-header-spacer{flex:1}
.panel-header-search{background:var(--row);border:1px solid var(--panel-border);border-radius:7px;
  color:var(--ink);padding:4px 8px;font-size:12.5px;width:120px;max-width:40%}
.panel-header-btn{appearance:none;cursor:pointer;border:none;background:transparent;color:var(--ink-dim);
  font-size:18px;line-height:1;padding:2px 6px;border-radius:6px}
.panel-header-btn:hover{background:var(--row-hover);color:var(--ink)}
.panel-body{padding:10px 12px;overflow:auto;flex:1 1 auto;min-height:0}
.panel-empty{color:var(--ink-dim);font-size:13px;padding:8px 2px;line-height:1.5}

/* draggable header + resize grip (js/panels.js) */
.panel-drag-handle{cursor:move;touch-action:none;user-select:none}
.panel-resize{position:absolute;right:0;bottom:0;width:16px;height:16px;cursor:nwse-resize;
  touch-action:none;z-index:2;
  background:linear-gradient(135deg,transparent 0 50%,var(--panel-border) 50% 60%,transparent 60% 72%,var(--panel-border) 72% 82%,transparent 82%)}
.panel-resize:hover{background:linear-gradient(135deg,transparent 0 50%,var(--accent) 50% 60%,transparent 60% 72%,var(--accent) 72% 82%,transparent 82%)}

/* library rows */
.lib-row,.proc-row{display:flex;flex-direction:column;gap:2px;width:100%;text-align:left;cursor:pointer;
  border:1px solid transparent;border-radius:8px;background:var(--row);color:var(--ink);
  padding:8px 10px;margin-bottom:6px;transition:background .12s}
.lib-row:hover,.proc-row:hover{background:var(--row-hover);border-color:var(--accent)}
.lib-name,.proc-name{font-weight:600;font-size:13.5px}
.lib-sub,.proc-blurb{color:var(--ink-dim);font-size:12px}
.proc-cat-empty{padding:6px 2px;border-bottom:1px solid var(--panel-border);margin-bottom:4px}
.proc-cat-name{display:block;font-weight:600;font-size:13px}
.proc-cat-blurb{display:block;color:var(--ink-dim);font-size:12px}

/* overlay category toggles (topbar) */
.overlay-toggles{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.overlay-chip{appearance:none;cursor:pointer;border:1px solid var(--panel-border);
  background:var(--row);color:var(--ink-dim);border-radius:999px;padding:3px 10px;font-size:11.5px;
  transition:background .12s,color .12s,border-color .12s}
.overlay-chip:hover{border-color:var(--accent);color:var(--ink)}
.overlay-chip.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600}

/* library accordion */
.lib-accordion{display:flex;flex-direction:column;gap:6px}
.lib-section{border:1px solid var(--panel-border);border-radius:9px;overflow:hidden;background:rgba(0,0,0,.14)}
.lib-section-head{display:flex;align-items:center;gap:8px;width:100%;text-align:left;cursor:pointer;
  border:none;background:transparent;color:var(--ink);padding:8px 10px;font-size:13px;font-weight:600}
.lib-section-head:hover{background:var(--row-hover)}
.lib-section-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lib-section-count{color:var(--ink-dim);font-size:11.5px;font-weight:500;background:var(--row);
  border-radius:999px;padding:1px 8px}
.lib-section-chev{color:var(--accent);transition:transform .15s;font-size:11px}
.lib-section.open .lib-section-chev{transform:rotate(90deg)}
.lib-section-body{padding:6px 8px 8px}
.lib-row.selected{border-color:var(--accent);background:var(--row-hover)}

/* info card */
.info-photo{width:100%;border-radius:8px;margin-bottom:4px;display:block}
.info-photo-credit{font-size:11px;color:var(--ink-dim);margin:0 0 10px;line-height:1.4}
.info-field{display:flex;gap:8px;padding:4px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.info-label{color:var(--accent);font-size:12px;min-width:104px;font-weight:600}
.info-value{font-size:13px}
.info-text{font-size:13.5px;line-height:1.55;margin:10px 0}
.info-attribution{margin-top:12px;padding-top:8px;border-top:1px solid var(--panel-border);
  color:var(--ink-dim);font-size:11.5px;line-height:1.5}
.info-attribution a{color:var(--ink-dim);text-decoration:underline}
.info-attribution a:hover{color:var(--accent)}
.info-license{color:var(--accent);font-weight:600}

/* process player overlay */
.player-overlay{position:absolute;inset:0;background:rgba(2,3,12,.55);
  backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);z-index:60;display:flex;flex-direction:column}
.player-overlay[hidden]{display:none}
.player-canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.player-overlay-title-bar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;
  justify-content:space-between;padding:10px 14px;z-index:2}
.player-overlay-title{font-weight:700;font-size:16px}
.player-overlay-bar{position:absolute;left:0;right:0;bottom:0;padding:12px 16px 16px;z-index:2;
  background:linear-gradient(transparent,rgba(2,3,12,.85))}
.player-caption{font-size:14px;margin-bottom:8px;min-height:1.4em;color:var(--ink)}
.player-scrubber{width:100%;accent-color:var(--accent)}
.player-controls{display:flex;align-items:center;gap:8px;margin-top:8px;flex-wrap:wrap}
.player-btn{appearance:none;cursor:pointer;border:1px solid var(--panel-border);background:var(--row);
  color:var(--ink);border-radius:8px;padding:6px 12px;font-size:13px}
.player-btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600}
.player-btn:hover{background:var(--row-hover)}
.player-step{color:var(--ink-dim);font-size:12.5px}
.player-spacer{flex:1}
.pill-toggle{display:flex;align-items:center;gap:5px;font-size:12.5px;color:var(--ink-dim)}

/* in-scene process scrubber (Phase 3): docks at the bottom of the live canvas */
.scene-player-bar{position:absolute;left:0;right:0;bottom:0;z-index:45;padding:12px 16px 16px;
  background:linear-gradient(transparent,rgba(2,3,12,.9));pointer-events:none}
.scene-player-bar[hidden]{display:none}
.scene-player-bar > *{pointer-events:auto}
.scene-player-caption{font-size:14px;margin-bottom:8px;min-height:1.4em;color:var(--ink);
  text-shadow:0 1px 6px rgba(0,0,0,.85)}

/* quiz — docked bottom-centre (keeps the globe visible for the interactive
   location modes), matching the sibling explorer apps. */
.quiz-panel{top:auto;bottom:16px;left:50%;right:auto;transform:translateX(-50%);
  width:380px;max-width:calc(100vw - 28px);max-height:calc(100vh - 200px)}
#quiz-body{display:flex;flex-direction:column;gap:10px}
.quiz-empty{color:var(--ink-dim);font-size:13px;padding:10px 2px}
.quiz-status{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--ink-dim)}
.quiz-status strong{color:var(--ink)}
.quiz-progress{height:4px;border-radius:999px;background:var(--row);overflow:hidden}
.quiz-progress-fill{height:100%;background:var(--accent);transition:width .25s ease}
.quiz-q{font-size:14.5px;font-weight:600;line-height:1.4}
.quiz-q em{font-style:normal;color:var(--accent)}
.quiz-q-quote{display:block;margin-top:5px;font-weight:400;font-style:italic;color:var(--ink-dim)}
.quiz-photo{margin:0;border-radius:9px;overflow:hidden;border:1px solid var(--panel-border);background:#000}
.quiz-photo img{display:block;width:100%;max-height:200px;object-fit:cover}
.quiz-choices{display:flex;flex-direction:column;gap:7px}
.quiz-choice{appearance:none;cursor:pointer;text-align:left;border:1px solid var(--panel-border);
  background:var(--row);color:var(--ink);border-radius:8px;padding:9px 11px;font-size:13.5px;
  transition:background .12s,border-color .12s}
.quiz-choice:hover:not(:disabled){background:var(--row-hover);border-color:var(--accent)}
.quiz-choice:disabled{cursor:default;opacity:.85}
.quiz-choice.correct{background:rgba(86,170,90,.22);border-color:#5aa85a;color:#e7f5e7;font-weight:600}
.quiz-choice.wrong{background:rgba(190,70,70,.22);border-color:#c45a5a;color:#f5e7e7}
.quiz-feedback{font-size:13px;min-height:1px;display:flex;flex-direction:column;gap:2px}
.quiz-feedback.ok .quiz-fb-head{color:#7fce82;font-weight:600}
.quiz-feedback.no .quiz-fb-head{color:#e98b8b;font-weight:600}
.quiz-fb-explain{color:var(--ink-dim);font-size:12.5px}
.quiz-controls{display:flex;justify-content:space-between;gap:8px;margin-top:2px}
.quiz-btn{appearance:none;cursor:pointer;border:1px solid var(--panel-border);background:var(--row);
  color:var(--ink);border-radius:8px;padding:7px 14px;font-size:13px;font-weight:600}
.quiz-btn:hover:not(:disabled){background:var(--row-hover);border-color:var(--accent)}
.quiz-btn:disabled{opacity:.4;cursor:default}
.quiz-btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.quiz-results{display:flex;flex-direction:column;align-items:center;gap:6px;padding:8px 2px;text-align:center}
.quiz-title{font-size:15px;font-weight:600}
.quiz-score{font-size:30px;font-weight:700;color:var(--accent)}
.quiz-pct{font-size:14px;color:var(--ink-dim)}
.quiz-verdict{font-size:13px;color:var(--ink);max-width:260px}
.quiz-results .quiz-controls{margin-top:8px;width:100%}
.quiz-mode-list{display:flex;flex-direction:column;gap:7px}
.quiz-mode-btn{appearance:none;background:var(--row)}
.quiz-mode-label{font-size:13.5px;font-weight:600;color:var(--ink)}
.quiz-mode-sub{font-size:12px;color:var(--ink-dim)}

/* ── pane chrome (Explore / Minerals / Processes / Concept / Quiz) ─────
   The globe canvas is the persistent background; non-Explore panes are
   overlay panels mounted over it. Explore-only chrome hides off-Explore. */
body:not(.pane-explore) .explore-only{display:none !important}

.pane-overlay{position:absolute;inset:0;z-index:45;overflow:auto;
  background:radial-gradient(120% 120% at 50% 0%,rgba(4,6,26,.72),rgba(2,3,12,.93));
  backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
  display:flex;align-items:flex-start;justify-content:center}
.pane-overlay[hidden]{display:none}
.pane-inner{width:min(880px,calc(100vw - 40px));margin:34px 0 60px;padding:26px 28px;
  background:var(--panel);border:1px solid var(--panel-border);border-radius:14px;
  box-shadow:0 16px 48px rgba(0,0,0,.5)}
.pane-title{margin:0 0 8px;font-size:20px;font-weight:700;letter-spacing:.3px;color:var(--ink)}
.pane-note{margin:0;color:var(--ink-dim);font-size:14px;line-height:1.6}

/* ── folded-in 3D pane content (Minerals / Processes / Concept / Quiz) ── */
.pane-inner-3d{width:min(1180px,calc(100vw - 40px))}
/* the ONE shared Geo3D canvas, reparented into the active pane's viewport */
.pane3d-viewport{position:relative;min-height:60vh;border-radius:12px;overflow:hidden;
  background:radial-gradient(120% 120% at 50% 0%,#0a1230,#02030c);border:1px solid var(--panel-border)}
.geo3d-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab}
.geo3d-canvas:active{cursor:grabbing}

/* minerals */
.mineral-layout{display:grid;grid-template-columns:230px 1fr 250px;gap:14px;margin-top:14px}
.mineral-list{display:flex;flex-direction:column;gap:4px;max-height:64vh;overflow:auto;padding-right:4px}
.mineral-row{display:flex;align-items:center;gap:9px;text-align:left;cursor:pointer;
  border:1px solid var(--panel-border);background:var(--row);color:var(--ink);
  border-radius:8px;padding:7px 9px;font-size:13px}
.mineral-row:hover{background:var(--row-hover);border-color:var(--accent)}
.mineral-row.on{border-color:var(--accent);background:rgba(255,255,255,.06)}
.mineral-swatch{width:14px;height:14px;border-radius:4px;flex:0 0 auto;box-shadow:0 0 0 1px rgba(0,0,0,.4)}
.mineral-row-name{flex:1;font-weight:600}
.mineral-row-sys{font-size:11px;color:var(--ink-dim)}
.mineral-detail{display:flex;flex-direction:column;gap:8px;font-size:13px}
.md-name{font-size:17px;font-weight:700;color:var(--ink)}
.md-formula{color:var(--accent);font-weight:600}
.md-facts{display:grid;grid-template-columns:auto 1fr;gap:3px 10px;margin:4px 0}
.md-facts dt{color:var(--ink-dim)}
.md-facts dd{margin:0;color:var(--ink)}
.md-cta{appearance:none;cursor:pointer;border:0;border-radius:8px;padding:9px 12px;font-weight:600;
  font-size:13.5px;background:var(--accent);color:var(--accent-ink)}
.md-cta:hover{filter:brightness(1.08)}
.md-cta.secondary{background:var(--row);color:var(--ink);border:1px solid var(--panel-border)}
.md-cta.secondary:hover{background:var(--row-hover);border-color:var(--accent)}

/* processes */
.proc-layout{display:grid;grid-template-columns:250px 1fr;gap:14px;margin-top:14px}
.proc-list{display:flex;flex-direction:column;gap:5px;max-height:66vh;overflow:auto;padding-right:4px}
.proc-row{display:flex;flex-direction:column;gap:3px;text-align:left;cursor:pointer;
  border:1px solid var(--panel-border);background:var(--row);color:var(--ink);
  border-radius:9px;padding:9px 11px}
.proc-row:hover{background:var(--row-hover);border-color:var(--accent)}
.proc-row.on{border-color:var(--accent);background:rgba(255,255,255,.06)}
.proc-row-name{font-weight:600;font-size:13.5px}
.proc-row-blurb{font-size:11.5px;color:var(--ink-dim);line-height:1.4}
.proc-stage{display:flex;flex-direction:column;gap:10px}
.proc-scrubber{display:flex;flex-direction:column;gap:8px}
.proc-caption{font-size:13.5px;color:var(--ink);min-height:1.4em}
.proc-range{width:100%;accent-color:var(--accent)}
.proc-controls{display:flex;align-items:center;gap:8px}
.proc-btn{appearance:none;cursor:pointer;border:1px solid var(--panel-border);background:var(--row);
  color:var(--ink);border-radius:8px;padding:6px 12px;font-size:13px}
.proc-btn:hover{background:var(--row-hover)}
.proc-btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600;min-width:64px}
.proc-loop{display:flex;align-items:center;gap:5px;font-size:12.5px;color:var(--ink-dim);margin-left:auto}

/* quiz inside its pane */
.pane-quiz-panel{margin-top:10px}

@media(max-width:880px){
  .mineral-layout,.proc-layout{grid-template-columns:1fr}
  .pane3d-viewport{min-height:48vh}
}

/* mobile hamburger for the pane switch — hidden on desktop */
.pane-toggle{display:none;appearance:none;cursor:pointer;border:1px solid var(--panel-border);
  background:var(--row);color:var(--ink);border-radius:8px;width:34px;height:30px;
  align-items:center;justify-content:center}
.pane-toggle-bars,.pane-toggle-bars::before,.pane-toggle-bars::after{
  display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative}
.pane-toggle-bars::before,.pane-toggle-bars::after{content:"";position:absolute;left:0}
.pane-toggle-bars::before{top:-5px}
.pane-toggle-bars::after{top:5px}

/* mobile */
@media(max-width:640px){
  .hint{display:none}
  .floating-panel{width:calc(100vw - 28px);left:14px;right:14px}
  .app-title{font-size:15px}
  .action-btn{padding:5px 9px;font-size:12px}
  .mode-btn{padding:4px 8px;font-size:12px}
  .pane-toggle{display:inline-flex}
  /* collapse the segmented control into a dropdown opened by the hamburger */
  .pane-switch{position:absolute;top:48px;left:14px;z-index:60;flex-direction:column;
    align-items:stretch;gap:2px;padding:4px;display:none;
    box-shadow:0 12px 40px rgba(0,0,0,.5)}
  .pane-switch.open{display:flex}
  .pane-switch .mode-btn{padding:8px 14px;font-size:13px;text-align:left}
  .pane-inner{margin:18px 0 50px;padding:20px}
}

/* site credit */
#swc-credit{position:fixed;left:10px;bottom:9px;z-index:2147483000;
  font:500 11px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:rgba(224,224,238,.55);text-decoration:none;padding:3px 10px;border-radius:999px;
  background:rgba(4,6,26,.5);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}
#swc-credit:hover{color:#fff;background:rgba(4,6,26,.8)}
@media(max-width:640px){#swc-credit{font-size:10px;padding:2px 8px}}

/* ── Deep Time timeline ───────────────────────────────────────────── */
.deeptime-bar{position:absolute;left:14px;right:14px;bottom:14px;z-index:40;
  background:rgba(10,10,20,.86);border:1px solid var(--panel-border);border-radius:12px;
  padding:10px 14px 14px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  box-shadow:0 8px 30px rgba(0,0,0,.45)}
.dt-empty{color:var(--ink-dim);font-size:13px;padding:8px 4px;text-align:center}
.dt-head{display:flex;align-items:center;gap:14px;margin-bottom:9px}
.dt-title-wrap{display:flex;align-items:baseline;gap:9px;flex:0 0 auto}
.dt-title{font-size:14px;font-weight:700;letter-spacing:.3px;color:var(--ink)}
.dt-readout{font-size:13px;font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums}
.dt-caption{flex:1 1 auto;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;
  text-align:left;background:transparent;border:0;cursor:pointer;color:var(--ink);
  padding:4px 6px;border-radius:7px;min-width:0}
.dt-caption:hover{background:var(--row-hover)}
.dt-cap-name{font-size:13px;font-weight:600}
.dt-cap-rank{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--accent);
  border:1px solid var(--panel-border);border-radius:999px;padding:1px 7px}
.dt-cap-chain{font-size:12px;color:var(--ink-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dt-cap-hits{font-size:12px;color:var(--ink-dim);margin-left:auto;flex:0 0 auto}
.dt-track{position:relative;padding-top:4px}
.dt-band{position:relative;height:26px;margin-bottom:4px;border-radius:5px;overflow:hidden;background:var(--row)}
.dt-band-period{height:20px}
.dt-seg{position:absolute;top:0;bottom:0;border:0;border-right:1px solid rgba(0,0,0,.35);
  cursor:pointer;overflow:hidden;padding:0 4px;display:flex;align-items:center;
  color:rgba(0,0,0,.78);font:600 10px/1 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
.dt-seg:hover{filter:brightness(1.12);box-shadow:inset 0 0 0 2px rgba(255,255,255,.35)}
.dt-seg-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-shadow:0 1px 0 rgba(255,255,255,.25)}
.dt-marker{position:absolute;top:0;bottom:22px;width:2px;margin-left:-1px;
  background:var(--accent);box-shadow:0 0 6px rgba(68,170,255,.9);pointer-events:none;z-index:3}
.dt-marker::after{content:"";position:absolute;top:-3px;left:-4px;width:10px;height:10px;
  border-radius:50%;background:var(--accent);box-shadow:0 0 6px rgba(68,170,255,.9)}
.dt-scrub{position:relative;display:block;width:100%;margin:6px 0 0;height:20px;
  -webkit-appearance:none;appearance:none;background:transparent;cursor:pointer;z-index:4}
.dt-scrub:focus{outline:none}
.dt-scrub::-webkit-slider-runnable-track{height:4px;border-radius:999px;
  background:linear-gradient(90deg,var(--accent),var(--panel-border))}
.dt-scrub::-moz-range-track{height:4px;border-radius:999px;
  background:linear-gradient(90deg,var(--accent),var(--panel-border))}
.dt-scrub::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;margin-top:-7px;
  width:18px;height:18px;border-radius:50%;background:var(--accent);border:2px solid var(--accent-ink);
  box-shadow:0 1px 4px rgba(0,0,0,.5)}
.dt-scrub::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--accent);
  border:2px solid var(--accent-ink);box-shadow:0 1px 4px rgba(0,0,0,.5)}
.dt-scrub:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 3px rgba(68,170,255,.5)}
.dt-scrub:focus-visible::-moz-range-thumb{box-shadow:0 0 0 3px rgba(68,170,255,.5)}

/* library age-band dimming, driven by Deep Time scrubbing */
.lib-row--out{opacity:.32;filter:saturate(.5)}
.lib-row--inband{box-shadow:inset 3px 0 0 var(--accent)}

/* interval info card */
.info-interval-swatch{display:block;height:30px;border-radius:6px;margin-bottom:8px;
  border:1px solid rgba(0,0,0,.35)}
.info-interval-rank{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--accent)}

/* keep floating panels clear of the timeline bar while scrubbing */
body.dt-mode .library-panel,
body.dt-mode .info-panel{max-height:calc(100vh - 210px)}

@media(max-width:640px){
  .deeptime-bar{left:8px;right:8px;bottom:8px;padding:8px 10px 12px}
  .dt-head{flex-wrap:wrap;gap:6px 10px;margin-bottom:7px}
  .dt-cap-chain{display:none}
  .dt-band{height:22px}
  .dt-band-period{height:18px}
  body.dt-mode .library-panel,
  body.dt-mode .info-panel{max-height:calc(100vh - 240px)}
}

/* The daily featured-specimen card sits bottom-left; hide it while a bottom bar
   (Deep Time timeline or the in-scene process scrubber) occupies that corner,
   so it never overlaps them. */
body.dt-mode .featured-card,
.scene-player-bar:not([hidden]) ~ .featured-card{display:none}

/* ── Guided "Start here" tour ──────────────────────────────────────── */
#btn-tour{font-weight:700;background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
#btn-tour:hover{filter:brightness(1.08)}
/* Transparent, click-through overlay — the camera fly-to IS the spotlight, so
   the scene stays visible and only the popover captures clicks. */
.tour-overlay{position:fixed;inset:0;z-index:100000;pointer-events:none;background:transparent}
.tour-pop{position:fixed;left:50%;top:56px;transform:translateX(-50%);z-index:100002;
  width:380px;max-width:calc(100vw - 28px);pointer-events:auto;
  background:rgba(14,16,34,.97);border:1px solid var(--panel-border);border-radius:12px;
  padding:15px 17px 13px;box-shadow:0 18px 50px rgba(0,0,0,.6);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.tour-step{font-size:10.5px;text-transform:uppercase;letter-spacing:.8px;color:var(--accent);
  font-weight:700;margin-bottom:5px}
.tour-pop h4{margin:0 0 6px;font-size:15.5px;font-weight:700;color:var(--ink)}
.tour-pop p{margin:0 0 13px;font-size:12.8px;line-height:1.5;color:var(--ink-dim)}
.tour-actions{display:flex;align-items:center;gap:8px}
.tour-spacer{flex:1}
.tour-btn{background:var(--row);border:1px solid var(--panel-border);color:var(--ink);
  border-radius:7px;padding:7px 13px;font-size:12.5px;font-weight:600;cursor:pointer}
.tour-btn:hover{background:var(--row-hover);border-color:var(--accent)}
.tour-btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.tour-btn.primary:hover{filter:brightness(1.08)}
.tour-skip{background:none;border:none;color:var(--ink-dim);font-size:12px;cursor:pointer;padding:7px 4px}
.tour-skip:hover{color:var(--ink);text-decoration:underline}
@media(max-width:640px){
  .tour-pop{top:50px;width:calc(100vw - 20px);padding:13px 14px 11px}
}

/* ===== Process Video Library — centred modal (menu cards + player), ported from body-explorer ===== */
.anim-player { position: fixed; inset: 0; z-index: 12000; display: flex; align-items: center; justify-content: center; }
.anim-player[hidden] { display: none; }
.ap-backdrop { position: absolute; inset: 0; background: rgba(4,7,14,0.78); -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px); }
.ap-dialog { position: relative; width: min(920px, 94vw); background: #11131c; border: 1px solid #2a3145;
  border-radius: 14px; box-shadow: 0 24px 70px rgba(0,0,0,0.6); overflow: hidden; }
.ap-head { display: flex; align-items: center; gap: 8px; padding: 11px 14px; border-bottom: 1px solid #222a3c; }
.ap-title { font-weight: 700; font-size: 15px; color: #eaf2ff; flex: 1 1 auto; }
.ap-icon { background: #1b2030; color: #cdd9ef; border: 1px solid #2c3550; border-radius: 7px; width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center; cursor: pointer; font-size: 15px; line-height: 1; }
.ap-icon:hover { background: #232b40; color: #fff; }
.ap-close { font-size: 20px; }
.ap-narrate.off { opacity: .45; }
.ap-stage { position: relative; aspect-ratio: 16 / 9; background: #060912; display: flex; align-items: center; justify-content: center; }
.ap-img, .ap-video { width: 100%; height: 100%; object-fit: contain; display: block; }
.ap-caption { position: absolute; left: 0; right: 0; bottom: 0; padding: 30px 22px 16px;
  background: linear-gradient(to top, rgba(4,7,14,0.92), rgba(4,7,14,0.55) 55%, transparent);
  color: #f2f7ff; pointer-events: none; }
.ap-step-title { display: block; font-size: 12.5px; font-weight: 700; letter-spacing: .4px; text-transform: uppercase; color: #ffae6b; margin-bottom: 4px; }
.ap-step-text { display: block; font-size: 15.5px; line-height: 1.45; text-shadow: 0 1px 3px rgba(0,0,0,0.9); }
.ap-controls { display: flex; align-items: center; gap: 9px; padding: 11px 14px; border-top: 1px solid #222a3c; }
.ap-timeline { flex: 1 1 auto; display: flex; gap: 4px; height: 9px; align-items: stretch; }
.ap-seg { position: relative; padding: 0; border: none; height: 100%; background: #2a3245; border-radius: 5px; overflow: hidden; cursor: pointer; min-width: 8px; }
.ap-seg:hover { background: #36405b; }
.ap-seg.active { box-shadow: 0 0 0 1px #ff8a3d inset; }
.ap-seg-fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: linear-gradient(90deg,#ff8a3d,#ffc233); }
.ap-time { font-size: 12px; color: #93a4c4; font-variant-numeric: tabular-nums; min-width: 70px; text-align: right; }

.ap-back { width: auto; padding: 0 11px; gap: 3px; font-size: 13px; font-weight: 600; display: none; }
.ap-narrate { display: none; }
.ap-dialog.view-player .ap-back,
.ap-dialog.view-player .ap-narrate { display: inline-flex; }
.ap-player-view { display: none; }
.ap-dialog.view-player .ap-player-view { display: block; }
.ap-dialog.view-player .ap-menu { display: none; }
.ap-menu {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(192px, 1fr));
  gap: 13px; padding: 16px; max-height: min(70vh, 640px); overflow-y: auto;
}
.ap-card {
  display: flex; flex-direction: column; text-align: left; padding: 0; cursor: pointer; color: inherit; font: inherit;
  background: #161a26; border: 1px solid #29314a; border-radius: 11px; overflow: hidden;
  transition: border-color 120ms, transform 120ms, box-shadow 120ms;
}
.ap-card:hover { border-color: #ff8a3d; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0,0,0,0.45); }
.ap-card.playing { border-color: #ffc233; box-shadow: 0 0 0 1px rgba(255,194,51,0.45); }
.ap-card-thumb-wrap { position: relative; }
.ap-card-thumb { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; background: #060912; }
.ap-card-play {
  position: absolute; inset: 0; margin: auto; width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(10,14,26,0.5); border: 1.5px solid rgba(255,255,255,0.85);
  border-radius: 50%; color: #fff; font-size: 15px; padding-left: 3px;
  opacity: 0; transition: opacity 120ms; -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
}
.ap-card:hover .ap-card-play { opacity: 1; }
.ap-card-body { padding: 9px 11px 12px; }
.ap-card-title { font-size: 13.5px; font-weight: 700; color: #eaf2ff; line-height: 1.25; }
.ap-card-sys { font-size: 10px; font-weight: 600; letter-spacing: .4px; text-transform: uppercase; color: #ff8a3d; margin-top: 4px; }
.ap-card-sum { font-size: 11.5px; color: #9aa3bd; line-height: 1.4; margin-top: 5px; }