:root{--btc-primary:#dc2626;--btc-primary-light:#dc26261a;--btc-primary-dark:#b91c1c;--btc-success:#059669;--btc-success-light:#0596691a;--btc-danger:#dc2626;--btc-danger-light:#dc26261a;--btc-warning:#d97706;--btc-warning-light:#d977061a;--btc-text:#1e293b;--btc-text-secondary:#475569;--btc-text-muted:#64748b;--btc-bg:#fff;--btc-bg-secondary:#f8fafc;--btc-border:#e2e8f0;--btc-radius:var(--main-radius,.5rem);--btc-radius-lg:var(--main-radius-lg,.75rem);--btc-radius-full:9999px;--btc-shadow:0 1px 3px #0000000f, 0 1px 2px #0000000a;--btc-shadow-md:0 4px 12px #00000014}._btc-container{flex-direction:column;gap:1.25rem;max-width:680px;margin:0 auto;display:flex}._btc-hidden{display:none!important}._btc-panel{flex-direction:column;gap:1.25rem;display:flex}._btc-pregnancy-row{grid-template-columns:1fr auto 1fr;align-items:start;gap:1rem;display:grid}._btc-pregnancy-divider{color:var(--btc-primary);opacity:.6;justify-content:center;align-items:center;padding-top:2.25rem;display:flex}._btc-pregnancy-divider svg{width:16px;height:16px}@media (max-width:540px){._btc-container{padding-left:1rem;padding-right:1rem}._btc-pregnancy-row{grid-template-columns:1fr;gap:.75rem}._btc-pregnancy-divider{padding-top:0;padding-bottom:0;transform:rotate(90deg)}}._btc-tabs{background:var(--btc-bg);border-radius:var(--btc-radius-lg);box-shadow:var(--btc-shadow);border-style:solid;border-width:1px;border-color:var(--btc-border);gap:.375rem;padding:.25rem;display:flex}._btc-tab{border-radius:var(--btc-radius);color:var(--btc-text-muted);cursor:pointer;background:0 0;border-width:0;flex:1;justify-content:center;align-items:center;gap:.375rem;padding:.625rem 1rem;font-size:.875rem;font-weight:500;transition:all .2s;display:flex}._btc-tab:hover{color:var(--btc-text-secondary);background:var(--btc-bg-secondary)}._btc-tab._btc-tab-active{background:var(--btc-primary);color:#fff;box-shadow:0 2px 8px #dc26264d}._btc-tab svg{flex-shrink:0;width:14px;height:14px}@media (max-width:480px){._btc-tab{flex-direction:column;gap:.125rem;padding:.5rem .625rem;font-size:.8125rem}}._btc-selector-group{flex-direction:column;gap:.625rem;display:flex}._btc-selector-label{color:var(--btc-text-secondary);align-items:center;gap:.375rem;font-size:.875rem;font-weight:500;display:flex}._btc-selector-label svg{width:14px;height:14px;color:var(--btc-primary)}._btc-blood-selector{grid-template-columns:repeat(8,1fr);gap:.5rem;display:grid}._btc-blood-selector-sm{grid-template-columns:repeat(4,1fr)}._btc-type-btn{border-style:solid;border-width:1.5px;border-color:var(--btc-border);border-radius:var(--btc-radius);background:var(--btc-bg);color:var(--btc-text);cursor:pointer;text-align:center;padding:.5rem .25rem;font-size:.875rem;font-weight:600;line-height:1.2;transition:all .15s}._btc-type-btn:hover{border-color:var(--btc-primary);color:var(--btc-primary);box-shadow:0 0 0 3px var(--btc-primary-light)}._btc-type-btn._btc-selected{background:var(--btc-primary);border-color:var(--btc-primary);color:#fff;box-shadow:0 2px 8px #dc26264d}._btc-type-btn:focus-visible{outline:2px solid var(--btc-primary);outline-offset:2px}@media (max-width:480px){._btc-blood-selector{grid-template-columns:repeat(4,1fr)}._btc-type-btn{padding:.5rem .25rem;font-size:.8125rem}}._btc-result-area{flex-direction:column;gap:.75rem;display:flex}._btc-status-card{border-radius:var(--btc-radius-lg);box-shadow:var(--btc-shadow);border-style:solid;border-width:1px;align-items:flex-start;gap:1rem;padding:1rem 1.25rem;display:flex}._btc-status-card._btc-compatible{background:var(--btc-success-light);border-color:#05966940}._btc-status-card._btc-incompatible{background:var(--btc-danger-light);border-color:#dc262640}._btc-status-card._btc-warning{background:var(--btc-warning-light);border-color:#d9770640}._btc-status-icon{flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;margin-top:.1rem;display:flex}._btc-status-icon svg{width:18px;height:18px}._btc-compatible ._btc-status-icon{color:var(--btc-success)}._btc-incompatible ._btc-status-icon{color:var(--btc-danger)}._btc-warning ._btc-status-icon{color:var(--btc-warning)}._btc-status-body{flex-direction:column;flex:1;gap:.25rem;display:flex}._btc-status-title{color:var(--btc-text);font-size:1rem;font-weight:600}._btc-compatible ._btc-status-title{color:var(--btc-success)}._btc-incompatible ._btc-status-title{color:var(--btc-danger)}._btc-warning 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.5rem;font-size:.8125rem;font-weight:600;display:inline-flex}._btc-type-tag._btc-tag-highlight{background:var(--btc-primary-light);color:var(--btc-primary);border-color:#dc26264d}._btc-type-tag._btc-tag-universal{color:var(--btc-success);background:#10b9811a;border-color:#10b9814d}._btc-donor-list{flex-direction:column;gap:.5rem;display:flex}._btc-donor-item{background:var(--btc-bg);border-style:solid;border-width:1px;border-color:var(--btc-border);border-radius:var(--btc-radius);box-shadow:var(--btc-shadow);justify-content:space-between;align-items:center;padding:.625rem 1rem;display:flex}._btc-donor-item._btc-donor-universal{background:#0596690a;border-color:#0596694d}._btc-donor-left{align-items:center;gap:.625rem;display:flex}._btc-donor-type{color:var(--btc-text);min-width:2.5rem;font-size:.9375rem;font-weight:700}._btc-donor-badge{border-radius:var(--btc-radius-full);color:var(--btc-success);background:#0596691a;padding:.15rem .5rem;font-size:.7rem;font-weight:600;display:inline-flex}._btc-donor-population{color:var(--btc-text-muted);font-size:.8125rem}._btc-preg-section{background:var(--btc-bg);border-style:solid;border-width:1px;border-color:var(--btc-border);border-radius:var(--btc-radius-lg);box-shadow:var(--btc-shadow);flex-direction:column;gap:.625rem;padding:1rem 1.25rem;display:flex}._btc-preg-section-title{text-transform:uppercase;letter-spacing:.04em;color:var(--btc-text-muted);font-size:.8125rem;font-weight:600}._btc-preg-types{flex-wrap:wrap;gap:.375rem;display:flex}@media (max-width:540px){._btc-info-cards{grid-template-columns:1fr}}._btc-chart-section{flex-direction:column;gap:0;display:flex}._btc-chart-toggle{background:var(--btc-bg);border-style:solid;border-width:1px;border-color:var(--btc-border);border-radius:var(--btc-radius-lg);color:var(--btc-text-secondary);cursor:pointer;text-align:left;width:100%;box-shadow:var(--btc-shadow);align-items:center;gap:.5rem;padding:.75rem 1rem;font-size:.875rem;font-weight:500;transition:all .15s;display:flex}._btc-chart-toggle:hover{color:var(--btc-text);border-color:var(--btc-primary)}._btc-chart-toggle svg{width:14px;height:14px;color:var(--btc-primary)}._btc-chart-toggle-icon{color:var(--btc-text-muted);align-items:center;margin-left:auto;display:flex}._btc-chart-toggle-icon svg{color:currentColor;width:12px;height:12px}._btc-chart-content{background:var(--btc-bg);border-style:solid;border-width:0 1px 1px;border-color:var(--btc-border);border-radius:0 0 var(--btc-radius-lg) var(--btc-radius-lg);overflow-x:auto}._btc-chart-toggle.open{border-radius:var(--btc-radius-lg) var(--btc-radius-lg) 0 0}._btc-chart-wrapper{padding:0 .25rem .5rem}._btc-chart-table{border-collapse:collapse;width:100%;font-size:.875rem}._btc-chart-table th{text-align:left;text-transform:uppercase;letter-spacing:.05em;color:var(--btc-text-muted);border-bottom-style:solid;border-bottom-width:1px;border-bottom-color:var(--btc-border);white-space:nowrap;padding:.75rem 1rem;font-size:.75rem;font-weight:600}._btc-chart-table td{color:var(--btc-text-secondary);border-bottom-style:solid;border-bottom-width:1px;border-bottom-color:var(--btc-border);vertical-align:middle;padding:.625rem 1rem;line-height:1.4}._btc-chart-table tr:last-child td{border-bottom:none}._btc-chart-table tr:hover td{background:var(--btc-bg-secondary)}._btc-type-badge{background:var(--btc-primary-light);border-radius:var(--btc-radius-full);min-width:2.5rem;color:var(--btc-primary);justify-content:center;align-items:center;padding:.2rem .5rem;font-size:.875rem;font-weight:700;display:inline-flex}._btc-special-tag{border-radius:var(--btc-radius-full);color:var(--btc-success);background:#0596691a;padding:.15rem .5rem;font-size:.8125rem;font-weight:600;display:inline-flex}._btc-disclaimer{border-radius:var(--btc-radius-lg);color:var(--btc-text-secondary);background:#d977060f;border:1px solid #d9770633;align-items:flex-start;gap:.5rem;padding:.75rem 1rem;font-size:.8125rem;line-height:1.5;display:flex}._btc-disclaimer svg{width:14px;height:14px;color:var(--btc-warning);flex-shrink:0;margin-top:.1rem}@media (max-width:480px){._btc-chart-table th,._btc-chart-table td{padding:.5rem .75rem;font-size:.8125rem}}