/* pocket ATA v4.7 – EKG Trainer (ohne externe Ressourcen) */
.ek47{max-width:1200px;margin:0 auto;color:#0f172a;min-width:0;--ek47-green:#0f766e;--ek47-muted:#64748b}
.ek47 [hidden]{display:none!important}
.ek47-warning{display:flex;gap:11px;align-items:flex-start;border:1px solid #bfdbfe;background:#eff6ff;color:#1e40af;border-radius:14px;padding:14px 17px;margin:0 0 17px;font-size:.85rem;line-height:1.65}
.ek47-warning>i{margin-top:4px;font-size:17px;flex-shrink:0}
.ek47-tabs{display:flex;align-items:stretch;gap:9px;flex-wrap:wrap;padding:5px 0 16px;border-bottom:1px solid #dbe4ef;margin-bottom:20px}
.ek47-tabs button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;border:1px solid #cbd5e1;background:#fff;color:#475569;border-radius:12px;padding:11px 17px;font-size:.89rem;font-weight:800;cursor:pointer;touch-action:manipulation}
.ek47-tabs button.is-active{background:#0f766e;border-color:#0f766e;color:#fff;box-shadow:0 4px 12px rgba(15,118,110,.15)}
.ek47 button:focus-visible,.ek47 input:focus-visible,.ek47 select:focus-visible{outline:3px solid #5eead4;outline-offset:2px}
.ek47 button:active:not(:disabled){filter:brightness(.94);transform:scale(.988)}
.ek47-intro h2{font-weight:850;font-size:1.3rem;line-height:1.3;margin-bottom:5px}
.ek47-intro p{color:#475569;font-size:.88rem;line-height:1.6;margin-bottom:17px}
.ek47-controls{display:flex;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.ek47-control{display:flex;flex-direction:column;gap:6px;min-width:200px;flex:1}
.ek47-control label{font-size:.78rem;color:#334155;font-weight:800}
.ek47-control input,.ek47-control select{min-height:48px;border:1px solid #cbd5e1;background:#fff;color:#0f172a;border-radius:11px;padding:10px 12px;font-size:16px}
.ek47-rhythm-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.ek47-rhythm-list button{background:#fff;border:1px solid #cbd5e1;color:#334155;min-height:43px;padding:9px 12px;border-radius:11px;font-size:.79rem;font-weight:750;text-align:left;cursor:pointer}
.ek47-rhythm-list button.is-active{color:#fff;background:#0f766e;border-color:#0f766e}
.ek47-empty{padding:20px;background:#fff;border:1px dashed #94a3b8;border-radius:12px;color:#64748b;width:100%}
.ek47-learn-details{background:#fff;border:1px solid #dbe4ef;border-radius:17px;padding:19px;box-shadow:0 2px 14px rgba(15,23,42,.03)}
.ek47-strip-head{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:13px}
.ek47-kicker{font-size:.68rem;letter-spacing:.07em;font-weight:850;text-transform:uppercase;color:#0f766e}
.ek47-strip-head h3{font-size:1.2rem;font-weight:850;line-height:1.25;margin-top:4px}
.ek47-rate{background:#ccfbf1;border-radius:10px;padding:9px 11px;color:#115e59;font-size:.84rem;font-weight:850;white-space:nowrap}
.ek47-strip{border:1px solid #b1d7c0;border-radius:13px;overflow:hidden;background:#fff9fb;box-shadow:inset 0 0 0 1px #fff;min-width:0}
.ek47-canvas-scroller{overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;-webkit-overflow-scrolling:touch;max-width:100%}
.ek47-canvas{display:block;height:252px;max-width:none;background:#fffbfd;image-rendering:auto}
.ek47-strip-tools{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:10px 12px;background:#f0fdfa;border-top:1px solid #ccfbf1}
.ek47-strip-caption{display:inline-flex;gap:9px;align-items:center;color:#475569;font-size:.73rem;font-weight:650}
.ek47-strip-controls{display:flex;flex-wrap:wrap;gap:7px;align-items:center}
.ek47-strip-controls label{font-size:.73rem;font-weight:750;color:#475569;display:flex;align-items:center;gap:6px}
.ek47-strip-controls select{border:1px solid #94a3b8;border-radius:8px;background:white;min-height:38px;padding:5px 7px;font-size:14px;color:#334155}
.ek47-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:16px 0}
.ek47-metric{background:#f8fafc;border:1px solid #e2e8f0;border-radius:11px;padding:11px;min-width:0}
.ek47-metric small{display:block;color:#64748b;font-size:.74rem;margin-bottom:5px}
.ek47-metric strong{display:block;color:#0f172a;font-size:.87rem;line-height:1.35;overflow-wrap:anywhere}
.ek47-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.ek47-detail-grid article{background:#fff;border:1px solid #e2e8f0;padding:15px;border-radius:12px}
.ek47-detail-grid article.ek47-insight{background:#fffbeb;border-color:#fde68a}
.ek47-detail-grid h4{font-size:.88rem;font-weight:850;display:flex;align-items:center;gap:7px;margin:3px 0 7px}
.ek47-detail-grid p{font-size:.83rem;color:#475569;line-height:1.58;margin-bottom:14px}
.ek47-detail-grid p:last-child{margin-bottom:0}
.ek47-quiz-meta{display:flex;justify-content:space-between;gap:9px;align-items:center;font-size:.85rem;font-weight:800;color:#115e59}
.ek47-progress{height:9px;border-radius:99px;background:#e2e8f0;overflow:hidden;margin:10px 0 21px}
.ek47-progress span{display:block;height:100%;width:0;background:#0d9488;transition:width .2s}
.ek47-question{margin-bottom:13px}
.ek47-question h3{font-size:1.08rem;font-weight:850}
.ek47-question p{font-size:.82rem;color:#64748b;margin-top:4px}
.ek47-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:16px 0}
.ek47-choices button,.ek47-case-answers button{display:flex;align-items:center;gap:11px;text-align:left;min-height:56px;padding:12px 13px;border:1px solid #cbd5e1;background:#fff;color:#0f172a;border-radius:12px;font-size:.87rem;font-weight:750;cursor:pointer}
.ek47-choices button:not(:disabled):hover,.ek47-case-answers button:not(:disabled):hover{border-color:#0d9488;background:#f0fdfa}
.ek47-choices button:disabled,.ek47-case-answers button:disabled{cursor:default;opacity:1}
.ek47-choices button.is-correct,.ek47-case-answers button.is-correct{background:#f0fdfa;border-color:#0d9488;color:#115e59}
.ek47-choices button.is-wrong,.ek47-case-answers button.is-wrong{background:#fff1f2;border-color:#fda4af;color:#9f1239}
.ek47-choice-letter{display:grid;place-items:center;min-width:29px;height:29px;border-radius:9px;background:#e2e8f0;color:#334155;font-size:.78rem}
.ek47-feedback{border:1px solid #99f6e4;background:#f0fdfa;border-radius:12px;padding:14px;color:#115e59;font-size:.88rem;line-height:1.55}
.ek47-feedback.is-wrong{background:#fff7ed;border-color:#fdba74;color:#9a3412}
.ek47-feedback strong{display:block;font-size:1rem;margin-bottom:5px}
.ek47-quiz-actions,.ek47-case-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:16px 0}
.ek47-primary,.ek47-secondary{min-height:46px;border-radius:11px;padding:11px 15px;font-size:.88rem;font-weight:800;border:1px solid #0f766e;display:inline-flex;align-items:center;justify-content:center;gap:9px;cursor:pointer}
.ek47-primary{color:white;background:#0f766e}
.ek47-primary:disabled{opacity:.4;cursor:not-allowed}
.ek47-secondary{background:white;color:#0f766e}
.ek47-case-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 15px}
.ek47-case-tabs button{border:1px solid #cbd5e1;background:#fff;border-radius:10px;padding:10px 13px;min-height:44px;font-size:.83rem;font-weight:800;color:#334155}
.ek47-case-tabs button.is-active{background:#0f766e;color:#fff;border-color:#0f766e}
.ek47-case-card{border:1px solid #dbe4ef;border-radius:14px;background:#fff;padding:19px}
.ek47-case-card h3{font-size:1.15rem;font-weight:850;margin-bottom:9px}
.ek47-case-scenario{font-size:.89rem;color:#334155;line-height:1.65;border-left:4px solid #0d9488;padding:11px 14px;background:#f8fafc;border-radius:0 9px 9px 0;margin-bottom:14px}
.ek47-case-card h4{font-weight:800;font-size:.9rem;margin-bottom:11px}
.ek47-case-answers{display:grid;gap:9px}
.ek47-case-feedback{margin-top:13px}
.ek47-case-actions span{font-size:.83rem;color:#64748b}
.ek47-sources{margin:24px 0 35px;padding:21px;background:white;border:1px solid #e2e8f0;border-radius:14px}
.ek47-sources h2{font-size:1.06rem;font-weight:850;display:flex;gap:9px;align-items:center;margin-bottom:10px}
.ek47-sources p{color:#475569;font-size:.83rem;line-height:1.65;margin-bottom:10px}
.ek47-source-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}
.ek47-source-links a{font-size:.76rem;font-weight:750;color:#0f766e;text-decoration:none;border-radius:8px;border:1px solid #99f6e4;background:#f0fdfa;padding:9px 10px}
.ek47-source-links a:hover{text-decoration:underline}
@media(max-width:767px){.ek47-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.ek47-tabs button{padding:10px 7px;gap:5px;flex-direction:column;font-size:.72rem;min-height:59px}.ek47-tabs button i{font-size:16px}.ek47-strip-head{align-items:flex-start}.ek47-learn-details{padding:12px}.ek47-metrics{grid-template-columns:1fr}.ek47-detail-grid{grid-template-columns:1fr}.ek47-choices{grid-template-columns:1fr}.ek47-canvas{height:230px}.ek47-strip-tools{align-items:stretch}.ek47-strip-caption{width:100%}.ek47-controls{flex-direction:column}.ek47-control{min-width:0}.ek47-intro h2{font-size:1.13rem}}
@media(prefers-reduced-motion:reduce){.ek47-progress span{transition:none}}

/* v4.7.1 – diagrammatic, two-level expand/collapse ECG interpretation mind map */
.ekm47-view{--ekm47-line:#a7d8d1;--ekm47-deep:#115e59;--ekm47-glow:#f0fdfa;color:#0f172a}
.ekm47-method{display:flex;gap:11px;align-items:flex-start;background:#eff6ff;border:1px solid #bfdbfe;padding:13px 15px;border-radius:12px;color:#1e40af;font-size:.85rem;line-height:1.65;margin-bottom:16px}
.ekm47-method>i{font-size:17px;flex-shrink:0;margin-top:3px}
.ekm47-mode{display:flex;gap:7px;flex-wrap:wrap;background:#e2e8f0;border-radius:14px;padding:5px;width:max-content;max-width:100%;margin:0 0 18px}
.ekm47-mode button{min-height:46px;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:10px;background:transparent;border:1px solid transparent;color:#334155;font-size:.83rem;font-weight:800;cursor:pointer}
.ekm47-mode button.is-active{background:#fff;color:#0f766e;border-color:#cbd5e1;box-shadow:0 2px 6px rgba(15,23,42,.07)}
.ekm47-toolrow{display:flex;justify-content:space-between;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:18px;color:#475569;font-size:.81rem;font-weight:700}
.ekm47-toolrow>div{display:flex;gap:8px;flex-wrap:wrap}
.ekm47-toolrow button{display:inline-flex;align-items:center;gap:7px;min-height:44px;background:white;border:1px solid #cbd5e1;border-radius:10px;padding:9px 13px;color:#334155;font-size:.78rem;font-weight:800;cursor:pointer}
.ekm47-toolrow button:hover{border-color:#14b8a6;background:#f0fdfa}
.ekm47-tree{position:relative;max-width:100%;padding-left:25px;margin-left:0}
.ekm47-tree::before{content:"";position:absolute;left:14px;top:46px;bottom:22px;border-left:3px solid var(--ekm47-line);border-radius:9px}
.ekm47-center{position:relative;display:flex;flex-direction:column;align-items:center;gap:5px;text-align:center;margin:0 0 20px;background:linear-gradient(120deg,#0f172a,#115e59);border-radius:17px;color:#fff;padding:19px 16px;box-shadow:0 3px 13px rgba(15,23,42,.08)}
.ekm47-center>i{font-size:25px;color:#99f6e4}
.ekm47-center strong{font-size:1.02rem;font-weight:850}
.ekm47-center span{font-size:.76rem;color:#ccfbf1}
.ekm47-phase{position:relative;display:flex;align-items:center;gap:10px;margin:22px 0 11px;padding:9px 11px;background:#e2e8f0;border-radius:11px;color:#334155;font-size:.79rem;font-weight:850;text-transform:uppercase;letter-spacing:.045em}
.ekm47-phase::before,.ekm47-node-wrap::before{content:"";position:absolute;left:-14px;top:50%;width:14px;border-top:3px solid var(--ekm47-line)}
.ekm47-phase i{font-size:15px;color:#0f766e}
.ekm47-node-wrap{position:relative;margin:0 0 12px}
.ekm47-main{background:#fff;border:1px solid #dbe4ef;border-radius:15px;overflow:hidden;box-shadow:0 3px 10px rgba(15,23,42,.035)}
.ekm47-main[open]{border-color:#5ecbbb;box-shadow:0 4px 16px rgba(15,118,110,.08)}
.ekm47-main>summary{display:flex;align-items:center;gap:12px;min-height:74px;padding:13px 15px;list-style:none;cursor:pointer;touch-action:manipulation;user-select:none}
.ekm47-main>summary::-webkit-details-marker,.ekm47-subnode>summary::-webkit-details-marker,.ekm47-note>summary::-webkit-details-marker,.ekm47-trap>summary::-webkit-details-marker,.ekm47-example>summary::-webkit-details-marker{display:none}
.ekm47-main>summary:hover,.ekm47-main>summary:active{background:#f0fdfa}
.ekm47-main[open]>summary{background:#f0fdfa;border-bottom:1px solid #ccfbf1}
.ekm47-num{min-width:33px;height:33px;display:grid;place-items:center;font-variant-numeric:tabular-nums;color:#0f766e;font-weight:850;font-size:.85rem;background:#ccfbf1;border-radius:10px}
.ekm47-symbol{width:35px;height:35px;flex:0 0 35px;display:grid;place-items:center;color:#0f766e;background:#edfdf8;border-radius:10px;font-size:17px}
.ekm47-heading{display:flex;flex:1;min-width:0;flex-direction:column;gap:4px}
.ekm47-heading strong{font-size:.98rem;font-weight:850;line-height:1.28}
.ekm47-heading small{font-size:.78rem;color:#64748b;line-height:1.43}
.ekm47-summary>.fa-chevron-down,.ekm47-example>summary>.fa-chevron-down{font-size:.82rem;color:#64748b;transition:transform .15s}
.ekm47-main[open] .ekm47-summary>.fa-chevron-down,.ekm47-example[open]>summary>.fa-chevron-down{transform:rotate(180deg)}
.ekm47-contents{padding:14px 17px 16px;background:white}
.ekm47-quick{border-left:4px solid #0d9488;background:#f0fdfa;padding:11px 13px;margin-bottom:13px;color:#115e59;font-size:.85rem;font-weight:750;line-height:1.5}
.ekm47-children{display:grid;gap:9px;margin-left:7px;border-left:2px dashed #99d5cc;padding-left:14px}
.ekm47-subnode,.ekm47-note,.ekm47-trap{border:1px solid #dbe4ef;background:#fff;border-radius:11px;overflow:hidden}
.ekm47-subnode>summary,.ekm47-note>summary,.ekm47-trap>summary{display:flex;align-items:center;gap:10px;min-height:47px;padding:11px 13px;list-style:none;cursor:pointer;touch-action:manipulation;color:#334155;font-size:.83rem}
.ekm47-subnode>summary>strong,.ekm47-note>summary>strong,.ekm47-trap>summary>strong{flex:1;font-weight:800}
.ekm47-subnode>summary>.fa-chevron-right,.ekm47-note>summary>.fa-chevron-right,.ekm47-trap>summary>.fa-chevron-right{color:#64748b;font-size:.75rem;transition:transform .15s}
.ekm47-subnode[open] .fa-chevron-right,.ekm47-note[open] .fa-chevron-right,.ekm47-trap[open] .fa-chevron-right{transform:rotate(90deg)}
.ekm47-subnode>summary:hover,.ekm47-note>summary:hover{background:#f0fdfa}
.ekm47-subnode ul{list-style:disc;padding:0 17px 14px 36px;color:#334155;font-size:.84rem;line-height:1.65}
.ekm47-subnode li+li{margin-top:6px}
.ekm47-note,.ekm47-trap{margin-top:10px}
.ekm47-note{background:#f0fdfa;border-color:#99f6e4}
.ekm47-trap{background:#fffbeb;border-color:#fde68a}
.ekm47-note>summary{color:#115e59}.ekm47-trap>summary{color:#92400e}
.ekm47-note p,.ekm47-trap p{font-size:.84rem;line-height:1.65;margin:0;padding:0 13px 13px;color:inherit}
.ekm47-jumps{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:13px}
.ekm47-jumps>span{font-size:.77rem;color:#475569;font-weight:800}
.ekm47-jump{min-height:43px;display:inline-flex;align-items:center;gap:7px;background:#0f766e;border:1px solid #0f766e;color:white;padding:9px 11px;border-radius:9px;font-size:.79rem;font-weight:800;cursor:pointer}
.ekm47-jump:hover{background:#115e59}
.ekm47-shortnotice{font-size:.86rem;line-height:1.6;color:#1e40af;background:#eff6ff;border:1px solid #bfdbfe;border-radius:11px;padding:14px;margin:0 0 15px}
.ekm47-shortgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;margin:0 0 18px}
.ekm47-shortcard{display:flex;align-items:center;gap:12px;text-align:left;padding:15px;border:1px solid #dbe4ef;background:#fff;border-radius:12px;min-height:75px;cursor:pointer;touch-action:manipulation}
.ekm47-shortcard:hover{background:#f0fdfa;border-color:#5eead4}
.ekm47-shortnum{background:#ccfbf1;color:#0f766e;width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;border-radius:10px;font-size:.8rem;font-weight:850}
.ekm47-shortcopy{display:flex;flex:1;flex-direction:column;gap:4px;min-width:0}
.ekm47-shortcopy strong{font-size:.91rem;font-weight:850}
.ekm47-shortcopy small{font-size:.76rem;color:#64748b;line-height:1.35}
.ekm47-shortcard>i{font-size:.73rem;color:#94a3b8}
.ekm47-examples,.ekm47-references{margin-top:23px;padding:18px;background:#fff;border:1px solid #dbe4ef;border-radius:15px}
.ekm47-examples h3,.ekm47-references h3{font-size:1.08rem;font-weight:850;display:flex;gap:9px;align-items:center;margin-bottom:6px}
.ekm47-examples>p,.ekm47-references>p{font-size:.84rem;line-height:1.6;color:#475569;margin-bottom:14px}
.ekm47-example{border:1px solid #dbe4ef;border-radius:11px;margin-top:9px;overflow:hidden}
.ekm47-example>summary{display:flex;gap:10px;align-items:center;list-style:none;padding:13px;min-height:58px;cursor:pointer}
.ekm47-example>summary>i:first-child{color:#0f766e}
.ekm47-example-head{display:flex;flex:1;flex-direction:column;gap:2px}
.ekm47-example-head strong{font-size:.86rem;font-weight:800}
.ekm47-example-head small{font-size:.73rem;color:#64748b}
.ekm47-example[open]>summary{border-bottom:1px solid #dbe4ef;background:#f0fdfa}
.ekm47-example-content{padding:13px;display:grid;gap:10px}
.ekm47-example-befund{font-size:.87rem;color:#0f172a;line-height:1.7}
.ekm47-example-note{font-size:.82rem;color:#92400e;line-height:1.6;padding:10px 12px;border-radius:9px;background:#fffbeb}
.ekm47-example-content button{justify-self:start}
#ekm47SourceLinks{display:flex;flex-wrap:wrap;gap:8px}
#ekm47SourceLinks a{display:inline-flex;gap:7px;align-items:center;font-size:.76rem;font-weight:750;color:#0f766e;background:#f0fdfa;border:1px solid #99f6e4;border-radius:9px;padding:9px 11px;text-decoration:none}
#ekm47SourceLinks a:hover{text-decoration:underline}
.ekm47-loading{padding:20px;background:#fff;border:1px solid #e2e8f0;border-radius:11px;color:#64748b}
@media(max-width:767px){
 .ek47-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}
 .ekm47-mode{width:100%}
 .ekm47-mode button{flex:1 1 0;min-width:0;padding:9px 6px;font-size:.76rem}
 .ekm47-toolrow{align-items:flex-start}
 .ekm47-toolrow>div{display:grid;grid-template-columns:1fr 1fr;width:100%}
 .ekm47-toolrow button{justify-content:center;padding:9px 7px;font-size:.76rem}
 .ekm47-tree{padding-left:18px}
 .ekm47-tree::before{left:8px}
 .ekm47-phase::before,.ekm47-node-wrap::before{left:-10px;width:10px}
 .ekm47-main>summary{gap:8px;min-height:72px;padding:11px}
 .ekm47-num{width:29px;min-width:29px;height:29px;font-size:.78rem}
 .ekm47-symbol{width:30px;height:30px;flex:0 0 30px;font-size:14px}
 .ekm47-heading strong{font-size:.88rem}
 .ekm47-heading small{font-size:.72rem}
 .ekm47-contents{padding:12px 10px}
 .ekm47-children{margin-left:3px;padding-left:9px}
 .ekm47-shortgrid{grid-template-columns:1fr}
 .ekm47-examples,.ekm47-references{padding:14px}
}
@media(prefers-reduced-motion:reduce){.ekm47-summary>.fa-chevron-down,.ekm47-subnode .fa-chevron-right,.ekm47-example>summary>.fa-chevron-down{transition:none}}