.m215{margin:40px 0;padding:clamp(22px,4vw,48px);background:#f7f6f1;color:#173649;border-top:3px solid #ad8c50;scroll-margin-top:110px}.m215 *{box-sizing:border-box}.m215 h2{font:400 clamp(28px,3.5vw,43px)/1.2 Georgia,serif;color:#173649}.m215 h3{font:400 25px/1.3 Georgia,serif;color:#173649}.m215 p{color:#324d5d!important;font-size:16px!important;line-height:1.7;max-width:95ch}.m215 .m215-kicker{color:#765d2c!important;letter-spacing:.12em;font-size:12px!important;font-weight:bold}.m215-scope{border-left:2px solid #ad8c50;padding-left:18px}.m215-case{display:block;max-width:780px;font-weight:600;margin:22px 0}.m215 select,.m215 input{display:block;width:100%;margin-top:8px;padding:12px;background:#fff;color:#173649;border:1px solid #8298a5;border-radius:0;font:16px Arial,sans-serif;min-height:46px}.m215-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:24px 0;border:1px solid #b4c1c8;padding:22px}.m215 legend{padding:0 10px;font-weight:600}.m215 label{font-size:15px;line-height:1.5;color:#173649}.m215 small{font-size:13px;color:#536673;display:block;margin-top:5px}.m215-actions{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.m215 button{min-height:46px;padding:12px 18px;background:#173649;color:#fff;border:1px solid #173649;cursor:pointer;font:600 15px Arial,sans-serif}.m215 button:disabled{opacity:.45;cursor:not-allowed}.m215 button[data-reset]{background:transparent;color:#173649}.m215 details{margin:24px 0;border:0;border-top:1px solid #b4c1c8;padding-top:14px}.m215 summary{color:#173649!important;opacity:1!important;cursor:pointer;min-height:44px;font-weight:600}.m215-equations>div{max-width:100%;overflow:auto;padding:12px;background:#ecf1f2}.m215 .katex-display{width:max-content;min-width:100%;padding:8px 10px}.m215 .katex{color:#173649;font-size:1.15em}.m215-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin:24px 0}.m215-metrics>div{border-top:2px solid #b39a65;padding-top:14px}.m215 dt{font-size:14px}.m215 dd{margin:10px 0;font:500 25px Arial,sans-serif;font-variant-numeric:tabular-nums}.m215-scroll{overflow:auto;max-width:100%}.m215 figure{margin:24px 0}.m215 .m215-plot svg{display:block;width:100%;min-width:720px;height:auto}.m215-controls{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:20px;border:1px solid #b4c1c8}.m215 input[type=range]{padding:4px;accent-color:#173649}.m215 table{border-collapse:collapse;min-width:950px;width:100%;font-size:14px;color:#173649;background:white}.m215 th,.m215 td{border:1px solid #c4cdd2;padding:10px;text-align:right;font-variant-numeric:tabular-nums}.m215 th{background:#edf2f4;color:#173649}.m215 caption{text-align:left;padding:12px;font-weight:600}.m215 [aria-invalid=true]{border:2px solid #962d2d;background:#fff3f3}.m215 :is(button,input,select,a,summary,[tabindex]):focus-visible{outline:3px solid #9a6a16;outline-offset:4px}.m215 a{text-decoration:underline;color:#173649}@media(max-width:800px){.m215-fields{grid-template-columns:1fr 1fr}.m215-metrics{grid-template-columns:1fr 1fr}}@media(max-width:520px){.m215-fields,.m215-controls{grid-template-columns:1fr}.m215{padding:22px 16px}.m215-metrics dd{font-size:21px}}

/* Scoped integration inside the existing Digital Delta demonstrator. */
#books193-demo-delta .m215{margin:28px 0 0;padding:clamp(18px,3vw,32px);width:100%;min-width:0}#books193-demo-delta .m215 .m215-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;background:transparent;padding:0}#books193-demo-delta .m215 .m215-metrics>div{display:block;padding:14px 0;border-bottom:0}#books193-demo-delta .m215 .m215-metrics dt{max-width:none}#books193-demo-delta .m215 .m215-metrics dd{margin:10px 0;white-space:normal}#books193-demo-delta .m215 .m215-scroll{overflow:auto}#books193-demo-delta .m215 .m215-equations>div{overflow:auto}