/* Framed-only M09 / M10 / M11 physiology direct-manipulation family. */
body.study-framed-page .phys-a {
  --phys-live: var(--accent);
  --phys-flow: var(--good);
  --phys-warn: var(--warn);
  --phys-stop: var(--bad);
  --phys-secondary: var(--info);
}

body.study-framed-page .phys-a .lab-v2-workbench {
  grid-template-columns: minmax(0, 1.62fr) minmax(286px, .94fr);
}

body.study-framed-page .phys-a .phys-stage {
  isolation: isolate;
  background:
    linear-gradient(color-mix(in srgb, var(--border) 22%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--border) 22%, transparent) 1px, transparent 1px),
    var(--stage-panel);
  background-size: 28px 28px;
}

body.study-framed-page .phys-a .phys-scene {
  position: absolute;
  inset: 0;
  min-width: 0;
  min-height: 0;
}

body.study-framed-page .phys-a .phys-scene[hidden] { display: none !important; }
body.study-framed-page .phys-a .phys-svg { width: 100%; height: 100%; display: block; }

body.study-framed-page .phys-a .phys-kicker,
body.study-framed-page .phys-a .phys-node-label,
body.study-framed-page .phys-a .phys-node-sub,
body.study-framed-page .phys-a .phys-slider-label,
body.study-framed-page .phys-a .phys-slider-value,
body.study-framed-page .phys-a .phys-status,
body.study-framed-page .phys-a .phys-axis-label,
body.study-framed-page .phys-a .phys-route-card text,
body.study-framed-page .phys-a .phys-retina-cell text,
body.study-framed-page .phys-a .phys-reservoir text,
body.study-framed-page .phys-a .phys-reflex-loop text,
body.study-framed-page .phys-a .phys-capillary text,
body.study-framed-page .phys-a .phys-interstitium text,
body.study-framed-page .phys-a .phys-raas-chain text,
body.study-framed-page .phys-a .phys-segment text,
body.study-framed-page .phys-a .phys-gradient text,
body.study-framed-page .phys-a .phys-urine-drop text,
body.study-framed-page .phys-a .phys-ph-scale text,
body.study-framed-page .phys-a .phys-acid-blood text,
body.study-framed-page .phys-a .phys-acid-kidney text {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

body.study-framed-page .phys-a .phys-kicker {
  fill: var(--text-muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .08em;
}

body.study-framed-page .phys-a .phys-node rect,
body.study-framed-page .phys-a .phys-route-card rect,
body.study-framed-page .phys-a .phys-reflex-loop rect,
body.study-framed-page .phys-a .phys-raas-chain > rect,
body.study-framed-page .phys-a .phys-acid-blood > rect {
  fill: color-mix(in srgb, var(--accent) 6%, var(--stage-panel));
  stroke: var(--border-strong);
  stroke-width: 1.6;
  vector-effect: non-scaling-stroke;
  transition: fill .16s ease, stroke .16s ease, opacity .16s ease;
}

body.study-framed-page .phys-a .phys-node circle,
body.study-framed-page .phys-a .phys-raas-chain circle,
body.study-framed-page .phys-a .phys-segment circle,
body.study-framed-page .phys-a .phys-acid-kidney circle {
  fill: color-mix(in srgb, var(--accent) 9%, var(--stage-panel));
  stroke: var(--border-strong);
  stroke-width: 1.8;
  vector-effect: non-scaling-stroke;
  transition: fill .16s ease, stroke .16s ease, opacity .16s ease;
}

body.study-framed-page .phys-a .phys-node-label,
body.study-framed-page .phys-a .phys-node text,
body.study-framed-page .phys-a .phys-route-card text,
body.study-framed-page .phys-a .phys-reflex-loop text,
body.study-framed-page .phys-a .phys-raas-chain text,
body.study-framed-page .phys-a .phys-segment text,
body.study-framed-page .phys-a .phys-acid-kidney text {
  fill: var(--text);
  font-size: 10px;
  font-weight: 750;
  text-anchor: middle;
}

body.study-framed-page .phys-a .phys-node-sub {
  fill: var(--text-muted);
  font-size: 8px;
  font-weight: 600;
  text-anchor: middle;
}

body.study-framed-page .phys-a .phys-node.is-live rect,
body.study-framed-page .phys-a .phys-node.is-live circle,
body.study-framed-page .phys-a .phys-route-card.is-live rect,
body.study-framed-page .phys-a [data-m11-raas-node].is-live circle,
body.study-framed-page .phys-a .phys-retina-cell.is-live circle {
  fill: color-mix(in srgb, var(--good) 13%, var(--stage-panel));
  stroke: var(--good);
}

body.study-framed-page .phys-a .phys-node.is-off,
body.study-framed-page .phys-a [data-m09b-ca-cloud].is-off { opacity: .34; }

body.study-framed-page .phys-a .phys-node.is-off rect,
body.study-framed-page .phys-a [data-m09b-node].is-off rect,
body.study-framed-page .phys-a .phys-segment.is-blocked circle,
body.study-framed-page .phys-a .phys-segment.is-blocked rect,
body.study-framed-page .phys-a [data-m11-acid-node].is-blocked circle {
  fill: color-mix(in srgb, var(--bad) 12%, var(--stage-panel));
  stroke: var(--bad);
  stroke-dasharray: 6 4;
}

body.study-framed-page .phys-a .phys-node.is-warning rect {
  fill: color-mix(in srgb, var(--warn) 12%, var(--stage-panel));
  stroke: var(--warn);
}

body.study-framed-page .phys-a .phys-link,
body.study-framed-page .phys-a .phys-flow,
body.study-framed-page .phys-a .phys-water-arrow,
body.study-framed-page .phys-a .phys-lymph,
body.study-framed-page .phys-a .phys-comp-arrow,
body.study-framed-page .phys-a .phys-filtrate {
  fill: none;
  stroke: var(--border-strong);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  marker-end: url("#m09-arrow");
  vector-effect: non-scaling-stroke;
  transition: stroke .16s ease, opacity .16s ease, stroke-width .16s ease;
}

body.study-framed-page .phys-a .phys-link.is-active,
body.study-framed-page .phys-a .phys-flow,
body.study-framed-page .phys-a .phys-filtrate { stroke: var(--good); }
body.study-framed-page .phys-a .phys-arrow { fill: context-stroke; }

body.study-framed-page .phys-a .phys-axis,
body.study-framed-page .phys-a .phys-grid,
body.study-framed-page .phys-a .phys-divider {
  fill: none;
  stroke: var(--text-muted);
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
}

body.study-framed-page .phys-a .phys-grid {
  stroke: var(--border);
  stroke-dasharray: 3 5;
  opacity: .68;
}

body.study-framed-page .phys-a .phys-axis-label {
  fill: var(--text-muted);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .06em;
  text-anchor: middle;
}

body.study-framed-page .phys-a .phys-track {
  stroke: var(--border-strong);
  stroke-width: 8;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}

body.study-framed-page .phys-a .phys-track-fill {
  stroke: var(--accent);
  stroke-width: 8;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}

body.study-framed-page .phys-a .phys-knob {
  fill: var(--accent);
  stroke: var(--stage-panel);
  stroke-width: 3;
  vector-effect: non-scaling-stroke;
}

body.study-framed-page .phys-a .phys-hit {
  fill: transparent;
  pointer-events: all;
  cursor: ew-resize;
  touch-action: none;
  transform-box: fill-box;
  transform-origin: 50% 100%;
}

body.study-framed-page .phys-a .phys-handle { border-radius: 6px; touch-action: none; }
body.study-framed-page .phys-a .phys-handle:focus-visible { outline: none; filter: drop-shadow(0 0 3px var(--accent)); }
body.study-framed-page .phys-a .phys-handle.is-disabled { opacity: .28; }
body.study-framed-page .phys-a .phys-handle.is-disabled .phys-hit { pointer-events: none; cursor: not-allowed; }

body.study-framed-page .phys-a .phys-slider-label,
body.study-framed-page .phys-a .phys-slider-value {
  fill: var(--text-muted);
  font-size: 7.5px;
  font-weight: 700;
  letter-spacing: .04em;
}

body.study-framed-page .phys-a .phys-slider-value { fill: var(--text); }
body.study-framed-page .phys-a .phys-status { fill: var(--text-dim); font-size: 9px; font-weight: 700; }

body.study-framed-page .phys-a .phys-drop {
  position: absolute;
  z-index: 4;
  left: var(--drop-x);
  top: var(--drop-y);
  min-width: 58px;
  min-height: 36px;
  padding: 4px 7px;
  color: var(--text-muted);
  background: color-mix(in srgb, var(--stage-panel) 90%, transparent);
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-control);
  cursor: pointer;
  font: 700 8px/1.15 "SFMono-Regular", Consolas, monospace;
  letter-spacing: .02em;
  transform: translate(-50%, -50%);
  transition: color .16s ease, border-color .16s ease, background .16s ease, transform .16s ease;
}

body.study-framed-page .phys-a .phys-drop:hover { color: var(--text); border-color: var(--accent); }
body.study-framed-page .phys-a .phys-drop.is-ready {
  color: var(--accent-bright);
  background: color-mix(in srgb, var(--accent) 13%, var(--stage-panel));
  border-color: var(--accent);
  border-style: solid;
  transform: translate(-50%, calc(-50% - 2px));
}
body.study-framed-page .phys-a .phys-drop:focus-visible { outline: none; box-shadow: var(--focus); }

body.study-framed-page .phys-a .phys-side {
  grid-template-rows: auto auto auto minmax(34px, 1fr) auto;
  align-content: start;
  gap: 6px;
  padding: 8px;
}

body.study-framed-page .phys-a .phys-brief {
  min-width: 0;
  padding: 6px 8px;
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
}

body.study-framed-page .phys-a .phys-round {
  margin: 0 0 2px;
  color: var(--accent);
  font: 700 8.5px/1.25 "SFMono-Regular", Consolas, monospace;
  letter-spacing: .08em;
}

body.study-framed-page .phys-a .phys-instruction {
  margin: 0;
  color: var(--text-dim);
  font-size: 9.5px;
  line-height: 1.35;
}

body.study-framed-page .phys-a .phys-toolkit {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

body.study-framed-page .phys-a .phys-toolkit[hidden] { display: none !important; }

body.study-framed-page .phys-a .phys-equation {
  grid-column: 1 / -1;
  min-width: 0;
  display: grid;
  gap: 3px;
  padding: 8px 10px;
  color: var(--text-dim);
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  font: 650 8.5px/1.3 "SFMono-Regular", Consolas, monospace;
}

body.study-framed-page .phys-a .phys-equation strong { color: var(--accent); font-size: 8px; letter-spacing: .08em; }
body.study-framed-page .phys-a .phys-equation small { color: var(--text-muted); font-size: 7.5px; }

body.study-framed-page .phys-a .phys-tool {
  min-width: 0;
  min-height: 43px;
  display: grid;
  align-content: center;
  gap: 1px;
  padding: 5px 7px;
  color: var(--text-dim);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 7px;
  cursor: grab;
  text-align: left;
  touch-action: none;
  transition: border-color .16s ease, background .16s ease, transform .16s ease;
}

body.study-framed-page .phys-a .phys-tool:hover { border-color: var(--border-strong); transform: translateY(-1px); }
body.study-framed-page .phys-a .phys-tool[aria-pressed="true"],
body.study-framed-page .phys-a .phys-tool.is-applied {
  background: color-mix(in srgb, var(--accent) 11%, var(--panel));
  border-color: var(--accent);
}
body.study-framed-page .phys-a .phys-tool strong { min-width: 0; color: var(--text); font-size: 9.5px; line-height: 1.18; overflow-wrap: anywhere; }
body.study-framed-page .phys-a .phys-tool small { min-width: 0; color: var(--text-muted); font: 500 7.5px/1.15 "SFMono-Regular", Consolas, monospace; overflow-wrap: anywhere; }

body.study-framed-page .phys-a .phys-readout {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

body.study-framed-page .phys-a .phys-readout > div {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 1px 4px;
  padding: 5px 7px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
}

body.study-framed-page .phys-a .phys-readout span { min-width: 0; color: var(--text-muted); font-size: 8px; line-height: 1.16; overflow-wrap: anywhere; }
body.study-framed-page .phys-a .phys-readout strong { color: var(--text); font: 750 12px/1 "SFMono-Regular", Consolas, monospace; font-variant-numeric: tabular-nums; }
body.study-framed-page .phys-a .phys-readout small { grid-column: 1 / -1; color: var(--text-muted); font: 500 7px/1.1 "SFMono-Regular", Consolas, monospace; }

body.study-framed-page .phys-a .phys-feedback {
  min-width: 0;
  margin: 0;
  align-self: center;
  color: var(--text-dim);
  font-size: 9px;
  line-height: 1.35;
}
body.study-framed-page .phys-a .phys-feedback[data-kind="good"] { color: var(--good); }
body.study-framed-page .phys-a .phys-feedback[data-kind="warn"] { color: var(--warn); }
body.study-framed-page .phys-a .phys-feedback[data-kind="bad"] { color: var(--bad); }

body.study-framed-page .phys-a .phys-actions {
  align-self: end;
  block-size: 34px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 5px;
}
body.study-framed-page .phys-a .phys-actions button {
  min-height: 34px;
  padding: 5px 8px;
  color: var(--text-dim);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-control);
  cursor: pointer;
  font-size: 9px;
  font-weight: 700;
  block-size: 34px;
}
body.study-framed-page .phys-a .phys-actions button:hover { color: var(--text); border-color: var(--border-strong); }
body.study-framed-page .phys-a .phys-actions [data-phys-next] { color: var(--bg); background: var(--accent); border-color: var(--accent); }
body.study-framed-page .phys-a .phys-actions button:focus-visible { outline: none; box-shadow: var(--focus); }

.phys-drag-ghost {
  position: fixed;
  z-index: 2147483600;
  max-width: 176px;
  padding: 7px 10px;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--accent);
  border-radius: 7px;
  font: 700 10px/1.2 "SFMono-Regular", Consolas, monospace;
  pointer-events: none;
  transform: translate(10px, 10px);
}

/* M09 — excitable chain, sarcomere, ANS and retina. */
body.study-framed-page .phys-m09 .phys-link { marker-end: url("#m09-arrow"); }
body.study-framed-page .phys-m09 .phys-wave { fill: none; stroke: var(--accent); stroke-width: 3; stroke-linecap: round; vector-effect: non-scaling-stroke; }
body.study-framed-page .phys-m09 .phys-membrane { fill: color-mix(in srgb, var(--info) 7%, var(--stage-panel)); stroke: var(--border-strong); stroke-width: 2; }
body.study-framed-page .phys-m09 .phys-t-tubule { fill: none; stroke: var(--accent); stroke-width: 6; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
body.study-framed-page .phys-m09 .phys-particle { fill: var(--accent); stroke: var(--stage-panel); stroke-width: 2; }
body.study-framed-page .phys-m09 .phys-z { stroke: var(--text); stroke-width: 5; vector-effect: non-scaling-stroke; }
body.study-framed-page .phys-m09 .phys-actin { fill: none; stroke: var(--good); stroke-width: 5; stroke-linecap: round; vector-effect: non-scaling-stroke; }
body.study-framed-page .phys-m09 .phys-myosin { fill: none; stroke: var(--warn); stroke-width: 9; stroke-linecap: round; vector-effect: non-scaling-stroke; }
body.study-framed-page .phys-m09 .phys-bridge { fill: none; stroke: var(--warn); stroke-width: 3; vector-effect: non-scaling-stroke; }
body.study-framed-page .phys-m09 [data-m09b-crossbridges].is-rigor .phys-bridge { stroke: var(--bad); stroke-width: 6; }
body.study-framed-page .phys-m09 .phys-route-card path { fill: none; stroke: var(--border-strong); stroke-width: 4; marker-end: url("#m09c-arrow"); }
body.study-framed-page .phys-m09 .phys-route-card.is-live path { stroke: var(--good); }
body.study-framed-page .phys-m09 .phys-retina-cell path,
body.study-framed-page .phys-m09 .phys-retina-cell circle { fill: color-mix(in srgb, var(--info) 8%, var(--stage-panel)); stroke: var(--info); stroke-width: 2; }
body.study-framed-page .phys-m09 .phys-retina-cell.is-light path { fill: color-mix(in srgb, var(--warn) 14%, var(--stage-panel)); stroke: var(--warn); }
body.study-framed-page .phys-m09 .phys-retina-cell text { fill: var(--text); font-size: 9px; font-weight: 750; text-anchor: middle; }
body.study-framed-page .phys-m09 .phys-particle-group circle { fill: var(--accent); }

/* M10 — PV loop, resistance and capillary exchange. */
body.study-framed-page .phys-m10 .phys-loop-ghost,
body.study-framed-page .phys-m10 .phys-loop-current { fill: color-mix(in srgb, var(--accent) 8%, transparent); stroke: var(--accent); stroke-width: 3; vector-effect: non-scaling-stroke; }
body.study-framed-page .phys-m10 .phys-loop-ghost { fill: none; stroke: var(--text-muted); stroke-width: 2; stroke-dasharray: 6 5; opacity: .7; }
body.study-framed-page .phys-m10 .phys-load-line { stroke: var(--warn); stroke-width: 2; stroke-dasharray: 4 4; vector-effect: non-scaling-stroke; }
body.study-framed-page .phys-m10 .phys-espvr { stroke: var(--good); stroke-width: 3; vector-effect: non-scaling-stroke; }
body.study-framed-page .phys-m10 .phys-point { fill: var(--accent); stroke: var(--stage-panel); stroke-width: 2; }
body.study-framed-page .phys-m10 .phys-reservoir > path:first-child,
body.study-framed-page .phys-m10 .phys-capillary > path,
body.study-framed-page .phys-m10 .phys-interstitium > rect:first-child { fill: color-mix(in srgb, var(--info) 5%, var(--stage-panel)); stroke: var(--border-strong); stroke-width: 2; }
body.study-framed-page .phys-m10 [data-m10-reservoir-fluid],
body.study-framed-page .phys-m10 [data-m10-water-pool] { fill: color-mix(in srgb, var(--info) 24%, var(--stage-panel)); stroke: var(--info); stroke-width: 1.5; }
body.study-framed-page .phys-m10 .phys-reservoir text,
body.study-framed-page .phys-m10 .phys-capillary text,
body.study-framed-page .phys-m10 .phys-interstitium text { fill: var(--text-dim); font-size: 9px; font-weight: 700; text-anchor: middle; }
body.study-framed-page .phys-m10 .phys-vessel-wall { fill: none; stroke: var(--text-dim); stroke-width: 18; stroke-linecap: round; vector-effect: non-scaling-stroke; transition: transform .16s ease; }
body.study-framed-page .phys-m10 [data-m10-flow-particles] circle { fill: var(--good); stroke: var(--stage-panel); stroke-width: 2; }
body.study-framed-page .phys-m10 .phys-reflex-loop path { fill: none; stroke: var(--border-strong); stroke-width: 3; marker-end: url("#m10b-arrow"); }
body.study-framed-page .phys-m10 [data-m10-albumin] circle { fill: var(--warn); stroke: var(--stage-panel); stroke-width: 2; transition: opacity .16s ease; }
body.study-framed-page .phys-m10 .phys-water-arrow { stroke: var(--info); marker-end: url("#m10c-arrow"); }
body.study-framed-page .phys-m10 .phys-water-arrow.is-reverse { marker-end: none; marker-start: url("#m10c-arrow"); }
body.study-framed-page .phys-m10 .phys-lymph { stroke: var(--good); marker-end: url("#m10c-arrow"); }
body.study-framed-page .phys-m10 .phys-action-tool { grid-column: 1 / -1; cursor: pointer; }

/* M11 — renal hemodynamics, nephron flow and acid/base. */
body.study-framed-page .phys-m11 .phys-afferent,
body.study-framed-page .phys-m11 .phys-efferent { fill: none; stroke: var(--bad); stroke-linecap: round; vector-effect: non-scaling-stroke; transition: stroke-width .16s ease; }
body.study-framed-page .phys-m11 .phys-glomerulus circle { fill: color-mix(in srgb, var(--bad) 9%, var(--stage-panel)); stroke: var(--bad); stroke-width: 2; }
body.study-framed-page .phys-m11 .phys-glomerulus path:not(.phys-afferent):not(.phys-efferent):not(.phys-filtrate) { fill: none; stroke: var(--bad); stroke-width: 5; }
body.study-framed-page .phys-m11 .phys-glomerulus text { fill: var(--text-dim); font: 700 9px/1 "SFMono-Regular", Consolas, monospace; }
body.study-framed-page .phys-m11 .phys-raas-chain [data-m11-raas-link].is-blocked { stroke: var(--bad); stroke-dasharray: 5 4; }
body.study-framed-page .phys-m11 .phys-nephron { fill: none; stroke: var(--accent); stroke-width: 14; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
body.study-framed-page .phys-m11 .phys-segment rect { fill: color-mix(in srgb, var(--accent) 7%, var(--stage-panel)); stroke: var(--border-strong); stroke-width: 2; }
body.study-framed-page .phys-m11 .phys-segment.is-blocked rect { fill: color-mix(in srgb, var(--bad) 12%, var(--stage-panel)); stroke: var(--bad); stroke-dasharray: 6 4; }
body.study-framed-page .phys-m11 [data-m11-aqp2] path { stroke: var(--info); stroke-width: 6; stroke-linecap: round; }
body.study-framed-page .phys-m11 .phys-gradient rect { fill: color-mix(in srgb, var(--warn) 20%, var(--stage-panel)); stroke: var(--warn); stroke-width: 1; }
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