/* Swimming Biomechanics: Interactive Learning Laboratory — resource layout.
   Colours come ONLY from the JP MovementLab tokens in css/jpml-kit.css
   (dark default, light optional). See docs/JP_MOVEMENTLAB_HTML_DESIGN_STANDARD.md. */
h1,h2,h3,h4{line-height:1.25;margin:.2em 0 .45em;color:var(--heading)}
h2{font-size:1.55rem;font-family:var(--font-display);font-weight:600;letter-spacing:.1px} h3{font-size:1.12rem} h4{font-size:1rem}
p{margin:.35em 0 .8em} small,.small{font-size:.86rem;color:var(--muted)}
code{font-family:var(--mono);font-size:.88em;overflow-wrap:anywhere;background:var(--surface-3);padding:0 .25em;border-radius:4px}
.h-sm{font-size:1.2rem}

/* top bar extras + module rail */
.progress-mini{white-space:nowrap}
.rail{background:var(--rail-bg);overflow-x:auto;scrollbar-width:thin;border-top:1px solid var(--bar-line)}
.rail ol{display:flex;gap:.25rem;list-style:none;margin:0 auto;padding:.35rem clamp(.8rem,2.4vw,2rem);max-width:1360px}
.rail a{display:block;white-space:nowrap;color:var(--rail-ink);text-decoration:none;font-size:.85rem;padding:.3rem .7rem;border-radius:99px}
.rail a:hover{background:color-mix(in srgb,var(--rail-ink) 14%,transparent)}
.rail a[aria-current=page]{background:var(--rail-cur-bg);color:var(--rail-cur-ink);font-weight:600}
.rail a .dot{display:inline-block;width:.45rem;height:.45rem;border-radius:50%;background:transparent;margin-left:.35rem;vertical-align:.1em}
.rail a.visited .dot{background:var(--rail-dot)}
.rail a[aria-current=page].visited .dot{background:var(--rail-cur-ink)}

/* lab map */
.labmap{position:fixed;inset:0;z-index:100;background:var(--overlay);display:flex;align-items:flex-start;justify-content:center;padding:4vh 1rem;overflow:auto}
.labmap[hidden]{display:none}
.labmap .panel{background:var(--bg-2);border:1px solid var(--line-2);border-radius:14px;max-width:1000px;width:100%;padding:1.2rem 1.3rem;box-shadow:var(--shadow)}
.mapgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:.7rem}
.mapgrid a{display:block;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:.7rem .8rem}
.mapgrid a:hover{border-color:var(--accent)}
.mapgrid a b{display:block;color:var(--heading);margin:.1rem 0}
.mapgrid .grp{font:700 .68rem var(--mono);letter-spacing:.1em;color:var(--accent);text-transform:uppercase}

/* layout */
main{max-width:1360px;margin:0 auto;padding:1.3rem clamp(.9rem,3vw,2rem) 3rem}
section.view{display:none} section.view.active{display:block}
.crumb{font:600 .74rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.lede{color:var(--ink-2);max-width:80ch;font-size:1.03rem}
.grid{display:grid;gap:1rem}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1rem 1.1rem;margin:0 0 1rem;min-width:0}
.card.soft{background:var(--surface-2)}
ul.tight{margin:.3rem 0 .7rem;padding-left:1.2rem} ul.tight li{margin:.2rem 0}
.modnav{display:flex;justify-content:space-between;gap:.6rem;margin-top:2rem;padding-top:1rem;border-top:1px solid var(--line)}
.modnav a{text-decoration:none;font-weight:600}

/* controls */
button,.btn{font:inherit;font-size:.92rem;cursor:pointer;border:1px solid var(--line-2);background:var(--surface-2);color:var(--heading);padding:.42rem .85rem;border-radius:8px;text-decoration:none;display:inline-block}
button:hover,.btn:hover{border-color:var(--accent);background:var(--accent-bg)}
button.primary,.btn.primary{background:var(--accent-strong);border-color:var(--accent-strong);color:var(--on-accent);font-weight:600}
button[disabled]{opacity:.5;cursor:not-allowed}
.btnrow{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
select,input[type=search]{font:inherit;color:var(--ink);background:var(--surface-3);border:1px solid var(--line-2);border-radius:8px;padding:.4rem .55rem;max-width:100%}
select option{background:var(--surface);color:var(--ink)}
label,.lbl{font-size:.88rem;color:var(--ink-2)}
.field{display:flex;flex-direction:column;gap:.22rem}
.filters{display:flex;flex-wrap:wrap;gap:.7rem;align-items:end;margin:.6rem 0}
[role=tablist].seg{display:flex;flex-wrap:wrap;gap:.3rem;background:var(--surface-3);border:1px solid var(--line);padding:.3rem;border-radius:10px;margin:.8rem 0}
[role=tablist].seg [role=tab]{border:0;background:transparent;border-radius:7px;padding:.4rem .8rem;color:var(--ink-2)}
[role=tablist].seg [role=tab][aria-selected=true]{background:var(--surface);box-shadow:var(--shadow-sm);color:var(--heading);font-weight:600;outline:1px solid var(--line-2)}
[role=tabpanel][hidden]{display:none}
details.acc{border:1px solid var(--line);border-radius:10px;background:var(--surface);margin:.5rem 0}
details.acc>summary{cursor:pointer;padding:.55rem .8rem;font-weight:600;color:var(--heading)}
details.acc>.body{padding:0 .8rem .8rem}
sup.cite{font-size:.68em;line-height:0} sup.cite a{text-decoration:none;font-weight:700;padding:0 .06em;color:var(--link)}

/* tables */
.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:.88rem}
th,td{padding:.48rem .6rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
thead th{position:sticky;top:0;background:var(--surface-2);color:var(--heading);z-index:1}
td.val,.val{font-family:var(--mono);white-space:nowrap;color:var(--sky);font-weight:600}
tr.flag td{background:var(--warn-bg)}

/* hero */
.hero{background:var(--hero-bg);color:var(--hero-ink);border:1px solid var(--line);border-radius:16px;padding:clamp(1.3rem,4vw,2.4rem);position:relative;overflow:hidden}
.hero h1{color:var(--hero-ink);font-family:var(--font-display);font-weight:600;font-size:clamp(1.5rem,3.4vw,2.35rem);max-width:28ch}
.hero p{color:var(--hero-dim);max-width:66ch}
.hero .crumb{color:var(--hero-kicker)}
.hero .btn{background:var(--hero-ink);color:var(--hero-btn-ink);border-color:var(--hero-ink)}
.hero .btn.ghost{background:transparent;color:var(--hero-ink);border-color:var(--hero-line)}
.hero .btn.ghost:hover{background:rgba(255,255,255,.08)}

/* dashboard tiles + objectives + how-to */
.objlist{counter-reset:o;list-style:none;padding:0;margin:0}
.objlist li{counter-increment:o;position:relative;padding:.45rem .2rem .45rem 2.3rem;border-bottom:1px dashed var(--line)}
.objlist li::before{content:counter(o);position:absolute;left:0;top:.45rem;width:1.6rem;height:1.6rem;border-radius:6px;background:var(--accent-bg);color:var(--accent);display:grid;place-items:center;font:700 .8rem var(--mono)}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.75rem}
.tiles a{display:block;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:.75rem .85rem}
.tiles a b{color:var(--heading);display:block;margin:.15rem 0}
.tiles a:hover{box-shadow:var(--shadow-sm);border-color:var(--accent)}
.tiles .grp{font:700 .66rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--warn)}
.howto{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:.6rem;margin:.4rem 0}
.howto div{border:1px solid var(--line);border-radius:10px;padding:.6rem .75rem;background:var(--surface-2);font-size:.88rem}
.howto b{display:block;color:var(--heading)}

/* foundations value cards */
.valgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:.5rem;margin:.6rem 0 .2rem}
.valcard{border:1px solid var(--line);border-radius:9px;background:var(--surface-2);padding:.5rem .6rem;display:flex;flex-direction:column;gap:.2rem}
.valcard .val{font-size:1.05rem}

/* figures */
.figrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:.8rem;margin:.6rem 0}
figure.fig{margin:0}
.figbtn{display:block;width:100%;padding:0;border:1px solid var(--line-2);border-radius:10px;overflow:hidden;background:var(--viewer-bg);cursor:zoom-in}
.figbtn img{display:block;width:100%;height:auto}
figure.fig figcaption{font-size:.82rem;color:var(--muted);margin-top:.3rem}

/* stroke phases */
ol.phases{counter-reset:p;list-style:none;padding:0;margin:.6rem 0}
ol.phases li{counter-increment:p;position:relative;padding:.5rem .2rem .5rem 2.4rem;border-bottom:1px dashed var(--line)}
ol.phases li::before{content:counter(p);position:absolute;left:0;top:.5rem;width:1.7rem;height:1.7rem;border-radius:8px;background:var(--accent-bg);color:var(--accent);display:grid;place-items:center;font:700 .82rem var(--mono)}
ol.phases b{color:var(--heading)}

/* injury / method lanes */
.lanes{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.6rem;margin:.6rem 0}
.lane{border-left:3px solid var(--line-2);padding:.3rem 0 .3rem .7rem}
.lane>b{display:block;font:700 .68rem var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:.1rem}
.lane.est{border-color:var(--ok)} .lane.est>b{color:var(--ok)}
.lane.prop{border-color:var(--info)} .lane.prop>b{color:var(--info)}
.lane.assoc{border-color:var(--warn)} .lane.assoc>b{color:var(--warn)}

/* opt lists / quiz */
.opt-list{list-style:none;padding:0;margin:.5rem 0;display:grid;gap:.4rem}
.opt-list button{width:100%;text-align:left;display:flex;gap:.55rem;align-items:flex-start;padding:.55rem .75rem;border:1px solid var(--line-2);border-radius:8px;background:var(--surface-2);color:var(--ink);cursor:pointer;font-size:.92rem}
.opt-list button.good{border-color:var(--ok);background:var(--ok-bg)}
.opt-list button.bad{border-color:var(--danger);background:var(--danger-bg)}
.opt-list button[disabled]{opacity:1;cursor:default}
.fb{margin-top:.35rem;font-size:.9rem}
.qtop{display:flex;flex-wrap:wrap;gap:.8rem;align-items:end;justify-content:space-between}
.qprog{flex:1;min-width:160px;height:8px;border-radius:99px;background:var(--surface-3);overflow:hidden;border:1px solid var(--line)}
.qprog span{display:block;height:100%;background:var(--accent);width:0}
.score{font:700 .95rem var(--mono);color:var(--heading)}

/* references */
ol.refs{padding-left:0;list-style:none}
ol.refs li{margin:.4rem 0;padding:.5rem .65rem;border-radius:8px;background:var(--surface);border:1px solid var(--line)}
ol.refs li.hl{outline:2px solid var(--warn);background:var(--warn-bg)}

/* visuals viewer */
.vis-layout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:1rem;align-items:start}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:.5rem;margin:.6rem 0}
.thumbs button{padding:.3rem;display:flex;flex-direction:column;gap:.25rem;text-align:left;font-size:.7rem;line-height:1.25;color:var(--ink-2)}
.thumbs button img{width:100%;height:68px;object-fit:cover;border-radius:5px;background:var(--surface-3)}
.thumbs button[aria-pressed=true]{border:2px solid var(--accent);background:var(--accent-bg)}
.viewer{position:relative;border:1px solid var(--line-2);border-radius:10px;background:var(--viewer-bg);overflow:hidden;height:min(60vh,520px);touch-action:none;cursor:grab}
.viewer.dragging{cursor:grabbing}
.viewer img{position:absolute;left:0;top:0;width:100%;height:auto;transform-origin:0 0;user-select:none;-webkit-user-drag:none}
/* Copy-prevention (deterrent only — see js/protection.js): lock selection on
   control chrome and figures, NOT on explanatory prose, so reading/study stays
   normal. Editable inputs are intentionally left selectable. */
.jp-topbar, .rail, .lab-map, .jp-chip, .jp-brand,
button, .figbtn, figure.fig img, .viewer, svg{
  -webkit-user-select:none; user-select:none;
}
figure.fig img, .figbtn img{ -webkit-user-drag:none; user-drag:none; }
input, textarea, select{ -webkit-user-select:text; user-select:text; }
.viewer .zl{position:absolute;right:.5rem;bottom:.45rem;font:600 .74rem var(--mono);background:rgba(5,8,12,.8);color:#fff;padding:.1rem .45rem;border-radius:6px;pointer-events:none}
.badge{display:inline-block;font:700 .7rem var(--mono);padding:.15rem .5rem;border-radius:6px;border:1px solid var(--line-2)}
.badge.orig{background:var(--ok-bg);color:var(--ok);border-color:var(--ok-line)} .badge.err{background:var(--warn-bg);color:var(--warn);border-color:var(--warn-line)}
.recs{max-height:62vh;overflow:auto}
.rec{border:1px solid var(--line);border-radius:8px;padding:.5rem .65rem;margin:.4rem 0;background:var(--surface-2);font-size:.85rem}
.rec .shown{font-family:var(--mono);font-size:.78rem;color:var(--danger);background:var(--danger-bg);padding:.05rem .3rem;border-radius:4px}
.rec .fixed{color:var(--ok)}

/* ===== Hydrodynamic Drag Assessment subsection (HD01–HD06), Oct 2026 =====
   Diagram colours come from the kit tokens; the six --hd-* scene tokens below
   are the only additions (water, floor, deck, swimmer, pads, rod), one set per theme.
   Inline-SVG <style> rules are global, so every SVG class is prefixed hd-. */
:root,:root[data-theme="dark"]{--hd-water:#0f2a40;--hd-floor:#1c2b3c;--hd-deck:#33465c;--hd-body:#c7d3e1;--hd-pad:#93a6bd;--hd-rod:#7d90a8}
:root[data-theme="light"]{--hd-water:#e3f1fa;--hd-floor:#d7dfe8;--hd-deck:#b9c6d4;--hd-body:#34445a;--hd-pad:#46566b;--hd-rod:#6b7a8c}
#hd-unit{margin-top:1.6rem;scroll-margin-top:8rem}
.hd-head h3{font-size:1.3rem}
.hd-key{display:flex;flex-wrap:wrap;gap:.35rem .9rem;margin:.5rem 0 0;font-size:.8rem;color:var(--ink-2)}
.hd-key .k{display:inline-flex;align-items:center;gap:.4rem}
.hd-key .k::before{content:"";display:inline-block;width:1.6rem;height:3px;border-radius:2px;background:currentColor}
.hd-key .k.v::before{background:var(--accent)} .hd-key .k.p::before{background:var(--ok)} .hd-key .k.d::before{background:var(--warn)}
.hd-key .k.r::before{background:var(--danger)} .hd-key .k.t::before{background:var(--info)} .hd-key .k.b::before{background:var(--gold)}
[role=tablist].hd-tabs [role=tab]{font-size:.86rem}
#hdPanel{scroll-margin-top:8rem}
#hd-unit sup.cite-next::before{content:",";color:var(--muted)}
#hdPanel h3{margin-top:.2rem}
.hd-figs{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:1rem;margin:.8rem 0 1rem}
figure.hd-fig{margin:0;min-width:0}
figure.hd-fig figcaption{font-size:.84rem;color:var(--muted);margin-top:.4rem;line-height:1.45}
.hd-figwrap{border:1px solid var(--line);border-radius:10px;background:var(--surface-2);overflow-x:auto;overflow-y:hidden}
/* Figures FIT the frame by default (whole diagram visible, no clipping). When fitted labels would be
   < ~9.5 px, js adds .is-small and shows a tools bar; "legible size" (.is-readable) sets a minimum width
   (--hd-legible ≈ 10 px labels) inside a bounded box that scrolls sideways — never the page. */
.hd-figwrap svg{display:block;width:100%;height:auto}
.hd-figwrap.is-readable svg,.hd-chart-plot.is-readable svg{min-width:var(--hd-legible,760px)}
.hd-figwrap.is-small{cursor:zoom-in}
/* Raster overview infographics (supplied PNGs, shown unmodified): fit the frame; legible mode = bounded sideways scroll */
.hd-figwrap img{display:block;width:100%;height:auto;max-width:none}
.hd-figwrap.is-readable img{min-width:var(--hd-legible,873px)}
.hd-figwrap:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.hd-photo{position:relative;border:1px solid var(--line-2);border-radius:10px;overflow:hidden;background:var(--viewer-bg);line-height:0}
.hd-photo img{display:block;width:100%;height:auto;-webkit-user-drag:none}
.hd-photo.hd-annot svg{position:absolute;inset:0;width:100%;height:100%}
.hd-block{margin:.6rem 0}
.hd-block h4,.hd-sub{margin-top:1rem;color:var(--heading)}
.hd-sub{font:700 .76rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent);border-top:1px solid var(--line);padding-top:.9rem}
.hd-eq{min-width:0;max-width:100%;overflow-x:auto;border:1px solid var(--line);border-left:4px solid var(--info);border-radius:0 10px 10px 0;background:var(--surface-2);padding:.65rem .85rem;margin:.7rem 0}
.hd-eq-head{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;justify-content:space-between;color:var(--heading)}
.hd-eq-body{font:600 1.08rem/1.5 "Cambria Math","STIX Two Math","Times New Roman",serif;color:var(--heading);padding:.55rem .2rem;overflow-x:auto;white-space:nowrap}
.hd-eq-body sub,.hd-eq-body sup{font-size:.7em}
table.hd-defs{font-size:.84rem;margin:.2rem 0 .3rem;background:var(--surface)}
table.hd-defs td:first-child{font-family:"Cambria Math","STIX Two Math","Times New Roman",serif;white-space:nowrap;color:var(--heading);font-weight:600}
table.hd-defs td:last-child{white-space:nowrap;font-family:var(--mono);font-size:.8rem}
.hd-eq-note{margin:.35rem 0 0}
.hd-calc h4,.hd-explorer h4{margin-top:0}
.hd-calc input[type=number]{font:inherit;width:9.5rem;max-width:100%;color:var(--ink);background:var(--surface-3);border:1px solid var(--line-2);border-radius:8px;padding:.38rem .5rem}
.hd-illus-tag{font:700 .7rem var(--mono);letter-spacing:.06em;color:var(--warn);margin:.1rem 0 .5rem}
.hd-out{font-size:.92rem;margin:.5rem 0;padding:.5rem .7rem;border-radius:8px;background:var(--surface);border:1px solid var(--line);overflow-wrap:anywhere}
.hd-out:empty{display:none}
.hd-slider{min-width:min(100%,220px);flex:1}
.hd-slider input[type=range]{width:100%;accent-color:var(--accent)}
.hd-slider output{font:700 .85rem var(--mono);color:var(--heading)}
.hd-check{display:inline-flex;gap:.45rem;align-items:flex-start;font-size:.88rem;color:var(--ink-2);margin:.25rem .9rem .25rem 0;cursor:pointer}
.hd-check input{margin-top:.2rem;accent-color:var(--accent)}
.hd-warn{color:var(--danger);font-weight:700} .hd-ok{color:var(--ok);font-weight:700}
.hd-chart{margin:0}
.hd-chart-plot{border:1px solid var(--line);border-radius:10px;background:var(--surface);overflow-x:auto}
.hd-chart-svg{display:block;width:100%;height:auto}
.hd-cols{border:1px solid var(--line);border-radius:8px;padding:.35rem .7rem;margin:.6rem 0}
.hd-cols legend{padding:0 .3rem}
#hdLens [role=radio]{border:0;background:transparent;border-radius:7px;padding:.38rem .75rem;color:var(--ink-2);font-size:.86rem}
#hdLens [role=radio][aria-checked=true]{background:var(--surface);color:var(--heading);font-weight:600;outline:1px solid var(--line-2);box-shadow:var(--shadow-sm)}
#hdLens{display:flex;flex-wrap:wrap;gap:.3rem;background:var(--surface-3);border:1px solid var(--line);padding:.3rem;border-radius:10px;margin:.4rem 0}
table.hd-xtable th[scope=row]{background:var(--surface-2);color:var(--heading);min-width:9rem}
table.hd-xtable tr.hd-row-meas th[scope=row]{box-shadow:inset 3px 0 0 var(--ok)}
table.hd-xtable tr.hd-row-est th[scope=row]{box-shadow:inset 3px 0 0 var(--info)}
table.hd-xtable tr.hd-row-ver th[scope=row]{box-shadow:inset 3px 0 0 var(--warn)}
.hd-scen .btnrow button.good{border-color:var(--ok);background:var(--ok-bg)}
.hd-scen .btnrow button.bad{border-color:var(--danger);background:var(--danger-bg)}
.hd-q{margin:.6rem 0}
ol.hd-steps{margin:.4rem 0 .6rem;padding-left:1.3rem} ol.hd-steps li{margin:.3rem 0}
.hd-example>.body{font-size:.94rem}
.hd-evd table{font-size:.84rem}
.evchip{display:inline-block;font:700 .66rem/1.3 var(--mono);letter-spacing:.03em;padding:.12rem .45rem;border-radius:99px;border:1px solid var(--line-2);color:var(--ink-2);background:var(--surface-3);white-space:nowrap;vertical-align:.1em}
.evchip.ev-full{color:var(--ok);background:var(--ok-bg);border-color:var(--ok-line)}
.evchip.ev-abstract{color:var(--accent);background:var(--accent-bg);border-color:var(--accent-line)}
.evchip.ev-derived{color:var(--info);background:var(--info-bg);border-color:var(--info-line)}
.evchip.ev-photo{color:var(--sky);background:var(--surface-3)}
.evchip.ev-illus{color:var(--warn);background:var(--warn-bg);border-color:var(--warn-line)}
.evchip.ev-pending{color:var(--danger);background:var(--danger-bg);border-color:var(--danger-line)}
.linkbtn{border:0;background:none;padding:0 .1rem;color:var(--link);font-size:.82rem;text-decoration:underline;cursor:pointer}
.linkbtn:hover{background:none;color:var(--accent)}
.flagnote{display:block;margin-top:.5rem;padding:.45rem .65rem;border-left:3px solid var(--warn);background:var(--warn-bg);border-radius:0 6px 6px 0;font-size:.9rem}
@media (max-width:760px){
  table.hd-xtable thead{display:none}
  table.hd-xtable,table.hd-xtable tbody,table.hd-xtable tr,table.hd-xtable th,table.hd-xtable td{display:block;width:100%}
  table.hd-xtable tr{border-bottom:2px solid var(--line-2)}
  table.hd-xtable tr[hidden],table.hd-xtable td[hidden]{display:none}
  table.hd-xtable td::before{content:attr(data-label);display:block;font:700 .68rem var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
  .hd-eq-body{font-size:1rem}
  table.hd-defs td:last-child{white-space:normal}
  table.hd-defs th,table.hd-defs td{padding:.4rem .4rem}
}
@media print{.hd-calc,.hd-chart .filters,.hd-explorer .hd-cols,#hdLens,.linkbtn{display:none!important}}

/* ===== HD integration pass (26 Oct 2026): signposting, reading guides, pending labels, phone view ===== */
[data-anchor]{scroll-margin-top:8rem}
/* Deep links move focus to the target heading for screen readers; headings are not controls, so no ring. */
h3[tabindex="-1"]:focus{outline:none}
.hd-pv{display:inline-block;font:700 .66rem/1.35 var(--mono);letter-spacing:.04em;padding:.12rem .45rem;border-radius:6px;color:var(--danger);background:var(--danger-bg);border:1px solid var(--danger-line);white-space:normal;vertical-align:.08em}
.hd-pv-note{margin:.2rem 0 .6rem}
.hd-signpost{border-left:4px solid var(--accent)}
.hd-signpost h3{margin-top:.15rem}
.hd-signlinks{gap:.45rem}
.hd-signlinks .btn{font-size:.88rem}
.hd-signlinks .btn.ghost{background:transparent;border-color:var(--line-2);color:var(--link)}
.hd-xlink{margin:.6rem 0 0;padding-top:.5rem;border-top:1px dashed var(--line)}
.hd-read{border:1px solid var(--line);border-left:4px solid var(--info);border-radius:0 10px 10px 0;background:var(--surface-2);margin:.55rem 0 0;font-size:.9rem}
.hd-read>summary{cursor:pointer;padding:.45rem .7rem;font-weight:700;color:var(--heading)}
.hd-read ul{margin:.1rem 0 .6rem;padding:0 .8rem 0 1.9rem}
.hd-read li{margin:.3rem 0}
.hd-explain{margin-top:.6rem;padding:.55rem .7rem;border:1px solid var(--line);border-radius:8px;background:var(--surface-2);font-size:.9rem}
.hd-figs-single{grid-template-columns:minmax(0,1fr)}
.hd-figwrap.is-readable,.hd-chart-plot.is-readable{overflow-x:auto;box-shadow:inset -14px 0 12px -10px var(--overlay)}
.hd-figtools{margin:.45rem 0 0;padding:.5rem .6rem;border:1px solid var(--accent-line);border-radius:8px;background:var(--accent-bg)}
.hd-figtools[hidden]{display:none}
.hd-figtools-msg{margin:0 0 .4rem;color:var(--ink-2)}
.hd-figtools .btnrow{gap:.4rem}
.hd-figtools .btn{font-size:.86rem;padding:.38rem .7rem}
/* Full-size viewer: a flex column — the toolbar is its own row, so it can never cover the diagram,
   and only the diagram area scrolls (two axes). */
dialog.hd-zoom{width:min(96vw,1200px);height:min(92vh,980px);max-height:none;max-width:none;padding:0;border:1px solid var(--line-2);border-radius:12px;background:var(--surface);color:var(--ink);overflow:hidden}
dialog.hd-zoom[open]{display:flex;flex-direction:column}
dialog.hd-zoom::backdrop{background:var(--overlay)}
.hd-zoom-head{flex:none;display:flex;flex-wrap:wrap;gap:.35rem .6rem;align-items:center;justify-content:space-between;padding:.45rem .6rem;border-bottom:1px solid var(--line);background:var(--surface)}
.hd-zoom-head h2{font-size:.92rem;line-height:1.3;margin:0;flex:1 1 14rem;min-width:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hd-zoom-tools{display:flex;flex-wrap:wrap;gap:.3rem;align-items:center}
.hd-zoom-tools button{padding:.32rem .6rem;min-width:2.4rem;min-height:2.2rem}
.hd-zoom-level{min-width:4.6rem;text-align:center;font-family:var(--mono)}
.hd-zoom-body{flex:1 1 auto;min-height:0;overflow:auto;background:#fff;overscroll-behavior:contain;touch-action:pan-x pan-y;-webkit-overflow-scrolling:touch;position:relative}
.hd-zoom-body.can-pan{cursor:grab} .hd-zoom-body.dragging{cursor:grabbing;user-select:none}
.hd-zoom-stage{display:flex;align-items:center;justify-content:center;min-width:100%;min-height:100%;width:max-content;height:max-content;padding:8px;box-sizing:border-box}
.hd-zoom-stage img{display:block;max-width:none;max-height:none;-webkit-user-drag:none}
.hd-zoom-body:focus-visible{outline:2px solid var(--focus);outline-offset:-2px}
.hd-zoom-help{flex:none;margin:0;padding:.3rem .6rem;border-top:1px solid var(--line);color:var(--muted);font-size:.74rem}
.hd-zoom-rotate{display:none}
@media (orientation:portrait) and (max-width:600px){.hd-zoom-rotate{display:inline}}
@media print{.hd-signpost,.hd-figtools,[data-hd-zoom]{display:none!important} .hd-figwrap svg{min-width:0}}

@media (max-width:1050px){.vis-layout{grid-template-columns:minmax(0,1fr)}.recs{max-height:none}}
@media (max-width:760px){.g2,.g3{grid-template-columns:minmax(0,1fr)}.rail{display:none}.progress-mini{display:none}}
@media (max-width:460px){body{font-size:15px}}
@media print{
  .rail,.labmap,.modnav,.btnrow,.jp-footer,.filters{display:none!important}
  section.view{display:none!important} section.view.active{display:block!important}
  .card,.tablewrap{border-color:#999;break-inside:avoid}
  .hero{background:#fff;color:#000;border:1px solid #999} .hero h1,.hero p{color:#000}
}

/* ---- Method at a glance (overview infographic + summary), HD01–HD04 ---- */
.hd-overview{margin:1rem 0 1.25rem;padding:.9rem;border:1px solid var(--accent-line);border-radius:12px;background:var(--surface)}
.hd-ov-head{display:flex;flex-wrap:wrap;gap:.5rem 1rem;align-items:center;justify-content:space-between;margin:0 0 .6rem}
.hd-ov-head h4{margin:0}
.hd-ov-nav{display:flex;flex-wrap:wrap;gap:.35rem}
.hd-ov-nav a{font-size:.82rem;line-height:1.2;padding:.3rem .65rem;border:1px solid var(--line-2);border-radius:999px;text-decoration:none;color:var(--ink-2)}
.hd-ov-nav a:hover{border-color:var(--accent-line)}
.hd-ov-nav a.is-current{background:var(--accent-bg);border-color:var(--accent-line);color:var(--ink);font-weight:600}
.hd-ov-fig{margin:0}
.hd-ov-notes{margin-top:.55rem}
.hd-ov-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));gap:.5rem;margin:.8rem 0 0}
.hd-ov-fact{padding:.55rem .7rem;border:1px solid var(--line);border-radius:8px;background:var(--surface-2);min-width:0}
.hd-ov-fact dt{font-weight:700;font-size:.86rem;margin:0 0 .15rem}
.hd-ov-fact dd{margin:0;font-size:.92rem;overflow-wrap:anywhere}
.hd-ov-deep{margin:.7rem 0 0}
@media print{.hd-ov-nav,.hd-ov-deep{display:none!important}}