/* Aircraft Hex Lookup – stylesheet (no external fonts or assets). */
:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-2: #eef1f5;
  --text: #17202b;
  --muted: #5b6878;
  --border: #d7dde5;
  --accent: #c97a00;
  --accent-strong: #a96500;
  --accent-contrast: #ffffff;
  --link: #0b5cad;
  --topbar: #0f1b2b;
  --topbar-text: #e8eef6;
  --code-bg: #0f1b2b;
  --code-text: #dfe8f3;
  --ok: #1d8a4e;
  --warn: #b7791f;
  --bad: #c0392b;
  --idle: #7a8796;
  --radius: 10px;
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b131e;
    --surface: #111c2a;
    --surface-2: #172436;
    --text: #e3e9f1;
    --muted: #93a1b3;
    --border: #253449;
    --accent: #f0a020;
    --accent-strong: #ffb43a;
    --accent-contrast: #111;
    --link: #6cb2ff;
    --topbar: #070d16;
    --code-bg: #08111c;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.55 var(--sans); }
a { color: var(--link); }
a:hover { text-decoration-thickness: 2px; }
code, .mono, pre { font-family: var(--mono); }
code { font-size: .92em; background: var(--surface-2); padding: .08em .35em; border-radius: 4px; overflow-wrap: anywhere; }
pre code, pre { overflow-wrap: normal; }
.table-scroll td code, .table-scroll th code { overflow-wrap: normal; white-space: nowrap; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; }
.h2 { font-size: 1.5rem; }
.h3 { font-size: 1.15rem; margin-top: 1.6em; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--accent-contrast); padding: .5em 1em; z-index: 10; }
.skip:focus { left: 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding-inline: 20px; }
main.wrap { padding-block: 28px 48px; }

/* Top bar */
.topbar { background: var(--topbar); color: var(--topbar-text); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; }
.topbar-inner { display: flex; align-items: center; gap: 20px; min-height: 60px; flex-wrap: wrap; padding-block: 8px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-weight: 700; letter-spacing: .01em; }
.mainnav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.mainnav a { color: var(--topbar-text); text-decoration: none; padding: 6px 10px; border-radius: 6px; opacity: .85; }
.mainnav a:hover { background: rgba(255,255,255,.08); opacity: 1; }
/* The OGN logo is black on transparent: a white tile keeps it legible on the dark top bar. */
.ogn-logo { display: inline-block; flex: none; background: #fff; border-radius: 8px; padding: 2px; line-height: 0; }
.ogn-logo img { display: block; width: 40px; height: 40px; }

/* Status indicators */
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; background: var(--idle); flex: none; }
.status-healthy .dot { background: var(--ok); }
.status-degraded .dot { background: var(--warn); }
.status-unavailable .dot { background: var(--bad); }
.status-not_configured .dot, .status-unknown .dot { background: var(--idle); }
.health-badge { display: inline-flex; align-items: center; gap: 8px; color: var(--topbar-text); text-decoration: none; font-size: .85rem;
  border: 1px solid rgba(255,255,255,.18); padding: 4px 10px; border-radius: 999px; }
.pill { display: inline-flex; align-items: center; gap: 7px; font-size: .85rem; padding: 2px 10px; border-radius: 999px; background: var(--surface-2); white-space: nowrap; }

/* Hero */
.hero { padding: 28px 0 8px; }
.hero h1 { font-size: clamp(1.8rem, 4.5vw, 2.7rem); letter-spacing: -.015em; max-width: 20ch; }
.hero-kicker { display: inline-block; margin: 0 0 14px; font-size: .85rem; color: var(--muted); border: 1px solid var(--border); padding: 3px 12px; border-radius: 999px; background: var(--surface); }
.hero-lead { color: var(--muted); font-size: 1.1rem; margin: 0 0 22px; }

/* Lookup form */
.lookup { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: 0 1px 2px rgba(0,0,0,.04); }
.lookup-compact { margin-bottom: 20px; padding: 12px; }
.modes { border: 0; padding: 0; margin: 0 0 12px; display: flex; gap: 6px; flex-wrap: wrap; }
.mode { cursor: pointer; }
.mode input { position: absolute; opacity: 0; pointer-events: none; }
.mode span { display: inline-block; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--border); font-size: .9rem; color: var(--muted); }
.mode input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-contrast); font-weight: 600; }
.mode input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }
.lookup-row { display: flex; gap: 10px; flex-wrap: wrap; }
.lookup-input { flex: 1 1 260px; min-width: 0; font: 600 1.35rem/1.2 var(--mono); letter-spacing: .06em; text-transform: uppercase;
  padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); }
.lookup-compact .lookup-input { font-size: 1.05rem; padding: 9px 12px; }
.lookup-input::placeholder { text-transform: none; letter-spacing: 0; font-weight: 400; font-family: var(--sans); color: var(--muted); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: 600 .95rem var(--sans); padding: 10px 18px; border-radius: 8px;
  border: 1px solid transparent; cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--accent-contrast); }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-sm { padding: 4px 10px; font-size: .82rem; }
.chip { font: .82rem var(--sans); padding: 3px 10px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; }
.chip:hover { border-color: var(--accent); }
.copy-btn { display: inline-flex; vertical-align: middle; margin-left: 8px; padding: 4px; width: 28px; height: 28px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--surface); color: var(--muted); cursor: pointer; }
.copy-btn svg { width: 18px; height: 18px; }
.copy-btn:hover { color: var(--text); }
.copy-btn.copied { color: var(--ok); border-color: var(--ok); }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; margin-top: 22px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.card-head h2, .card-head h1 { margin: 0; }
.notice { background: var(--surface-2); border-left: 4px solid var(--warn); padding: 10px 14px; border-radius: 6px; }
.empty { color: var(--muted); font-style: italic; }
.error-card { border-left: 4px solid var(--bad); }
.card + .lookup { margin-top: 22px; }

/* Database overview (home): totals + category counts */
.db-overview { padding: 18px 22px; }
.overview-title { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 10px; }
.kpis, .cats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px 24px; }
.kpis { padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.kpi, .cat { display: flex; flex-direction: column; min-width: 0; }
.kpi-value { font-size: 1.35rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.kpi-label, .cat-label { color: var(--muted); font-size: .9rem; }
.empty-state { margin: 0; color: var(--muted); }
.empty-state strong { color: var(--text); }
.cat-title { margin: 14px 0 8px; font-size: .8rem; font-weight: 600; color: var(--muted); }
.cats { list-style: none; margin: 0; padding: 0; }
.cat-value { font-size: 1.1rem; font-weight: 600; font-variant-numeric: tabular-nums; }

@media (max-width: 600px) {
  .db-overview { padding: 14px 16px; }
  .kpis, .cats { gap: 10px 12px; }
  .kpi-value { font-size: 1.1rem; }
  .cat-value { font-size: 1rem; }
  .kpi-label, .cat-label { font-size: .78rem; line-height: 1.3; }
}

/* Aircraft */
.aircraft-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 14px; }
.eyebrow { margin: 0 0 4px; font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.aircraft h1 { margin: 0; display: flex; align-items: center; }
.hex { font: 700 2.3rem var(--mono); letter-spacing: .06em; }
.reg { font-size: 1.4rem; font-weight: 600; margin: 4px 0 0; display: flex; align-items: center; }
.props { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 0; margin: 0; border-top: 1px solid var(--border); }
.props > div { padding: 10px 4px; border-bottom: 1px solid var(--border); }
.props dt { font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.props dd { margin: 2px 0 0; font-weight: 500; overflow-wrap: anywhere; }
.source-line { margin: 14px 0 0; }
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.photo { margin: 0; }
.photo img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 8px; display: block; background: var(--surface-2); }
.photo figcaption { font-size: .85rem; margin-top: 6px; }

/* Tables */
.table-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .93rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
thead th { font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
table.kv th { width: 34%; font-weight: 600; }
.method { font: 700 .75rem var(--mono); color: var(--ok); border: 1px solid var(--ok); padding: 1px 6px; border-radius: 4px; }
.toc { margin: 10px 0 0; font-size: .92rem; }

/* Code */
pre { background: var(--code-bg); color: var(--code-text); border-radius: 8px; padding: 14px 16px; overflow: auto; font-size: .85rem; line-height: 1.5; max-height: 520px; }
pre.code { white-space: pre; }

/* Tester */
.tester-bar { display: flex; gap: 8px; flex-wrap: wrap; }
.tester-bar select, .tester-bar input { font: 500 .95rem var(--mono); padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); min-width: 0; }
.tester-bar select { flex: 1 1 300px; }
.tester-bar input { flex: 1 1 160px; text-transform: none; }
.tester-bar input:disabled { opacity: .5; }
.tester-presets { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-top: 10px; }
.tester-output { margin-top: 16px; }
.tester-meta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.status-code { font: 700 .95rem var(--mono); padding: 2px 10px; border-radius: 6px; background: var(--surface-2); }
.status-code.s2 { color: #fff; background: var(--ok); }
.status-code.s4 { color: #fff; background: var(--warn); }
.status-code.s5, .status-code.s0 { color: #fff; background: var(--bad); }
.tester-url { overflow-wrap: anywhere; }
.tester-error { color: var(--bad); font-weight: 600; }
.tester-section { margin-top: 12px; }
.tester-section summary { cursor: pointer; font-weight: 600; }
.tester-body-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.tester-body-head h3 { margin: 0; font-size: 1rem; }

/* Footer */
.sitefooter { border-top: 1px solid var(--border); background: var(--surface); padding: 28px 0 calc(20px + env(safe-area-inset-bottom, 0px)); font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.footer-col h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 8px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.footer-legal { margin-top: 18px; color: var(--muted); font-size: .82rem; }
.bmc-button { display: inline-flex; align-items: center; gap: 8px; background: #ffdd00; color: #111; font-weight: 700; text-decoration: none; padding: 8px 14px; border-radius: 8px; }
.bmc-button:hover { background: #ffd000; }

@media (max-width: 600px) {
  .hex { font-size: 1.8rem; }
  .card { padding: 16px; }
  .topbar { position: static; }
  .mainnav { order: 3; flex-basis: 100%; margin-inline: -10px; }
  .health-badge { margin-left: auto; }
  .topbar-inner { column-gap: 10px; }
  .ogn-logo img { width: 32px; height: 32px; }
}