/* ===================================================================
   DidemBio — fresh concepts (2026-06), shared interactive components.
   Loaded on top of styles.css. Confident framing, real data only.
   =================================================================== */

/* ---------- device / canvas frame ---------- */
.device {
  background: var(--ink);
  border: 1px solid var(--ink-600);
  border-radius: 16px;
  box-shadow: 0 30px 80px -40px rgba(11,31,58,.55);
  overflow: hidden;
  position: relative;
}
.device .bar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--ink-600);
  background: var(--ink-deep);
}
.device .bar .dot { width: 10px; height: 10px; border-radius: 50%; background: #2b496f; }
.device .bar .dot.live { background: var(--signal); }
.device .bar .title { font-family: var(--font-mono); font-size: 11px; color: var(--muted-on-dark); letter-spacing: .08em; margin-left: 6px; }
.device .bar .right { margin-left: auto; font-family: var(--font-mono); font-size: 10.5px; color: var(--muted-on-dark); }
.device .canvas { position: relative; }

/* ---------- UMAP scatter ---------- */
.umapsvg { width: 100%; height: auto; display: block; }
.umapsvg .pt { opacity: 0; transition: opacity .55s var(--ease), fill .6s var(--ease); }
.umapsvg.show .pt { opacity: .92; }
.umapsvg.gray .pt { fill: #5b6b82 !important; }
.umapsvg .lab { opacity: 0; transition: opacity .5s var(--ease); font-family: var(--font-mono); font-size: 11px; font-weight: 500; }
.umapsvg.label .lab { opacity: 1; }
.umapsvg .lab .swatch { /* placeholder */ }

/* ---------- raw count matrix ---------- */
.matrix rect { transition: opacity .5s var(--ease); }

/* ---------- QC scatter ---------- */
.qcsvg .qpt { transition: opacity .5s var(--ease); }
.qcsvg .cut { stroke: var(--coral); stroke-width: 1.4; stroke-dasharray: 5 4; }

/* ---------- volcano ---------- */
.volcanosvg .vpt { opacity: 0; transition: opacity .5s var(--ease); }
.volcanosvg.show .vpt { opacity: .85; }

/* ---------- stacked layers (scrolly canvas) ---------- */
.layers { position: relative; }
.layer { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .5s var(--ease); display: flex; align-items: center; justify-content: center; padding: 26px; }
.layer.on { opacity: 1; visibility: visible; }
.layer .inner { width: 100%; }
.layer .stagecap { position: absolute; left: 20px; bottom: 16px; font-family: var(--font-mono); font-size: 11px; color: var(--muted-on-dark); letter-spacing: .06em; }

/* ---------- methods document ---------- */
.methodsdoc { background: #fff; border-radius: 10px; padding: 22px 24px; color: #1A1F2E; max-width: 520px; box-shadow: 0 10px 30px -16px rgba(0,0,0,.5); }
.methodsdoc .mh { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.methodsdoc .mh .pill { background: rgba(20,184,166,.14); color: var(--signal-deep); padding: 2px 8px; border-radius: 100px; letter-spacing: .06em; }
.methodsdoc .mtext { font-size: 14.5px; line-height: 1.72; color: #2a3142; font-family: var(--font-body); min-height: 6em; }
.methodsdoc .mtext .cite { color: var(--signal-deep); font-weight: 600; white-space: nowrap; }
.caret { display: inline-block; width: 2px; height: 1em; background: var(--signal); vertical-align: -0.12em; margin-left: 1px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.methodsdoc .cites { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--divider); display: flex; flex-wrap: wrap; gap: 7px; }
.citechip { font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); border: 1px solid var(--divider); border-radius: 100px; padding: 4px 10px; }
.copybtn { margin-top: 14px; }
.copybtn.ok { background: var(--signal); color: var(--ink); }

/* ---------- tab widget (live report) ---------- */
.rtabs { display: flex; gap: 4px; padding: 10px 12px; border-bottom: 1px solid var(--ink-600); background: var(--ink-deep); flex-wrap: wrap; }
.rtab { font-family: var(--font-mono); font-size: 12px; padding: 7px 13px; border-radius: 7px; color: var(--muted-on-dark); cursor: pointer; border: 1px solid transparent; transition: background .15s, color .15s; user-select: none; }
.rtab:hover { color: #fff; }
.rtab:hover:not(.active) { background: rgba(255,255,255,.05); }
.rtab:active { transform: translateY(1px); }
.rtab:focus-visible, .ms-head .seg button:focus-visible, .assay:focus-visible, .copybtn:focus-visible { outline: 2px solid var(--signal-light); outline-offset: 2px; }
.rtab.active { background: var(--signal); color: var(--ink); font-weight: 600; }
.rpanel { display: none; padding: 22px; min-height: 360px; }
.rpanel.active { display: block; animation: fade .35s var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* tiny report tables / stats on dark */
.rtable { width: 100%; border-collapse: collapse; }
.rtable td, .rtable th { padding: 8px 10px; border-bottom: 1px solid var(--ink-600); text-align: left; font-size: 13px; color: #d6deea; }
.rtable th { font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-on-dark); }
.rtable .sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 8px; vertical-align: -1px; }
.rstat { font-family: var(--font-display); font-weight: 750; color: #fff; font-size: 30px; letter-spacing: -0.02em; }
.rstat .u { font-size: .5em; color: var(--signal-light); }

/* ---------- assay configurator ---------- */
.assaybar { display: flex; flex-wrap: wrap; gap: 10px; }
.assay {
  font-family: var(--font-mono); font-size: 13px; padding: 10px 16px; border-radius: 100px;
  border: 1px solid var(--divider); background: var(--white); color: var(--text); cursor: pointer;
  transition: all .15s var(--ease); display: inline-flex; align-items: center; gap: 8px;
}
.assay:hover { border-color: var(--ink); transform: translateY(-1px); }
.assay.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.assay.active .d { background: var(--signal-light); }
.assay .d { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); }
.assay.more { border-style: dashed; color: var(--muted); cursor: default; }
.assay.more:hover { transform: none; border-color: var(--divider); }

.configout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; margin-top: 26px; }
@media (max-width: 820px){ .configout { grid-template-columns: 1fr; } }
.cfg-steps { display: flex; flex-direction: column; gap: 2px; }
.cfg-step { display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; border-bottom: 1px solid var(--divider); }
.cfg-step .num { font-family: var(--font-mono); font-size: 11px; color: var(--signal-deep); min-width: 24px; }
.cfg-step .lbl { font-size: 14.5px; color: var(--text); }
.cfg-card { background: var(--ink); color: #fff; border-radius: var(--r-md); padding: 24px; }
.cfg-card .k { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-on-dark); }
.cfg-card .big { font-family: var(--font-display); font-weight: 750; font-size: 40px; letter-spacing: -0.03em; margin-top: 10px; }
.cfg-card .big .u { font-size: .42em; color: var(--signal-light); }
.cfg-card .desc { color: #c8d3e2; font-size: 13.5px; line-height: 1.55; margin-top: 8px; }
.cfg-card .price { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--ink-600); font-family: var(--font-mono); font-size: 14px; color: var(--signal-light); }
.fadein { animation: fade .4s var(--ease); }

/* ---------- scrolly layout ---------- */
.scrolly { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: start; }
.scrolly .steps { display: flex; flex-direction: column; }
.step-block { min-height: 78vh; display: flex; flex-direction: column; justify-content: center; }
.step-block .sidx { font-family: var(--font-mono); font-size: 12px; color: var(--signal-deep); letter-spacing: .14em; }
.step-block h3 { font-size: clamp(24px, 2.6vw, 34px); margin: 14px 0 14px; letter-spacing: -0.02em; }
.step-block p { color: var(--muted); font-size: 16.5px; line-height: 1.6; max-width: 46ch; }
.step-block .micro { margin-top: 16px; font-family: var(--font-mono); font-size: 12px; color: var(--signal-deep); }
.sticky-wrap { position: sticky; top: 90px; height: min(74vh, 560px); }
.sticky-wrap .device, .sticky-wrap .layers { height: 100%; }
.sticky-wrap .canvas { height: calc(100% - 45px); }
@media (max-width: 900px){
  .scrolly { grid-template-columns: 1fr; gap: 0; }
  .sticky-wrap { position: sticky; top: 60px; height: 60vh; margin-bottom: 24px; order: -1; }
  .step-block { min-height: 64vh; }
  /* let the Methods layer (the scroll's payoff) scroll instead of clip inside the device */
  .layers .layer { align-items: flex-start; overflow-y: auto; -webkit-overflow-scrolling: touch; padding: 18px; }
  .layers .layer .inner { margin: auto 0; }
  .layers .layer[data-l="methods"] .inner { margin: 0; }
  .methodsdoc { max-width: 100%; padding: 16px 18px; }
  .methodsdoc .mtext { font-size: 13.5px; line-height: 1.6; min-height: 0; }
}
@media (max-width: 760px){
  .rtab { padding: 11px 13px; }            /* >=40px tap target */
  .rtabs { gap: 6px; }
  .rpanel { padding: 16px; }
  .rpanel[data-p="clusters"] { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .rtable { min-width: 300px; }
  .rtable td, .rtable th { padding: 8px 7px; font-size: 12px; }
}

@media (prefers-reduced-motion: reduce){
  /* points stay visible via the .show class; just kill the transitions so state changes (incl. dimming) are instant */
  .umapsvg .pt, .volcanosvg .vpt { transition: none; }
  .caret { animation: none; }
  .layer { transition: none; }
  .rpanel.active { animation: none; }
}