/* Firmware field guides: presentation only. Original labs own their state. */
html{overflow-x:visible;scroll-padding-top:164px}
body{overflow-x:visible;--paper:#fcfaff;--paper-alt:#f8f4fc;--ink:#281d38;--navy:#2a1c40;--deep-navy:#1b142d;--muted:#70617d;--divider:#e1d5ed;--navy-divider:#4f3b68;--lavender:#f4ebfd;--purple:#7614d7;--purple-soft:#ae69e1;--magenta:#ca20b1;background:linear-gradient(135deg,#fcfaff,#fff 60%,#faf5fd)}
body[data-guide]{--guide-accent:#8425c8;--guide-accent-2:#c841ad;--guide-glow:#a038c522;--guide-soft:#a038c50b;--reading-shell:min(1180px,calc(100% - 48px))}
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main :is(h1,h2,h3,h4,p,li,dd,dt,code,button){overflow-wrap:anywhere}
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body[data-guide] .hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,.95fr);gap:36px;align-items:center}
body[data-guide] .hero h1{font-size:clamp(36px,4.3vw,58px);line-height:1.04;letter-spacing:-.047em;margin-bottom:22px}
body[data-guide] .hero-copy{max-width:none}
body[data-guide] .hero-principles{display:grid;grid-template-columns:minmax(0,1fr);gap:0;background:transparent;border:0;box-shadow:none}
body[data-guide] .hero-principles li{display:block;min-height:0;padding:12px 0 12px 16px;border:0;border-left:2px solid #c68ad9;background:transparent;border-radius:0}
body[data-guide] .hero-principles li+li{margin-top:8px}
body[data-guide] .hero-principles li::before{content:none}
body[data-guide] .discipline-nav a[href="/interview"]{display:inline-flex;align-items:center;align-self:center;gap:8px;height:44px;min-height:44px;padding:11px 14px;background:linear-gradient(110deg,#7000e7,#ca1eb9);border-radius:9px;color:white;font-size:12px}
body[data-guide] .hero-principles strong{display:block;color:#482859;font-size:14px;margin-bottom:3px}
body[data-guide] .hero-principles span{font-size:14px;line-height:1.55;color:#73607e}
body[data-guide] .coverage-map{padding:22px;border:1px solid #dcc4ed;border-radius:14px;box-shadow:0 12px 36px #54286b0a;background-color:#fbf6ff}
body[data-guide] .coverage-map-head{padding:0 0 16px;margin-bottom:12px;border-bottom:1px solid #ddcaec}
body[data-guide] .coverage-map-head h2{font-size:24px;letter-spacing:-.03em;color:#352143}
body[data-guide] .coverage-map ol{display:grid;grid-template-columns:1fr;gap:3px;background:#ffffffdb;border-radius:8px}
body[data-guide] .coverage-map li{border:0!important}
body[data-guide] .coverage-map li a{min-height:0;padding:10px;gap:12px;border-radius:7px;background:transparent}
body[data-guide] .coverage-map li a:hover{background:#efe0fa}
body[data-guide] .coverage-map .map-index{color:#8723bd;background:#f2e5fb}
body[data-guide] .coverage-map .map-copy strong{font-size:14px;color:#452756}
body[data-guide] .coverage-map .map-copy small{font-size:12px;line-height:1.4;color:#75637f}
body[data-guide] :is(.series-rail,.prev-next){gap:10px}
body[data-guide] .series-rail{grid-template-columns:repeat(5,minmax(0,1fr));overflow:visible;padding-bottom:0}
body[data-guide] .series-rail a{min-width:0;padding:15px;background:#fff;border:1px solid #decaed;border-radius:10px}
body[data-guide] .series-rail a[aria-current=page]{background:#f0e1fb;border-color:#c285e1;color:#6f159c}
body[data-guide] .series-rail strong{font-size:13px}
body[data-guide] .chapter{padding-block:44px}
body[data-guide] .chapter-grid{grid-template-columns:72px minmax(0,1fr);gap:24px}
body[data-guide] .chapter-index{position:static;border-color:#ddc5ec}
body[data-guide] .chapter-index span{font-size:26px;color:#8e35ba}
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body[data-guide] :is(.lab-card,.checkpoint){border-radius:14px;box-shadow:0 8px 30px #44266105}
body[data-guide] .lab-readout{border-left-width:3px;border-left-color:#ae66d1}
body[data-guide] :is(.signature-controls,.choice-rail,.scenario-rail,.step-rail,[data-choice-group]){display:flex;flex-wrap:wrap;overflow:visible;margin-right:0;padding-right:0;gap:8px}
body[data-guide] :is(.signature-controls,.choice-rail,.scenario-rail,.step-rail,[data-choice-group])>button{min-width:0;max-width:100%;flex:1 1 145px;white-space:normal;min-height:44px}
body[data-guide] .signature-explorer{padding:26px;border-radius:16px;box-shadow:0 14px 45px #4a246813}
body[data-guide] .signature-visual{overflow:visible;padding:20px}
body[data-guide] .signature-scroll{overflow:visible;padding:0;min-width:0}
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body[data-guide] .signature-flow .signature-node{min-width:0;padding:14px}
body[data-guide] .signature-flow .signature-node::after{content:none}
body[data-guide] :is(.signature-inspector,.signature-inspector dl){min-width:0}
body[data-guide] .actor-timeline{min-width:0}
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body[data-guide] .actor-event{min-width:0;padding:7px 5px;font-size:11px;overflow-wrap:anywhere}
body[data-guide] .address-word{min-width:0;width:100%;grid-template-columns:repeat(3,minmax(0,1fr));overflow:visible}
body[data-guide] .address-field{min-width:0;padding:12px}
body[data-guide] .address-field :is(strong,span){overflow-wrap:anywhere}
body[data-guide] #mmio-signature-target{overflow-wrap:anywhere}
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body[data-guide] :is(.waveform,.wave-grid){min-width:0;width:100%;padding:16px}
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body[data-guide] .wave-axis{margin-left:120px;font-size:10px}
body[data-guide] table{width:100%;min-width:0;table-layout:fixed;font-size:13px}
body[data-guide] :is(td,th){min-width:0;width:auto;white-space:normal;overflow-wrap:anywhere;padding:12px 10px}
body[data-guide] :is(pre,.code-body){white-space:pre-wrap;overflow-wrap:anywhere;min-width:0;max-width:100%}
.fw-guide-nav{position:sticky;top:var(--header-height,88px);z-index:60;width:min(1180px,calc(100% - 48px));margin:18px auto 0;padding:10px 14px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;background:#fffcffed;border:1px solid #e1cdef;border-radius:10px;box-shadow:0 5px 20px #56257208;backdrop-filter:blur(14px);font-size:12px;color:#784295}
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/* The interrupt guide keeps its original body and scripts; refit existing art. */
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body:not([data-guide]) .editorial-art>*{min-width:0;max-width:100%}
body:not([data-guide]) .hero-shell{row-gap:28px}
body:not([data-guide]) .firmware-series-panel{border-color:#d9bce9;background:#faf3ff;border-radius:14px}
body:not([data-guide]) .firmware-series-rail a{border-color:#dcc4ed}
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body:not([data-guide]) .firmware-series-rail a[aria-current=page] span{color:#7d389f}
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 body[data-guide] .hero-grid{grid-template-columns:1fr;gap:26px}
 body[data-guide] .hero-principles{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
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 body[data-guide] .series-rail{grid-template-columns:repeat(3,minmax(0,1fr))}
 body[data-guide] .chapter-grid{grid-template-columns:1fr;gap:12px}
 body[data-guide] .chapter-index{margin:0;display:flex;gap:8px;align-items:center}
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 body[data-guide] .signature-inspector{grid-template-columns:1fr}
 body[data-guide] .signature-inspector dl{grid-column:auto;grid-row:auto;grid-template-columns:1fr;gap:10px}
 body[data-guide] .actor-axis{display:none}
 body[data-guide] .actor-lane{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
 body[data-guide] .actor-lane>span:first-child{grid-column:1/-1;text-align:left;padding-block:10px}
 body[data-guide] .actor-event::before{content:attr(data-time-label);display:block;color:#dba9f4;font-size:11px;margin-bottom:5px}
 .fw-guide-nav details>div{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
 html{scroll-padding-top:198px}
 body[data-guide]{--reading-shell:calc(100% - 28px)}
 body[data-guide] .hero{padding-top:28px}
 body[data-guide] .hero h1{font-size:36px}
 body[data-guide] .hero-principles{grid-template-columns:1fr}
 body[data-guide] .coverage-map{padding:16px}
 body[data-guide] .coverage-map ol{grid-template-columns:1fr}
 body[data-guide] .signature-explorer{padding:16px;margin-inline:0}
 body[data-guide] :is(.signature-visual,.signature-inspector,.lab-card){padding:16px}
 body[data-guide] :is(.signature-flow,.evidence-ladder){grid-template-columns:repeat(2,minmax(0,1fr))}
 body[data-guide] .series-rail{grid-template-columns:1fr 1fr}
 body[data-guide] .address-word{grid-template-columns:1fr}
 body[data-guide] .info-card:not(:last-child)::after{content:none!important}
 body[data-guide] .evidence-gate:not(:last-child)::after{content:none}
 body[data-guide] .wave-row{grid-template-columns:1fr;gap:4px;padding-block:8px}
 body[data-guide] .wave-axis{margin-left:0;font-size:10px}
 body[data-guide] table.fw-fit-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
 body[data-guide] table.fw-fit-table tbody{display:block}
 body[data-guide] table.fw-fit-table tbody tr{display:grid;grid-template-columns:1fr;margin-bottom:16px;border:1px solid #decde8;border-radius:8px;overflow:visible;background:white}
 body[data-guide] table.fw-fit-table tbody td{display:block;position:static;padding:10px 12px;min-width:0;max-width:100%;font-size:14px;text-align:left}
 body[data-guide] table.fw-fit-table tbody td::before{content:attr(data-column-label);display:block;font-size:10px;font-weight:800;letter-spacing:.04em;color:#9650b8;margin-bottom:4px}
 .fw-guide-nav{width:calc(100% - 28px);gap:10px;font-size:11px;padding:8px 10px;grid-template-columns:1fr 1fr}
 .fw-guide-nav details{grid-column:1/-1;grid-row:2;border-top:1px solid #e9d8f3;padding-top:4px}
 .fw-guide-nav>a:last-child{grid-column:2;grid-row:1}.fw-guide-nav details>div{grid-template-columns:1fr;max-height:60vh;overflow-y:auto}
 body:not([data-guide]) .editorial-art{grid-template-columns:1fr}
}
@media(max-width:380px){body[data-guide] :is(.signature-flow,.evidence-ladder,.actor-lane,.series-rail){grid-template-columns:1fr}}
@media print{.fw-guide-nav{position:static;display:none}}