/* Standardized calculator References box (2026-10-26) */
.nr-refs{margin:2rem auto 1rem;max-width:72rem;padding:1.25rem 1.5rem;background:#f8fafc;border:1px solid #e2e8f0;border-left:4px solid #0d9488;border-radius:14px;color:#334155;font-size:.875rem;line-height:1.55;text-align:left;box-sizing:border-box}
.nr-refs .nr-refs-title{margin:0 0 .75rem;font-size:1.05rem;font-weight:700;color:#0f172a;display:flex;align-items:center;gap:.5rem}
.nr-refs .nr-refs-title::before{content:"📚"}
.nr-refs .nr-refs-list{margin:0;padding-left:1.25rem;display:grid;gap:.45rem;list-style:decimal}
.nr-refs li{margin:0;word-break:break-word}
.nr-refs a{color:#0f766e;text-decoration:underline;text-underline-offset:2px;white-space:nowrap}
.nr-refs a:hover{color:#115e59}
.nr-refs .nr-refs-nolink{color:#64748b;font-style:italic}
.nr-refs .nr-refs-note{margin:.85rem 0 0;padding:.6rem .8rem;background:#fffbeb;border:1px solid #fde68a;border-radius:10px;color:#92400e;font-size:.8rem}
.nr-refs .nr-refs-review{margin:.85rem 0 0;font-size:.78rem;color:#64748b;font-style:italic}
[data-theme="dark"] .nr-refs,.dark .nr-refs{background:#0f172a;border-color:#334155;border-left-color:#14b8a6;color:#cbd5e1}
[data-theme="dark"] .nr-refs .nr-refs-title,.dark .nr-refs .nr-refs-title{color:#f1f5f9}
[data-theme="dark"] .nr-refs a,.dark .nr-refs a{color:#5eead4}
[data-theme="dark"] .nr-refs .nr-refs-note,.dark .nr-refs .nr-refs-note{background:#422006;border-color:#854d0e;color:#fde68a}
[data-calc-refs]:empty{display:none}
@media print{.nr-refs{break-inside:avoid;background:#fff;border-color:#999}.nr-refs a{color:#000}.nr-refs a::after{content:none}}
@media (max-width:640px){.nr-refs{padding:1rem;margin:1.5rem .5rem 1rem}.nr-refs a{white-space:normal}}
.nr-refs{grid-column:1/-1}
section.nr-refs h2.nr-refs-title{color:#0f172a!important;background:none!important;-webkit-text-fill-color:currentColor}
html[data-theme="dark"] section.nr-refs h2.nr-refs-title,html.dark section.nr-refs h2.nr-refs-title{color:#f1f5f9!important}