:root{--bg: #071018;--bg-panel: #0d1620;--bg-elevated: #121c28;--stroke: rgba(148, 175, 200, .18);--text: #e8eef5;--text-muted: #8fa3b8;--accent: #3db8a8;--accent-soft: rgba(61, 184, 168, .15);--myo: #d0606c;--font-display: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;--font-ui: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;--font-mono: "IBM Plex Mono", "SF Mono", ui-monospace, monospace;--radius: 10px}@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:600 700;font-display:swap;src:local("Source Serif 4"),local("Source Serif Pro"),local("Georgia")}@font-face{font-family:IBM Plex Sans;font-style:normal;font-weight:400 600;font-display:swap;src:local("IBM Plex Sans"),local("Segoe UI")}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font-ui);color:var(--text);background:radial-gradient(1200px 700px at 70% 20%,#122033 0%,transparent 55%),radial-gradient(900px 600px at 10% 90%,#1a1218 0%,transparent 50%),var(--bg);-webkit-font-smoothing:antialiased}button,input{font:inherit}.app{display:grid;grid-template-columns:minmax(280px,340px) 1fr;height:100%;min-height:100vh}.anatomy-panel{display:flex;flex-direction:column;gap:1.25rem;padding:1.5rem 1.35rem;background:linear-gradient(180deg,var(--bg-panel),#0a121a);border-right:1px solid var(--stroke);overflow:auto}.anatomy-eyebrow{margin:0 0 .35rem;font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}.anatomy-title{margin:0;font-family:var(--font-display);font-size:1.85rem;font-weight:700;letter-spacing:-.02em;line-height:1.15}.anatomy-lede{margin:.65rem 0 0;font-size:.92rem;line-height:1.5;color:var(--text-muted)}.anatomy-section{display:flex;flex-direction:column;gap:.65rem}.anatomy-section-title{margin:0;font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted)}.structure-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.35rem}.structure-btn{width:100%;display:flex;align-items:center;gap:.7rem;padding:.55rem .7rem;border:1px solid transparent;border-radius:var(--radius);background:transparent;color:var(--text);text-align:left;cursor:pointer;transition:background .15s ease,border-color .15s ease}.structure-btn:hover{background:var(--bg-elevated)}.structure-btn--active{background:var(--accent-soft);border-color:#3db8a859}.structure-swatch{width:.7rem;height:.7rem;border-radius:2px;background:var(--swatch, var(--myo));flex-shrink:0}.structure-btn-text{display:flex;flex-direction:column;gap:.1rem;min-width:0}.structure-abbr{font-family:var(--font-mono);font-size:.78rem;font-weight:600;color:var(--accent)}.structure-name{font-size:.9rem}.anatomy-control{display:flex;flex-direction:column;gap:.4rem;font-size:.88rem}.anatomy-control-row{display:flex;justify-content:space-between;gap:.5rem}.anatomy-control-value{font-family:var(--font-mono);color:var(--text-muted)}.anatomy-control input[type=range]{width:100%;accent-color:var(--accent)}.anatomy-toggle{display:flex;align-items:center;gap:.65rem;padding:.55rem .15rem;font-size:.88rem;cursor:pointer;-webkit-user-select:none;user-select:none}.anatomy-toggle input{width:1.05rem;height:1.05rem;accent-color:var(--accent);flex-shrink:0}.anatomy-detail{margin-top:auto;padding-top:1rem;border-top:1px solid var(--stroke)}.anatomy-detail-abbr{margin:0 0 .4rem;font-family:var(--font-mono);font-size:.85rem;color:var(--accent)}.anatomy-detail-body{margin:0;font-size:.9rem;line-height:1.55}.anatomy-detail-body--muted{color:var(--text-muted)}.anatomy-stage{position:relative;min-width:0;min-height:0}.anatomy-viewport{position:absolute;top:0;right:0;bottom:0;left:0}.anatomy-viewport>div:first-child{position:absolute!important;top:0;right:0;bottom:0;left:0;width:100%!important;height:100%!important}.anatomy-viewport>div:first-child canvas{display:block;width:100%!important;height:100%!important}.orientation-cube-overlay{position:relative;top:auto;right:auto;z-index:20;width:148px;padding:.35rem .35rem .4rem;border-radius:12px;border:1px solid rgba(138,160,187,.45);background:linear-gradient(165deg,#0a121ceb,#060c14e0);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);overflow:visible;pointer-events:auto;box-shadow:0 8px 28px #00000059;flex:none}.viewport-top-right{position:absolute;top:.55rem;right:.55rem;z-index:20;display:flex;flex-direction:row;align-items:flex-start;gap:.45rem;pointer-events:none}.viewport-top-right>*{pointer-events:auto}.viewport-controls-stack{display:flex;flex-direction:column;align-items:stretch;gap:.35rem;flex:none}.heart-version-viewport{display:flex;flex-direction:column;align-items:stretch;gap:.2rem;padding:.3rem .35rem;border-radius:10px;border:1px solid rgba(138,160,187,.45);background:linear-gradient(165deg,#0a121ceb,#060c14e0);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 8px 28px #00000059;flex:none;width:100%}.heart-version-viewport-label{font-family:var(--font-mono);font-size:.58rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:#9eb6d4;text-align:center;line-height:1.2;white-space:nowrap}.heart-version-toggle--compact{width:100%;min-width:0}.heart-version-toggle--compact .heart-version-btn{min-width:0;flex:1;padding:5px 4px;font-family:var(--font-mono);font-size:.68rem}.orientation-cube-banner{font-family:var(--font-mono);font-size:.58rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:#9eb6d4;text-align:center;margin-bottom:.25rem;line-height:1.25}.orientation-cube-scene{width:100%;height:118px;perspective:520px;display:grid;place-items:center}.orientation-cube{position:relative;transform-style:preserve-3d;will-change:transform}.orientation-cube-face{position:absolute;left:50%;top:50%;border:2px solid;border-radius:6px;font-family:var(--font-mono);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.1rem;backface-visibility:hidden;padding:0;box-shadow:inset 0 0 22px #00000073,0 0 0 1px #ffffff0a}.orientation-cube-face-letter{font-size:1.55rem;font-weight:800;line-height:1;text-shadow:0 1px 2px rgba(0,0,0,.55)}.orientation-cube-face-caption{font-size:.62rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;opacity:.92}.orientation-cube-face:hover{filter:brightness(1.2)}.orientation-cube-face--active{box-shadow:inset 0 0 18px #0000004d,0 0 16px #7dffb073,0 0 0 2px #7dffb08c}.orientation-cube-status{display:flex;align-items:center;justify-content:center;gap:.35rem;margin-top:.3rem;min-height:1.1rem;font-family:var(--font-mono);font-size:.68rem;color:#c5d4e8}.orientation-cube-status-swatch{width:.55rem;height:.55rem;border-radius:2px;flex:none}.orientation-cube-status-id{font-weight:800;color:#fff}.orientation-cube-status-name{color:#9eb6d4}.anatomy-viewport-hint{position:absolute;left:50%;bottom:1.1rem;transform:translate(-50%);padding:.4rem .85rem;border-radius:999px;border:1px solid var(--stroke);background:#080e16b8;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font-size:.75rem;color:var(--text-muted);pointer-events:none;white-space:nowrap}.anatomy-label{display:flex;flex-direction:column;align-items:flex-start;gap:.05rem;padding:.28rem .5rem;border:1px solid color-mix(in srgb,var(--label-color, #ff8894) 55%,transparent);border-radius:6px;background:#080e16e0;color:var(--text);cursor:pointer;white-space:nowrap;transform:translateZ(0)}.anatomy-label-abbr{font-family:var(--font-mono);font-size:.72rem;font-weight:700;color:var(--label-color, #ff8894)}.anatomy-label-name{font-size:.68rem;color:var(--text-muted)}.anatomy-label--selected{border-color:var(--accent);box-shadow:0 0 0 1px #3db8a859}.anatomy-label--live{box-shadow:0 0 0 1px #3dff8a73}.anatomy-label--live .anatomy-label-abbr{color:#7dffb0}@media (max-width: 860px){.app{grid-template-columns:1fr;grid-template-rows:auto minmax(55vh,1fr)}.anatomy-panel{border-right:none;border-bottom:1px solid var(--stroke);max-height:42vh}.anatomy-viewport-hint{font-size:.68rem;white-space:normal;text-align:center;max-width:90%}}.conduction-3d-label{display:inline-block;padding:2px 6px;border-radius:4px;background:#070d14bf;border:1px solid rgba(61,255,138,.35);color:#7dffb0;font-size:10px;font-weight:700;letter-spacing:.06em;font-family:IBM Plex Mono,SF Mono,ui-monospace,monospace;white-space:nowrap;pointer-events:none;-webkit-user-select:none;user-select:none}.conduction-3d-label--dim{color:var(--text-dim);border-color:#9fb0cc40}.conduction-3d-label--block{color:#fca5a5;border-color:#f871718c}.conduction-status{margin-top:10px;padding:8px 10px;border-radius:8px;background:var(--bg-2);border:1px solid var(--border);font-size:12.5px;color:var(--text);text-align:center}.conduction-legend{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:10px;font-size:12px;color:var(--text-dim)}.conduction-drag-hint{margin-left:8px;padding:2px 8px;border-radius:999px;border:1px solid rgba(56,189,248,.35);color:var(--accent-2);font-size:11px}.conduction-toolbar{position:relative;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:4px;pointer-events:auto}.conduction-toolbar .panel-title{margin:0}.heart-version-toggle{display:inline-flex;width:100%;border:1px solid var(--stroke);border-radius:999px;overflow:hidden;background:var(--bg-elevated);position:relative;z-index:50;pointer-events:auto;isolation:isolate}.heart-version-btn{flex:1;border:0;background:transparent;color:var(--text-muted);font-size:11px;font-weight:600;padding:6px 8px;cursor:pointer;pointer-events:auto}.heart-version-btn--active{background:#3db8a82e;color:var(--accent)}.anatomy-layer-bar{position:relative;z-index:40;display:flex;flex-direction:column;gap:8px;margin-bottom:10px;padding:10px 12px;border-radius:10px;border:1px solid rgba(159,176,204,.2);background:#ffffff08;pointer-events:auto}.anatomy-layer-title{display:flex;flex-direction:column;gap:2px;font-size:12px;color:var(--text-dim)}.anatomy-layer-title strong{color:var(--text);font-size:13px}.anatomy-layer-toggles{display:flex;flex-wrap:wrap;gap:8px}.anatomy-layer-btn{flex:1 1 calc(50% - 8px);border:1px solid var(--border);border-radius:8px;background:var(--bg-2);color:var(--text-dim);font-size:12px;font-weight:600;padding:8px 6px;cursor:pointer}.anatomy-layer-btn--active{border-color:#38bdf88c;background:#38bdf824;color:var(--accent-2)}.territory-legend{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:10px}.territory-chip{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--text-dim)}.territory-swatch{width:10px;height:10px;border-radius:2px;box-shadow:0 0 0 1px #ffffff26}.lead-pin{display:inline-flex;align-items:center;gap:4px;padding:0;border:0;background:transparent;cursor:pointer;pointer-events:auto;transform:translateY(-50%)}.lead-pin-square{width:12px;height:12px;border-radius:2px;background:var(--pin-color, #3b82f6);box-shadow:0 0 0 1px #ffffff59,0 2px 6px #00000073}.lead-pin-name{padding:1px 5px;border-radius:3px;background:#070d14d1;border:1px solid color-mix(in srgb,var(--pin-color, #3b82f6) 55%,transparent);color:#e8eefc;font-size:10px;font-weight:700;font-family:IBM Plex Mono,SF Mono,ui-monospace,monospace}.lead-pin--selected .lead-pin-square{width:14px;height:14px;box-shadow:0 0 0 2px #fff,0 0 10px var(--pin-color, #3b82f6)}.lead-pin--selected .lead-pin-name{border-color:#fff;color:#fff}.lead-pin--dimmed{opacity:.28}.electrode-tag{display:inline-flex;flex-direction:column;align-items:flex-start;gap:1px;max-width:140px;padding:3px 7px;border-radius:6px;border:1px solid color-mix(in srgb,var(--electrode-color, #94a3b8) 60%,transparent);background:#070d14e0;color:#e8eefc;cursor:pointer;text-align:left;line-height:1.2;box-shadow:0 2px 8px #0006}.electrode-tag-id{font-size:11px;font-weight:800;font-family:IBM Plex Mono,SF Mono,ui-monospace,monospace;color:var(--electrode-color, #94a3b8)}.electrode-tag-place{font-size:9px;color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:126px}.electrode-tag--focused{border-color:#fff;box-shadow:0 0 0 1px #fff,0 0 12px color-mix(in srgb,var(--electrode-color, #94a3b8) 55%,transparent)}.electrode-tag--focused .electrode-tag-id{color:#fff}.electrode-tag--dimmed{opacity:.25}.lead-callout{display:inline-flex;flex-direction:column;align-items:center;gap:2px;padding:0;border:0;background:transparent;cursor:pointer}.lead-callout-name{min-width:28px;padding:2px 7px;border-radius:999px;border:1px solid color-mix(in srgb,var(--lead-color, #3b82f6) 65%,transparent);background:#070d14e6;color:#eaf2ff;font-size:11px;font-weight:800;font-family:IBM Plex Mono,SF Mono,ui-monospace,monospace;box-shadow:0 0 0 1px color-mix(in srgb,var(--lead-color, #3b82f6) 35%,transparent)}.lead-callout-note{max-width:150px;padding:2px 6px;border-radius:4px;background:#070d14d9;color:var(--text-dim);font-size:9px;line-height:1.25;text-align:center}.lead-callout--selected .lead-callout-name{border-color:#fff;color:#fff;box-shadow:0 0 0 1px #fff,0 0 10px var(--lead-color, #3b82f6)}.lead-callout--dimmed{opacity:.28}.legend-dot{width:11px;height:11px;border-radius:50%;display:inline-block;margin-left:12px}.anatomy-version-hint{margin:0;font-size:.8rem;line-height:1.45;color:var(--text-muted)}.orientation-legend{position:relative;top:auto;right:auto;display:flex;flex-direction:row;gap:.35rem;pointer-events:auto;z-index:20;flex:none;justify-content:center}.orientation-legend button{display:inline-flex;align-items:center;justify-content:center;width:1.45rem;height:1.45rem;border-radius:5px;border:1.5px solid rgba(138,160,187,.45);background:#080e16d9;font-family:var(--font-mono);font-size:.72rem;font-weight:800;color:#c5d4e8;cursor:pointer;padding:0}.orientation-legend button:hover{filter:brightness(1.15)}.orientation-legend button.orientation-legend-btn--active{background:#143028f2;box-shadow:0 0 10px #7dffb040}@media (max-width: 860px){.viewport-top-right{top:.45rem;right:.45rem;flex-wrap:wrap;justify-content:flex-end;max-width:calc(100% - .9rem)}.orientation-cube-overlay{width:112px}}.conduction-3d-label--live{color:#7dffb0!important;border-color:#7dffb08c;box-shadow:0 0 10px #3dff8a59}.speed-presets{display:grid;grid-template-columns:repeat(4,1fr);gap:.35rem}.speed-preset{padding:.35rem .25rem;border-radius:6px;border:1px solid var(--stroke);background:var(--bg-elevated);color:var(--text-muted);font-size:.72rem;cursor:pointer}.speed-preset--active{color:var(--text);border-color:#3db8a873;background:var(--accent-soft)}.conduction-timeline{position:absolute;left:.85rem;top:.85rem;z-index:3;width:min(320px,calc(100% - 8.5rem));padding:.7rem .85rem;border-radius:10px;border:1px solid var(--stroke);background:#080e16d1;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);pointer-events:none}.conduction-timeline-head{display:flex;flex-direction:column;gap:.15rem;margin-bottom:.55rem}.conduction-timeline-head strong{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}.conduction-timeline-meta{font-family:var(--font-mono);font-size:.68rem;color:var(--text-muted)}.conduction-pathway{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.2rem}.conduction-pathway-step{display:grid;grid-template-columns:3.2rem 1fr;gap:.35rem .55rem;align-items:baseline;padding:.22rem .35rem;border-radius:6px;opacity:.45;transition:opacity .15s ease,background .15s ease}.conduction-pathway-step--passed{opacity:.75}.conduction-pathway-step--live{opacity:1;background:#3dff8a1f;box-shadow:inset 0 0 0 1px #3dff8a47}.conduction-pathway-ms{font-family:var(--font-mono);font-size:.68rem;color:var(--accent)}.conduction-pathway-label{font-size:.78rem}.conduction-pathway-arrow{display:none}.conduction-timeline-status{margin:.55rem 0 0;font-size:.75rem;color:var(--text-muted);line-height:1.4}@media (max-width: 860px){.conduction-timeline{width:calc(100% - 1.5rem);top:auto;bottom:3.2rem}}.anatomy-panel-header-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:.15rem}.anatomy-panel-header-row .anatomy-eyebrow{margin:0}.locale-toggle{display:inline-flex;gap:2px;padding:2px;border-radius:8px;border:1px solid var(--stroke);background:var(--bg);flex-shrink:0}.locale-btn{border:none;background:transparent;color:var(--text-muted);font-size:.72rem;font-weight:600;padding:.28rem .55rem;border-radius:6px;cursor:pointer;line-height:1.2}.locale-btn:hover{color:var(--text)}.locale-btn--active{background:var(--accent-soft);color:var(--accent)}.app--pathology{grid-template-columns:minmax(280px,360px) 1fr}.pathology-workspace{display:grid;grid-template-rows:minmax(280px,1fr) minmax(280px,42vh);min-height:100vh;min-width:0}.pathology-workspace .anatomy-stage{position:relative;min-height:0}.pathology-status-bar{position:absolute;left:.85rem;right:.85rem;bottom:.75rem;z-index:4;display:flex;flex-wrap:wrap;gap:.45rem;align-items:center;padding:.45rem .7rem;border-radius:8px;border:1px solid var(--stroke);background:#080e16d1;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font-size:.75rem;color:var(--text-muted);pointer-events:none}.pathology-status-bar span:first-child{color:var(--accent);font-weight:600}.pathology-list{display:flex;flex-direction:column;gap:.4rem;margin:.6rem 0 .85rem}.pathology-btn{display:flex;flex-direction:column;align-items:flex-start;gap:.15rem;width:100%;padding:.55rem .7rem;border-radius:8px;border:1px solid var(--stroke);background:var(--bg-elevated);color:var(--text);text-align:left;cursor:pointer;transition:border-color .15s ease,background .15s ease}.pathology-btn:hover{border-color:#3db8a873}.pathology-btn--active{border-color:var(--accent);background:var(--accent-soft)}.pathology-btn-name{font-size:.85rem;font-weight:600}.pathology-btn-short{font-size:.7rem;color:var(--text-muted);line-height:1.35}.pathology-explain{margin:0 0 .85rem;padding:.55rem .65rem;border-radius:8px;background:#3db8a814;border:1px solid rgba(61,184,168,.2)}.pathology-explain-summary{margin:0 0 .4rem;font-size:.78rem;line-height:1.45}.pathology-explain-findings{margin:0;padding-left:1.1rem;font-size:.72rem;color:var(--text-muted);line-height:1.4}.pathology-select{width:100%;margin-top:.35rem;padding:.45rem .55rem;border-radius:8px;border:1px solid var(--stroke);background:var(--bg);color:var(--text)}.pathology-trace{margin-top:.5rem}.ecg-stage{overflow:auto;padding:.75rem 1rem 1rem;border-top:1px solid var(--stroke);background:linear-gradient(180deg,#0a121a,#071018)}.ecg-stage-header{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.35rem 1rem;margin-bottom:.55rem}.ecg-stage-header h2{margin:0;font-family:var(--font-display);font-size:1.05rem;font-weight:700}.ecg-stage-header p{margin:0;font-size:.72rem;color:var(--text-muted)}.ecg-grid-wrap{display:flex;flex-direction:column;gap:.55rem}.ecg-live-badge{font-size:.65rem;letter-spacing:.04em;text-transform:uppercase;color:var(--accent);background:#3db8a81a;border:1px solid rgba(61,184,168,.35);border-radius:999px;padding:.25rem .6rem;width:fit-content}.ecg-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;background:#fff;border-radius:10px;padding:4px}.ecg-cell{min-width:0;border-radius:4px;overflow:hidden}.ecg-strip{background:#fff;border-radius:10px;padding:4px}.ecg-lead,.ecg-lead--live{display:block;width:100%;height:auto;background:#fff;vertical-align:top}@media (max-width: 1100px){.app--pathology{grid-template-columns:1fr;grid-template-rows:auto 1fr}.anatomy-panel{max-height:42vh;border-right:none;border-bottom:1px solid var(--stroke)}.pathology-workspace{grid-template-rows:minmax(240px,48vh) minmax(260px,1fr);min-height:0}}@media (max-width: 720px){.ecg-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}