.ecg-display{color:#253c48;width:100%;min-width:0}.ecg-meta{color:#52646b;justify-content:space-between;align-items:baseline;gap:12px;margin:0 0 12px;font-size:12px;line-height:1.5;display:flex}.ecg-reference{white-space:nowrap;font-variant-numeric:tabular-nums;color:#51666c}.ecg-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.ecg-lead{cursor:pointer;background:#fffaf9;border:1px solid #e5dedd;border-radius:5px;min-width:0;margin:0;padding:0;transition:border-color .15s,box-shadow .15s;display:block;overflow:hidden}.ecg-lead svg{aspect-ratio:72/32;width:100%;height:auto;display:block;overflow:visible}.ecg-lead:hover{border-color:#9aafb5}.ecg-lead:focus-visible{outline-offset:3px;outline:3px solid #1e858d}.ecg-grid-minor{stroke:#eddcd9;stroke-width:.06px}.ecg-grid-major{stroke:#dfc4c1;stroke-width:.13px}.ecg-trace{stroke:#334b52;stroke-width:.36px;stroke-linecap:round;stroke-linejoin:round}.ecg-selected .ecg-trace{stroke:#10686d;stroke-width:.42px}.ecg-calibration{stroke:#82908e;stroke-width:.23px;stroke-linejoin:round}.ecg-normal-trace{stroke:#6f9bab;stroke-width:.3px;stroke-dasharray:.8 .6;opacity:.8}.ecg-st-window{fill:#e2a348;opacity:.14}.ecg-reciprocal .ecg-st-window{fill:#5f91b1;opacity:.15}.ecg-lead-name{fill:#344d54;font-family:inherit;font-size:3.8px;font-weight:650}.ecg-finding{fill:#9c5b1b;font-family:inherit;font-size:2.8px;font-weight:650}.ecg-reciprocal .ecg-finding{fill:#477693}.ecg-footnote{color:#69777d;justify-content:space-between;align-items:baseline;gap:16px;margin-top:12px;font-size:10px;line-height:1.6;display:flex}.ecg-legend{flex-wrap:wrap;flex-shrink:0;align-items:center;gap:7px 14px;display:flex}.ecg-legend>span{white-space:nowrap;align-items:center;gap:5px;display:inline-flex}.ecg-legend-line{border-top:1.5px solid #334b52;width:15px;height:0;display:inline-block}.ecg-legend-line.ecg-dashed{border-top:1.5px dashed #6f9bab}.ecg-legend-st{background:#f3dfbd;border:1px solid #d6b680;border-radius:1px;width:9px;height:9px;display:inline-block}.ecg-expanded .ecg-meta{font-size:13px}.ecg-expanded .ecg-grid{gap:12px}@media (width<=700px){.ecg-meta{flex-direction:column;align-items:flex-start;gap:3px;font-size:11px}.ecg-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.ecg-footnote{flex-direction:column;gap:8px;font-size:10px}.ecg-footnote>span{text-align:left}.ecg-legend{flex-shrink:1}}@media (prefers-reduced-motion:reduce){.ecg-lead{transition:none}}.pci-view{color:#34322f;background:#fff;width:100%;min-width:0}.pci-heading{justify-content:space-between;align-items:flex-start;gap:24px;padding:24px 28px 18px;display:flex}.pci-kicker{color:#8b3647;margin:0 0 6px;font-size:12px;font-weight:650;line-height:1.5}.pci-heading h2{letter-spacing:-.6px;margin:0 0 7px;font-size:clamp(21px,2vw,27px);font-weight:550;line-height:1.25}.pci-location{color:#626663;max-width:690px;margin:0;font-size:13px;line-height:1.6}.pci-model-note{color:#726f67;text-align:right;flex-shrink:0;font-size:12px;line-height:1.7}.pci-partial-note{color:#665639;background:#fbf7ee;border-left:3px solid #b88f4f;margin:0 28px 18px;padding:12px 15px;font-size:13px;line-height:1.7}.pci-stage{isolation:isolate;touch-action:pan-y;background:radial-gradient(at 50% 45%,#fffdf8 15%,#f2eee6 100%);width:100%;height:clamp(360px,39vw,510px);position:relative;overflow:hidden}.pci-stage,.pci-stage *{touch-action:pan-y!important}.pci-stage-label{z-index:2;pointer-events:none;color:#77736a;justify-content:space-between;align-items:center;gap:18px;font-size:12px;line-height:1.5;display:flex;position:absolute;top:18px;left:26px;right:26px}.pci-stage-label>span{text-align:right;color:#57564f}.pci-drag-note{z-index:2;color:#6c6b62;pointer-events:none;font-size:12px;line-height:1.5;position:absolute;bottom:18px;left:26px}.pci-loading{z-index:3;text-align:center;background:#f6f3eb;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:30px;display:flex;position:absolute;inset:0}.pci-loading strong{font-size:16px;font-weight:550}.pci-loading>span{color:#686b64;font-size:13px}.pci-loading button{margin-top:6px}.pci-graphics-error{color:#6a5434;background:#fbf4e7;justify-content:space-between;align-items:center;gap:16px;padding:14px 26px;font-size:13px;line-height:1.6;display:flex}.pci-graphics-error button{flex-shrink:0}.pci-view-tools{border-bottom:1px solid #e9e6df;flex-wrap:wrap;align-items:center;gap:12px 18px;padding:13px 26px;display:flex}.pci-view button{color:#4d514c;cursor:pointer;background:#fff;border:1px solid #d9d8d0;border-radius:5px;justify-content:center;align-items:center;gap:7px;min-height:42px;padding:9px 13px;font-family:inherit;font-size:12px;font-weight:500;line-height:1.5;transition:background .15s,border-color .15s;display:inline-flex}.pci-view button:hover:not(:disabled){background:#f5f3ee;border-color:#aaa99f}.pci-view button:focus-visible,.pci-view input:focus-visible{outline-offset:3px;outline:3px solid #16717b}.pci-view button:disabled{cursor:default;opacity:.45}.pci-view button.pci-primary{color:#fff;background:#87394b;border-color:#87394b}.pci-view button.pci-primary:hover:not(:disabled){background:#723043;border-color:#723043}.pci-camera-options{align-items:center;gap:0;display:flex}.pci-camera-options button{border-radius:0}.pci-camera-options button:first-child{border-radius:5px 0 0 5px}.pci-camera-options button:last-child{border-radius:0 5px 5px 0;margin-left:-1px}.pci-camera-options button[aria-pressed=true]{color:#443f35;z-index:1;background:#eeeae0;border-color:#bfb8a7;position:relative}.pci-camera-buttons{gap:6px;display:flex}.pci-camera-buttons button:has(svg){width:42px;padding:9px}.pci-label-toggle{cursor:pointer;align-items:center;gap:8px;font-size:12px;line-height:1.5;display:inline-flex}.pci-label-toggle input{accent-color:#87394b;width:16px;height:16px}.pci-mode-button{margin-left:auto}.pci-wall-legend{color:#62615b;flex-wrap:wrap;align-items:center;gap:10px 22px;margin:0;padding:16px 28px 20px;font-size:12px;line-height:1.5;list-style:none;display:flex}.pci-wall-legend li{align-items:center;gap:7px;display:inline-flex}.pci-wall-legend i{border:1px solid #00000010;border-radius:2px;width:10px;height:10px;display:inline-block}.pci-stage-list{grid-template-columns:repeat(8,minmax(0,1fr));gap:0;padding:0 28px;display:grid}.pci-stage-list button{text-align:left;color:#73766f;background:0 0;border:0;border-top:2px solid #dedbd3;border-radius:0;flex-direction:column;justify-content:flex-start;align-items:flex-start;gap:7px;min-height:98px;padding:14px 10px 12px;position:relative}.pci-stage-list button>span{font-variant-numeric:tabular-nums;font-size:12px;font-weight:450}.pci-stage-list button>strong{font-size:12px;font-weight:500;line-height:1.5}.pci-stage-list button[aria-current=step]{color:#7c3548;background:#f7f1ee;border-top-color:#87394b}.pci-stage-list button[aria-current=step]>strong{font-weight:650}.pci-step-copy{grid-template-columns:1fr 1fr;column-gap:32px;padding:20px 28px 16px;display:grid}.pci-step-copy>p{color:#686a62;margin:0;font-size:13px;line-height:1.8}.pci-step-copy p.pci-step-summary{color:#383c36;font-size:15px;line-height:1.7}.pci-teaching-pearl{background:#f8f6f0;border-left:2px solid #b8a07b;grid-column:1/-1;margin-top:20px;padding:15px 18px}.pci-teaching-pearl>strong{color:#806c4b;font-size:12px;font-weight:600}.pci-teaching-pearl>p{color:#55594f;margin:5px 0 0;font-size:13px;line-height:1.75}.pci-playback{flex-wrap:wrap;align-items:center;gap:8px;padding:5px 28px 18px;display:flex}.pci-playback button:last-child{margin-left:auto}.pci-retained-state{color:#62665d;border-top:1px solid #e7e4dc;margin:0 28px;padding:15px 0;font-size:13px;line-height:1.8}.pci-retained-state strong{color:#484c42;font-weight:550}.pci-scope-note{color:#76776f;margin:0;padding:0 28px 24px;font-size:12px;line-height:1.8}.pci-reference-message{padding:0 28px 24px}.pci-reference-message p{color:#62665d;max-width:850px;margin:0 0 20px;font-size:14px;line-height:1.8}.pci-fallback{flex-direction:column;justify-content:center;height:100%;margin:0;padding:14px 0;display:flex}.pci-fallback svg{width:100%;max-height:calc(100% - 50px);display:block}.pci-fallback figcaption{color:#6a6b63;margin:0 26px;font-size:12px;line-height:1.7}@media (width<=1050px){.pci-stage-list{grid-template-columns:repeat(4,minmax(0,1fr));row-gap:4px}.pci-stage-list button{min-height:80px}.pci-label-toggle{margin-left:auto}.pci-mode-button{margin-left:0}}@media (width<=650px){.pci-heading{gap:12px;padding:20px 18px 15px}.pci-heading h2{font-size:22px;line-height:1.3}.pci-kicker,.pci-location{font-size:12px}.pci-model-note{max-width:110px;font-size:11px;line-height:1.6}.pci-partial-note{margin:0 18px 15px;font-size:12px}.pci-stage{height:350px}.pci-stage-label{align-items:flex-start;gap:15px;font-size:11px;top:14px;left:18px;right:18px}.pci-stage-label>span{max-width:210px}.pci-drag-note{font-size:11px;bottom:12px;left:18px}.pci-view-tools{gap:10px;padding:12px 18px}.pci-view button{min-height:44px;font-size:12px}.pci-camera-buttons{flex-wrap:wrap;gap:5px}.pci-camera-buttons button:has(svg){width:44px}.pci-label-toggle{min-height:44px;margin-left:0}.pci-mode-button{margin-left:auto}.pci-wall-legend{gap:9px 16px;padding:14px 18px 18px}.pci-stage-list{grid-template-columns:repeat(4,minmax(0,1fr));padding:0 18px}.pci-stage-list button{min-height:94px;padding:11px 6px}.pci-stage-list button>strong{font-size:12px;line-height:1.45}.pci-step-copy{grid-template-columns:1fr;gap:12px;padding:18px}.pci-step-copy p.pci-step-summary{font-size:15px}.pci-teaching-pearl{margin-top:2px;padding:13px 15px}.pci-playback{gap:7px;padding:0 18px 16px}.pci-playback button{flex:auto}.pci-playback button:last-child{margin-left:0}.pci-retained-state{margin:0 18px;font-size:13px}.pci-scope-note{padding:0 18px 22px;font-size:12px}.pci-reference-message{padding:0 18px 22px}.pci-graphics-error{flex-direction:column;align-items:flex-start;padding:13px 18px}.pci-fallback figcaption{margin:0 18px;font-size:11px}}@media (prefers-reduced-motion:reduce){.pci-view button{transition:none}}.specialty-lesion-selector{color:#263037;background:#fff;border:1px solid #dedfdf;border-radius:8px;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));align-items:end;gap:12px 24px;min-width:0;padding:18px 22px;font-family:inherit;display:grid}.specialty-target-field,.specialty-severity-field{min-width:0}.specialty-target-field label,.specialty-severity-field legend{letter-spacing:0;margin:0 0 8px;font-size:14px;font-weight:650;display:block}.specialty-target-field select,.specialty-tissue select{font:inherit;color:#263037;background:#fff;border:1px solid #bfc5c8;border-radius:5px;width:100%;max-width:100%;min-height:44px;padding:10px 32px 10px 12px;font-size:14px;line-height:1.4}.specialty-severity-field{border:0;margin:0;padding:0}.specialty-severity-buttons{grid-template-columns:1fr 1fr;gap:8px;display:grid}.specialty-severity-buttons button{min-height:44px;font:inherit;color:#39444b;background:#fff;border:1px solid #c9cdd0;border-radius:5px;padding:9px 12px;font-size:14px;font-weight:550;line-height:1.4}.specialty-severity-buttons button[aria-pressed=true]{color:#7f2c3d;background:#f6ecee;border-color:#8b3647;box-shadow:inset 0 0 0 1px #8b3647}.specialty-severity-buttons button:disabled{color:#657078;opacity:.62}.specialty-selector-caption{color:#56636c;grid-column:1/-1;margin:0;font-size:12px;line-height:1.6}.explanation-panel.specialty-explanation{color:#343f47;background:#fff;align-self:start;min-width:0;height:auto;max-height:none;padding:22px;font-size:14px;line-height:1.6;overflow:visible}.specialty-explanation .specialty-explanation-header h2{letter-spacing:-.025em;color:#202a31;font-size:24px;line-height:1.2}.specialty-explanation .specialty-caption{color:#53616a;margin:7px 0 0;font-size:12px;line-height:1.6}.specialty-explanation-header{padding-bottom:18px}.specialty-explanation .specialty-chain{margin:0;padding:0;list-style:none}.specialty-chain>li{border-top:1px solid #e3e5e4;padding:17px 0}.specialty-chain-heading{align-items:center;gap:10px;display:flex}.specialty-chain-heading>span{color:#8b3647;background:#f4ecee;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;font-size:12px;font-weight:650;display:flex}.specialty-explanation h3{letter-spacing:0;color:#29343c;font-size:14px;font-weight:650;line-height:1.4}.specialty-explanation p,.specialty-explanation li{font-size:14px;line-height:1.65}.specialty-explanation p{margin:8px 0 0}.specialty-explanation .specialty-flow-label{color:#7f2c3d;margin-top:10px;font-size:12px;font-weight:650;line-height:1.6}.specialty-explanation .specialty-geometry-note{color:#554e42;background:#f7f5f0;border-left:3px solid #a28858;margin:0 0 18px;padding:12px 14px;font-size:12px;line-height:1.65}.specialty-selected-lead{background:#f7f4f4;border-radius:6px;margin:3px 0 18px;padding:15px}.specialty-lead-title{color:#48565f;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;line-height:1.5;display:flex}.specialty-lead-name{color:#8b3647;font-size:16px}.specialty-explanation .specialty-lead-finding{color:#7f2c3d;font-size:12px;font-weight:550;line-height:1.65}.specialty-physiology-note{padding:0 0 20px}.specialty-tissue{border-top:1px solid #e3e5e4;margin:0 0 20px;padding-top:18px}.specialty-tissue label{margin-bottom:9px;font-size:14px;font-weight:650;line-height:1.5}.specialty-explanation .specialty-after-pci{border-left:2px solid #a6b6b0;margin-top:13px;padding-left:11px}.specialty-treatment-button{color:#7f2c3d;width:100%;min-height:44px;font:inherit;background:#f7edef;border:1px solid #d8bdc3;border-radius:5px;justify-content:space-between;gap:10px;margin-top:16px;padding:10px 12px;font-size:14px;display:flex}.specialty-details{border-top:1px solid #e0e3e3;margin-top:8px}.specialty-details summary{color:#35434b;min-height:44px;padding:12px 0;font-size:14px;font-weight:600;line-height:1.55}.specialty-details>p:last-child,.specialty-details>section:last-child{margin-bottom:16px}.specialty-details section{margin:10px 0 20px}.specialty-details ul,.specialty-details ol{margin:0 0 16px;padding-left:21px}.specialty-details li{margin:0 0 11px;padding-left:3px}.specialty-evidence a{overflow-wrap:anywhere;min-height:40px;padding:8px 0;font-size:14px;line-height:1.55;display:inline-block}.specialty-evidence li{padding-bottom:12px}.specialty-evidence .specialty-caption{margin-top:0}.specialty-lesion-selector :is(select,button):focus-visible,.specialty-explanation :is(select,button,a,summary):focus-visible{outline-offset:3px;outline:3px solid #377e87}@media (width<=760px){.specialty-lesion-selector{grid-template-columns:minmax(0,1fr);gap:16px;padding:17px}.specialty-severity-buttons{grid-template-columns:repeat(2,minmax(0,1fr))}.specialty-severity-buttons button{padding:10px 8px}.explanation-panel.specialty-explanation{padding:20px}}.specialty-quiz .page-heading p{font-size:14px;line-height:1.6}.specialty-quiz .page-heading>button,.specialty-quiz-levels button{min-height:44px;padding:10px 14px;font-size:14px;line-height:1.4}.specialty-quiz-levels{flex-wrap:wrap;gap:10px;margin:6px 0 12px;display:flex}.specialty-quiz-levels button[aria-pressed=true]{color:#7f2c3d;background:#f6ecee;border-color:#8b3647;box-shadow:inset 0 0 0 1px #8b3647}.specialty-quiz .specialty-quiz-caption{color:#53616a;max-width:850px;margin:0 0 18px;font-size:12px;line-height:1.65}.specialty-quiz .quiz-progress{flex-wrap:wrap;gap:12px 20px;font-size:14px}.specialty-quiz .quiz-progress strong{font-size:14px}.specialty-quiz .quiz-question h2{font-size:19px;line-height:1.55}.specialty-quiz .quiz-options button{align-items:flex-start;gap:12px;min-height:48px;font-size:14px;line-height:1.6}.specialty-quiz .quiz-options button>.specialty-quiz-option-letter{color:#48565f;width:26px;height:26px;font-size:12px}.specialty-quiz .quiz-options button>.specialty-quiz-option-copy{width:auto;height:auto;color:inherit;text-align:left;border:0;border-radius:0;flex:1;min-width:0;padding:0;font-size:14px;line-height:1.6;display:block}.specialty-quiz .quiz-options button>svg{flex-shrink:0;margin-top:3px}.specialty-quiz .specialty-quiz-option-state{color:inherit;margin-top:6px;font-size:12px;font-weight:650;line-height:1.5;display:block}.specialty-quiz .quiz-explanation,.specialty-quiz .quiz-explanation p{color:#3f4d56;font-size:14px;line-height:1.7}.specialty-quiz-sources{border-top:1px solid #dfe3e3;margin-top:15px}.specialty-quiz-sources summary{color:#3f4d56;min-height:44px;padding:11px 0;font-size:14px}.specialty-quiz-sources ul{margin:0;padding-left:20px}.specialty-quiz-sources li{padding:0 0 12px}.specialty-quiz-sources a{overflow-wrap:anywhere;min-height:40px;padding:8px 0;font-size:14px;line-height:1.6;display:inline-block}.specialty-quiz-sources li>span{color:#53616a;font-size:12px;line-height:1.6;display:block}@media (width<=600px){.specialty-quiz .quiz-options{grid-template-columns:minmax(0,1fr)}.specialty-quiz .quiz-question{grid-template-columns:28px minmax(0,1fr);gap:12px}.specialty-quiz .quiz-question h2{font-size:17px}.specialty-quiz .quiz-progress progress{max-width:100%}}@font-face{font-family:DM Sans Variable;font-style:normal;font-display:swap;font-weight:100 1000;src:url(/assets/dm-sans-latin-ext-wght-normal-BOFOeGcA.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:DM Sans Variable;font-style:normal;font-display:swap;font-weight:100 1000;src:url(/assets/dm-sans-latin-wght-normal-Xz1IZZA0.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Newsreader Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/newsreader-vietnamese-wght-normal-Czsa-EzN.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Newsreader Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/newsreader-latin-ext-wght-normal-C-3rgBeH.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Newsreader Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/newsreader-latin-wght-normal-CCVVNp6i.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{color:#242a31;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--wine:#8b3647;--muted:#5f696f;--line:#dddeda;--paper:#fff;scrollbar-gutter:stable;background:#f5f5f3;font-family:DM Sans Variable,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{min-height:40px;color:inherit;cursor:pointer;background:#fff;border:1px solid #d4d7d4;border-radius:5px;justify-content:center;align-items:center;gap:8px;padding:10px 14px;font-size:13px;font-weight:500;line-height:1.4;transition:background .15s,border-color .15s;display:inline-flex}button:hover:not(:disabled){background:#f4efef;border-color:#baa6aa}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline-offset:3px;outline:3px solid #3a7e87}a{color:var(--wine);text-underline-offset:3px}p{margin:8px 0 15px;line-height:1.65}h1,h2,h3{letter-spacing:-.035em;margin:0;font-weight:650;line-height:1.2}h1{font-size:32px}h2{font-size:23px}h3{letter-spacing:-.015em;font-size:16px}small,.small{color:var(--muted);font-size:12px;line-height:1.65}svg{flex-shrink:0}select{color:#374149;background:#fff;border:1px solid #bfc7c7;border-radius:5px;width:100%;min-height:44px;padding:10px 12px;font-size:14px}input[type=checkbox]{width:17px;height:17px;accent-color:var(--wine);cursor:pointer;margin:0}label{align-items:center;gap:8px;display:flex}summary{cursor:pointer;line-height:1.6}.primary,button.primary{background:var(--wine);border-color:var(--wine);color:#fff}.section-label{text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-size:11px;font-weight:600}.skip-link{z-index:100;background:#fff;padding:12px;position:fixed;top:10px;left:10px;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}.app-header{border-bottom:1px solid var(--line);background:#fff;align-items:center;gap:6%;height:66px;padding:0 max(28px,50vw - 718px);display:flex}.brand{color:#20262e;white-space:nowrap;letter-spacing:-.04em;align-items:center;gap:12px;font-size:19px;font-weight:700;text-decoration:none;display:flex}.brand svg{stroke-width:1.7px;width:29px;height:29px;color:var(--wine)}.main-nav{align-self:stretch;gap:10px;display:flex}.main-nav button{color:#59616a;background:0 0;border:0;border-bottom:2px solid #0000;border-radius:0;padding:0 16px;font-size:13px}.main-nav button[aria-current=page]{color:var(--wine);border-bottom-color:var(--wine)}.header-legal{color:var(--muted);white-space:nowrap;background:0 0;border:0;margin-left:auto;padding-right:0;font-size:12px}main{max-width:1500px;margin:auto;padding:27px 32px 28px}.workspace-intro{justify-content:space-between;align-items:center;gap:24px;display:flex}.workspace-intro h1{font-size:32px}.workspace-intro p{color:#626b72;margin:8px 0 0;font-size:14px}.copy-link{white-space:nowrap;color:var(--muted);background:0 0;border:0;font-size:12px}.purpose-note{border-bottom:1px solid var(--line);color:#626a6e;justify-content:space-between;align-items:center;gap:16px;margin:14px 0 20px;padding-bottom:14px;font-size:12px;display:flex}.purpose-note button{min-height:25px;color:var(--wine);background:0 0;border:0;padding:0;font-size:12px}.case-selector{align-items:center;gap:9px;margin-bottom:14px;display:flex}.case-selector>span{margin-right:12px;font-size:12px;font-weight:600}.case-selector button{min-width:145px;padding:9px 15px;font-size:13px}.case-selector button[aria-pressed=true]{background:var(--wine);border-color:var(--wine);color:#fff}.specialty-lesion-selector{margin-bottom:20px}.workspace-grid{grid-template-columns:minmax(0,1.62fr) minmax(330px,1fr);align-items:start;gap:20px;display:grid}.anatomy-panel{background:#e9eae7;border:1px solid #dedfda;border-radius:9px;grid-area:1/1;align-self:start;min-width:0;position:relative;overflow:hidden}.explanation-panel{background:#fff;border:1px solid #e0e2dd;border-radius:9px;grid-area:1/2/span 2;align-self:start;min-width:0}.ecg-panel{background:#fff;border:1px solid #e0e2dd;border-radius:9px;grid-area:2/1;align-self:start;min-width:0;padding:22px}.view-tabs{z-index:3;background:#fafaf8e8;border-radius:5px;flex-direction:column;width:132px;display:flex;position:absolute;top:18px;left:18px;overflow:hidden}.view-tabs button{text-align:left;background:0 0;border:0;border-bottom:1px solid #dddeda;border-radius:0;justify-content:flex-start;gap:10px;min-height:51px;padding:15px 12px;font-size:12px;font-weight:450;line-height:1.45}.view-tabs button[aria-pressed=true]{color:#fff;background:#934657}.view-tabs svg{stroke-width:1.5px}.orientation{color:#626a6c;z-index:2;pointer-events:none;justify-content:space-between;gap:20px;font-size:11px;display:flex;position:absolute;top:20px;left:172px;right:20px}.orientation span:last-child{font-size:10px}.heart-stage{height:520px;padding:40px 20px 0 35px;position:relative}.heart-stage>div{height:100%}.heart-stage,.heart-stage *{touch-action:pan-y!important}.viewport-caption{color:#5f696a;justify-content:space-between;gap:20px;padding:0 20px 14px;font-size:11px;line-height:1.6;display:flex}.geometry-note{color:#69583f;background:#f8f6ef;border-left:2px solid #b59a70;margin:0 20px 14px;padding:12px 14px;font-size:12px;line-height:1.6}.anatomy-bottom{border-top:1px solid #c9cfca;flex-direction:column;gap:12px;margin:0 20px;padding:14px 0 12px;display:flex}.camera-controls{flex-wrap:wrap;align-items:center;gap:5px;display:flex}.camera-controls>span{color:#5e6668;margin-right:9px;font-size:12px}.camera-controls button{background:#f8f8f5;border:1px solid #0000;min-height:36px;padding:7px 10px;font-size:12px}.camera-controls button[aria-pressed=true]{background:var(--wine);color:#fff}.layer-controls{color:#4e5b5d;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:12px;display:flex}.layer-controls label{min-height:27px}.layer-controls input{width:15px;height:15px}.layer-controls>button{color:var(--wine);background:0 0;border:0;min-height:27px;margin-left:auto;padding:3px 0;font-size:12px}.viewer-evidence-link{color:#575f5d;background:#f2f1e9;border-top:1px solid #dcddd4;flex-wrap:wrap;align-items:center;gap:9px;padding:13px 20px;font-size:12px;display:flex}.territory-key{background:#c8a773;border:1px solid #b89965;border-radius:2px;width:10px;height:10px}.viewer-evidence-link>svg{width:14px;height:14px;margin-left:auto}.viewer-evidence-link button{min-height:25px;color:var(--wine);background:0 0;border:0;padding:0;font-size:12px}.view-cutaway>.view-tabs{border-bottom:1px solid var(--line);background:#f8f8f4;border-radius:0;flex-direction:row;width:100%;position:relative;top:auto;left:auto}.view-cutaway>.view-tabs button{border-bottom:0;flex:1;justify-content:center;min-height:48px;padding:12px}.view-cutaway{background:#fff}.view-torso .torso-view{padding-top:45px}.ecg-panel-heading{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:18px;display:flex}.ecg-panel-heading .section-label{margin-bottom:6px;display:block}.ecg-panel-heading h2{font-size:22px}.ecg-panel-heading p{color:var(--muted);margin:5px 0 0;font-size:12px}.ecg-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:15px;font-size:12px;display:flex}.ecg-actions label{white-space:nowrap}.ecg-actions input{width:15px;height:15px}.ecg-actions button{color:var(--wine);white-space:nowrap;background:0 0;border:0;min-height:29px;padding:0;font-size:12px}.ecg-meta{flex-wrap:wrap;gap:12px;margin-bottom:12px;font-size:12px;line-height:1.6}.ecg-reference{font-size:11px}.ecg-grid{gap:6px}.ecg-lead.ecg-selected{border-color:var(--wine);box-shadow:0 0 0 1px var(--wine)}.ecg-selected .ecg-trace{stroke:var(--wine)}.ecg-footnote{flex-direction:column;gap:8px;font-size:11px;line-height:1.7}.ecg-footnote>span{text-align:left;max-width:none}.ecg-case-limit{color:#6c5b62;border-left:2px solid #cfafb8;margin:18px 0 0;padding-left:12px;font-size:12px;line-height:1.65}.selected-lead-strip{border-top:1px solid var(--line);align-items:flex-start;gap:12px;margin-top:18px;padding:17px 0 0;display:flex}.selected-lead-strip>span{color:var(--wine);text-align:center;background:#f4e9ec;border-radius:4px;min-width:34px;padding:7px 10px;font-weight:600}.selected-lead-strip>div{flex:1}.selected-lead-strip strong{font-size:12px}.selected-lead-strip p{color:var(--muted);margin:5px 0;font-size:12px}.selected-lead-strip>button{color:var(--wine);white-space:nowrap;background:0 0;border:0;min-height:30px;padding:0;font-size:12px}.qualitative-evidence{background:#f6f6f1;border-radius:6px;padding:20px}.evidence-intro{align-items:flex-start;gap:13px;display:flex}.evidence-intro>svg{color:var(--wine);margin-top:3px}.evidence-intro strong{font-size:15px;font-weight:550}.evidence-intro p{color:#606b6f;margin:7px 0;font-size:13px}.qualitative-evidence>ul{color:#525d61;margin:12px 0 20px;padding-left:20px;font-size:13px;line-height:1.8}.discussion-leads>span{color:#657075;font-size:12px}.discussion-leads>div{flex-wrap:wrap;gap:6px;margin:9px 0 15px;display:flex}.discussion-leads button{min-height:34px;padding:5px 10px;font-size:12px}.discussion-leads button[aria-pressed=true]{border-color:var(--wine);color:var(--wine);background:#f9eff1}.family-toggle{width:100%;color:var(--wine);text-align:left;background:#fff;justify-content:space-between;min-height:42px;font-size:12px}.reference-separation{background:#faf7ee;border-left:3px solid #b89965;margin:20px 0;padding:12px 15px;font-size:12px;line-height:1.7}.reference-separation strong{margin-bottom:4px;display:block}.treatment-reference{border-top:1px solid var(--line);margin:24px 0 0;padding:18px 0}.treatment-reference summary{font-size:14px;font-weight:550}.treatment-reference>div{grid-template-columns:repeat(3,1fr);gap:28px;padding-top:22px;display:grid}.treatment-reference p{color:var(--muted);font-size:13px}.graphics-loading{color:var(--muted);justify-content:center;align-items:center;gap:12px;font-size:14px;display:flex}.spin{animation:1.3s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-note{color:var(--muted);font-size:12px;position:absolute;bottom:12px;left:30%}.fallback-anatomy{justify-content:center;align-items:center;height:100%;display:flex;position:relative}.fallback-anatomy img{object-fit:contain;mix-blend-mode:multiply;width:100%;max-height:440px}.fallback-caption{background:#f7f7f2ee;border-radius:4px;flex-direction:column;gap:5px;padding:10px 12px;font-size:12px;line-height:1.5;display:flex;position:absolute;bottom:10px;left:10px;right:10px}.graphics-error{background:#fcf5e6;border:1px solid #e6d4aa;border-radius:5px;padding:12px;font-size:12px;line-height:1.6;position:absolute;bottom:12px;left:15px;right:15px}.graphics-error button{min-height:33px;margin-left:6px;padding:5px 10px;font-size:12px}.torso-view{grid-template-columns:1.25fr 1fr;align-items:center;gap:22px;min-height:580px;padding:35px 25px 18px 145px;display:grid}.torso-diagram{width:100%;min-width:0}.torso-diagram svg{width:100%;max-height:480px;display:block}.torso-details h3{font-size:22px}.torso-details p{color:#59666d;font-size:13px}.torso-details label{margin:15px 0 7px;font-size:12px;font-weight:600}.torso-details select{font-size:13px}.torso-details .placement{background:#f7f7f1;border-left:2px solid #bfa77f;min-height:90px;margin:14px 0;padding:12px}.torso-layer-controls{border-top:1px solid #cbd0cc;align-items:center;gap:24px;padding:16px 24px;font-size:12px;display:flex}.svg-label{fill:#495960;font:13px DM Sans Variable,sans-serif}.svg-small{fill:#687578;font:11px DM Sans Variable,sans-serif}.svg-electrode{fill:#7f3446;font:600 11px DM Sans Variable,sans-serif}.electrode-point{cursor:pointer}.guided-workspace{border-left:3px solid var(--wine);background:#fff;border-radius:5px;margin:24px 0;padding:21px 24px}.guided-heading{color:var(--wine);flex-wrap:wrap;align-items:center;gap:12px;font-size:12px;display:flex}.guided-heading strong{color:#2c3438;font-size:19px;font-weight:550}.guided-workspace>p{color:#5c686d;max-width:1100px;margin:14px 0 18px;font-size:14px}.guided-actions{justify-content:space-between;align-items:center;gap:15px;display:flex}.guided-actions>button{font-size:12px}.lesson-dots{gap:7px;display:flex}.lesson-dots button{border-radius:50%;width:32px;height:32px;min-height:32px;padding:0;font-size:12px}.lesson-dots button[aria-current=step]{background:var(--wine);color:#fff;border-color:var(--wine)}.learning-page{min-height:70vh;padding:14px 0 30px}.page-heading{justify-content:flex-start;align-items:center;gap:15px;margin-bottom:27px;display:flex}.page-heading>svg{color:var(--wine)}.page-heading>button{margin-left:auto}.page-heading p{color:var(--muted);margin:9px 0 0;font-size:14px}.quiz-progress{color:var(--muted);flex-wrap:wrap;align-items:center;gap:20px;padding:12px 0 25px;font-size:13px;display:flex}.quiz-progress progress{accent-color:var(--wine);width:230px;height:8px}.quiz-progress strong{color:var(--wine);font-size:13px}.quiz-list{max-width:1080px}.quiz-question{border-top:1px solid var(--line);grid-template-columns:42px 1fr;gap:22px;padding:30px 0;display:grid}.question-number{color:#96717b;font-size:21px}.quiz-question h2{letter-spacing:-.015em;margin:0 0 20px;font-size:20px;font-weight:550;line-height:1.5}.quiz-options{grid-template-columns:1fr 1fr;gap:9px;display:grid}.quiz-options button{text-align:left;justify-content:flex-start;min-height:54px;padding:13px;font-size:13px;line-height:1.6}.quiz-options button>span{color:#738082;border:1px solid #d5d7d2;flex-shrink:0;justify-content:center;align-items:center;width:25px;height:25px;font-size:12px;display:flex}.quiz-options button:disabled{opacity:1;color:#667074}.quiz-options button.answer-correct{color:#2f6240;background:#eef5ee;border-color:#85ab8d}.quiz-options button.answer-wrong{background:#f8eaea;border-color:#c18b91}.quiz-options svg{margin-left:auto}.quiz-explanation{border-left:2px solid var(--wine);background:#fff;margin-top:16px;padding:17px 20px;font-size:14px}.quiz-explanation p{color:#5c696d;margin-bottom:0;font-size:13px}.review-note{border-left:3px solid var(--wine);background:#efe7e8;border-radius:4px;margin-bottom:30px;padding:20px 24px}.review-note p{color:#58646a;margin:9px 0 0;font-size:13px}.source-layout{grid-template-columns:2fr 1fr;gap:50px;display:grid}.source-layout h2{margin-bottom:22px;font-size:22px}.source-item{border-top:1px solid var(--line);padding:21px 0}.source-item>span{letter-spacing:.03em;color:var(--muted);font-size:11px}.source-item h3{margin:8px 0;font-size:16px;line-height:1.5}.source-item h3 a{color:#323c41;text-decoration:none}.source-item h3 a:hover{text-decoration:underline}.source-item p{color:#596870;margin:8px 0;font-size:13px}.source-item small{font-size:12px}.source-item details{color:var(--wine);margin-top:10px;font-size:12px}.source-item ul{color:#5b676a;line-height:1.8}.source-item svg{color:var(--wine);margin-left:8px;display:inline}.source-layout aside{border-left:1px solid var(--line);padding-left:30px}.source-layout aside p{color:var(--muted);font-size:13px}.source-layout aside h3{margin:27px 0 10px}.source-layout aside>a{font-size:13px}.mi-reference{border-top:1px solid var(--line);margin-top:35px;padding-top:22px}.mi-reference summary{font-size:19px;font-weight:550}.mi-reference>div{grid-template-columns:repeat(4,1fr);gap:26px;padding-top:25px;display:grid}.mi-reference p{color:var(--muted);font-size:13px}.mi-reference small{font-size:11px}.legal-page{max-width:1050px;margin:0 auto}.legal-page .page-heading h1{font-size:30px}.legal-page .page-heading p{font-size:12px}.legal-intro{background:#edece5;border-left:3px solid #ad916b;border-radius:4px;margin-bottom:30px;padding:22px 25px}.legal-intro strong{font-size:20px;font-weight:550}.legal-intro p{color:#59666a;margin-bottom:0;font-size:14px}.legal-sections article{border-top:1px solid var(--line);padding:25px 0}.legal-sections h2{margin-bottom:17px;font-size:21px;font-weight:550}.legal-sections p{color:#526068;font-size:14px;line-height:1.8}.legal-references{border-top:1px solid var(--line);padding-top:25px}.legal-references h2{font-size:21px}.legal-references>p{color:var(--muted);font-size:13px}.legal-references a{font-size:14px}.legal-references small{margin-top:7px;font-size:12px;display:block}.legal-references svg{margin-left:7px;display:inline}footer{border-top:1px solid var(--line);color:#657074;background:0 0;justify-content:space-between;align-items:flex-start;gap:35px;max-width:1436px;margin:0 auto;padding:25px 0 32px;font-size:12px;line-height:1.7;display:flex;position:relative!important}footer strong{color:#4e585d;font-size:13px;font-weight:550}footer p{max-width:850px;margin:6px 0 0;font-size:12px}footer nav{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:7px;display:flex}footer button{color:var(--wine);white-space:nowrap;background:0 0;border:0;min-height:28px;padding:0;font-size:12px}.modal-backdrop{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#20252d80;justify-content:center;align-items:center;padding:25px;display:flex;position:fixed;inset:0}.ecg-modal{background:#fff;border-radius:10px;width:100%;max-width:1320px;max-height:94vh;padding:28px;overflow:auto;box-shadow:0 20px 90px #0003}.ecg-modal .close-modal{border:0;min-height:35px;padding:5px}.modal-compare{margin:0 0 20px;font-size:13px}.modal-lead-explanation{color:var(--muted);border-top:1px solid var(--line);margin-top:20px;padding-top:18px;font-size:13px}.modal-lead-explanation p{font-size:13px}.mobile-tabs,.embedded .workspace-intro,.embedded .purpose-note{display:none}.embedded main{padding-top:18px}.embedded .case-selector{margin-top:0}.embedded .app-header{height:54px}.embedded .brand{font-size:17px}.embedded .brand svg{width:24px}.embedded .specialty-lesion-selector{padding:15px 20px}@media (width<=1200px){.app-header{gap:3%;padding:0 25px}.main-nav{gap:3px}.main-nav button{padding:0 12px}.workspace-intro h1{font-size:28px}main{padding-left:24px;padding-right:24px}.workspace-grid{grid-template-columns:minmax(0,1.4fr) minmax(320px,1fr);gap:16px}.heart-stage{height:490px;padding-left:20px;padding-right:10px}.orientation{font-size:10px;left:160px}.orientation span:last-child{display:none}.ecg-panel{padding:20px}.ecg-panel-heading{flex-direction:column;gap:13px}.ecg-actions{justify-content:space-between;width:100%}.view-tabs{width:120px;left:15px}.view-tabs button{padding:13px 10px;font-size:11px}.layer-controls{gap:8px 14px;font-size:11px}.layer-controls>button{font-size:11px}.layer-controls input{width:14px;height:14px}.camera-controls button{padding:7px 8px;font-size:11px}.viewport-caption{font-size:10px}.selected-lead-strip{flex-wrap:wrap}.selected-lead-strip>button{margin-left:47px}.torso-view{grid-template-columns:1fr;gap:15px;padding-left:125px;padding-right:16px}.torso-diagram svg{max-height:315px}.torso-details{padding:5px 8px 15px}.torso-details .placement{min-height:0}.torso-details p{font-size:13px}.torso-layer-controls{gap:13px;font-size:11px}.source-layout{gap:30px}footer{margin-left:24px;margin-right:24px}.case-selector button{min-width:128px;font-size:12px}.pci-stage-list{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (width<=900px){.header-legal{display:none}.brand{font-size:17px}.brand svg{width:26px}.main-nav button{padding:0 9px;font-size:12px}.app-header{justify-content:space-between;gap:20px}.workspace-grid{grid-template-columns:minmax(0,1.25fr) minmax(290px,1fr);gap:13px}.workspace-intro h1{font-size:26px}.workspace-intro p{font-size:13px}.copy-link span{display:none}.case-selector button{flex:1;min-width:0;padding:9px 8px;font-size:11px}.case-selector>span{margin-right:4px;font-size:11px}.purpose-note{font-size:11px}.purpose-note button{white-space:nowrap;font-size:11px}.view-tabs{border-bottom:1px solid #d8dcd6;border-radius:0;flex-direction:row;width:100%;position:relative;top:auto;left:auto}.view-tabs button{border-bottom:0;flex:1;justify-content:center;gap:6px;padding:12px 6px;font-size:10px}.view-tabs svg{width:17px;height:17px}.orientation{font-size:10px;top:64px;left:13px;right:13px}.heart-stage{height:445px;padding:20px 0 0}.anatomy-bottom{margin:0 13px}.camera-controls{gap:4px}.camera-controls>span{display:none}.camera-controls button{min-height:34px;padding:6px 7px;font-size:10px}.layer-controls{gap:7px 12px;font-size:11px}.viewer-evidence-link{padding:12px 13px;font-size:11px}.viewer-evidence-link button{font-size:11px}.viewport-caption{flex-wrap:wrap;gap:4px;padding:0 13px 12px}.geometry-note{margin-left:13px;margin-right:13px;font-size:11px}.torso-view,.view-torso .torso-view{min-height:0;padding:25px 18px 15px}.source-layout{grid-template-columns:1.5fr 1fr}.source-layout aside{padding-left:20px}.mi-reference>div{grid-template-columns:1fr 1fr}.treatment-reference>div{gap:20px}.guided-heading strong{width:100%;font-size:20px}.purpose-note>span{max-width:500px}.ecg-panel{padding:16px}.selected-lead-strip p,.ecg-case-limit{font-size:12px}}@media (width<=700px){:root{scrollbar-gutter:auto}.app-header{flex-wrap:wrap;gap:12px;height:auto;padding:15px 17px 0}.brand{font-size:18px}.brand svg{width:27px;height:27px}.main-nav{order:2;justify-content:space-between;gap:0;width:100%;height:43px}.main-nav button{padding:0 9px;font-size:12px}.main-nav button:first-child{padding-left:0}.main-nav button:last-child{padding-right:0}main{padding:22px 15px}.workspace-intro{align-items:flex-start;gap:9px}.workspace-intro h1{font-size:28px;line-height:1.2}.workspace-intro p{margin-top:10px;font-size:13px;line-height:1.6}.copy-link{min-height:30px;margin-top:5px;padding:4px}.purpose-note{margin-top:14px;padding-bottom:16px;font-size:12px;line-height:1.65;display:block}.purpose-note button{margin-top:7px;font-size:12px}.purpose-note>span{display:block}.case-selector{grid-template-columns:1fr 1fr;gap:7px;margin-top:16px;display:grid}.case-selector>span{grid-column:1/-1;margin:0 0 3px;font-size:12px}.case-selector button{min-height:42px;padding:11px 8px;font-size:12px}.mobile-tabs{border-bottom:1px solid #d3d8d3;margin:17px 0 14px;display:flex}.mobile-tabs button{color:#657176;background:0 0;border:0;border-bottom:2px solid #0000;border-radius:0;flex:1;padding:12px 0;font-size:13px}.mobile-tabs button[aria-pressed=true]{border-color:var(--wine);color:var(--wine)}.workspace-grid{flex-direction:column;gap:15px;display:flex}.anatomy-panel,.explanation-panel,.ecg-panel{grid-area:auto;width:100%}.view-tabs button{gap:5px;min-height:48px;padding:12px 5px;font-size:11px}.heart-stage{height:420px}.orientation{font-size:10px;top:62px}.camera-controls{justify-content:center;gap:5px}.camera-controls button{min-height:38px;padding:8px;font-size:11px}.layer-controls{justify-content:center;gap:9px 18px;font-size:12px}.layer-controls label{min-height:30px}.layer-controls>button{margin-left:0;font-size:12px}.layer-controls input{width:16px;height:16px}.viewport-caption{font-size:11px;line-height:1.8;display:block}.viewport-caption>span{display:block}.anatomy-bottom{padding-bottom:16px}.viewer-evidence-link{font-size:12px;line-height:1.6}.viewer-evidence-link button{font-size:12px}.viewer-evidence-link>svg{margin-left:0}.geometry-note{font-size:12px}.mobile-anatomy .ecg-panel,.mobile-anatomy .explanation-panel,.mobile-ecg .anatomy-panel,.mobile-ecg .explanation-panel,.mobile-treatment .ecg-panel,.mobile-treatment .explanation-panel,.mobile-learn .anatomy-panel,.mobile-learn .ecg-panel{display:none}.ecg-panel{padding:20px 14px}.ecg-panel-heading h2{font-size:23px}.ecg-actions{font-size:12px}.ecg-actions button{min-height:36px;font-size:12px}.ecg-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.ecg-meta{font-size:12px}.ecg-footnote{font-size:11px;line-height:1.7}.ecg-footnote>span{text-align:left}.selected-lead-strip{grid-template-columns:34px minmax(0,1fr);display:grid}.selected-lead-strip>button{grid-column:2;justify-self:start;margin-left:0}.selected-lead-strip strong{font-size:13px}.selected-lead-strip p{font-size:12px}.qualitative-evidence{padding:17px}.evidence-intro{gap:10px}.evidence-intro strong{font-size:15px}.qualitative-evidence>ul{font-size:13px}.family-toggle{font-size:12px}.discussion-leads button{min-height:40px}.treatment-reference{margin-top:20px}.treatment-reference>div{grid-template-columns:1fr;gap:16px}.treatment-reference p{font-size:13px}.torso-view,.view-torso .torso-view{padding:20px 18px 15px;display:block}.torso-diagram svg{max-height:420px}.torso-details{padding:18px 4px}.torso-details h3{font-size:22px}.torso-details p{font-size:14px}.torso-details label{font-size:13px}.torso-layer-controls{flex-wrap:wrap;gap:14px;padding:16px 20px;font-size:12px}.guided-workspace{margin:18px 0;padding:18px 16px}.guided-heading{gap:9px;font-size:12px}.guided-heading strong{font-size:21px}.guided-workspace>p{font-size:14px;line-height:1.75}.guided-actions{flex-wrap:wrap;gap:12px}.lesson-dots{order:3;justify-content:center;width:100%}.guided-actions>button{font-size:12px}.page-heading{flex-wrap:wrap;align-items:flex-start}.page-heading h1{font-size:28px}.page-heading p{font-size:13px}.page-heading>svg{display:none}.page-heading>button{margin-left:0}.quiz-question{grid-template-columns:28px 1fr;gap:9px;padding:25px 0}.question-number{font-size:18px}.quiz-question h2{font-size:17px;line-height:1.5}.quiz-options{grid-template-columns:1fr}.quiz-options button{min-height:50px;padding:11px;font-size:13px}.quiz-explanation{padding:15px;font-size:13px}.quiz-progress{gap:12px;font-size:12px}.quiz-progress progress{width:150px}.source-layout{grid-template-columns:1fr}.source-layout aside{border-left:0;border-top:1px solid var(--line);padding:25px 0 0}.source-item>span{font-size:11px}.source-item h3{font-size:16px}.source-item p{font-size:13px}.source-item small{font-size:12px}.review-note{padding:18px}.mi-reference>div{grid-template-columns:1fr;gap:18px}.mi-reference summary{font-size:18px}.legal-page .page-heading h1{font-size:27px}.legal-intro{padding:19px}.legal-intro strong,.legal-sections h2{font-size:21px}.legal-sections p{font-size:14px}footer{margin:0 15px;padding:24px 0 30px;font-size:12px;line-height:1.7;display:block}footer p{font-size:12px}footer nav{flex-flow:wrap;align-items:flex-start;gap:12px 22px;margin-top:15px}footer button{min-height:32px;font-size:12px}.modal-backdrop{padding:8px}.ecg-modal{border-radius:8px;max-height:96vh;padding:20px 13px}.ecg-modal .ecg-panel-heading{flex-direction:row;gap:8px}.ecg-modal .ecg-panel-heading h2{font-size:20px}.ecg-modal .ecg-panel-heading p,.modal-compare{font-size:12px}.modal-lead-explanation{font-size:13px}.embedded .app-header{height:auto;padding-top:12px}.embedded main{padding-top:14px}.embedded .case-selector{margin-top:0}.embedded .specialty-lesion-selector{padding:16px}.fallback-caption{font-size:12px}.fallback-anatomy img{max-height:360px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.specialty-lesion-selector{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}@media (width<=700px){.specialty-lesion-selector{grid-template-columns:1fr}}:root{--atlas-bg:#eee8db;--atlas-control:#f5f0e5;--atlas-ink:#25251f;--wine:#8a3d43;--atlas-muted:#625f55;--muted:var(--atlas-muted);--line:#d1c8b6;--paper:#f5f0e5;--serif:"Newsreader Variable", Georgia, "Times New Roman", serif;--sans:"DM Sans Variable", sans-serif;background:var(--atlas-bg);color:var(--atlas-ink);scrollbar-gutter:auto}body{background:var(--atlas-bg)}.sr-only{clip:rect(0, 0, 0, 0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.atlas-shell{max-width:1900px;min-height:100vh;color:var(--atlas-ink);font-family:var(--sans);grid-template-columns:clamp(200px,15.25vw,250px) minmax(0,1fr);margin:0 auto;display:grid}.atlas-shell h1,.atlas-shell h2,.atlas-shell h3{color:var(--atlas-ink);font-family:var(--serif);letter-spacing:-.035em;font-weight:400}.atlas-shell button,.atlas-shell select,.atlas-shell summary{font-family:var(--serif)}.atlas-shell button{background:var(--atlas-control);border-color:var(--line);min-height:32px;box-shadow:none;border-radius:3px;font-size:15px;font-weight:400}.atlas-shell button:hover:not(:disabled){background:#e9ddcb;border-color:#b9ab95}.atlas-shell button:focus-visible,.atlas-shell summary:focus-visible,.atlas-shell select:focus-visible,.atlas-shell a:focus-visible,.atlas-shell input:focus-visible{outline:2px solid var(--wine);outline-offset:4px}.atlas-shell button>svg,.atlas-shell summary>svg{stroke-width:1.45px}.atlas-sidebar{border-right:1px solid var(--line);grid-column:1;padding:26px 15px 30px}.atlas-brand{font:400 36px/.94 var(--serif);letter-spacing:-.035em;color:#191b15;padding:0 14px;text-decoration:none;display:block}.atlas-brand span{display:block}.atlas-brand-caption{letter-spacing:3px;text-transform:uppercase;color:var(--atlas-muted);margin:13px 14px 18px;font:10px/1.5 Courier New,monospace}.atlas-navigation{gap:1px;display:grid}.atlas-navigation button{min-height:44px;font:400 17px/1.2 var(--serif);text-align:left;white-space:nowrap;background:0 0;border:0;border-radius:2px;justify-content:flex-start;gap:15px;padding:9px 12px;position:relative}.atlas-navigation button[aria-current=page]{color:var(--wine);background:#e9dacf}.atlas-navigation button[aria-current=page]:before{content:"";background:var(--wine);width:2px;position:absolute;top:4px;bottom:4px;left:0}.atlas-chapters{border-top:1px solid var(--line);margin-top:20px;padding-top:22px}.atlas-overline{color:var(--atlas-muted);text-transform:uppercase;letter-spacing:2.1px;margin:0 8px 17px;font:10px/1.5 Courier New,monospace}.atlas-chapter{margin-bottom:5px}.atlas-chapter-button{text-align:left;align-items:flex-start;width:100%;display:flex;position:relative;background:0 0!important;border:0!important;justify-content:flex-start!important;gap:14px!important;padding:13px 14px!important}.atlas-chapter-button>svg{flex-shrink:0;margin-top:1px}.atlas-chapter-button>svg:last-child:not(:first-child){position:absolute;top:15px;right:9px}.atlas-chapter-button strong{font:400 18px/1.15 var(--serif);display:block}.atlas-chapter-button small{font:400 12px/1.3 var(--serif);color:var(--atlas-muted);margin-top:3px;display:block}.atlas-chapter.is-active:not(:first-of-type) .atlas-chapter-button{color:#fff;background:var(--wine)!important}.atlas-chapter.is-active:not(:first-of-type) .atlas-chapter-button small{color:#f4e7db}.atlas-branch-list{border-left:1px solid #c5bcaa;margin:7px 0 12px 30px;padding-left:22px}.atlas-branch-list button{text-align:left;min-height:31px;color:var(--atlas-muted);font:400 15px/1.2 var(--serif);background:0 0;border:0;padding:7px 0;display:block;position:relative}.atlas-branch-list button:before{content:"";background:#9b998c;border-radius:50%;width:6px;height:6px;position:absolute;top:13px;left:-26px}.atlas-branch-list button[aria-current]{color:var(--wine);font-weight:550}.atlas-branch-list button[aria-current]:before{background:var(--wine);width:8px;height:8px;top:12px;left:-27px}.atlas-left-main{color:#fff;width:100%;margin-top:12px;background:var(--wine)!important}.atlas-main{grid-column:2;min-width:0;max-width:none;margin:0;padding:19px 22px 0 29px}.atlas-workspace{grid-template-columns:minmax(0,1fr) clamp(300px,23.6vw,360px);align-items:start;gap:18px;display:grid}.atlas-content{min-width:0}.atlas-document{min-height:calc(100vh - 90px)}.atlas-document>.atlas-content{max-width:1100px}.atlas-shell .workspace-intro{margin:0 0 10px;display:block}.atlas-shell .workspace-intro h1{font:400 clamp(45px, 4vw, 63px)/.9 var(--serif);letter-spacing:-.045em;margin:0}.atlas-shell .workspace-intro p{font:400 21px/1.25 var(--serif);color:var(--atlas-muted);margin:5px 0 0}.atlas-toolbar{align-items:end;gap:18px;min-width:0;margin-bottom:3px;display:flex}.atlas-shell .view-tabs{border:1px solid var(--line);background:0 0;border-radius:3px;flex-direction:row;flex-shrink:0;width:auto;display:flex;position:static;overflow:hidden}.atlas-shell .view-tabs button{min-height:44px;font:400 14px/1.15 var(--serif);white-space:nowrap;border:0;border-radius:0;gap:7px;padding:10px 12px}.atlas-shell .view-tabs button+button{border-left:1px solid var(--line)}.atlas-shell .view-tabs button[aria-pressed=true]{background:var(--wine);color:#fff}.atlas-shell .specialty-lesion-selector{background:0 0;border:0;border-radius:0;flex:1;grid-template-columns:minmax(108px,1fr) minmax(213px,1.65fr);align-items:end;gap:13px;margin:0;padding:0;display:grid}.atlas-shell .specialty-target-field{border-left:1px solid var(--line);padding-left:16px}.atlas-shell .specialty-severity-field{border-left:1px solid var(--line);padding-left:15px}.atlas-shell .specialty-target-field label,.atlas-shell .specialty-severity-field legend{color:var(--atlas-muted);font:400 13px/1.2 var(--serif);margin-bottom:3px;padding:0}.atlas-shell .specialty-target-field select{background:var(--atlas-control);border-color:var(--line);height:33px;min-height:33px;font:400 13px/1.2 var(--serif);color:var(--atlas-ink);border-radius:3px;padding:4px 21px 4px 9px}.atlas-shell .specialty-severity-buttons{gap:0;display:flex}.atlas-shell .specialty-severity-buttons button{min-height:33px;font:400 12.5px/1.2 var(--serif);white-space:nowrap;background:var(--atlas-control);border-color:var(--line);border-radius:0;flex:1;padding:5px 8px}.atlas-shell .specialty-severity-buttons button:first-child{border-radius:3px 0 0 3px}.atlas-shell .specialty-severity-buttons button:last-child{border-radius:0 3px 3px 0}.atlas-shell .specialty-severity-buttons button[aria-pressed=true]{background:var(--wine);color:#fff;border-color:var(--wine);box-shadow:none}.atlas-shell .specialty-selector-caption{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.atlas-shell .anatomy-panel{background:0 0;border:0;border-radius:0;min-width:0;overflow:visible}.atlas-shell .heart-stage{background:0 0;height:clamp(430px,48.2vh,530px);padding:0}.atlas-shell .heart-stage,.atlas-shell .heart-stage *{touch-action:pan-y!important}.atlas-viewer-controls{justify-content:center;align-items:center;gap:13px;padding:4px 0 10px;display:flex}.atlas-camera-presets,.atlas-camera-actions{gap:3px;display:flex}.atlas-camera-actions{border-left:1px solid var(--line);padding-left:11px}.atlas-viewer-controls button{min-height:32px;padding:6px 13px;font-size:14px}.atlas-camera-presets button[aria-pressed=true]{background:var(--wine);color:#fff;border-color:var(--wine)}.atlas-camera-actions button{padding:6px 9px}.atlas-display-options{position:relative}.atlas-display-options>summary{border:1px solid var(--line);background:var(--atlas-control);border-radius:3px;justify-content:center;align-items:center;width:33px;min-height:32px;list-style:none;display:flex}.atlas-display-options>summary::-webkit-details-marker{display:none}.atlas-options-panel{border:1px solid var(--line);z-index:8;background:#f7f1e5;width:288px;padding:18px;position:absolute;bottom:42px;right:0;box-shadow:0 8px 24px #42342124}.atlas-options-panel>strong{font:400 22px/1.2 var(--serif);margin-bottom:15px;display:block}.atlas-options-panel label{font:13px/1.5 var(--sans);margin:11px 0}.atlas-options-panel button{margin:8px 7px 0 0}.atlas-options-panel p{font:12px/1.55 var(--sans);color:var(--muted);margin:12px 0 0}.atlas-shell .geometry-note{font:12px/1.5 var(--sans);background:#e7ddcb;border-left:2px solid #b69770;margin:8px 0;padding:10px 12px}.atlas-shell .explanation-panel.specialty-explanation{border:0;border-left:1px solid var(--line);background:0 0;border-radius:0;grid-area:auto;height:auto;padding:72px 0 0 29px;overflow:visible}.atlas-shell .specialty-explanation-header{padding:0 0 24px}.atlas-shell .specialty-explanation-header h2{font:400 clamp(35px, 3.2vw, 49px)/1.05 var(--serif);letter-spacing:-.04em}.atlas-shell .specialty-explanation-header .atlas-case-subtitle{font:400 23px/1.2 var(--serif);color:#383a31;margin:2px 0 18px}.atlas-shell .atlas-inspect{color:#fff;background:var(--wine);border-color:var(--wine);min-height:50px;font:400 19px/1.2 var(--serif);align-items:center;gap:14px;padding:13px 18px;display:inline-flex}.atlas-shell .atlas-inspect:hover{background:#73343a}.atlas-inspect>svg:last-child{margin-left:7px}.atlas-summary-section{border-top:1px solid var(--line);grid-template-columns:29px minmax(0,1fr);gap:19px;padding:27px 0 23px;display:grid}.atlas-section-icon{color:var(--wine);margin-top:0}.atlas-shell .atlas-summary-section h3{font:500 10px/1.5 var(--sans);letter-spacing:2.3px;text-transform:uppercase;margin:0 0 11px}.atlas-summary-section p{font:400 14px/1.5 var(--sans);color:#34352e;margin:0 0 12px}.atlas-summary-section p:last-child{margin-bottom:0}.atlas-summary-section .atlas-muted{color:var(--atlas-muted);font-size:13px;line-height:1.5}.atlas-shell .atlas-deeper{border-top:1px solid var(--line);margin:0;padding-top:25px}.atlas-deeper>summary{font:400 21px/1.3 var(--serif);align-items:center;gap:16px;list-style:none;display:flex}.atlas-deeper>summary::-webkit-details-marker{display:none}.atlas-deeper>summary>svg:last-child{margin-left:auto;margin-right:38px}.atlas-deeper[open]>summary>svg:last-child{transform:rotate(90deg)}.atlas-source-caption{font:12px/1.5 var(--sans);color:var(--atlas-muted);margin:7px 0 0 40px}.atlas-deeper-content{padding-top:20px}.atlas-deeper-content .specialty-selected-lead{background:#e8dfce;border:0;border-left:2px solid #b8a48a;border-radius:0;margin-bottom:20px;padding:15px}.atlas-shell .specialty-details{border-color:var(--line)}.atlas-shell .specialty-details summary{font:500 15px/1.5 var(--serif)}.atlas-shell .specialty-details p,.atlas-shell .specialty-details li{font:13px/1.65 var(--sans)}.atlas-shell .specialty-tissue label,.atlas-shell .specialty-tissue select{font-size:13px}.atlas-shell .specialty-tissue select{background:var(--atlas-control);border-color:var(--line)}.atlas-shell .specialty-geometry-note{font:12px/1.5 var(--sans);background:#e9dfca;border-color:#a28660;padding:12px}.atlas-shell .ecg-panel{background:0 0;border:0;border-radius:0;margin-top:1px;padding:11px 0 0}.atlas-shell .ecg-panel-heading{justify-content:space-between;align-items:center;gap:15px;margin:0 0 10px;display:flex}.atlas-shell .ecg-panel-heading>h2{font:400 30px/1.1 var(--serif);letter-spacing:-.035em}.atlas-shell .ecg-actions{align-items:center;gap:18px;display:flex}.atlas-shell .ecg-actions>button{border:0;border-left:1px solid var(--line);font:500 11px/1.2 var(--sans);white-space:nowrap;background:0 0;border-radius:0;gap:8px;padding:4px 0 4px 18px}.atlas-lead-select{font:11px/1.2 var(--sans);white-space:nowrap;align-items:center;gap:8px;display:flex}.atlas-shell .atlas-lead-select select{width:65px;min-height:29px;font:12px/1.2 var(--sans);background:#f5f0e5;border:0;border-radius:3px;padding:4px 7px}.atlas-shell .ecg-atlas .ecg-grid{background:#fff2ed;border:1px solid #ebc7bd;border-radius:3px;grid-template-columns:repeat(6,minmax(0,1fr));gap:0;overflow:hidden}.atlas-shell .ecg-atlas .ecg-lead{min-height:0;box-shadow:none;background:#fff2ed;border:0;border-radius:0;padding:9px 0}.atlas-shell .ecg-atlas .ecg-lead:hover{background:#f7ded4}.atlas-shell .ecg-atlas .ecg-selected{background:#f8e2da;box-shadow:inset 0 0 0 1px #bb7776}.atlas-shell .ecg-atlas .ecg-lead-name{font-family:var(--serif);fill:#45332c;font-size:6.5px;font-weight:400}.atlas-shell .ecg-atlas .ecg-selected .ecg-lead-name{fill:var(--wine);font-weight:600}.atlas-shell .ecg-atlas .ecg-finding{display:none}.atlas-shell .ecg-trace{stroke:#373c37}.atlas-shell .ecg-selected .ecg-trace{stroke:var(--wine)}.atlas-shell .ecg-lead.ecg-selected{border-color:var(--wine)}.atlas-ecg-caption{font:12px/1.4 var(--sans);color:var(--atlas-muted);margin:7px 0 0}.atlas-ecg-notes{margin:5px 0 0}.atlas-ecg-notes>summary{color:var(--atlas-muted);font:12px/1.4 var(--serif);align-items:center;gap:7px;list-style:none;display:inline-flex}.atlas-ecg-notes>summary::-webkit-details-marker{display:none}.atlas-ecg-notes[open]>summary>svg{transform:rotate(180deg)}.atlas-ecg-notes>div{padding-top:10px}.atlas-compare{font:13px/1.5 var(--sans);margin:10px 0}.atlas-shell .selected-lead-strip{border-color:var(--line);margin-top:12px;padding-top:12px}.atlas-shell .selected-lead-strip>span{color:var(--wine);background:#e6d4c9}.atlas-shell .ecg-case-limit{background:#e7decd;border:0;font-size:12px}.atlas-shell .qualitative-evidence{background:#e8dfce;border-radius:0;margin-top:10px;padding:19px}.atlas-shell .qualitative-evidence strong{font:400 22px/1.2 var(--serif)}.atlas-shell .qualitative-evidence p,.atlas-shell .qualitative-evidence li{font-size:13px}.atlas-shell .qualitative-evidence button{font-family:var(--serif)}.atlas-shell .family-toggle{border-color:#b7a58b}.atlas-shell .reference-separation{border-color:var(--wine);font-size:12px}.atlas-shell .atlas-footer{border-top:1px solid var(--line);background:0 0;flex-wrap:wrap;grid-column:1/-1;justify-content:flex-start;align-items:baseline;gap:4px;min-height:0;margin:14px 28px 0;padding:16px 6px 8px;display:flex;position:static}.atlas-footer p{font:400 13px/1.4 var(--serif);color:var(--atlas-muted);margin:0}.atlas-shell .atlas-footer button{min-height:0;color:var(--atlas-muted);font:400 13px/1.4 var(--serif);text-underline-offset:3px;background:0 0;border:0;border-radius:0;padding:0;text-decoration:underline}.atlas-shell .mobile-tabs{display:none}.atlas-shell .guided-workspace{background:#e6dcc8;border:1px solid #ccbea7;border-radius:3px;margin:0 0 20px;padding:18px 20px}.atlas-shell .guided-heading{flex-wrap:wrap;gap:10px}.atlas-shell .guided-heading strong{font:400 24px/1.1 var(--serif)}.atlas-shell .guided-workspace>p{font:13px/1.6 var(--sans);margin:12px 0}.atlas-shell .guided-actions button{font-size:14px}.atlas-shell .lesson-dots button[aria-current]{color:#fff;background:var(--wine);border-color:var(--wine)}.atlas-shell .learning-page{max-width:1200px;margin:0 auto;padding:13px 12px 28px}.atlas-shell .page-heading h1{font:400 48px/1.1 var(--serif)}.atlas-shell .page-heading p{font:15px/1.6 var(--sans);color:var(--muted)}.atlas-shell .quiz-question{border-color:var(--line);background:#f4eddf;border-radius:3px}.atlas-shell .quiz-question h2{font:400 24px/1.25 var(--serif)}.atlas-shell .quiz-options button{font:13px/1.6 var(--sans);background:0 0;border-color:#cfc5b1}.atlas-shell .quiz-options button:hover{background:#e9deca}.atlas-shell .quiz-options button[aria-pressed=true]{border-color:var(--wine);background:#e8d6c9}.atlas-shell .quiz-explanation{border-color:var(--wine);background:#e7deca}.atlas-shell .specialty-quiz-levels button{font:400 17px/1.2 var(--serif);border-color:var(--line);background:0 0}.atlas-shell .specialty-quiz-levels button[aria-pressed=true]{background:var(--wine);color:#fff}.atlas-shell .review-note,.atlas-shell .legal-intro{background:#e5dbc8;border-color:#a18260}.atlas-shell .source-layout,.atlas-shell .source-item,.atlas-shell .legal-sections article,.atlas-shell .source-layout aside{border-color:var(--line)}.atlas-shell .source-item h3{font:400 23px/1.3 var(--serif)}.atlas-shell .source-item p{color:var(--muted);font-size:13px}.atlas-shell .source-layout h2{font-size:30px}.atlas-shell .legal-sections h2{font-size:28px}.atlas-shell .legal-sections p{color:#58574d}.atlas-shell .torso-view{background:0 0;min-height:480px;padding:20px 16px}.atlas-shell .torso-details h3{font-size:26px}.atlas-shell .torso-details p{color:var(--muted)}.atlas-shell .torso-layer-controls{border:0;padding:12px 0;font-size:12px}.atlas-shell .torso-details label{background:var(--atlas-control)}.atlas-shell .pci-view{color:var(--atlas-ink);background:0 0}.atlas-shell .pci-heading{padding:20px 0 18px}.atlas-shell .pci-heading h2{font:400 31px/1.15 var(--serif)}.atlas-shell .pci-location{color:var(--muted);font-size:12px}.atlas-shell .pci-stage{border:1px solid var(--line);background:#eae1d0;height:410px}.atlas-shell .pci-view-tools,.atlas-shell .pci-material-legend{border-color:var(--line);padding:13px 0}.atlas-shell .pci-view button{font-family:var(--serif);border-color:var(--line)}.atlas-shell .pci-stage-list{border-color:var(--line)}.atlas-shell .pci-stage-list button{background:0 0}.atlas-shell .pci-stage-list button[aria-current=step]{background:#e5d9c4}.atlas-shell .pci-body,.atlas-shell .pci-step-copy{padding-left:0;padding-right:0}.atlas-shell .pci-partial-note,.atlas-shell .pci-heart-connection{background:#e6dcc8;border-color:#a88c62}.atlas-shell .ecg-modal{background:var(--atlas-bg);border:1px solid var(--line);border-radius:4px}.atlas-shell .modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#28251f99}.atlas-shell .ecg-modal .ecg-panel-heading h2{font-size:32px}.atlas-shell .ecg-modal .ecg-meta{font-size:13px}.atlas-shell .ecg-modal .ecg-lead{background:#fff3ed}.atlas-shell .ecg-modal .modal-lead-explanation{background:#e5dac7}@media (width>=1900px){.atlas-shell .heart-stage{height:570px}}@media (width>=1121px) and (width<=1360px){.atlas-main{padding-left:24px;padding-right:22px}.atlas-workspace{grid-template-columns:minmax(0,1fr) 285px;gap:22px}.atlas-toolbar{flex-wrap:wrap;gap:11px}.atlas-shell .view-tabs{width:100%}.atlas-shell .view-tabs button{flex:1}.atlas-shell .specialty-lesion-selector{grid-template-columns:1fr 1.3fr;width:100%}.atlas-shell .specialty-target-field{border-left:0;padding-left:0}.atlas-shell .specialty-severity-field{padding-left:12px}.atlas-shell .heart-stage{height:440px}.atlas-shell .specialty-explanation-header h2{font-size:38px}.atlas-case-subtitle{font-size:21px}.atlas-shell .explanation-panel.specialty-explanation{padding-top:60px;padding-left:20px}.atlas-summary-section{gap:13px}.atlas-summary-section p{font-size:13px}.atlas-shell .ecg-atlas .ecg-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.atlas-shell .ecg-panel-heading{align-items:start}.atlas-shell .ecg-panel-heading>h2{font-size:26px}.atlas-shell .ecg-actions{gap:10px}.atlas-lead-select>span{display:none}}@media (width<=1120px){.atlas-shell{display:block}.atlas-sidebar{border-right:0;border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:14px 24px;padding:20px 25px 12px;display:flex}.atlas-brand{gap:6px;padding:0;font-size:29px;display:flex}.atlas-brand-caption{display:none}.atlas-navigation{gap:4px;margin-left:auto;display:flex}.atlas-navigation button{gap:8px;min-height:38px;padding:8px 11px;font-size:15px}.atlas-navigation svg{width:17px;height:17px}.atlas-chapters{border:0;flex-basis:100%;gap:4px;margin:0;padding:0;display:flex}.atlas-overline,.atlas-branch-list,.atlas-chapter-button small,.atlas-chapter-button>svg:last-child:not(:first-child){display:none}.atlas-chapter{margin:0}.atlas-chapter-button{align-items:center;gap:8px!important;padding:8px 14px!important}.atlas-chapter-button strong{font-size:16px}.atlas-chapter-button>svg{width:15px;height:15px;margin:0}.atlas-main{padding:24px 25px 0}.atlas-workspace{grid-template-columns:minmax(0,1fr) 280px;gap:24px}.atlas-shell .workspace-intro h1{font-size:46px}.atlas-shell .workspace-intro p{font-size:18px}.atlas-toolbar{flex-wrap:wrap;gap:12px}.atlas-shell .view-tabs{width:100%}.atlas-shell .view-tabs button{flex:1}.atlas-shell .specialty-lesion-selector{grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);width:100%}.atlas-shell .specialty-target-field{border:0;padding-left:0}.atlas-shell .specialty-severity-field{padding-left:12px}.atlas-shell .heart-stage{height:440px}.atlas-shell .explanation-panel.specialty-explanation{padding-top:50px;padding-left:20px}.atlas-shell .specialty-explanation-header h2{font-size:38px}.atlas-case-subtitle{font-size:20px}.atlas-summary-section{gap:13px}.atlas-shell .ecg-atlas .ecg-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.atlas-shell .ecg-panel-heading{flex-wrap:wrap;gap:9px}.atlas-shell .ecg-panel-heading>h2{font-size:28px}.atlas-shell .ecg-actions{margin-left:auto}.atlas-shell .atlas-footer{margin-left:24px;margin-right:24px}.atlas-shell .torso-view{grid-template-columns:1fr;padding:20px 0}.atlas-shell .pci-stage{height:360px}}@media (width<=760px){.atlas-sidebar{gap:15px;padding:20px 17px 10px}.atlas-brand{font-size:31px}.atlas-navigation{justify-content:space-between;gap:0;width:100%;margin:0}.atlas-navigation button{white-space:normal;flex:1;gap:7px;min-width:0;min-height:42px;padding:8px;font-size:14px}.atlas-navigation button>svg,.atlas-navigation button[aria-current=page]:before{display:none}.atlas-chapters{grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;display:grid}.atlas-chapter-button{height:100%;justify-content:center!important;min-height:40px!important;padding:9px 5px!important}.atlas-chapter-button strong{font-size:15px}.atlas-chapter-button>svg{display:none}.atlas-main{padding:23px 17px 0}.atlas-workspace{display:block}.atlas-shell .workspace-intro{margin-bottom:19px}.atlas-shell .workspace-intro h1{font-size:44px}.atlas-shell .workspace-intro p{margin-top:6px;font-size:18px;line-height:1.3}.atlas-shell .view-tabs button{white-space:normal;gap:5px;min-height:44px;padding:10px 7px;font-size:13px}.atlas-shell .view-tabs button>svg{width:17px}.atlas-shell .specialty-lesion-selector{grid-template-columns:1fr;gap:13px}.atlas-shell .specialty-target-field select{height:42px;min-height:42px;font-size:15px}.atlas-shell .specialty-target-field label,.atlas-shell .specialty-severity-field legend{margin-bottom:5px;font-size:14px}.atlas-shell .specialty-severity-field{border:0;padding-left:0}.atlas-shell .specialty-severity-buttons button{min-height:42px;font-size:14px}.atlas-shell .mobile-tabs{border:0;border-bottom:1px solid var(--line);background:0 0;gap:0;margin:17px 0 0;padding:0;display:flex;position:static}.atlas-shell .mobile-tabs button{background:0 0;border:0;border-bottom:2px solid #0000;border-radius:0;flex:1;min-height:44px;padding:8px 5px;font-size:15px}.atlas-shell .mobile-tabs button[aria-pressed=true]{border-bottom-color:var(--wine);color:var(--wine)}.atlas-shell .heart-stage{height:410px}.atlas-viewer-controls{flex-wrap:wrap;gap:7px;padding-bottom:12px;position:relative}.atlas-viewer-controls button{min-height:40px;padding:7px 11px}.atlas-camera-actions{border:0;padding-left:0}.atlas-display-options>summary{width:38px;min-height:40px}.atlas-options-panel{width:min(288px,100vw - 40px);bottom:54px;right:0}.atlas-display-options{position:static}.atlas-shell .explanation-panel.specialty-explanation{border:0;padding:28px 0 0}.atlas-shell .specialty-explanation-header h2{font-size:43px}.atlas-shell .atlas-inspect{min-height:48px}.atlas-summary-section p{font-size:14px}.atlas-case-subtitle{font-size:23px}.atlas-shell .atlas-workspace.mobile-anatomy .ecg-panel,.atlas-shell .atlas-workspace.mobile-anatomy .explanation-panel,.atlas-shell .atlas-workspace.mobile-ecg .anatomy-panel,.atlas-shell .atlas-workspace.mobile-ecg .explanation-panel,.atlas-shell .atlas-workspace.mobile-treatment .ecg-panel,.atlas-shell .atlas-workspace.mobile-treatment .explanation-panel,.atlas-shell .atlas-workspace.mobile-learn .anatomy-panel,.atlas-shell .atlas-workspace.mobile-learn .ecg-panel{display:none}.atlas-shell .atlas-workspace.mobile-ecg .ecg-panel,.atlas-shell .atlas-workspace.mobile-learn .explanation-panel{display:block}.atlas-shell .ecg-panel{padding-top:25px}.atlas-shell .ecg-panel-heading{display:block}.atlas-shell .ecg-panel-heading>h2{margin-bottom:12px;font-size:32px}.atlas-shell .ecg-actions{justify-content:space-between;gap:10px;margin-bottom:15px}.atlas-lead-select{font-size:12px}.atlas-shell .atlas-lead-select select{min-height:38px;font-size:14px}.atlas-shell .ecg-actions>button{min-height:40px;padding-left:10px;font-size:12px}.atlas-shell .ecg-atlas .ecg-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.atlas-shell .ecg-atlas .ecg-lead{padding-top:9px;padding-bottom:9px}.atlas-ecg-caption{font-size:11px;line-height:1.6}.atlas-ecg-notes>summary{padding:10px 0;font-size:14px}.atlas-shell .selected-lead-strip{grid-template-columns:34px minmax(0,1fr);display:grid}.atlas-shell .selected-lead-strip>button{grid-column:2;margin-left:0}.atlas-shell .learning-page{padding:5px 0 20px}.atlas-shell .page-heading{display:block}.atlas-shell .page-heading h1{font-size:40px}.atlas-shell .page-heading>button{min-height:42px;margin-top:13px}.atlas-shell .quiz-question{padding:21px 15px}.atlas-shell .quiz-question h2{font-size:24px}.atlas-shell .quiz-options button{min-height:44px;padding:12px;font-size:13px}.atlas-shell .specialty-quiz-levels{grid-template-columns:1fr 1fr;display:grid}.atlas-shell .specialty-quiz-levels button{min-height:48px;font-size:16px}.atlas-shell .source-layout{grid-template-columns:1fr;gap:30px}.atlas-shell .source-layout aside{border:0;padding:0}.atlas-shell .source-item h3{font-size:23px}.atlas-shell .pci-stage{height:350px}.atlas-shell .pci-heading{gap:12px;padding:22px 0 14px}.atlas-shell .pci-heading h2{font-size:29px}.atlas-shell .pci-stage-list{grid-template-columns:repeat(4,minmax(0,1fr))}.atlas-shell .pci-stage-list button{font-size:12px}.atlas-shell .pci-partial-note{margin-left:0;margin-right:0}.atlas-shell .ecg-modal{max-height:calc(100dvh - 24px);padding:18px 14px}.atlas-shell .ecg-modal .ecg-panel-heading h2{font-size:27px}.atlas-shell .atlas-footer{gap:5px;margin:25px 17px 0;padding:18px 0 24px}.atlas-footer p,.atlas-shell .atlas-footer button{font-size:13px;line-height:1.5}}@media (width<=370px){.atlas-sidebar{padding-left:12px;padding-right:12px}.atlas-navigation button{gap:4px;padding:8px 5px;font-size:13px}.atlas-navigation svg{width:15px!important}.atlas-main{padding-left:13px;padding-right:13px}.atlas-shell .workspace-intro h1{font-size:40px}.atlas-shell .view-tabs button{font-size:12px}.atlas-shell .heart-stage{height:370px}.atlas-shell .pci-model-note{max-width:80px}}@media (prefers-reduced-motion:no-preference){.atlas-navigation button,.atlas-chapter-button,.atlas-branch-list button{transition:color .18s,background-color .18s}}