:root {
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --accent: #2563eb;
  --soft: #f8fafc;

  --go: #16a34a;      --go-bg: #dcfce7;      --go-fg: #14532d;
  --marginal: #d97706; --marginal-bg: #fef3c7; --marginal-fg: #78350f;
  --nogo: #dc2626;    --nogo-bg: #fee2e2;    --nogo-fg: #7f1d1d;
  --unknown: #94a3b8; --unknown-bg: #f1f5f9; --unknown-fg: #334155;

  --warn-bg: #fff7ed; --warn-border: #f59e0b;
  --radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1120; --card: #111827; --text: #e5e7eb; --muted: #94a3b8; --border: #1f2937;
    --accent: #60a5fa; --soft: #0f172a;
    --go-bg: #052e16; --go-fg: #bbf7d0;
    --marginal-bg: #451a03; --marginal-fg: #fde68a;
    --nogo-bg: #450a0a; --nogo-fg: #fecaca;
    --unknown-bg: #1e293b; --unknown-fg: #cbd5e1;
    --warn-bg: #2a1a06;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b1120; --card: #111827; --text: #e5e7eb; --muted: #94a3b8; --border: #1f2937;
  --accent: #60a5fa; --soft: #0f172a;
  --go-bg: #052e16; --go-fg: #bbf7d0;
  --marginal-bg: #451a03; --marginal-fg: #fde68a;
  --nogo-bg: #450a0a; --nogo-fg: #fecaca;
  --unknown-bg: #1e293b; --unknown-fg: #cbd5e1;
  --warn-bg: #2a1a06;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
h1, h2, h3 { margin: 0; line-height: 1.25; }
.container { max-width: 1000px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.loading { padding: 48px 0; text-align: center; color: var(--muted); }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 1000; display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; color: var(--text); text-decoration: none; }
@media (prefers-color-scheme: dark) { .brand img { filter: invert(1); } }
.activity { font-size: 12px; font-weight: 600; padding: 2px 10px; border-radius: 99px; background: var(--accent); color: #fff; }
.toplink { margin-left: auto; font-size: 14px; text-decoration: none; }

/* Cards */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin: 12px 0; }
.section-title { font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }

/* Report meta */
.meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin: 14px 0 4px; }
.meta .when { font-size: 20px; font-weight: 700; }
.meta .ago { color: var(--muted); font-size: 14px; }
.banner { border-radius: 10px; padding: 10px 14px; margin: 10px 0; font-size: 14px; }
.banner.stale { background: var(--nogo-bg); color: var(--nogo-fg); font-weight: 600; }
.banner.sample { background: var(--marginal-bg); color: var(--marginal-fg); }
.banner.archive { background: var(--soft); border: 1px dashed var(--border); }

/* Group tabs */
.tabs { display: flex; gap: 8px; overflow-x: auto; margin: 12px 0 0; padding-bottom: 2px; }
.tab { flex: none; padding: 7px 14px; border-radius: 99px; border: 1px solid var(--border); background: var(--card); color: var(--text); font: inherit; font-size: 14px; cursor: pointer; }
.tab[aria-selected="true"] { background: var(--text); color: var(--card); border-color: var(--text); }

/* Map */
#map { height: 240px; border-radius: var(--radius); border: 1px solid var(--border); margin: 12px 0; z-index: 0; }
@media (min-width: 800px) { #map { height: 320px; } }
.pin { width: 18px; height: 18px; border-radius: 50%; border: 3px solid #fff; box-shadow: 0 1px 4px rgba(0,0,0,.4); }

/* Grid table */
.grid-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); border: 1px solid var(--border); background: var(--card); }
table.grid { border-collapse: separate; border-spacing: 0; width: 100%; min-width: 560px; }
.grid th, .grid td { padding: 6px; text-align: center; border-bottom: 1px solid var(--border); }
.grid tr:last-child td, .grid tr:last-child th { border-bottom: none; }
.grid thead th { font-size: 12px; font-weight: 600; color: var(--muted); white-space: nowrap; }
.grid thead th .day { display: block; color: var(--text); font-size: 13px; }
.grid thead th.now { color: var(--accent); }
.grid th.spot {
  position: sticky; left: 0; z-index: 1; background: var(--card); text-align: left;
  font-size: 14px; min-width: 112px; padding-left: 12px; box-shadow: 1px 0 0 var(--border);
}
.grid th.spot .faces { display: block; font-size: 11px; color: var(--muted); font-weight: 500; }
.grid tr.flash th.spot { background: var(--soft); }
.cell {
  width: 100%; min-width: 64px; border: 0; border-radius: 8px; padding: 8px 4px; cursor: pointer;
  font: inherit; display: flex; flex-direction: column; align-items: center; gap: 0;
}
.cell .pct { font-size: 18px; font-weight: 750; line-height: 1.1; }
.cell .lbl { font-size: 10px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.cell .warn-dot { font-size: 11px; line-height: 1; height: 12px; }
.cell:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }
.r-go       { background: var(--go-bg); color: var(--go-fg); }
.r-marginal { background: var(--marginal-bg); color: var(--marginal-fg); }
.r-nogo     { background: var(--nogo-bg); color: var(--nogo-fg); }
.r-unknown  { background: var(--unknown-bg); color: var(--unknown-fg); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12px; color: var(--muted); margin: 8px 2px 0; }
.legend .sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 4px; vertical-align: -1px; }

/* Synoptic */
.pressure { display: inline-block; font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 99px; margin-right: 8px; background: var(--soft); border: 1px solid var(--border); }
blockquote { margin: 10px 0; padding: 8px 12px; border-left: 3px solid var(--accent); background: var(--soft); color: var(--muted); font-style: italic; border-radius: 0 8px 8px 0; font-size: 14px; }
.links { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; margin-top: 8px; }
.links a { text-decoration: none; }
.links a::before { content: "↗ "; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.chip { display: block; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--border); background: var(--soft); font-size: 12px; text-decoration: none; color: var(--text); }
.chip b { display: block; font-size: 12px; }
.chip span { color: var(--muted); }

/* Detail dialog */
dialog#detail {
  border: 0; padding: 0; width: 100%; max-width: 640px; max-height: 92vh; border-radius: 16px 16px 0 0;
  margin: auto auto 0; background: var(--card); color: var(--text);
}
@media (min-width: 700px) { dialog#detail { border-radius: 16px; margin: auto; max-height: 86vh; } }
dialog#detail::backdrop { background: rgba(15, 23, 42, .5); }
.detail-inner { padding: 16px 18px 24px; overflow-y: auto; max-height: inherit; }
.detail-head { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 10px; }
.detail-head h2 { font-size: 19px; }
.detail-head .sub { color: var(--muted); font-size: 13px; }
.close { margin-left: auto; border: 0; background: var(--soft); color: var(--text); width: 34px; height: 34px; border-radius: 50%; font-size: 18px; cursor: pointer; flex: none; }
.verdict { display: flex; align-items: center; gap: 12px; padding: 12px; border-radius: 10px; margin-bottom: 12px; }
.verdict .pct { font-size: 30px; font-weight: 800; line-height: 1; }
.verdict .headline { font-weight: 600; }
.verdict .small { font-size: 12px; opacity: .85; }
.kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; margin: 8px 0 12px; }
.kv div { background: var(--soft); border-radius: 8px; padding: 8px 10px; font-size: 14px; }
.kv small { display: block; font-size: 11px; color: var(--muted); font-weight: 600; }
.arrow { display: inline-block; font-weight: 700; }
.detail-inner h3 { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 16px 0 6px; }
.checks { list-style: none; padding: 0; margin: 0; }
.checks li { display: flex; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.checks li:last-child { border-bottom: 0; }
.checks .res { flex: none; width: 46px; font-size: 11px; font-weight: 700; text-transform: uppercase; text-align: center; border-radius: 6px; padding: 2px 0; height: fit-content; }
.res-pass { background: var(--go-bg); color: var(--go-fg); }
.res-warn { background: var(--marginal-bg); color: var(--marginal-fg); }
.res-fail { background: var(--nogo-bg); color: var(--nogo-fg); }
.res-na   { background: var(--unknown-bg); color: var(--unknown-fg); }
.checks .detail { display: block; color: var(--muted); font-size: 13px; }
.warning { background: var(--warn-bg); border-left: 4px solid var(--warn-border); border-radius: 0 8px 8px 0; padding: 10px 12px; margin-bottom: 8px; font-size: 14px; }
.warning.abort { background: var(--nogo-bg); border-left-color: var(--nogo); }
.warning.info { background: var(--soft); border-left-color: var(--accent); }
.warning b { display: block; }
.warning dl { margin: 6px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 2px 8px; font-size: 13px; }
.warning dt { font-weight: 600; color: var(--muted); }
.warning dd { margin: 0; }
.explanation { font-size: 15px; white-space: pre-line; }

/* History */
.history ul { list-style: none; padding: 0; margin: 0; }
.history li { display: flex; gap: 10px; padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.history li:last-child { border-bottom: 0; }
.history .cur { font-weight: 700; }

/* Footer / disclaimer */
.footer { padding-bottom: 32px; font-size: 13px; }
.disclaimer { border: 1px solid var(--border); background: var(--card); border-radius: var(--radius); padding: 14px 16px; margin: 20px 0 10px; }
.disclaimer h2 { font-size: 14px; margin-bottom: 4px; }
.disclaimer p { margin: 0; color: var(--muted); }

.ack { position: fixed; inset: 0; z-index: 2000; background: rgba(15, 23, 42, .6); display: flex; align-items: center; justify-content: center; padding: 16px; }
.ack[hidden] { display: none; }
.ack-card { background: var(--card); color: var(--text); border-radius: 16px; padding: 20px; max-width: 420px; }
.ack-card p { color: var(--muted); }
.ack-card button { width: 100%; padding: 12px; border: 0; border-radius: 10px; background: var(--accent); color: #fff; font: inherit; font-weight: 600; cursor: pointer; }