/* Layout: a records office. The searchable register sits in the middle, ruled like a flying logbook;
   stories, schools and the book sit around it. Pencilled "Note for Jon" boxes explain the idea. */
:root {
  --paper: #eceee9;      /* Air Ministry form paper, cool grey-green */
  --card: #f8f9f6;
  --ink: #17202a;
  --muted: #46525c;
  --rule: #c5cbc3;
  --field: #8a949c;      /* form field borders */
  --raf: #33485d;        /* RAF blue-grey, for links */
  --raf-fill: #33485d;   /* RAF blue-grey, for bands and bars */
  --on-fill: #eceee9;
  --accent: #b5521a;     /* SAAF roundel orange: borders and focus */
  --accent-text: #9a4414; /* the same orange, dark enough for small text */
  --on-accent: #ffffff;
  --roundel-blue: #2d4f86;
  --roundel-white: #ffffff;
  --roundel-orange: #e2772f;
  --shadow: 0 2px 4px rgba(23, 32, 42, .08), 0 16px 40px rgba(23, 32, 42, .18); /* dialog only */
  --display: "Big Shoulders Display", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --record: "Courier Prime", "Courier New", Courier, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #10151a; --card: #172029; --ink: #e3e6e1; --muted: #a3adb6; --rule: #485560; --field: #6b7884;
    --raf: #93abc2; --raf-fill: #26374a; --on-fill: #e3e6e1; --accent: #ea9257; --accent-text: #ea9257;
    --on-accent: #10151a; --roundel-white: #e3e6e1;
    --shadow: 0 1px 0 rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #10151a; --card: #172029; --ink: #e3e6e1; --muted: #a3adb6; --rule: #485560; --field: #6b7884;
  --raf: #93abc2; --raf-fill: #26374a; --on-fill: #e3e6e1; --accent: #ea9257; --accent-text: #ea9257;
  --on-accent: #10151a; --roundel-white: #e3e6e1;
  --shadow: 0 1px 0 rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
  color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  background: var(--paper); color: var(--ink);
  font-family: var(--body); font-size: 18px; line-height: 1.6;
}
.wrap {
  max-width: 1160px; margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
a { color: var(--raf); text-underline-offset: 3px; }
a:hover { color: var(--accent-text); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--display); font-weight: 800; line-height: 1.02; text-wrap: balance; margin: 0; letter-spacing: .005em; }
h1 { font-size: clamp(2.6rem, 6.4vw, 4.6rem); text-transform: uppercase; }
h2 { font-size: clamp(2rem, 4.2vw, 3rem); text-transform: uppercase; }
h3 { font-family: var(--body); font-size: 1.35rem; font-weight: 600; line-height: 1.25; }
p { margin: 0; }
.eyebrow { font-family: var(--record); font-size: .9rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-text); font-weight: 700; }
.lede { font-size: 1.15rem; color: var(--ink); max-width: 36em; }
.stack { display: flex; flex-direction: column; gap: 16px; }

/* mockup ribbon + header */
.ribbon { background: var(--raf-fill); color: var(--on-fill); font-family: var(--record); font-size: .9rem; }
.ribbon .wrap { padding-block: 8px; display: flex; gap: 8px 16px; flex-wrap: wrap; justify-content: space-between; }
header.bar { border-bottom: 1px solid var(--rule); background: var(--paper); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; }
header.bar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; padding-block: 12px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand b { font-family: var(--display); font-size: 1.45rem; font-weight: 800; text-transform: uppercase; letter-spacing: .02em; white-space: nowrap; }
.roundel {
  width: 28px; height: 28px; border-radius: 50%; flex: none;
  background: radial-gradient(circle, var(--roundel-orange) 0 30%, var(--roundel-white) 31% 60%, var(--roundel-blue) 61%);
}
nav.main { display: flex; gap: 0 20px; flex-wrap: wrap; font-family: var(--record); font-size: 1rem; }
nav.main a { text-decoration: none; color: var(--ink); display: inline-flex; align-items: center; min-height: 44px; }
nav.main a:hover { color: var(--accent-text); }

/* hero */
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 48px; align-items: center; padding-block: 56px 40px; }
.hero .copy { display: flex; flex-direction: column; gap: 22px; min-width: 0; }
.search { display: flex; flex-direction: column; gap: 8px; }
.search label { font-family: var(--record); font-size: .95rem; color: var(--muted); }
.search .field { display: flex; border: 2px solid var(--ink); background: var(--card); }
.search input {
  flex: 1; min-width: 0; border: 0; background: transparent; color: var(--ink);
  font-family: var(--record); font-size: 1.15rem; padding: 14px 16px;
}
.search input:focus { outline: none; }
.search input::placeholder, .form textarea::placeholder { color: var(--muted); opacity: 1; }
.search .field:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
.search button { border: 0; background: var(--ink); color: var(--paper); font-family: var(--record); font-size: 1rem; font-weight: 700; padding: 0 22px; min-height: 48px; cursor: pointer; }
.try { font-size: 1rem; color: var(--muted); }
.try button { background: none; border: 0; padding: 0; color: var(--raf); font: inherit; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px 24px; font-family: var(--record); font-size: .95rem; line-height: 1.4; border-top: 1px solid var(--rule); padding-top: 16px; }
.facts b { font-size: 1.35rem; display: block; color: var(--ink); font-variant-numeric: tabular-nums; }
.facts span { color: var(--muted); }
figure { margin: 0; }
.mounting img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); }
figcaption { font-family: var(--record); font-size: .95rem; color: var(--muted); margin-top: 10px; line-height: 1.45; }

/* notes for Jon */
.note {
  border: 1.5px dashed var(--accent); padding: 12px 14px; font-family: var(--record); font-size: .95rem;
  line-height: 1.5; color: var(--ink); background: color-mix(in srgb, var(--accent) 6%, transparent);
}
.note::before { content: "Note for Jon"; display: block; color: var(--accent-text); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; font-size: .85rem; margin-bottom: 4px; }

section { padding-block: 56px; border-top: 1px solid var(--rule); scroll-margin-top: 72px; }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 340px); gap: 16px 40px; align-items: end; margin-bottom: 28px; }
.section-head .stack { min-width: 0; }

/* register */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip {
  border: 1px solid var(--rule); background: var(--card); color: var(--ink); border-radius: 999px;
  padding: 8px 16px; min-height: 44px; font-family: var(--record); font-size: 1rem; cursor: pointer;
}
.chip span { color: var(--muted); font-variant-numeric: tabular-nums; }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip[aria-pressed="true"] span { color: var(--paper); opacity: .75; }
.reg-tools { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.reg-tools .search { flex: 1 1 280px; }
.reg-tools .search input { font-size: 1.05rem; padding: 12px 14px; }
.count { font-family: var(--record); font-size: .95rem; color: var(--muted); }
.logbook { background: var(--card); border: 1px solid var(--rule); }
.lrow { display: grid; grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.4fr) minmax(0, 1.3fr) minmax(0, 1.5fr); gap: 0; align-items: stretch; }
.lrow > * { padding: 10px 14px; border-right: 1px solid var(--rule); min-width: 0; }
.lrow > *:last-child { border-right: 0; }
.lhead { background: var(--raf-fill); color: var(--on-fill); font-family: var(--record); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; }
.lhead > * { border-color: color-mix(in srgb, var(--on-fill) 25%, transparent); }
button.lrow {
  width: 100%; text-align: left; background: none; border: 0; border-top: 1px solid var(--rule);
  color: var(--ink); font: inherit; cursor: pointer;
}
button.lrow:hover { background: color-mix(in srgb, var(--accent) 7%, transparent); }
.who b { font-weight: 600; }
.who small { display: block; color: var(--muted); font-size: .92rem; line-height: 1.35; }
.rec { font-family: var(--record); font-size: 1rem; line-height: 1.55; }
.dim { color: var(--muted); }
.dagger { color: var(--accent-text); font-weight: 700; }
.tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.tag { font-family: var(--record); font-size: .8rem; letter-spacing: .02em; border: 1px solid var(--rule); padding: 1px 7px; color: var(--muted); white-space: nowrap; }
.more { margin-top: 16px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.btn { border: 2px solid var(--ink); background: transparent; color: var(--ink); font-family: var(--record); font-size: 1rem; font-weight: 700; padding: 12px 20px; min-height: 48px; cursor: pointer; }
.btn.solid { background: var(--ink); color: var(--paper); }
.empty { padding: 24px 14px; border-top: 1px solid var(--rule); font-family: var(--record); color: var(--muted); }

/* airman page */
.airman { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 40px; align-items: start; }
.airman .photo img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); }
.card { background: var(--card); border: 1px solid var(--rule); padding: 24px; }
.record { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 8px 18px; font-family: var(--record); font-size: 1rem; line-height: 1.5; margin: 0; }
.record dt { color: var(--muted); text-transform: uppercase; font-size: .85rem; letter-spacing: .06em; padding-top: 2px; }
.record dd { margin: 0; }
.bio { display: flex; flex-direction: column; gap: 14px; max-width: 38em; }
.form { display: grid; gap: 10px; }
.form .two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px; }
.form label { display: grid; gap: 4px; font-family: var(--record); font-size: .92rem; color: var(--muted); }
.form input, .form select, .form textarea {
  font: inherit; font-family: var(--body); font-size: 1rem; color: var(--ink); background: var(--paper);
  border: 1px solid var(--field); padding: 10px 12px; width: 100%;
}
.form textarea { min-height: 84px; resize: vertical; }
.sent { font-family: var(--record); font-size: .95rem; color: var(--accent-text); }

/* stories */
.feature { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 40px; margin-bottom: 32px; }
.feature blockquote { margin: 0; font-size: 1.12rem; }
.feature blockquote p + p { margin-top: 14px; }
.feature .src { font-family: var(--record); font-size: .9rem; color: var(--muted); margin-top: 14px; }
.stories { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.story { display: flex; flex-direction: column; gap: 10px; border-top: 3px solid var(--ink); padding-top: 14px; }
.story .q { font-style: italic; }
.story .who2 { font-family: var(--record); font-size: .9rem; color: var(--muted); }
.story .fact { font-family: var(--record); font-size: .95rem; border-top: 1px solid var(--rule); padding-top: 10px; margin-top: auto; }

/* schools */
.schools { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.bars { display: grid; gap: 12px; font-family: var(--record); font-size: .95rem; }
.sbar { display: grid; grid-template-columns: minmax(0, 15em) minmax(0, 1fr) 2.5em; gap: 12px; align-items: center; }
.sbar .track { height: 12px; background: color-mix(in srgb, var(--rule) 55%, transparent); }
.sbar .fill { height: 100%; background: var(--raf-fill); }
.sbar .n { text-align: right; font-variant-numeric: tabular-nums; }
.sbar .nm { line-height: 1.3; }

/* book */
.book { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.book img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); }
.copybox { display: grid; gap: 12px; }
.placeholder { font-family: var(--record); font-size: .95rem; border: 1px solid var(--rule); padding: 12px 14px; color: var(--muted); }

footer { border-top: 1px solid var(--rule); padding-block: 32px 48px; font-family: var(--record); font-size: .9rem; color: var(--muted); }
footer .wrap { display: grid; gap: 8px; }

dialog {
  border: 1px solid var(--rule); background: var(--card); color: var(--ink); padding: 0;
  width: min(640px, calc(100vw - 32px)); max-height: calc(100dvh - 48px); box-shadow: var(--shadow);
}
dialog::backdrop { background: rgba(10, 14, 18, .55); }
.dlg { padding: 24px; display: grid; gap: 18px; }
.dlg-head { display: flex; justify-content: space-between; gap: 16px; align-items: start; }
.close { border: 1px solid var(--field); background: var(--paper); color: var(--ink); font-family: var(--record); font-size: 1rem; padding: 8px 14px; min-height: 44px; cursor: pointer; }

@media (max-width: 900px) {
  .hero .wrap, .airman, .feature, .schools, .book, .section-head { grid-template-columns: minmax(0, 1fr); }
  .hero .wrap { gap: 32px; padding-block: 36px 32px; }
  .stories { grid-template-columns: minmax(0, 1fr); }
  header.bar { position: static; }
  nav.main { width: 100%; gap: 4px 18px; }
}
@media (max-width: 640px) {
  .lhead { display: none; }
  .lrow { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .lrow > * { border-right: 0; padding: 4px 12px; }
  .lrow > .who { grid-column: 1 / -1; padding-top: 12px; }
  .lrow > .fate { grid-column: 1 / -1; padding-bottom: 12px; }
  .lrow > .rec::before {
    content: attr(data-label); display: block; font-size: .78rem; letter-spacing: .08em;
    text-transform: uppercase; color: var(--muted);
  }
  .record { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .record dd { margin-bottom: 10px; }
  .facts { grid-template-columns: minmax(0, 1fr); }
  .form .two { grid-template-columns: minmax(0, 1fr); }
  .sbar { grid-template-columns: minmax(0, 10em) minmax(0, 1fr) 2em; }
  section { padding-block: 40px; }
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

/* ---------- site pages beyond the mockup ---------- */
.skip { position: absolute; left: -9999px; top: 0; background: var(--ink); color: var(--paper); padding: 8px 14px; z-index: 10; }
.skip:focus { left: max(16px, env(safe-area-inset-left, 0px)); top: calc(8px + env(safe-area-inset-top, 0px)); }
nav.main a[aria-current="page"] { color: var(--accent-text); text-decoration: underline; text-underline-offset: 6px; }

.page-head { padding-block: 44px 8px; }
.page-head .wrap { display: flex; flex-direction: column; gap: 14px; }
.page-head h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
.crumbs { font-family: var(--record); font-size: .95rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px 10px; }
.crumbs a { color: var(--muted); }
.page-body { padding-block: 32px 64px; }

a.lrow { color: inherit; text-decoration: none; border-top: 1px solid var(--rule); }
a.lrow:hover { background: color-mix(in srgb, var(--accent) 7%, transparent); color: inherit; }
a.lrow:hover .who b { text-decoration: underline; text-underline-offset: 3px; }
.logbook .lrow:first-of-type:not(.lhead) { border-top: 0; }

.pager { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 20px; font-family: var(--record); }
.pager a, .pager span { min-height: 44px; min-width: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 0 12px; border: 1px solid var(--rule); background: var(--card); text-decoration: none; color: var(--ink); }
.pager [aria-current="page"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.pager .gap { border: 0; background: none; }

.profile { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 40px; align-items: start; }
.profile .side { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.profile .main { display: flex; flex-direction: column; gap: 28px; min-width: 0; }
.profile figure img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); }
.badges { display: flex; flex-wrap: wrap; gap: 6px; }
.badges .tag { font-size: .85rem; padding: 3px 9px; }
.passages { display: flex; flex-direction: column; gap: 18px; }
.passage { margin: 0; padding: 0 0 18px; border-bottom: 1px solid var(--rule); }
.passage:last-child { border-bottom: 0; }
.passage .from { font-family: var(--record); font-size: .9rem; color: var(--muted); margin-bottom: 6px; }
.passage p { max-width: 40em; }
.linklist { display: flex; flex-direction: column; gap: 6px; padding: 0; margin: 0; list-style: none; }
.linklist li { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; }
.linklist small { color: var(--muted); font-family: var(--record); }
.empty-note { color: var(--muted); font-style: italic; }

.grid-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 24px; }
.story h3 a { color: inherit; text-decoration: none; }
.story h3 a:hover { color: var(--accent-text); text-decoration: underline; }
.school-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; }
.school-list a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--rule); text-decoration: none; color: var(--ink); align-items: baseline; }
.school-list a:hover b { color: var(--accent-text); text-decoration: underline; }
.school-list small { display: block; color: var(--muted); font-family: var(--record); font-size: .9rem; }
.school-list .n { font-family: var(--record); font-variant-numeric: tabular-nums; color: var(--muted); }

.reading { max-width: 40em; display: flex; flex-direction: column; gap: 18px; font-size: 1.08rem; }
.epigraph { margin: 0; padding-left: 20px; border-left: 3px solid var(--rule); font-style: italic; color: var(--muted); }
.epigraph cite { display: block; font-style: normal; font-family: var(--record); font-size: .9rem; margin-top: 8px; }
.extract-note { font-family: var(--record); font-size: .95rem; color: var(--muted); border-top: 1px solid var(--rule); padding-top: 14px; }

.flash { border: 2px solid var(--raf); background: var(--card); padding: 14px 16px; font-family: var(--record); }
.error { color: var(--accent-text); font-family: var(--record); font-size: .9rem; }
.form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form input[type="file"] { padding: 8px; }
.form .hint { font-family: var(--record); font-size: .88rem; color: var(--muted); }
.form-wide { max-width: 44em; }

footer nav { display: flex; flex-wrap: wrap; gap: 4px 18px; }
footer nav a { color: var(--muted); }

@media (max-width: 900px) {
  .profile, .grid-cards { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .school-list { grid-template-columns: minmax(0, 1fr); }
  .page-head { padding-block: 28px 4px; }
}

.school-photo { max-width: 720px; }
.school-photo img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); }

.voyage-photo { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; max-width: 200px; text-decoration: none; }
.voyage-photo img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); }
.voyage-photo span { text-decoration: underline; text-underline-offset: 3px; }

.book img.cover { max-width: 420px; }

/* book page */
.book-page section { border-top: 1px solid var(--rule); margin-top: 56px; padding-top: 48px; padding-bottom: 0; }
.book-hero { display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: 48px; align-items: start; }
.book-hero h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); }
.book-cover img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); }
.byline { font-family: var(--record); font-size: 1rem; color: var(--muted); }
.order { max-width: 34em; }
.order .h3 { font-family: var(--body); font-size: 1.35rem; font-weight: 600; text-transform: none; }
.order .btn { display: inline-flex; align-items: center; text-decoration: none; }
.toc { list-style: none; margin: 0; padding: 0; counter-reset: ch -1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px; }
.toc li { counter-increment: ch; border-bottom: 1px solid var(--rule); }
.toc a { display: grid; grid-template-columns: 2.2em minmax(0, 1fr); gap: 2px 8px; padding: 14px 0; text-decoration: none; color: var(--ink); }
.toc a::before { content: counter(ch); grid-row: span 2; font-family: var(--record); color: var(--muted); font-variant-numeric: tabular-nums; padding-top: 2px; }
.toc li:first-child a::before { content: "Pref."; font-size: .8rem; }
.toc .toc-title { font-weight: 600; }
.toc .toc-extract { color: var(--raf); text-decoration: underline; text-underline-offset: 3px; font-size: .95rem; }
.toc a:hover .toc-extract { color: var(--accent-text); }
.author { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.author img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); }
@media (max-width: 900px) {
  .book-hero, .author { grid-template-columns: minmax(0, 1fr); }
  .book-cover { max-width: 320px; }
  .toc { grid-template-columns: minmax(0, 1fr); }
}