/* SPDX-License-Identifier: MIT */
/* Copyright (c) 2026 The RadioFoundry Authors */
/* Layout and components. Values come from tokens.css; this file holds structure only. */

*, *::before, *::after { box-sizing: border-box; }
html { font-size: var(--font-size); -webkit-text-size-adjust: 100%; }
body {
	margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-sans); line-height: var(--line);
	overflow-x: hidden;
	/* the footer stays at the bottom of a short page */
	min-height: 100vh; display: flex; flex-direction: column;
}
main { flex: 1; }
img, svg { max-width: 100%; height: auto; }
a { color: var(--link); text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 3px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 var(--space-3); }
h1 { font-size: var(--h1); letter-spacing: -0.02em; }
h2 { font-size: var(--h2); letter-spacing: -0.01em; }
h3 { font-size: var(--h3); }
p { margin: 0 0 var(--space-3); }
code, pre { font-family: var(--font-mono); font-size: 0.88em; }
code { background: var(--code-bg); padding: 0.05em 0.35em; border-radius: 5px; }
pre { background: var(--code-bg); padding: var(--space-4); border-radius: var(--radius-sm); overflow-x: auto; line-height: 1.45; }
pre code { background: none; padding: 0; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--space-4) var(--gutter); }
/* one gap between stacked sections, not two; a section's last paragraph adds none */
.section + .section { padding-top: 0; }
.section > :last-child { margin-bottom: 0; }
/* the title block of an inner page: one heading and one line, then the content */
.page-head { padding-bottom: var(--space-2); }
.page-head h1 { margin-bottom: var(--space-1); }
.page-head .lead { font-size: 1rem; margin: 0; }
/* the flasher once a task runs: the steps take the room the introduction had */
.page-head.compact h1 { font-size: var(--h2); margin: 0; }
.page-head.compact .lead { display: none; }
.page-head + .section { padding-top: var(--space-2); }
.wrap.section { padding-left: var(--gutter); padding-right: var(--gutter); }
[hidden] { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: var(--text-sm); }
.lead { font-size: var(--text-lg); color: var(--muted); max-width: 46rem; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; font-size: var(--text-sm); color: var(--muted); font-weight: 600; margin-bottom: var(--space-2); }
.sr, .skip:not(:focus) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip:focus { position: fixed; top: var(--space-2); left: var(--space-2); background: var(--surface); padding: var(--space-2) var(--space-4); z-index: 10; }
.notice { background: var(--warn-soft); border-left: 4px solid var(--warn); padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); }
.notice.info { background: var(--info-soft); border-color: var(--link); }
.notice.ok { background: var(--ok-soft); border-color: var(--ok); }
.notice.bad { background: var(--bad-soft); border-color: var(--bad); }

/* header and footer */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.header-row { display: flex; align-items: center; gap: var(--space-5); min-height: 52px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: var(--space-2); color: var(--text); text-decoration: none; font-size: 1.1rem; font-weight: 500; }
.brand b { color: var(--accent); font-weight: 700; }
.site-nav { display: flex; gap: var(--space-1); flex: 1; }
.site-nav a { color: var(--text); text-decoration: none; padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); font-weight: 500; }
.site-nav a:hover { background: var(--surface-2); }
.site-nav a[aria-current] { background: var(--accent-soft); color: var(--accent); }
.header-tools { display: flex; align-items: center; gap: var(--space-3); }
.lang-switch a { margin-left: var(--space-2); }
.lang-switch a[aria-current] { font-weight: 700; text-decoration: none; color: var(--text); }
.theme-toggle, .nav-toggle {
	background: var(--surface-2); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius-sm);
	min-width: 44px; min-height: 40px; font: inherit; cursor: pointer;
}
.nav-toggle { display: none; padding: 0 var(--space-3); }
@media (max-width: 760px) {
	/* brand, menu and theme on one row; the open menu below them */
	.header-row { gap: var(--space-3); }
	.nav-toggle { display: inline-block; margin-left: auto; }
	.site-nav { display: none; flex-basis: 100%; flex-direction: column; padding-bottom: var(--space-3); order: 2; }
	.site-nav.open { display: flex; }
	.header-tools { order: 1; }
}
.site-footer { border-top: 1px solid var(--border); margin-top: var(--space-5); padding: var(--space-4) 0; background: var(--surface); }
.footer-row { display: flex; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.footer-row p { margin: 0; }
.build-stamp { flex: 1 1 auto; text-align: end; align-self: flex-end; font-size: var(--text-xs); color: var(--faint); font-family: var(--font-mono); }
.build-stamp a { color: inherit; text-decoration: none; }

/* buttons */
.btn {
	display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
	padding: 0.4rem 0.95rem; min-height: 36px; border-radius: var(--radius-sm); border: 1px solid var(--border);
	background: var(--surface); color: var(--text); text-decoration: none; font: inherit; font-weight: 600; cursor: pointer;
}
.btn:hover { background: var(--surface-2); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn-primary:hover { background: var(--accent); filter: brightness(1.08); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-danger { border-color: var(--bad); color: var(--bad); }
.actions { display: flex; gap: var(--space-2); flex-wrap: wrap; margin: var(--space-3) 0; }
.btn-quiet { border-color: transparent; background: transparent; color: var(--muted); }
/* the flasher's one row of buttons under a step: back and start over on the left, the way forward on the right */
.nav-bar { position: sticky; bottom: 0; z-index: 2; display: flex; gap: var(--space-3) var(--space-4); align-items: center; flex-wrap: wrap; margin-top: var(--space-4); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-2) var(--space-3); box-shadow: var(--shadow); }
.nav-back { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.nav-info { flex: 1; min-width: 12rem; }
.nav-info:empty { min-width: 0; }
.nav-forward { margin-left: auto; display: flex; gap: var(--space-2); flex-wrap: wrap; justify-content: flex-end; }
.notice > :last-child { margin-bottom: 0; }
.notice.action { display: grid; gap: var(--space-3); }
.notice.action ul, .notice.action p { margin: 0; }
details.notice > summary { font-weight: 600; }

/* hero */
.hero { background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%); border-bottom: 1px solid var(--border); }
.hero-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--space-6); align-items: center; padding-top: var(--space-5); padding-bottom: var(--space-5); }
/* the home page's screenshot carousel: a row that scrolls and snaps by itself (touch, trackpad, arrow keys on the
   focused row); site.js adds the buttons and the position. Every screen is one height, whatever its display. */
.carousel { --shot-h: 176px; min-width: 0; }
.carousel-track {
	display: flex; gap: var(--space-4); overflow-x: auto; overscroll-behavior-x: contain;
	scroll-snap-type: x mandatory; scroll-padding-inline: 2px; padding: 2px 2px var(--space-2);
	scrollbar-width: thin;
}
.carousel-slide { flex: none; margin: 0; width: min-content; scroll-snap-align: start; }
.carousel-slide img { display: block; height: var(--shot-h); width: auto; max-width: none; border: 1px solid var(--border); border-radius: 6px; }
/* small displays are scaled up: keep their pixels square instead of blurred */
.carousel-slide img.px { image-rendering: pixelated; }
.carousel-slide figcaption {
	margin-top: var(--space-1); font-size: var(--text-xs); color: var(--muted); line-height: 1.35;
	display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.carousel-controls { display: flex; align-items: center; justify-content: center; gap: var(--space-3); margin-top: var(--space-2); }
.carousel-controls button {
	min-width: 44px; min-height: 40px; font: inherit; font-size: 1.4rem; line-height: 1; cursor: pointer;
	background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.carousel-controls button:hover:not(:disabled) { background: var(--surface-2); }
.carousel-controls button:disabled { opacity: 0.4; cursor: default; }
.carousel-pos { min-width: 7em; text-align: center; font-variant-numeric: tabular-nums; }
@media (prefers-reduced-motion: no-preference) { .carousel-track { scroll-behavior: smooth; } }
@media (max-width: 560px) { .carousel { --shot-h: 150px; } }
.hero-device img { max-height: 440px; display: block; margin: 0 auto; filter: drop-shadow(0 18px 30px rgb(0 0 0 / 25%)); }
.facts { display: flex; gap: var(--space-5); list-style: none; padding: 0; margin: 0; flex-wrap: wrap; color: var(--muted); }
.facts b { color: var(--text); font-size: 1.3rem; }
.feature-rows { margin: var(--space-4) 0 0; border-top: 1px solid var(--border); }
.feature-rows > div { display: grid; grid-template-columns: 5.5rem 1fr; gap: var(--space-4); padding: var(--space-3) 0; border-bottom: 1px solid var(--border); }
.feature-rows dt { font-weight: 700; color: var(--accent); }
.feature-rows dd { margin: 0; font-size: var(--text-sm); }
.features-all { margin: var(--space-3) 0 0; font-weight: 600; }
@media (max-width: 560px) { .feature-rows > div { grid-template-columns: 1fr; gap: var(--space-1); } }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } .hero-device img { max-height: 360px; } }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--space-4); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-4); box-shadow: var(--shadow); }
.card h3 { margin-bottom: var(--space-2); }
.card > :last-child { margin-bottom: 0; }
.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: var(--space-4); }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-4); flex-wrap: wrap; }
.radio-card { display: grid; grid-template-rows: 170px auto; gap: var(--space-4); color: var(--text); text-decoration: none; justify-items: center; text-align: center; }
.radio-card:hover { border-color: var(--accent); }
.radio-card img { height: 170px; width: 100%; object-fit: contain; }
.radio-card > div { min-width: 0; overflow-wrap: anywhere; }
.radio-card .badge { white-space: normal; }
.radio-list td:nth-child(3), .radio-list td:nth-child(4) { min-width: 8.5rem; }
.radio-card p { margin-bottom: var(--space-2); }
.dev-grid { display: grid; grid-template-columns: 2fr 1fr; gap: var(--space-4); align-items: start; }
@media (max-width: 720px) { .dev-grid { grid-template-columns: 1fr; } }
.dev-list { list-style: none; margin: 0; padding: 0; }
.dev-list li { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); padding: var(--space-2) 0; border-bottom: 1px solid var(--border); }
/* a long model list wraps, then clips after two lines */
.dev-name { min-width: 0; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
.dev-list .badge { flex: none; }
.dev-list .dev-more { justify-content: flex-start; color: var(--muted); }
.dev-list li:last-child { border-bottom: 0; }
.badge { display: inline-block; font-size: var(--text-sm); font-weight: 600; padding: 0.1em 0.6em; border-radius: 999px; white-space: nowrap; }
.badge-supported { background: var(--ok-soft); color: var(--ok); }
.badge-testing { background: var(--warn-soft); color: var(--warn); }
.badge-in_progress { background: var(--warn-soft); color: var(--warn); }
.badge-planned { background: var(--surface-2); color: var(--muted); }
.chip { display: inline-block; font-size: 0.75rem; padding: 0 0.5em; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); font-weight: 500; }
.chip-out { border-style: dashed; }

/* tables */
.table-wrap { overflow-x: auto; margin: 0 0 var(--space-4); border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--border); vertical-align: top; }
thead th { background: var(--surface-2); font-size: var(--text-sm); white-space: nowrap; }
tr:last-child > td, tr:last-child > th { border-bottom: 0; }
.data tbody th { font-weight: 500; }
.matrix td { text-align: center; width: 6.5rem; }
.matrix tr.group th { background: var(--surface-2); font-weight: 700; padding-top: var(--space-3); }
.matrix code { margin-left: var(--space-2); font-size: 0.72rem; color: var(--muted); }
.st { font-size: 1.1rem; }
.st-on { color: var(--ok); }
.st-off { color: var(--muted); }
.st-na { color: var(--bad); opacity: 0.7; }
.st-nw { color: var(--muted); }
.kv th { width: 35%; color: var(--muted); }
details summary { cursor: pointer; }
details p { margin: var(--space-2) 0 0; font-weight: 400; }
.toc-inline { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); margin-bottom: var(--space-4); }
.filter-bar input { font: inherit; padding: var(--space-2) var(--space-3); border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); color: var(--text); width: min(100%, 360px); margin-bottom: var(--space-3); }

/* radio page */
.radio-head { display: grid; grid-template-columns: minmax(220px, 360px) 1fr; gap: var(--space-6); align-items: start; }
.device-frame { position: relative; margin: 0 auto; width: 100%; max-width: 260px; filter: drop-shadow(0 14px 24px rgb(0 0 0 / 22%)); }
.device-frame .device-body { display: block; width: 100%; height: 100%; }
.device-frame .device-screen { position: absolute; image-rendering: pixelated; }
@media (max-width: 860px) { .device-frame { max-width: 260px; } }
.radio-device figcaption { text-align: center; margin-top: var(--space-2); }
.specs { display: grid; grid-template-columns: max-content 1fr; gap: var(--space-1) var(--space-4); margin: var(--space-4) 0; }
.specs dt { color: var(--muted); }
.specs dd { margin: 0; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
@media (max-width: 860px) { .radio-head, .two-col { grid-template-columns: 1fr; } }
.shots { display: grid; grid-template-columns: repeat(3, minmax(0, 240px)); gap: var(--space-4); }
.shot { margin: 0; text-align: center; }
.shot-show { padding: 0; border: 2px solid transparent; border-radius: 8px; background: none; cursor: pointer; display: block; width: 100%; }
.shot-show:hover, .shot-show[aria-pressed="true"] { border-color: var(--accent); }
.shot img { width: 100%; box-sizing: border-box;
	image-rendering: pixelated; border-radius: 6px; background: #000; padding: 6px; display: block; height: auto;
}
.shot figcaption { font-size: var(--text-sm); color: var(--muted); max-width: 22ch; margin: var(--space-1) auto 0; }
.shots-all { margin-top: var(--space-4); }
.steps li, .links li { margin-bottom: var(--space-2); }

/* screenshots page: one radio's section at a time. Without the script CSS picks it: the one the address names
   (#<radio>, :target), else the first. With it, site.js marks the chosen one (.is-current) and the links. */
.screens-bar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3) var(--space-5); margin-bottom: var(--space-2); }
.radio-pick { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.radio-pick a {
	display: inline-flex; align-items: center; min-height: 40px; padding: var(--space-1) var(--space-3);
	border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); color: var(--text);
	text-decoration: none; font-weight: 500;
}
.radio-pick a:hover { background: var(--surface-2); }
.radio-pick a[aria-current="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.variants-toggle { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--muted); cursor: pointer; }
.variants-toggle input { width: 1.1rem; height: 1.1rem; margin: 0; accent-color: var(--accent); }
/* the browser scrolls a link to #<radio> to its section; the large margin keeps the page at its top, picker in view */
.rshots { display: none; scroll-margin-top: 30rem; }
.rshots h2 { margin: var(--space-4) 0 var(--space-1); }
.rshots h3 { margin: var(--space-5) 0 var(--space-3); }
.rshots-all:not(.js) .rshots:first-child, .rshots-all:not(.js) .rshots:target { display: block; }
.rshots-all:not(.js):has(.rshots:target) .rshots:first-child:not(:target) { display: none; }
.rshots-all.js .rshots.is-current { display: block; }
/* each radio's screens at one width (--shot-w, set per section), as many to a row as fit */
.gshots { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, var(--shot-w)), var(--shot-w))); gap: var(--space-5) var(--space-4); }
.gshot { margin: 0; }
.gshot img { display: block; width: 100%; height: auto; border: 1px solid var(--border); border-radius: 6px; background: #000; }
.gshot img.px { image-rendering: pixelated; }
.gshot figcaption { margin-top: var(--space-1); font-size: var(--text-sm); color: var(--muted); line-height: 1.35; }
/* a color page's shots in other highlight colors and themes: only when asked for (no script needed) */
.gshot-variant { display: none; }
.screens-page:has(#show-variants:checked) .gshot-variant { display: block; }

/* docs */
.doc-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr) 200px; gap: var(--space-6); padding-top: var(--space-5); }
.doc-side, .doc-toc { position: sticky; top: 80px; align-self: start; max-height: calc(100vh - 100px); overflow-y: auto; font-size: var(--text-sm); }
.doc-side ul, .doc-toc ul { list-style: none; padding: 0; margin: 0; }
.doc-side li a, .doc-toc li a { display: block; padding: 0.25rem 0.5rem; border-radius: 5px; text-decoration: none; color: var(--muted); }
.doc-side li a[aria-current] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.doc-toc li.l3 a { padding-left: 1.25rem; }
@media (max-width: 1100px) { .doc-layout { grid-template-columns: 220px minmax(0, 1fr); } .doc-toc { display: none; } }
@media (max-width: 760px) { .doc-layout { grid-template-columns: 1fr; } .doc-side { position: static; max-height: none; } }
.prose { max-width: 50rem; }
.prose h2 { margin-top: var(--space-6); }
.prose h3 { margin-top: var(--space-5); }
.prose img { image-rendering: pixelated; }
.prose table { font-size: 0.92rem; }
.prev-next { display: flex; justify-content: space-between; gap: var(--space-4); margin: var(--space-6) 0 var(--space-4); }
.prev-next a { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: var(--space-3) var(--space-4); text-decoration: none; }
.prev-next .prev::before { content: "← "; }
.prev-next .next { margin-left: auto; }
.prev-next .next::after { content: " →"; }
.docs-sections .links { columns: 1; padding-left: 1.1rem; }

/* tools */
.drop { display: block; border: 2px dashed var(--border); border-radius: var(--radius); padding: var(--space-5); text-align: center; cursor: pointer; color: var(--muted); }
.drop input { display: block; margin: 0 auto var(--space-2); }

/* flasher */
.flasher { display: grid; gap: var(--space-3); }
.flasher > :last-child, .flasher > :last-child > :last-child { margin-bottom: 0; }
/* what the flasher sends: always on screen under every step */
.flash-log { margin-bottom: var(--space-3); color: var(--muted); }
.flash-log p { margin: 0; max-width: 90ch; }
.flash-log summary { cursor: pointer; }
.stepper { display: flex; gap: var(--space-2); list-style: none; padding: 0; margin: 0; flex-wrap: wrap; counter-reset: step; }
.stepper li { counter-increment: step; display: flex; align-items: center; gap: var(--space-2); color: var(--muted); font-size: var(--text-sm); font-weight: 600; padding: var(--space-1) var(--space-3) var(--space-1) var(--space-1); border-radius: 999px; background: var(--surface); border: 1px solid var(--border); }
.stepper li::before { content: counter(step); width: 1.35rem; height: 1.35rem; border-radius: 50%; display: inline-grid; place-items: center; background: var(--surface-2); color: var(--muted); }
.stepper li[aria-current] { color: var(--text); border-color: var(--accent); }
.stepper li[aria-current]::before { background: var(--accent); color: var(--accent-text); }
.stepper li.done::before { content: "✓"; background: var(--ok-soft); color: var(--ok); }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-4); box-shadow: var(--shadow); }
.panel h2 { margin-bottom: var(--space-3); }
.panel > :last-child { margin-bottom: 0; }
.choice-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: var(--space-2); }
.choice {
	display: block; text-align: left; font: inherit; color: var(--text); background: var(--surface); border: 2px solid var(--border);
	border-radius: var(--radius); padding: var(--space-3); cursor: pointer; position: relative;
	display: flex; flex-direction: column; justify-content: flex-start; align-items: stretch;
}
.choice:hover { border-color: var(--muted); }
.choice[aria-pressed="true"], .choice[aria-checked="true"] { border-color: var(--accent); background: var(--accent-soft); }
.choice:disabled { opacity: 0.55; cursor: not-allowed; }
.choice img { max-height: 80px; display: block; margin: 0 auto var(--space-3); }
.choice strong { display: block; font-size: 1rem; }
.choice .small { display: block; margin-top: var(--space-1); }
.feature-groups { display: grid; gap: var(--space-1); }
.feature-group { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0 var(--space-3); }
.feature-group[open] { padding-bottom: var(--space-2); }
.feature-group > summary { display: flex; justify-content: space-between; gap: var(--space-4); padding: var(--space-2) 0; font-weight: 600; }
.feature-group[open] > summary { border-bottom: 1px solid var(--border); margin-bottom: var(--space-1); }
.feature-group .group-count { font-weight: 400; font-variant-numeric: tabular-nums; white-space: nowrap; }
.toggle { display: grid; grid-template-columns: auto 1fr auto; gap: var(--space-2); align-items: baseline; padding: 0.15rem 0; }
.toggle .feature { position: relative; }
.toggle .feature > label { cursor: pointer; }
.toggle .info {
	width: 1.25rem; height: 1.25rem; border-radius: 50%; border: 1.5px solid var(--muted); background: none; color: var(--muted);
	font: italic 700 0.75rem/1 Georgia, serif; padding: 0; cursor: pointer; display: inline-grid; place-items: center;
	margin-left: 0.4em; vertical-align: 0.1em;
}
.toggle .info:hover, .toggle .info[aria-expanded="true"] { border-color: var(--accent); color: var(--accent); }
.toggle .tip {
	position: absolute; z-index: 4; top: 100%; left: 0; width: min(30rem, 90vw); margin-top: var(--space-1);
	background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow);
	padding: var(--space-3) var(--space-4); font-size: var(--text-sm); line-height: 1.45;
}
.toggle .tip p { margin: 0 0 var(--space-2); }
.toggle .tip .kv-list { margin: 0; }
/* a feature this radio can't run: listed, grayed and struck through; the ⓘ still opens and says why */
.toggle.unsupported > .feature > label, .toggle.unsupported > code { color: var(--muted); text-decoration: line-through; cursor: default; }
.toggle.unsupported > .feature > .why { color: var(--muted); }
.toggle .tip .tip-na { font-weight: 600; }
.toggle { padding-left: calc(var(--depth, 0) * 1.6rem); }
.toggle input { width: 1.1rem; height: 1.1rem; margin: 0; align-self: start; margin-top: 0.3rem; accent-color: var(--accent); }
.toggle .why { display: block; color: var(--muted); font-size: var(--text-sm); line-height: 1.35; }
.toggle code { color: var(--muted); background: none; }
.toggle.changed { background: var(--accent-soft); border-radius: 6px; }
.toggle.na { opacity: 0.55; }
.summary-bar { position: sticky; bottom: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-3) var(--space-4); display: flex; gap: var(--space-4); align-items: center; justify-content: space-between; flex-wrap: wrap; box-shadow: var(--shadow); }
.kv-list { display: grid; grid-template-columns: max-content 1fr; gap: var(--space-1) var(--space-4); margin: 0 0 var(--space-4); }
.kv-list dt { color: var(--muted); }
.kv-list dd { margin: 0; overflow-wrap: anywhere; }
@media (max-width: 520px) { .kv-list { grid-template-columns: 1fr; gap: 0; } .kv-list dd { margin-bottom: var(--space-2); } }
.progress { width: 100%; height: 14px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--accent); width: 0; transition: width 0.2s; }
.log { background: var(--code-bg); border-radius: var(--radius-sm); padding: var(--space-3); font-family: var(--font-mono); font-size: 0.8rem; max-height: 260px; overflow-y: auto; white-space: pre-wrap; margin: 0; }
.plan td, .plan th { font-family: var(--font-mono); font-size: 0.8rem; white-space: nowrap; }
.plan .write { color: var(--accent); font-weight: 700; }
.plan .keep { color: var(--ok); }
.file-pick { display: flex; gap: var(--space-3); align-items: center; flex-wrap: wrap; margin: var(--space-3) 0; }
.panel h3 { margin: var(--space-4) 0 var(--space-2); }
/* the group headings are accordions: a chevron that turns when open, the whole heading clickable */
.feature-group > summary { list-style: none; cursor: pointer; }
.feature-group > summary::-webkit-details-marker { display: none; }
.feature-group > summary .group-name { display: inline-flex; align-items: center; gap: var(--space-2); }
.feature-group > summary .group-name::before {
	content: ""; width: 0.5em; height: 0.5em; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
	transform: rotate(-45deg); transition: transform 0.15s ease; flex: none; margin-right: 0.15em;
}
.feature-group[open] > summary .group-name::before { transform: rotate(45deg); }
.feature-group > summary:hover .group-name { color: var(--accent); }
@media (prefers-reduced-motion: reduce) { .feature-group > summary .group-name::before { transition: none; } }

/* flasher, HR_C7000 radios: the radio's top with its LED, the program memory map, the checklist (c7000ui.js) */
.c7-grid { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: var(--space-5); align-items: start; }
@media (max-width: 760px) { .c7-grid { grid-template-columns: 1fr; } .c7-grid .radio-top { order: -1; max-width: 240px; margin: 0 auto; } .c7-grid .rt-svg { max-width: 170px; } }
.radio-top { margin: 0; text-align: center; }
.rt-svg { width: 100%; max-width: 210px; height: auto; display: block; margin: 0 auto; }
.rt-label { font: 700 14px var(--font-sans); fill: var(--text); }
.radio-top[data-led="off"] .rt-led-callout { display: none; }
.rt-callout { stroke: var(--muted); stroke-width: 1.2; stroke-dasharray: 3 3; }
.rt-screen { fill: #0b0d10; stroke: #000; }
.radio-top[data-screen="loader"] .rt-screen { fill: #c9d6c2; }
.radio-top[data-screen="on"] .rt-screen { fill: #1d3550; }
.rt-screen-text { font: 700 12px var(--font-sans); fill: #1b1e22; }
.rt-screen-text.small { font-weight: 500; font-size: 10px; }
.radio-top[data-screen="on"] .rt-screen-text { fill: #e8f0f8; font-size: 13px; }
.rt-led { fill: #3a3d42; stroke: #000; stroke-width: 1; }
.rt-glow { fill: transparent; }
.rt-arrow { stroke: var(--accent); }
.rt-arrow-head { fill: var(--accent); }
.rt-knob-turn { opacity: 0; }
.radio-top[data-knob="cycle"] .rt-knob-turn, .radio-top[data-knob="on"] .rt-knob-turn { opacity: 1; animation: rt-pulse 1.6s ease-in-out infinite; }
.rt-caption { display: grid; gap: var(--space-1); font-size: var(--text-sm); margin: var(--space-2) 0 0; }
.rt-caption span:first-child { font-weight: 600; }
.radio-top[data-led="wait"] .rt-led, .radio-top[data-led="wait"] .rt-glow { animation: rt-orange 1s steps(1) infinite; }
.radio-top[data-led="busy"] .rt-led, .radio-top[data-led="busy"] .rt-glow { animation: rt-orange 0.25s steps(1) infinite; }
.radio-top[data-led="done"] .rt-led, .radio-top[data-led="done"] .rt-glow { animation: rt-green 0.3s steps(1) 3; }
.radio-top[data-led="green"] .rt-led { fill: #3fe060; }
.radio-top[data-led="green"] .rt-glow { fill: rgb(63 224 96 / 35%); }
@keyframes rt-orange { 0% { fill: #ff8a1f; } 50% { fill: #3a3d42; } }
@keyframes rt-green { 0% { fill: #3fe060; } 50% { fill: #3a3d42; } }
.rt-glow { animation-name: none; }
.radio-top[data-led="wait"] .rt-glow, .radio-top[data-led="busy"] .rt-glow { animation-name: rt-orange-glow; }
.radio-top[data-led="done"] .rt-glow { animation-name: rt-green-glow; }
@keyframes rt-orange-glow { 0% { fill: rgb(255 138 31 / 40%); } 50% { fill: transparent; } }
@keyframes rt-green-glow { 0% { fill: rgb(63 224 96 / 40%); } 50% { fill: transparent; } }
@keyframes rt-pulse { 50% { opacity: 0.35; } }
@media (prefers-reduced-motion: reduce) {
	/* no blinking on the page: the LED shows its color and the caption says how the real one blinks */
	.radio-top .rt-led, .radio-top .rt-glow, .rt-knob-turn { animation: none !important; }
	.radio-top[data-led="wait"] .rt-led, .radio-top[data-led="busy"] .rt-led { fill: #ff8a1f; }
	.radio-top[data-led="done"] .rt-led { fill: #3fe060; }
}
.c7-checks { list-style: none; padding: 0; margin: 0 0 var(--space-4); display: grid; gap: var(--space-3); }
.c7-checks li { display: grid; grid-template-columns: 1.8rem 1fr; gap: var(--space-2); align-items: start; }
.c7-checks li::before { content: "·"; color: var(--muted); font-size: 1.4em; line-height: 1; font-weight: 700; text-align: center; }
.c7-checks li[data-state="run"]::before { content: "▸"; font-size: 1.1em; color: var(--accent); animation: rt-pulse 1s infinite; }
.c7-checks li[data-state="ok"]::before { content: "✓"; font-size: 1em; color: var(--ok); }
.c7-checks li[data-state="bad"]::before { content: "!"; font-size: 1em; color: var(--bad); }
.c7-checks li[data-state="skip"]::before { content: "–"; font-size: 1em; color: var(--muted); }
.c7-checks .small { display: block; }
.c7-map { display: grid; grid-template-columns: repeat(32, 1fr); gap: 2px; margin: var(--space-3) 0; max-width: 640px; }
.c7-map span { aspect-ratio: 1; border-radius: 2px; background: var(--surface-2); }
.c7-map span[data-s="boot"] { background: repeating-linear-gradient(45deg, var(--border), var(--border) 2px, var(--surface-2) 2px, var(--surface-2) 4px); }
.c7-map span[data-s="same"] { background: var(--ok-soft); }
.c7-map span[data-s="todo"] { background: var(--warn-soft); outline: 1px solid var(--warn); }
.c7-map span[data-s="writing"], .c7-map span[data-s="retry"] { background: var(--accent); animation: rt-pulse 0.5s infinite; }
.c7-map span[data-s="written"] { background: var(--ok); }
.c7-map span.slot { box-shadow: inset 0 -3px 0 var(--link); }
.c7-legend { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); font-size: var(--text-sm); color: var(--muted); padding: 0; margin: 0; list-style: none; }
.c7-legend li { display: flex; align-items: center; gap: var(--space-2); }
.c7-legend .c7-map { display: inline-grid; grid-template-columns: 1fr; width: 14px; margin: 0; }
.c7-big { font-size: var(--text-lg); }
.sim-line { margin: 0; }
.detect { margin: var(--space-3) 0 0; }
.detect .btn { min-height: 0; padding: 0.15rem 0.5rem; color: var(--link); text-decoration: underline; }
.build-image { margin-top: var(--space-3); }
.panel .panel { box-shadow: none; }
.panel .panel > h3:first-child { margin-top: 0; }
/* help: the reassurance stays on screen while the user works through it */
.notice.calm { border-left-color: var(--ok); background: var(--ok-soft); }
.notice.calm p { margin: 0; }
.notice.calm p + p { margin-top: var(--space-1); }
.help-link { margin: var(--space-2) 0 0; font-weight: 600; }
@media (min-width: 760px) { .choice-grid.three { grid-template-columns: repeat(3, 1fr); } }

/* version link: the banner on every step and the question before the build */
.version-banner p { margin: 0; }
.version-banner p + p { margin-top: var(--space-1); }
dialog.confirm { max-width: 36rem; width: calc(100% - 2 * var(--space-4)); border: 1px solid var(--border); border-radius: var(--radius);
	background: var(--surface); color: var(--text); padding: var(--space-5); }
dialog.confirm::backdrop { background: rgb(0 0 0 / 0.45); }
dialog.confirm h2 { margin-top: 0; }
.confirm-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-4); }

/* bug reports (static/js/report.js): the line under a failure, the dialog */
.report-line { margin: var(--space-2) 0 0; display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.report-label { display: grid; gap: var(--space-1); font-weight: 600; margin-bottom: var(--space-3); }
.report-text { font: inherit; font-weight: normal; width: 100%; padding: var(--space-2); border: 1px solid var(--border);
	border-radius: var(--radius-sm); background: var(--bg); color: var(--text); resize: vertical; }
.report-check { display: flex; gap: var(--space-2); align-items: baseline; margin-bottom: var(--space-2); }

/* codeplug editor (static/js/editor/): toolbar, tabs, the table, forms */
.page-codeplug .wrap { max-width: 1400px; }
.editor { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-2); }
.ed-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-2) var(--space-4); }
.ed-toolbar { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); align-items: center; }
.ed-group { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; }
.ed-status { text-align: end; }
.ed-messages .notice { position: relative; padding-right: var(--space-7); margin: 0; }
.ed-dismiss { position: absolute; top: var(--space-1); right: var(--space-1); }
.ed-menu { position: relative; }
.ed-menu > summary { list-style: none; }
.ed-menu > summary::-webkit-details-marker { display: none; }
.ed-menu > summary::after { content: " ▾"; }
.ed-menu-list { position: absolute; z-index: 4; top: calc(100% + 4px); left: 0; min-width: 16rem; display: grid; gap: var(--space-1);
	background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: var(--space-2); box-shadow: var(--shadow); }
.ed-menu-list .btn { text-align: left; border-color: transparent; }
.ed-tabs { display: flex; flex-wrap: wrap; gap: var(--space-1); border-bottom: 1px solid var(--border); }
.ed-tabs button { font: inherit; background: none; border: 0; border-bottom: 3px solid transparent; padding: var(--space-2) var(--space-3);
	color: var(--muted); cursor: pointer; font-weight: 500; }
.ed-tabs button[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }
.ed-tabs button.has-errors { color: var(--bad); }
.ed-count { display: inline-block; margin-left: var(--space-2); font-size: var(--text-xs); background: var(--surface-2); border-radius: 999px; padding: 0 0.5em; }
.ed-bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2); align-items: center; }
.ed-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.ed-filter { font: inherit; padding: var(--space-1) var(--space-3); border: 1px solid var(--border); border-radius: var(--radius-sm);
	background: var(--surface); color: var(--text); width: min(100%, 18rem); }
.ed-err { color: var(--bad); }
.grid-wrap { overflow: auto; max-height: calc(100vh - 16rem); min-height: 12rem; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); }
table.grid { font-size: var(--text-sm); }
table.grid th, table.grid td { padding: var(--space-1) var(--space-2); white-space: nowrap; vertical-align: middle; }
table.grid thead th { position: sticky; top: 0; z-index: 1; padding: 0; }
.grid-sort { font: inherit; font-weight: 600; background: none; border: 0; color: var(--text); padding: var(--space-2); width: 100%; text-align: left; cursor: pointer; }
th[aria-sort="ascending"] .grid-sort::after { content: " ▲"; }
th[aria-sort="descending"] .grid-sort::after { content: " ▼"; }
table.grid td[data-col] { cursor: cell; max-width: 22rem; overflow: hidden; text-overflow: ellipsis; }
table.grid td:focus { outline: 2px solid var(--focus); outline-offset: -2px; }
table.grid td.editing { padding: 0; }
table.grid td.editing input, table.grid td.editing select { font: inherit; width: 100%; min-width: 7rem; padding: var(--space-1) var(--space-2);
	border: 2px solid var(--focus); background: var(--surface); color: var(--text); }
table.grid td.c-num { font-variant-numeric: tabular-nums; }
table.grid td.c-bool { text-align: center; }
table.grid td.c-ro { color: var(--muted); }
table.grid tr.selected td { background: var(--accent-soft); }
.grid-check { width: 2rem; text-align: center; }
.grid-open { width: 2rem; }
.grid-open .icon { width: 0.95rem; height: 0.95rem; max-width: none; vertical-align: -0.1rem; }
.ed-csv-problems { max-height: 50vh; overflow: auto; }
.rid { display: grid; gap: var(--space-4); max-width: 60rem; }
.rid-current { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); }
.rid-current p { margin: 0; }
.rid-title { margin: var(--space-2) 0 0; font-size: 1.25rem; }
.rid-step { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: var(--space-3) var(--space-4); display: grid; gap: var(--space-3); }
.rid-step h3 { margin: 0; font-size: 1rem; display: flex; align-items: center; gap: var(--space-2); }
.rid-step h4 { margin: 0; font-size: var(--text-sm); }
.rid-n { display: inline-grid; place-items: center; width: 1.5rem; height: 1.5rem; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-size: var(--text-sm); }
.rid-row { display: flex; flex-wrap: wrap; align-items: end; gap: var(--space-3); }
.rid-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr)); gap: var(--space-3); align-items: end; }
.rid-field { display: grid; gap: var(--space-1); }
.rid-field > span:first-child { font-size: var(--text-sm); font-weight: 600; }
.rid-check { display: flex; align-items: center; gap: var(--space-2); }
.rid-template { width: 100%; font-family: var(--mono, monospace); }
.rid-tokens { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.rid-token { font-family: var(--mono, monospace); font-size: var(--text-sm); padding: 0.1rem 0.4rem; }
.rid-state-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr)); gap: 0.15rem var(--space-3); max-height: 16rem; overflow: auto; font-size: var(--text-sm); }
.rid-state-list label { display: flex; gap: var(--space-2); align-items: center; }
.rid-chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-2); }
.rid-chips li { display: inline-flex; align-items: center; gap: var(--space-1); border: 1px solid var(--border); border-radius: 999px; padding: 0.1rem 0.25rem 0.1rem 0.75rem; font-size: var(--text-sm); }
.rid-chips button { padding: 0 0.4rem; }
.rid-preview code { white-space: pre; }
.rid-output { position: sticky; bottom: 0; z-index: 1; background: var(--bg); border-top: 1px solid var(--border); padding: var(--space-3) 0; display: grid; gap: var(--space-2); }
.rid-summary { margin: 0; }
.rid-help { margin: 0; }
.rid-summary.bad { color: var(--bad); }
.grid-empty { text-align: center; padding: var(--space-5); }
.badge-bad { background: var(--bad-soft); color: var(--bad); }
dialog.editor-dialog { max-width: 52rem; max-height: calc(100vh - 4rem); overflow: auto; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: var(--space-2) var(--space-4); align-items: start; }
.form-grid .form-group { grid-column: 1 / -1; margin: var(--space-3) 0 0; font-size: var(--text-sm); text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.form-row { display: grid; gap: var(--space-1); }
.form-row label { font-size: var(--text-sm); font-weight: 600; }
.form-row input[type="text"], .form-row select, .rid input[type="text"], .rid input[type="password"], .rid select, .editor-dialog select, .editor-dialog input[type="text"], .editor-dialog input[type="search"] {
	font: inherit; padding: var(--space-1) var(--space-2); border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); color: var(--text); }
.form-pair { grid-column: span 2; display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: var(--space-2); align-items: end; }
.pair-tools { display: flex; gap: 2px; padding-bottom: 3px; }
.pair-btn { padding: 0 0.45em; min-width: 1.9rem; font-size: 0.95rem; line-height: 1.8; }
@media (max-width: 640px) { .form-pair { grid-column: auto; } }
.form-check { grid-template-columns: auto 1fr; align-items: center; }
.form-check label { order: 2; font-weight: 500; }
.ed-radio-form { max-width: 60rem; }
.members { display: grid; grid-template-columns: 1fr auto 1fr; gap: var(--space-3); align-items: start; }
.members h3 { font-size: var(--text-sm); margin-bottom: var(--space-1); }
.members input[type="search"] { width: 100%; margin-bottom: var(--space-1); }
.members-list { width: 100%; font: inherit; font-size: var(--text-sm); }
.members-actions { display: grid; gap: var(--space-2); align-self: center; }
@media (max-width: 640px) { .members { grid-template-columns: 1fr; } .ed-status { text-align: start; } }

/* glossary terms in the docs (site.js turns the title into a popover) */
abbr.gl { text-decoration: underline dotted; text-decoration-thickness: 1.5px; text-underline-offset: 0.2em; cursor: help; }
abbr.gl:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 2px; }
.gl-pop { position: absolute; z-index: 50; max-width: min(24rem, calc(100vw - 16px)); padding: var(--space-3) var(--space-4);
	background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius-sm);
	box-shadow: 0 4px 16px rgb(0 0 0 / 0.2); font-size: var(--text-sm); line-height: var(--line); }
.gl-pop[hidden] { display: none; }