:root{--bg:#f6f3ef;--card:#fff;--ink:#1d2230;--muted:#646a78;--line:#e4ded6;--brand:#b42e3a;--action:#2b4a8b;--action-hover:#213a70;--action-soft:#e6ecf7;--select:var(--action);--select-soft:var(--action-soft);--ok:#17744a;--ok-soft:#e3f4ea;--bad:#b3261e;--bad-soft:#fbe7e4;--mid:#8a5a00;--mid-soft:#fdf1dc;--tap:44px;--paper:#fffaf7;--grid-minor:#f3c4bd;--grid-major:#e08e84;--trace:#1a1a1a;--radius:14px;--shadow:0 1px 2px #1e14140d, 0 6px 24px #1e14140f;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.55}*{box-sizing:border-box}body{flex-direction:column;min-height:100vh;margin:0;display:flex}a{color:var(--action);text-underline-offset:2px}::selection{background:var(--action-soft);color:var(--ink)}input,textarea{caret-color:var(--action)}:focus-visible{outline:2px solid var(--action);outline-offset:2px}.icon{flex-shrink:0;width:1.15em;height:1.15em}.icon.inline{vertical-align:-.18em;width:1.05em;height:1.05em}h1,h2,h3{letter-spacing:-.01em;line-height:1.2}h1{margin:.4em 0 .3em;font-size:clamp(1.6rem,3.5vw,2.3rem)}h2{margin:0 0 .8em;font-size:1.2rem}h3{margin:0 0 .6em;font-size:1rem}.lead{color:var(--muted);font-size:1.05rem}.topbar{z-index:10;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);background:#ffffffe0;justify-content:space-between;align-items:center;gap:1rem;padding:.7rem clamp(1rem,4vw,2rem);display:flex;position:sticky;top:0}.brand{color:var(--ink);white-space:nowrap;align-items:center;gap:.5rem;font-weight:700;text-decoration:none;display:flex}.brand svg{fill:none;width:34px;height:18px;stroke:var(--brand);stroke-width:2px;stroke-linejoin:round;stroke-linecap:round}nav{gap:.2rem;display:flex}nav a{min-height:40px;color:var(--muted);white-space:nowrap;border-radius:999px;align-items:center;gap:.4rem;padding:.4rem .75rem;font-weight:500;text-decoration:none;display:inline-flex}nav a .icon,nav .label-short{display:none}nav a:hover{color:var(--ink);background:var(--bg)}nav a.active{color:var(--action);background:var(--action-soft)}@media (width<=640px){body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}.topbar{-webkit-backdrop-filter:none;backdrop-filter:none;background:#fff}nav{z-index:20;padding:4px 4px calc(4px + env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--line);background:#fffffff5;grid-template-columns:repeat(6,1fr);gap:0;display:grid;position:fixed;inset:auto 0 0;box-shadow:0 -4px 16px #1e14140f}nav a{border-radius:10px;flex-direction:column;justify-content:center;gap:2px;min-height:54px;padding:4px 0;font-size:.7rem;font-weight:600}nav a .icon{width:22px;height:22px;display:block}nav .label-full{display:none}nav .label-short{display:inline}}main{flex:1;width:100%;max-width:1180px;margin:0 auto;padding:1rem clamp(.75rem,3vw,2rem) 3rem}footer{color:var(--muted);text-align:center;border-top:1px solid var(--line);padding:1.5rem clamp(1rem,4vw,2rem);font-size:.85rem}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin:1.2rem 0;padding:clamp(1rem,3vw,1.5rem)}.btn{border:1px solid var(--line);background:var(--card);color:var(--ink);font:inherit;cursor:pointer;border-radius:10px;align-items:center;gap:.4rem;padding:.6rem 1.1rem;font-weight:600;text-decoration:none;transition:background .15s,transform 50ms;display:inline-flex}.btn:hover{background:var(--bg)}.btn:active{transform:translateY(1px)}.btn{min-height:var(--tap);justify-content:center}.btn.primary{background:var(--action);border-color:var(--action);color:#fff}.btn.primary:hover{background:var(--action-hover)}.btn.danger{color:var(--bad)}.actions{flex-wrap:wrap;gap:.6rem;margin-top:1rem;display:flex}.check{cursor:pointer;align-items:center;gap:.5rem;display:inline-flex}.check input{width:1.1rem;height:1.1rem;accent-color:var(--select)}select{font:inherit;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:10px;max-width:100%;padding:.5rem .7rem}.hero{padding:1.5rem 0 .5rem}.hero p{max-width:46rem;color:var(--muted);font-size:1.1rem}.modes{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin:1rem 0;display:grid}.mode{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);color:var(--muted);box-shadow:var(--shadow);flex-direction:column;gap:.35rem;padding:1.3rem;text-decoration:none;transition:transform .15s,border-color .15s;display:flex}.mode:hover{border-color:var(--action);transform:translateY(-2px)}.mode strong{color:var(--ink);font-size:1.15rem}.mode-icon{background:var(--action-soft);width:2.6rem;height:2.6rem;color:var(--action);border-radius:12px;place-items:center;margin-bottom:.2rem;display:inline-grid}.mode-icon .icon{width:1.4rem;height:1.4rem}.settings .groups{flex-wrap:wrap;gap:.6rem 1.4rem;margin-bottom:1rem;display:flex}.settings .row{flex-wrap:wrap;align-items:center;gap:1rem 2rem;display:flex}.settings label:not(.check){align-items:center;gap:.6rem;display:flex}.cheat-grid{grid-template-columns:1fr minmax(200px,260px);gap:1.5rem;display:grid}.cheat ol{margin:0;padding-left:1.2rem}.cheat li{margin-bottom:.35rem}.paper-legend{font-size:.92rem}.paper-legend p{margin:.3rem 0}.mini-grid{border:1px solid var(--grid-major);background-color:var(--paper);background-image:linear-gradient(var(--grid-major) 1.5px, transparent 1.5px), linear-gradient(90deg, var(--grid-major) 1.5px, transparent 1.5px), linear-gradient(var(--grid-minor) 1px, transparent 1px), linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);background-size:50px 50px,50px 50px,10px 10px,10px 10px;border-radius:8px;height:110px;margin-bottom:.6rem}@media (width<=720px){.cheat-grid{grid-template-columns:1fr}}.ecg-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin:1rem 0;overflow:hidden}.ecg-toolbar{color:var(--muted);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:.5rem .9rem;font-size:.9rem;display:flex}.zoom button{border:1px solid var(--line);background:var(--card);cursor:pointer;width:2.25rem;height:2.25rem;color:var(--ink);border-radius:9px;place-items:center;padding:0;display:inline-grid}.zoom button .icon{width:1.15rem;height:1.15rem}.zoom button:hover{background:var(--bg)}.ecg-wrap{background:var(--paper);-webkit-overflow-scrolling:touch;overflow-x:auto}svg.ecg{width:calc(100% * var(--zoom,1));min-width:calc(760px * var(--zoom,1));cursor:crosshair;touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;height:auto;display:block}.ecg-trace path{fill:none;stroke:var(--trace);stroke-width:.26px;stroke-linejoin:round;stroke-linecap:round}.ecg-ticks{stroke:var(--trace);stroke-width:.25px}.ecg-labels text{fill:#222;font:600 3.3px ui-sans-serif,system-ui,sans-serif}.ecg-labels .ecg-meta{fill:#8a5550;font-size:2.6px;font-weight:400}.caliper .arm{stroke:#1565c0;stroke-width:.25px;stroke-dasharray:1.2 .8}.caliper .span{stroke:#1565c0;stroke-width:.3px}.caliper .dot{fill:#1565c0}.caliper .grip{fill:#1565c01f;stroke:#1565c0;stroke-width:.25px;cursor:grab;touch-action:none}.caliper rect{fill:#1565c0;opacity:.94}.caliper text{fill:#fff;font:600 3px ui-sans-serif,system-ui,sans-serif}.caliper .tab{cursor:ew-resize;touch-action:none}.caliper .tab rect{fill:#1565c0}.caliper .tab text{font-size:4px;font-weight:700}.caliper-panel{border-top:1px solid var(--line);color:#0d3c78;font-variant-numeric:tabular-nums;background:#eef4fc;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem 1rem;padding:.55rem .9rem;display:flex}.caliper-panel[hidden]{display:none}.cal-readout{font-size:1.05rem}.nudge{flex-wrap:wrap;gap:.35rem;display:flex}.nudge button{color:#0d3c78;min-width:2.8rem;height:2.4rem;font:inherit;cursor:pointer;touch-action:manipulation;background:#fff;border:1px solid #b8cdea;border-radius:9px;padding:0 .6rem;font-weight:600}.caliper .tip{fill:#1565c0;font-size:2.6px}.ecg-toolbar .zoom{gap:.35rem;display:flex}.ecg-card:fullscreen{background:var(--paper);border-radius:0;flex-direction:column;margin:0;display:flex;overflow:auto}.ecg-card:fullscreen .ecg-wrap{flex:1}.ecg-card:fullscreen svg.ecg{min-width:calc(100vw * var(--zoom,1))}.hint{color:var(--muted);border-top:1px solid var(--line);margin:0;padding:.45rem .9rem;font-size:.8rem}.progress{background:var(--line);border-radius:99px;height:6px;margin-top:.5rem;overflow:hidden}.progress div{background:var(--action);transform-origin:0;height:100%;transform:scaleX(var(--p,0));transition:transform .3s cubic-bezier(.22,1,.36,1)}.q-head{color:var(--muted);justify-content:space-between;margin-top:.6rem;font-weight:500;display:flex}.question{margin:1.2rem 0 .8rem}.options{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:.7rem;display:grid}.option{text-align:left;font:inherit;color:var(--ink);background:var(--card);border:2px solid var(--line);cursor:pointer;border-radius:12px;padding:.95rem 1.1rem;font-weight:600;transition:border-color .15s,background .15s}.option:hover:not(:disabled){border-color:var(--select)}.option:disabled{cursor:default;opacity:.6}.option.correct{opacity:1;border-color:var(--ok);background:var(--ok-soft)}.option.wrong{opacity:1;border-color:var(--bad);background:var(--bad-soft)}.verdict{border-radius:12px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.8rem;margin:1.2rem 0;padding:.9rem 1.1rem;font-size:1.1rem;font-weight:600;display:flex}.verdict.ok{background:var(--ok-soft);color:var(--ok)}.verdict.bad{background:var(--bad-soft);color:var(--bad)}.explain{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1rem;margin:1rem 0;display:grid}.explain section{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem 1.3rem}.explain ul{margin:0 0 1rem;padding-left:1.1rem}.explain li{margin-bottom:.3rem}.desc{list-style:none;padding-left:0!important}.desc li{border-bottom:1px dashed var(--line);padding:.25rem 0}.conclusion{background:var(--action-soft);color:#17264a;border:1px solid #cfd9ec;border-radius:10px;margin:0;padding:.75rem .95rem;font-weight:600}.clinical{background:#f1f4fa;border-radius:8px;margin:0;padding:.7rem .9rem;font-size:.95rem}.more{margin:.8rem 0 0}.summary{text-align:center}.big-score{color:var(--ink);font-variant-numeric:tabular-nums;font-size:3.4rem;font-weight:800}.review{text-align:left;max-width:560px;margin:1rem auto;padding:0;list-style:none}.review li{border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:baseline;gap:.5rem;padding:.5rem .2rem;display:flex}.review li.ok>span{color:var(--ok)}.review li.bad>span{color:var(--bad)}.review small{color:var(--muted);flex-basis:100%;padding-left:1.3rem}.summary .actions{justify-content:center}.steps fieldset{border:0;border-top:1px solid var(--line);margin:0;padding:.9rem 0}.steps legend{float:left;width:100%;padding:0;font-weight:700}.step-hint{clear:both;color:var(--muted);margin:.15rem 0 .5rem;font-size:.85rem}.steps select{clear:both;width:min(100%,520px);margin-top:.5rem;display:block}.chips{flex-wrap:wrap;gap:.45rem;display:flex}.chip input{opacity:0;pointer-events:none;position:absolute}.chip span{border:1.5px solid var(--line);background:var(--card);cursor:pointer;border-radius:999px;padding:.4rem .8rem;font-size:.93rem;transition:border-color .12s,background .12s;display:inline-block}.chip span:hover{border-color:var(--select)}.chip input:checked+span{border-color:var(--select);background:var(--select-soft);color:var(--select);font-weight:600}.chip input:focus-visible+span{outline:2px solid var(--select);outline-offset:2px}.chip.expected input+span{border-color:var(--ok);border-style:dashed}.chip.correct input+span{background:var(--ok-soft);border:1.5px solid var(--ok);color:var(--ok)}.chip.wrong input+span{background:var(--bad-soft);border-color:var(--bad);color:var(--bad)}.chip input:disabled+span{cursor:default}.step-result{min-height:0;margin:.4rem 0 0;font-size:.9rem;font-weight:600}.step-result:empty{display:none}fieldset.ok .step-result{color:var(--ok)}fieldset.bad .step-result{color:var(--bad)}.group-title{margin-top:1.8rem}.atlas-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.6rem;display:grid}.atlas-item{background:var(--card);border:1px solid var(--line);color:var(--ink);border-radius:12px;justify-content:space-between;align-items:center;gap:.6rem;padding:.85rem 1rem;font-weight:500;text-decoration:none;transition:border-color .15s;display:flex}.atlas-item:hover{border-color:var(--action)}.badge{border-radius:99px;padding:.15rem .5rem;font-size:.78rem;font-weight:700}.badge.good{background:var(--ok-soft);color:var(--ok)}.badge.mid{background:var(--mid-soft);color:var(--mid)}.badge.low{background:var(--bad-soft);color:var(--bad)}.crumbs{color:var(--muted);margin:.5rem 0 0;font-size:.9rem}.title-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.8rem;display:flex}.confusers{flex-wrap:wrap;gap:.4rem;margin:0;display:flex}.confusers a{border:1px solid var(--line);border-radius:99px;padding:.3rem .7rem;font-size:.9rem;text-decoration:none}.kpis{grid-template-columns:repeat(3,1fr);gap:.8rem;display:grid}.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;align-items:center;padding:1rem;display:flex}.kpi strong{color:var(--ink);font-variant-numeric:tabular-nums;font-size:1.8rem}.kpi span{color:var(--muted);font-size:.9rem}.stat-rows{flex-direction:column;display:flex}.stat-row{border-bottom:1px solid var(--line);color:var(--ink);grid-template-columns:minmax(0,1fr) minmax(80px,200px) 7.5rem;align-items:center;gap:.8rem;padding:.45rem 0;text-decoration:none;display:grid}.bar{background:var(--line);border-radius:99px;height:8px;overflow:hidden}.bar div{height:100%}.bar .good{background:var(--ok)}.bar .mid{background:var(--mid)}.bar .low{background:var(--bad)}.pct{text-align:right;font-weight:600}.pct small{color:var(--muted);font-weight:400}.empty{text-align:center}@media (width<=600px){.stat-row{grid-template-columns:1fr 6.5rem}.stat-row .bar{display:none}}.modes{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.num{clear:both;align-items:center;gap:.5rem;margin-top:.5rem;display:inline-flex}.num input{width:7.5rem;font:inherit;border:1.5px solid var(--line);border-radius:10px;padding:.45rem .7rem;font-size:1.1rem}.num input:focus{border-color:var(--select);outline:none}.measure fieldset .chips{clear:both;padding-top:.5rem}.mono{text-align:center;min-width:3.5rem;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:1.05rem!important}.measure .step-result{font-weight:500;color:var(--ink)!important}.measure fieldset.ok .step-result:first-letter{color:var(--ok)}.measure fieldset.bad .step-result:first-letter{color:var(--bad)}.oral textarea{width:100%;font:inherit;border:1.5px solid var(--line);resize:vertical;background:var(--card);color:var(--ink);border-radius:12px;padding:.8rem .9rem}.oral textarea:focus{border-color:var(--select);outline:none}.stopwatch{font-variant-numeric:tabular-nums;color:var(--muted);font-weight:600}.btn.mic.recording{background:var(--bad-soft);border-color:var(--bad);color:var(--bad)}.checklist{margin:0 0 .5rem;padding:0;list-style:none}.checklist li{border-bottom:1px dashed var(--line);padding:.45rem 0}.checklist li.key{font-weight:600}.checklist .check{align-items:flex-start}.checklist .check input{flex-shrink:0;margin-top:.2rem}.self h3{margin-top:1.2rem}.muted{color:var(--muted);font-weight:400}footer .build{font-variant-numeric:tabular-nums;opacity:.8;margin:.5rem 0 0;font-size:.78rem}.snippets{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin:1rem 0;padding:1.2rem 1.3rem}.snippet-grid{grid-template-columns:repeat(auto-fit,minmax(280px,max-content));gap:1rem 1.5rem;display:grid}.snippet-card{min-width:0;margin:0}.snippet-wrap{border:1px solid var(--grid-major);background:var(--paper);border-radius:8px;width:fit-content;max-width:100%;overflow-x:auto}svg.snippet{width:calc(var(--w) * 7px);max-width:none;height:auto;display:block}.snippet-lead{fill:#222;font:700 3px ui-sans-serif,system-ui,sans-serif}.snippet-marks text{font:600 2.6px ui-sans-serif,system-ui,sans-serif}.snippet-card figcaption{color:var(--ink);margin-top:.45rem;font-size:.92rem}.art-switch{border:1px solid var(--line);background:var(--card);border-radius:999px;align-items:center;gap:0;padding:3px;font-size:.9rem;display:inline-flex}.art-switch .art-label{color:var(--muted);padding:0 .55rem 0 .6rem;font-weight:500}.art-switch button{color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:999px;min-height:36px;padding:.35rem .85rem;font-weight:600}.art-switch button[aria-pressed=true]{background:var(--action);color:#fff}.mode-head{justify-content:flex-end;margin-top:.6rem;display:flex}.q-head{flex-wrap:wrap;align-items:center;gap:.5rem}.art-setting{background:var(--action-soft);border-radius:12px;margin-top:1.1rem;padding:1rem}.art-setting p{margin:.6rem 0 0;font-size:.92rem}.picker{margin-bottom:1.2rem}.picker-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.3rem 1rem;margin-bottom:.5rem;display:flex}.picker-head h3{margin:0}.pick-count,.pgroup-count{color:var(--muted);font-variant-numeric:tabular-nums;font-weight:500}.picker-actions{flex-wrap:wrap;gap:.2rem .9rem;display:flex}button.link{min-height:36px;color:var(--action);font:inherit;text-underline-offset:2px;cursor:pointer;background:0 0;border:0;padding:.2rem 0;font-size:.92rem;text-decoration:underline}.pgroup{border:1px solid var(--line);background:var(--card);border-radius:12px;margin-bottom:.5rem}.pgroup summary{cursor:pointer;justify-content:space-between;align-items:center;gap:.8rem;padding:.6rem .9rem;list-style:none;display:flex}.pgroup summary::-webkit-details-marker{display:none}.pgroup summary:after{content:"▾";color:var(--muted);transition:transform .15s}.pgroup[open] summary:after{transform:rotate(180deg)}.pgroup summary .check{flex:1;font-weight:600}.plist{border-top:1px solid var(--line);grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:.45rem 1.2rem;padding:.7rem .9rem .9rem 2.4rem;display:grid}.plist .check{align-items:flex-start}.plist .check input{flex-shrink:0;margin-top:.2rem}.plist .badge{margin-left:auto}@media (pointer:coarse){.zoom button{width:var(--tap);height:var(--tap)}.nudge button{height:var(--tap);min-width:3.2rem}.chip span{padding:.62rem .95rem}.art-switch button{min-height:40px}.check input{width:1.35rem;height:1.35rem}.option{min-height:56px}}.ecg-wrap,.snippet-wrap{scrollbar-width:thin;scrollbar-color:var(--grid-major) transparent}.btn .icon{width:1.1rem;height:1.1rem}.stopwatch{align-items:center;gap:.35rem;display:inline-flex}@media (prefers-reduced-motion:reduce){.mode,.mode:hover,.btn:active{transform:none}.progress div{transition:none}}