/* Layout: flight-deck board — a strip of airfield cards that drill into a sectioned status page; route brief = form, map, results. */
:root {
  --bg: #eef1f4; --surface: #ffffff; --surface-2: #f5f7f9; --line: #d5dbe2; --ink: #17202a; --ink-2: #4a5866; --ink-3: #74828f;
  --accent: #b86e00; --accent-ink: #ffffff; --link: #0b5fa5; --focus: #0b5fa5;
  --vfr: #1a8a3a; --mvfr: #1f5fd1; --ifr: #d0262b; --lifr: #b5179e;
  --ok: #1a8a3a; --warn: #b86e00; --bad: #c4232a; --info: #1f5fd1;
  --warn-bg: #fff3df; --bad-bg: #fde8e8; --info-bg: #e7efff; --ok-bg: #e5f5ea;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Barlow Semi Condensed", "Arial Narrow", "Roboto Condensed", system-ui, sans-serif;
  --r: 10px; --gap: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c131a; --surface: #131d27; --surface-2: #182431; --line: #263545; --ink: #e3e9ef; --ink-2: #a7b4c1; --ink-3: #7a8a99;
    --accent: #f0a63a; --accent-ink: #1b1204; --link: #7cb8ff; --focus: #7cb8ff;
    --vfr: #3ccf68; --mvfr: #5b95ff; --ifr: #ff5a5f; --lifr: #f05ce0;
    --ok: #3ccf68; --warn: #f0a63a; --bad: #ff6a6f; --info: #5b95ff;
    --warn-bg: #2d220f; --bad-bg: #321619; --info-bg: #142540; --ok-bg: #102a1a;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0c131a; --surface: #131d27; --surface-2: #182431; --line: #263545; --ink: #e3e9ef; --ink-2: #a7b4c1; --ink-3: #7a8a99;
  --accent: #f0a63a; --accent-ink: #1b1204; --link: #7cb8ff; --focus: #7cb8ff;
  --vfr: #3ccf68; --mvfr: #5b95ff; --ifr: #ff5a5f; --lifr: #f05ce0;
  --ok: #3ccf68; --warn: #f0a63a; --bad: #ff6a6f; --info: #5b95ff;
  --warn-bg: #2d220f; --bad-bg: #321619; --info-bg: #142540; --ok-bg: #102a1a;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 16px/1.4 var(--sans); -webkit-text-size-adjust: 100%; }
a { color: var(--link); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { line-height: 1.15; text-wrap: balance; margin: 0; }
h1 { font-size: 1.6rem; font-weight: 700; }
h2 { font-size: 1.15rem; font-weight: 700; letter-spacing: .01em; }
h3 { font-size: 1rem; font-weight: 600; }
.mono { font-family: var(--mono); }
.muted { color: var(--ink-3); }
.small { font-size: .85rem; }
.tnum { font-variant-numeric: tabular-nums; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* top bar */
.topbar {
  position: sticky; top: 0; z-index: 1000; display: flex; align-items: center; gap: 10px;
  padding: calc(env(safe-area-inset-top, 0px) + 8px) 16px 8px; background: var(--surface); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 1.15rem; letter-spacing: .02em; }
.brand svg { width: 26px; height: 26px; color: var(--accent); }
.tabs { display: flex; gap: 4px; margin-left: 8px; }
.tabs a { padding: 6px 10px; border-radius: 8px; text-decoration: none; color: var(--ink-2); font-weight: 600; }
.tabs a.active { background: var(--surface-2); color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); }
.clock { margin-left: auto; display: flex; flex-direction: column; align-items: flex-end; font-family: var(--mono); font-size: .85rem; line-height: 1.15; font-variant-numeric: tabular-nums; }
.clock #clockZ { font-weight: 600; }
.clock #clockL { color: var(--ink-3); font-size: .75rem; }
.icon-btn { background: none; border: 1px solid var(--line); border-radius: 8px; width: 38px; height: 38px; display: grid; place-items: center; cursor: pointer; color: var(--ink-2); flex: none; }
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn.spin svg { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 560px) {
  .topbar { flex-wrap: wrap; row-gap: 6px; }
  .brand span { display: none; }
  .tabs { order: 5; width: 100%; margin-left: 0; }
  .tabs a { flex: 1; text-align: center; }
}

.banner { margin: 10px 16px 0; padding: 10px 12px; border-radius: var(--r); background: var(--warn-bg); color: var(--ink); border: 1px solid var(--line); }
main { padding: 14px 16px 40px; max-width: 1280px; margin: 0 auto; }
main:focus { outline: none; }

/* generic */
.btn { background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 8px; padding: 9px 14px; font-weight: 700; cursor: pointer; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.small { padding: 5px 10px; font-size: .9rem; }
.btn:disabled { opacity: .5; cursor: default; }
input[type=text], input[type=number], input[type=password], input[type=datetime-local], select, textarea {
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; min-width: 0;
}
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row-end { display: flex; gap: 8px; justify-content: flex-end; margin-top: 12px; }
.grow { flex: 1; min-width: 0; }
a.chip { text-decoration: none; }
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 2px 8px; border-radius: 999px; font-size: .82rem; font-weight: 600; background: var(--surface-2); border: 1px solid var(--line); color: var(--ink-2); white-space: nowrap; }
.chip.bad { background: var(--bad-bg); color: var(--bad); border-color: transparent; }
.chip.warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.chip.ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.chip.info { background: var(--info-bg); color: var(--info); border-color: transparent; }
.cat { display: inline-block; min-width: 54px; text-align: center; padding: 3px 8px; border-radius: 6px; font-weight: 700; font-size: .85rem; letter-spacing: .04em; color: #fff; }
.cat.VFR { background: var(--vfr); } .cat.MVFR { background: var(--mvfr); } .cat.IFR { background: var(--ifr); } .cat.LIFR { background: var(--lifr); }
.cat.none { background: var(--ink-3); }
.raw { font-family: var(--mono); font-size: .86rem; background: var(--surface-2); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; white-space: pre-wrap; word-break: break-word; }
.loading { color: var(--ink-3); font-style: italic; }
.err { color: var(--bad); }
.windy { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 8px; border: 1px solid var(--line); text-decoration: none; color: var(--ink); font-weight: 600; font-size: .88rem; background: var(--surface); white-space: nowrap; }
.windy::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: #d0021b; flex: none; }
.windy-row { display: flex; gap: 6px; flex-wrap: wrap; }

/* board */
.board-head { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; margin-bottom: 12px; }
.board-head h1 { margin-right: auto; }
.add-form { display: flex; gap: 6px; }
.add-form input { width: 150px; text-transform: uppercase; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--gap); }
@media (max-width: 400px) { .cards { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 12px; display: flex; flex-direction: column; gap: 8px; min-width: 0; position: relative; }
.card.cat-VFR { border-top: 4px solid var(--vfr); } .card.cat-MVFR { border-top: 4px solid var(--mvfr); } .card.cat-IFR { border-top: 4px solid var(--ifr); } .card.cat-LIFR { border-top: 4px solid var(--lifr); }
.card-head { display: flex; align-items: baseline; gap: 8px; }
.card-head .id { font-family: var(--mono); font-weight: 600; font-size: 1.3rem; color: var(--ink); text-decoration: none; }
.card-head .name { color: var(--ink-3); font-size: .9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; flex: 1; }
.card-tools { display: flex; gap: 2px; }
.card-tools button { background: none; border: 0; color: var(--ink-3); cursor: pointer; padding: 2px 4px; font-size: 1rem; }
.kv { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px 10px; }
.kv div { min-width: 0; }
.kv dt, .kv .k { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); }
.kv dd, .kv .v { margin: 0; font-family: var(--mono); font-size: .95rem; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.chips { display: flex; flex-wrap: wrap; gap: 5px; }
.open-link { margin-top: auto; font-weight: 600; text-decoration: none; }

/* TAF strip */
.tafstrip { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 1px; height: 22px; border-radius: 4px; overflow: hidden; background: var(--line); }
.tafstrip span { position: relative; background: var(--ink-3); }
.tafstrip span.VFR { background: var(--vfr); } .tafstrip span.MVFR { background: var(--mvfr); } .tafstrip span.IFR { background: var(--ifr); } .tafstrip span.LIFR { background: var(--lifr); }
.tafstrip span.t::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 40%; background: var(--tc, transparent); }
.tafstrip span.now { outline: 2px solid var(--ink); outline-offset: -2px; z-index: 1; }
.tafaxis { display: flex; justify-content: space-between; font-family: var(--mono); font-size: .68rem; color: var(--ink-3); }

/* field page */
.field-head { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.field-head h1 { font-family: var(--mono); }
.field-head .sub { color: var(--ink-2); }
.secnav { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 56px); z-index: 900; display: flex; gap: 6px; overflow-x: auto; padding: 8px 0; background: var(--bg); scrollbar-width: none; }
.secnav::-webkit-scrollbar { display: none; }
.secnav a { flex: none; padding: 5px 10px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); color: var(--ink-2); text-decoration: none; font-weight: 600; font-size: .88rem; }
@media (max-width: 560px) { .secnav { top: calc(env(safe-area-inset-top, 0px) + 100px); } }
.sections { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--gap); }
@media (max-width: 900px) { .sections { grid-template-columns: 1fr; } }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 14px; min-width: 0; scroll-margin-top: 120px; display: flex; flex-direction: column; gap: 10px; }
.panel.wide { grid-column: 1 / -1; }
.panel-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.panel-head h2 { margin-right: auto; }
.src { font-size: .78rem; color: var(--ink-3); }
.dl { display: grid; grid-template-columns: minmax(84px, max-content) 1fr; gap: 4px 12px; margin: 0; }
.dl dt { color: var(--ink-3); font-size: .9rem; }
.dl dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.item { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; background: var(--surface-2); min-width: 0; }
.item.sev-high { border-left: 4px solid var(--bad); }
.item.sev-med { border-left: 4px solid var(--warn); }
.item.sev-low { border-left: 4px solid var(--line); }
.item .meta { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; font-size: .82rem; color: var(--ink-3); margin-bottom: 3px; }
.item .plain { overflow-wrap: anywhere; }
details > summary { cursor: pointer; color: var(--link); font-size: .85rem; }
.tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { padding: 5px 8px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; font-size: .9rem; }
th { font-size: .74rem; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-3); background: var(--surface-2); position: sticky; top: 0; }
td:first-child, th:first-child { text-align: left; }
td.mono { font-family: var(--mono); }
tr.hl td { background: var(--warn-bg); }
td .flag { font-size: .75rem; font-weight: 700; padding: 1px 5px; border-radius: 4px; }
.flag.ice-LIKELY { background: var(--info); color: #fff; } .flag.ice-POSSIBLE { background: var(--info-bg); color: var(--info); }
.flag.turb-MOD { background: var(--warn); color: var(--accent-ink); } .flag.turb-LGT { background: var(--warn-bg); color: var(--warn); }
.fzl td { border-top: 2px dashed var(--info); }
.map { height: 380px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface-2); z-index: 0; }
.map.tall { height: 460px; }
@media (max-width: 560px) { .map { height: 300px; } .map.tall { height: 360px; } }
.map-tools { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; font-size: .9rem; }
.map-tools label { display: inline-flex; gap: 4px; align-items: center; }
.leaflet-container { font: inherit; background: var(--surface-2); }
.rw-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.rw { border: 1px solid var(--line); border-radius: 8px; padding: 8px; background: var(--surface-2); }
.rw.best { border-color: var(--ok); box-shadow: inset 0 0 0 1px var(--ok); }
.rw .id { font-family: var(--mono); font-weight: 600; font-size: 1.1rem; }
.rw .comp { font-family: var(--mono); font-size: .9rem; }
.svgchart { width: 100%; height: auto; display: block; }
.svgchart text { fill: var(--ink-3); font: 11px var(--mono); }
.risk { font-weight: 700; padding: 1px 6px; border-radius: 4px; font-size: .8rem; }
.risk.LOW { background: var(--ok-bg); color: var(--ok); } .risk.MODERATE { background: var(--warn-bg); color: var(--warn); } .risk.SEVERE { background: var(--bad-bg); color: var(--bad); }
.ahas-strip { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(34px, 1fr); gap: 3px; overflow-x: auto; }
.ahas-strip div { text-align: center; font-size: .72rem; font-family: var(--mono); }
.ahas-strip .b { height: 22px; border-radius: 4px; margin-top: 2px; }
.b.LOW { background: var(--ok); } .b.MODERATE { background: var(--warn); } .b.SEVERE { background: var(--bad); } .b.none { background: var(--line); }
.segmented { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.segmented button { background: var(--surface); border: 0; padding: 6px 12px; cursor: pointer; font-weight: 600; color: var(--ink-2); }
.segmented button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }

/* route */
.route-form { display: grid; grid-template-columns: 2fr repeat(4, minmax(0, 1fr)); gap: 10px; align-items: end; }
.route-form label { display: flex; flex-direction: column; gap: 4px; font-size: .82rem; color: var(--ink-3); font-weight: 600; min-width: 0; }
.route-form .full { grid-column: 1 / -1; }
@media (max-width: 900px) { .route-form { grid-template-columns: repeat(2, minmax(0, 1fr)); } .route-form .wide2 { grid-column: 1 / -1; } }
.wp-list { display: flex; flex-wrap: wrap; gap: 5px; }
.wp { font-family: var(--mono); font-size: .82rem; padding: 2px 7px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--line); }
.wp.bad { border-color: var(--bad); color: var(--bad); }

/* DD 175-1 style */
.f175 { background: var(--surface); border: 2px solid var(--ink); border-radius: 4px; font-size: .9rem; }
.f175 .title { display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; padding: 8px 10px; border-bottom: 2px solid var(--ink); font-weight: 700; }
.f175 .part { border-bottom: 2px solid var(--ink); }
.f175 .part:last-child { border-bottom: 0; }
.f175 .ph { background: var(--surface-2); padding: 4px 10px; font-weight: 700; letter-spacing: .04em; border-bottom: 1px solid var(--ink-3); text-transform: uppercase; font-size: .8rem; }
.f175 .cells { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.f175 .cell { border-right: 1px solid var(--ink-3); border-bottom: 1px solid var(--ink-3); padding: 4px 8px; min-width: 0; }
.f175 .cell .l { font-size: .68rem; text-transform: uppercase; color: var(--ink-3); letter-spacing: .04em; }
.f175 .cell .x { font-family: var(--mono); overflow-wrap: anywhere; }
.f175 .note { padding: 6px 10px; font-size: .8rem; color: var(--ink-3); }

dialog { border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--ink); padding: 0; width: min(460px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(0, 0, 0, .5); }
.settings-form { padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.field-row { display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: .9rem; }
.empty { padding: 30px; text-align: center; color: var(--ink-3); border: 1px dashed var(--line); border-radius: var(--r); }
.legend { display: flex; gap: 10px; flex-wrap: wrap; font-size: .8rem; color: var(--ink-3); }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; vertical-align: -2px; margin-right: 4px; }
.footer-note { margin-top: 24px; font-size: .8rem; color: var(--ink-3); }

/* outlook */
.olk-strip { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; margin-top: 4px; }
.olk { display: flex; flex-direction: column; align-items: center; padding: 4px 2px; border-radius: 6px; text-decoration: none; font-size: .78rem; color: #fff; line-height: 1.2; }
.olk.G, .olk-cell.G { background: var(--vfr); } .olk.A, .olk-cell.A { background: var(--warn); color: var(--accent-ink); } .olk.R, .olk-cell.R { background: var(--ifr); }
.olk-cell { display: inline-block; padding: 2px 7px; border-radius: 5px; color: #fff; font-size: .82rem; font-weight: 600; white-space: nowrap; }
.olk-table td { vertical-align: middle; }