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h4,:root[data-theme=dark] h5{color:var(--navy)}:root[data-theme=dark] .hero h1 .grad{background:linear-gradient(100deg,#9cc5f5 10%,#45c4d2,#4fc9d8);-webkit-background-clip:text;background-clip:text}:root[data-theme=dark] .hero-sub,:root[data-theme=dark] .section-head .lead{color:var(--muted)}:root[data-theme=dark] .hero-badge{background:var(--blue-soft);color:var(--teal);border-color:var(--border)}:root[data-theme=dark] .btn-primary{background:var(--teal);color:#06202a}:root[data-theme=dark] .btn-primary:hover{background:var(--cyan);color:#06202a}:root[data-theme=dark] .btn-ghost{background:var(--bg-soft-2);color:var(--navy);border-color:var(--border-strong)}:root[data-theme=dark] .btn-ghost:hover{border-color:var(--teal);color:var(--teal)}:root[data-theme=dark] .card,:root[data-theme=dark] .modality-card,:root[data-theme=dark] .param{background:var(--bg-soft-2);border-color:var(--border)}:root[data-theme=dark] .card:hover,:root[data-theme=dark] .modality-card:hover{border-color:var(--border-strong)}:root[data-theme=dark] .card p,:root[data-theme=dark] .modality-card p{color:var(--muted)}:root[data-theme=dark] .card-icon.blue{background:var(--blue-soft);color:var(--blue)}:root[data-theme=dark] .card-icon.teal{background:var(--teal-soft);color:var(--teal)}:root[data-theme=dark] .card-icon.orange{background:var(--cyan-soft);color:var(--cyan)}:root[data-theme=dark] .card-icon.green{background:#143528;color:#6fd39a}:root[data-theme=dark] .modality-card.anat .modality-badge{background:var(--blue-soft);color:var(--blue)}:root[data-theme=dark] .modality-card.bold .modality-badge{background:var(--teal-soft);color:var(--teal)}:root[data-theme=dark] .modality-card.dwi .modality-badge{background:var(--cyan-soft);color:var(--cyan)}:root[data-theme=dark] .modality-card .sub{color:var(--navy)}:root[data-theme=dark] .stats{background:linear-gradient(100deg,#0a1430,#14224d)}:root[data-theme=dark] .stat-label{color:#93a4c4}:root[data-theme=dark] .stat-num .unit{color:#4fc9d8}:root[data-theme=dark] .page-hero{background:linear-gradient(180deg,#0e1730,#101c3a);border-color:var(--border)}:root[data-theme=dark] .page-hero .lead{color:var(--muted)}:root[data-theme=dark] .breadcrumb a{color:var(--muted)}:root[data-theme=dark] .breadcrumb a:hover{color:var(--teal)}:root[data-theme=dark] .toc a{color:var(--muted)}:root[data-theme=dark] .toc a:hover{color:var(--teal);background:var(--blue-soft)}:root[data-theme=dark] .toc a.level-1{color:var(--navy)}:root[data-theme=dark] .doc-content h2{border-color:var(--border)}:root[data-theme=dark] .doc-content h4{color:var(--text-strong)}:root[data-theme=dark] .param-name{background:var(--bg);color:var(--navy);border-color:var(--border)}:root[data-theme=dark] .param-name .arg{color:var(--teal)}:root[data-theme=dark] .badge-default{background:var(--blue-soft);color:var(--blue)}:root[data-theme=dark] .badge-type{background:var(--teal-soft);color:var(--teal)}:root[data-theme=dark] .badge-required{background:var(--cyan-soft);color:var(--cyan)}:root[data-theme=dark] .badge-flag{background:#143528;color:#6fd39a}:root[data-theme=dark] .param-desc code,:root[data-theme=dark] .prose code,:root[data-theme=dark] td code,:root[data-theme=dark] th code{background:var(--bg);border-color:var(--border);color:var(--teal)}:root[data-theme=dark] .pill{background:var(--bg-soft-2);border-color:var(--border);color:var(--text)}:root[data-theme=dark] .pill.hl{background:var(--blue-soft);border-color:var(--border-strong);color:var(--blue)}:root[data-theme=dark] .callout.note{background:var(--blue-soft);border-color:var(--border-strong)}:root[data-theme=dark] .callout.warn{background:#3a2c12;border-color:#6b5220}:root[data-theme=dark] .callout.warn strong{color:#f2c979}:root[data-theme=dark] .callout.tip{background:#143528;border-color:#2a5c44}:root[data-theme=dark] .callout.tip strong{color:#6fd39a}:root[data-theme=dark] .callout.danger{background:#3a1620;border-color:#6b2a3a}:root[data-theme=dark] .code-block{background:#0a1626;border-color:#0a1626}:root[data-theme=dark] .code-block .cb-head{background:#081220}:root[data-theme=dark] .table-wrap{border-color:var(--border)}:root[data-theme=dark] thead th{background:var(--bg-soft-2);color:var(--navy);border-color:var(--border)}:root[data-theme=dark] tbody td{border-color:var(--border)}:root[data-theme=dark] tbody tr:nth-child(2n){background:#ffffff05}:root[data-theme=dark] .steps li:before{background:var(--teal);color:#06202a}:root[data-theme=dark] .steps li:not(:last-child):after{background:var(--border)}:root[data-theme=dark] .site-footer{background:#0a1226;color:#93a4c4}:root[data-theme=dark] .footer-brand .brand-name{color:#fff}:root[data-theme=dark] .footer-brand .brand-name span{color:#7fd4e0}:root[data-theme=dark] .footer-col a{color:#93a4c4}:root[data-theme=dark] .footer-col a:hover{color:#fff}:root[data-theme=dark] .footer-bottom{border-color:#ffffff14;color:#6d7fa3}:root[data-theme=dark] .to-top{background:var(--teal);color:#06202a}:root[data-theme=dark] .to-top:hover{background:var(--cyan)}:root[data-theme=dark] .hero-terminal{border-color:var(--border-strong)}:root[data-theme=dark] .toc a.level-1{border-left-color:var(--border)}:root[data-theme=dark] .toc a.level-1:hover{border-left-color:var(--teal)}:root[data-theme=dark] .toc .toc-sub{border-left-color:var(--border)}:root[data-theme=dark] .toc .toc-caret:hover{background:var(--blue-soft);color:var(--teal)}