/* pocket ATA v4.4 – Blut & Transfusion, didaktische Darstellung */
.bt44{color:#0f172a;--bt44-teal:#0f766e;--bt44-line:#dbe4ef;max-width:100%;padding-bottom:1rem}
.bt44 [hidden]{display:none!important}
.bt44 button,.bt44 select,.bt44 input{touch-action:manipulation}
.bt44 button:focus-visible,.bt44 input:focus-visible,.bt44 select:focus-visible,.bt44 summary:focus-visible{outline:3px solid #2dd4bf;outline-offset:2px}
.bt44-hero{background:linear-gradient(118deg,#0f172a,#134e4a 82%);color:white;padding:26px 28px;border-radius:20px;display:flex;justify-content:space-between;align-items:center;gap:24px}
.bt44-hero h1{font-weight:850;font-size:clamp(26px,3vw,36px);letter-spacing:-.03em;line-height:1.2;margin:5px 0 11px}
.bt44-hero h1 span{color:#5eead4}.bt44-eyebrow{font-size:12px;font-weight:800;color:#a7f3d0;text-transform:uppercase;letter-spacing:.05em}.bt44-eyebrow i{margin-right:7px}
.bt44-hero p{max-width:790px;font-size:14px;line-height:1.65;color:#d1fae5}.bt44-hero-icon{font-size:61px;color:#5eead4;opacity:.8;flex-shrink:0}
.bt44-hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.bt44-hero-actions button{background:#5eead4;color:#064e3b;border:1px solid #5eead4;border-radius:11px;min-height:46px;padding:10px 14px;font-weight:850;font-size:.87rem}.bt44-hero-actions button.quiet{background:rgba(255,255,255,.11);color:white;border-color:rgba(255,255,255,.3)}
.bt44-warning{display:flex;gap:12px;align-items:flex-start;background:#fff7ed;color:#7c2d12;border:1px solid #fdba74;padding:14px 16px;margin:15px 0;border-radius:13px;line-height:1.55;font-size:.85rem}.bt44-warning>i{color:#9a3412;font-size:19px;margin-top:2px;flex-shrink:0}.bt44-warning a{text-decoration:underline;font-weight:750}.bt44-warning.compact{margin:0 0 15px;background:#eff6ff;color:#1e40af;border-color:#bfdbfe}.bt44-warning.compact>i{color:#1d4ed8}
.bt44-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;margin:18px 0}.bt44-stats>div{background:white;border:1px solid #dbe4ef;padding:14px 12px;min-width:0;border-radius:13px;display:flex;flex-direction:column;align-items:flex-start;gap:4px}.bt44-stats i{color:#0d9488;font-size:18px;margin-bottom:3px}.bt44-stats strong{font-size:.98rem;line-height:1.25}.bt44-stats span{color:#64748b;font-size:.78rem;line-height:1.4}
.bt44-controls{display:flex;gap:12px;align-items:center;justify-content:space-between;margin:16px 0 7px}.bt44-search{position:relative;flex:1;max-width:680px;min-width:0}.bt44-search i{position:absolute;top:50%;left:14px;transform:translateY(-50%);color:#64748b}.bt44-search input{width:100%;background:white;border:1px solid #cbd5e1;padding:10px 14px 10px 39px;border-radius:12px;font-size:16px;min-height:48px}.bt44-actions{display:flex;gap:7px}.bt44-actions button,.bt44-secondary,.bt44-linkbutton{min-height:46px;padding:10px 14px;color:#334155;background:white;border:1px solid #cbd5e1;border-radius:11px;font-size:.86rem;font-weight:800;cursor:pointer}.bt44-actions button:hover,.bt44-secondary:hover,.bt44-linkbutton:hover{background:#f0fdfa;border-color:#0f766e}.bt44-hits{font-size:.79rem;color:#64748b;margin:0 3px 13px}.bt44-nomatch{padding:20px;border:1px dashed #cbd5e1;border-radius:12px;color:#475569}
.bt44-accordion{display:grid;gap:11px}.bt44-chapter{background:#fff;border:1px solid #e2e8f0;border-radius:15px;overflow:hidden;box-shadow:0 2px 8px rgba(15,23,42,.035)}.bt44-chapter[open]{border-color:#99f6e4}.bt44-chapter>summary{list-style:none;min-height:76px;display:flex;align-items:center;gap:12px;padding:13px 17px;cursor:pointer;user-select:none}.bt44-chapter>summary::-webkit-details-marker{display:none}.bt44-chapter>summary:hover,.bt44-chapter>summary:active,.bt44-chapter[open]>summary{background:#f0fdfa}.bt44-chapter[open]>summary{border-bottom:1px solid #ccfbf1}.bt44-chapter summary span:nth-child(2){flex:1;min-width:0}.bt44-chapter summary strong{font-size:1rem;line-height:1.35;display:block;font-weight:800}.bt44-chapter summary small{font-size:.78rem;color:#64748b;line-height:1.5;display:block;margin-top:2px}.bt44-icon{display:grid;place-items:center;width:42px;height:42px;flex:0 0 42px;background:#ccfbf1;color:#0f766e;border-radius:12px;font-size:19px}.bt44-caret{color:#64748b;font-size:.8rem;transition:transform .15s}.bt44-chapter[open] .bt44-caret{transform:rotate(180deg)}
.bt44-content{padding:18px;line-height:1.7;color:#334155;font-size:.9rem}.bt44-content>p{margin-bottom:13px}.bt44-content ul{list-style:disc;margin:10px 0 12px 19px}.bt44-content li{padding-left:2px;margin:6px 0}.bt44-content h3{font-weight:800;font-size:.98rem;color:#0f172a;margin-bottom:5px}.bt44-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.bt44-info{padding:14px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;min-width:0}.bt44-info p+p{margin-top:8px}.bt44-info p{font-size:.85rem;line-height:1.6}.bt44-note{padding:12px 14px;margin-top:13px;background:#eff6ff;color:#1e40af;border-radius:11px;border:1px solid #bfdbfe;line-height:1.6}.bt44-linkbutton{margin-top:12px;color:#0f766e}.bt44-linkbutton i{margin-right:6px}.bt44-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.bt44-table{width:100%;min-width:450px;border-collapse:collapse;font-size:.85rem;margin:14px 0}.bt44-table th,.bt44-table td{text-align:left;padding:12px;border-bottom:1px solid #e2e8f0}.bt44-table thead{background:#f0fdfa;color:#115e59}.bt44-table tbody th{font-weight:800}.bt44-numbered{padding-left:22px;list-style:decimal}.bt44-numbered li{margin:10px 0}.bt44-product{display:inline-flex;border-radius:7px;padding:2px 5px;background:#ccfbf1;color:#0f766e;font-size:.7rem;margin-right:5px}.bt44-danger{background:#fff1f2;border:1px solid #fda4af;color:#9f1239;padding:15px 17px;border-radius:12px;margin:0 0 16px}.bt44-danger strong{font-size:.92rem}.bt44-danger ol{list-style:decimal;padding-left:20px;margin-top:9px}.bt44-danger li{margin:8px 0}.bt44-pbm{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.bt44-pbm article{background:#f0fdfa;border:1px solid #a7f3d0;padding:15px;border-radius:13px}.bt44-pbm article>span{color:#0f766e;font-weight:900;font-size:1.5rem}.bt44-pbm h3{margin:9px 0}.bt44-pbm p{font-size:.84rem;line-height:1.6}
.bt44-training{margin-top:23px;background:white;border:1px solid #dbe4ef;border-radius:17px;padding:21px;min-width:0}.bt44-sectiontitle{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:11px}.bt44-sectiontitle span{color:#0f766e;font-weight:850;font-size:.74rem;text-transform:uppercase;letter-spacing:.04em}.bt44-sectiontitle h2{font-size:1.35rem;font-weight:850;color:#0f172a;line-height:1.3;margin-top:2px}.bt44-sectiontitle>i{font-size:1.65rem;color:#0d9488}.bt44-training>p{color:#475569;font-size:.86rem;line-height:1.6;margin-bottom:17px}.bt44-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.bt44-form label{font-size:.79rem;color:#334155;font-weight:800;display:flex;flex-direction:column;gap:7px}.bt44-form select{width:100%;height:48px;background:#f8fafc;border:1px solid #cbd5e1;border-radius:10px;padding:7px 12px;font-size:16px;color:#0f172a}.bt44-formactions{display:flex;flex-wrap:wrap;gap:9px;margin:16px 0 13px}.bt44-primary{min-height:48px;padding:11px 17px;border-radius:11px;background:#0f766e;color:#fff;font-weight:800;font-size:.85rem}.bt44-primary:hover{background:#115e59}.bt44-compat-result{border:1px solid #cbd5e1;background:#f8fafc;border-radius:12px;padding:15px;line-height:1.6;color:#475569;font-size:.86rem}.bt44-compat-result strong{display:block;margin-bottom:4px;font-size:.98rem}.bt44-compat-result.pos{border-color:#99f6e4;background:#f0fdfa;color:#115e59}.bt44-compat-result.neg{border-color:#fda4af;background:#fff1f2;color:#9f1239}
.bt44-progress{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:16px 0}.bt44-progress>div{height:11px;background:#e2e8f0;flex:1;border-radius:999px;overflow:hidden}.bt44-progress>div span{display:block;height:100%;width:0;background:#0d9488;border-radius:999px;transition:width .12s}.bt44-progress>strong{font-size:.8rem;white-space:nowrap;color:#115e59}.bt44-checklist{display:grid;gap:9px}.bt44-checkrow{display:flex;gap:11px;padding:13px 14px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:11px;cursor:pointer}.bt44-checkrow:has(input:checked){background:#f0fdfa;border-color:#99f6e4}.bt44-checkrow input{width:22px;height:22px;flex:0 0 22px;accent-color:#0d9488;margin-top:3px}.bt44-checkrow strong{display:block;color:#0f172a;font-size:.88rem;line-height:1.4}.bt44-checkrow small{display:block;color:#64748b;font-size:.77rem;line-height:1.5;margin-top:4px}.bt44-checksummary{color:#475569;background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:11px 12px;margin:12px 0;font-size:.82rem;line-height:1.55}.bt44-checksummary.complete{color:#115e59;background:#f0fdfa;border-color:#99f6e4}
.bt44-casetabs{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.bt44-casetabs button{min-height:45px;min-width:64px;border:1px solid #cbd5e1;color:#475569;background:#fff;padding:8px 12px;border-radius:10px;font-weight:800;font-size:.8rem}.bt44-casetabs button[aria-pressed="true"]{border-color:#0f766e;background:#0f766e;color:white}.bt44-case{background:#f8fafc;border:1px solid #e2e8f0;border-radius:13px;padding:17px}.bt44-case h3{font-size:1.05rem;font-weight:850;margin-bottom:9px}.bt44-case>p{color:#334155;font-size:.87rem;line-height:1.65}.bt44-caseopts{display:grid;gap:9px;margin:16px 0 0}.bt44-caseopts button{min-height:53px;text-align:left;display:flex;align-items:flex-start;gap:10px;padding:11px 12px;border-radius:11px;background:white;color:#334155;border:1px solid #cbd5e1;line-height:1.5;font-size:.84rem}.bt44-caseopts button[aria-pressed="true"]{border-color:#0d9488;background:#f0fdfa}.bt44-caseopts button[aria-pressed="true"].wrong{border-color:#ef4444;background:#fff1f2}.bt44-caseletter{display:grid;place-items:center;font-weight:850;border-radius:8px;background:#e2e8f0;min-width:27px;height:27px;font-size:.83rem}.bt44-feedback{margin-top:13px;padding:13px 15px;border:1px solid #99f6e4;background:#f0fdfa;color:#115e59;border-radius:10px;font-size:.85rem;line-height:1.6}.bt44-feedback.wrong{border-color:#fda4af;background:#fff1f2;color:#9f1239}.bt44-feedback strong{display:block}.bt44-casefoot{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:12px;color:#64748b;font-size:.8rem}.bt44-sources{margin-top:23px;padding:18px 19px;background:white;border:1px solid #e2e8f0;border-radius:16px}.bt44-sources h2{font-size:1.08rem;font-weight:800;margin-bottom:10px}.bt44-sources p{font-size:.82rem;line-height:1.6;color:#475569}.bt44-links{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}.bt44-links a{font-size:.77rem;line-height:1.35;background:#f0fdfa;border:1px solid #ccfbf1;border-radius:9px;padding:9px 11px;color:#0f766e;font-weight:750;text-decoration:none;overflow-wrap:anywhere}.bt44-links a:hover{text-decoration:underline}
@media(max-width:767px){.bt44-hero{padding:19px 16px;border-radius:15px}.bt44-hero-icon{display:none}.bt44-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.bt44-controls{flex-direction:column;align-items:stretch}.bt44-search{max-width:none}.bt44-actions{display:grid;grid-template-columns:1fr 1fr}.bt44-actions button{padding:8px}.bt44-chapter>summary{padding:12px;gap:10px;min-height:69px}.bt44-chapter summary strong{font-size:.9rem}.bt44-chapter summary small{font-size:.73rem}.bt44-icon{width:37px;height:37px;flex-basis:37px;font-size:16px}.bt44-content{padding:13px;font-size:.85rem}.bt44-cols,.bt44-pbm{grid-template-columns:1fr}.bt44-training{padding:15px}.bt44-form{grid-template-columns:1fr}.bt44-sectiontitle h2{font-size:1.16rem}.bt44-casefoot{flex-wrap:wrap}.bt44-hero-actions button{width:100%}}
@media(prefers-reduced-motion:reduce){.bt44-caret,.bt44-progress>div span{transition:none}}