/* Shared styles for the pages (patrols, dives, army, zones, grids).
   Colour roles: light and dark are separately chosen steps of the same hues,
   validated against their own surfaces (dataviz palette, slots 1-3). */

.viz-root {
  color-scheme: light;
  --page:           #f9f9f7;
  --surface-1:      #fcfcfb;
  --land:           #e6e5df;
  --coast:          #c3c2b7;
  --grid:           #ecebe6;
  --text-primary:   #0b0b0b;
  --text-secondary: #52514e;
  --text-muted:     #898781;
  --border:         rgba(11,11,11,0.10);
  --track-other:    #b9b8b0;
  --wash:           rgba(11,11,11,0.05);
  --series-track:   #2a78d6;   /* slot 1 blue   — selected patrol's track */
  --series-attack:  #eb6834;   /* slot 2 orange — torpedo attacks */
  --series-air:     #1baf7a;   /* slot 3 aqua   — aircraft contacts */
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) .viz-root {
    color-scheme: dark;
    --page:           #0d0d0d;
    --surface-1:      #1a1a19;
    --land:           #33332f;
    --coast:          #55554e;
    --grid:           #222220;
    --text-primary:   #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted:     #898781;
    --border:         rgba(255,255,255,0.10);
    --track-other:    #5b5a55;
    --wash:           rgba(255,255,255,0.06);
    --series-track:   #3987e5;
    --series-attack:  #d95926;
    --series-air:     #199e70;
  }
}
:root[data-theme="dark"] .viz-root {
  color-scheme: dark;
  --page: #0d0d0d; --surface-1: #1a1a19; --land: #33332f; --coast: #55554e; --grid: #222220;
  --text-primary: #ffffff; --text-secondary: #c3c2b7; --text-muted: #898781;
  --border: rgba(255,255,255,0.10); --track-other: #5b5a55; --wash: rgba(255,255,255,0.06);
  --series-track: #3987e5; --series-attack: #d95926; --series-air: #199e70;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; }
body.viz-root { background: var(--page); color: var(--text-primary);
                font: 14px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif; }
.app { display: grid; grid-template-rows: auto auto auto 1fr; height: 100vh; padding: 16px 20px; gap: 12px; }

header h1 { font-size: 20px; font-weight: 600; margin: 0; }
header p { margin: 2px 0 0; color: var(--text-secondary); }
header a { color: inherit; }

/* Filter row: one row, above everything it scopes */
.filters { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button { font: inherit; background: var(--surface-1); color: var(--text-secondary); border: 0;
              padding: 6px 12px; cursor: pointer; border-right: 1px solid var(--border); }
.seg button:last-child { border-right: 0; }
.seg button:hover { background: var(--wash); }
.seg button[aria-pressed="true"] { color: var(--text-primary); font-weight: 600; background: var(--wash); }
.check { display: inline-flex; gap: 6px; align-items: center; color: var(--text-secondary); margin-left: 12px; }
.pick { display: inline-flex; gap: 6px; align-items: center; color: var(--text-secondary); margin-right: 6px; }
.pick select { font: inherit; background: var(--surface-1); color: var(--text-primary); border: 1px solid var(--border);
               border-radius: 8px; padding: 5px 8px; }

/* Stat tiles */
.stats { display: flex; gap: 10px; flex-wrap: wrap; min-height: 62px; }
.tile { background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px; padding: 8px 14px; min-width: 120px; }
.tile .label { color: var(--text-muted); font-size: 12px; }
.tile .value { font-size: 20px; font-weight: 600; }
.tile .sub { color: var(--text-secondary); font-size: 12px; }

.main { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 12px; min-height: 0; }
.card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 10px; min-height: 0; }

/* Side panel: patrol list (All view) or patrol log (single patrol) — doubles as the table view */
.side { display: grid; grid-template-rows: auto 1fr; overflow: hidden; }
.side-head { padding: 12px 14px 8px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.side-head h2 { font-size: 14px; margin: 0; }
.side-head .seg button { padding: 3px 8px; font-size: 12px; }
.list { overflow-y: auto; position: relative; }
.row { display: grid; grid-template-columns: 16px 1fr; gap: 8px; width: 100%; text-align: left; font: inherit;
       background: none; border: 0; border-bottom: 1px solid var(--border); padding: 8px 14px; color: var(--text-primary); cursor: pointer; }
.row:hover, .row:focus-visible { background: var(--wash); outline: none; }
.row.current { background: var(--wash); box-shadow: inset 3px 0 0 var(--series-track); }
.row.future { color: var(--text-muted); }
.row .when { font-size: 12px; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
.row.future .when { color: var(--text-muted); }
.row .what { font-weight: 600; }
.row .note { color: var(--text-secondary); font-size: 13px; }
.row .fixnote { color: var(--text-muted); font-size: 12px; font-style: italic; }
.row svg { margin-top: 3px; overflow: visible; }
.pcard { display: block; width: 100%; text-align: left; font: inherit; color: var(--text-primary); cursor: pointer;
         background: none; border: 0; border-bottom: 1px solid var(--border); padding: 12px 14px; }
.pcard:hover, .pcard.hot { background: var(--wash); }
.pcard .t { font-weight: 600; }
.pcard .d { color: var(--text-secondary); font-size: 13px; }
.pcard .n { color: var(--text-muted); font-size: 12px; margin-top: 2px; }

/* Tooltip: value leads, label follows */
#tip { position: fixed; z-index: 10; pointer-events: none; display: none; max-width: 320px;
       background: var(--surface-1); color: var(--text-primary); border: 1px solid var(--border);
       border-radius: 8px; padding: 8px 10px; box-shadow: 0 4px 16px rgba(0,0,0,0.18); font-size: 12px; }
#tip .v { font-size: 14px; font-weight: 600; }
#tip .k { color: var(--text-secondary); }
#tip .m { color: var(--text-muted); margin-top: 4px; }
#tip .i { color: var(--text-muted); font-style: italic; }

/* Scan viewer */
dialog { border: 1px solid var(--border); border-radius: 10px; padding: 0; width: min(1000px, 94vw);
         max-height: 92vh; background: var(--surface-1); color: var(--text-primary); }
dialog::backdrop { background: rgba(0,0,0,0.55); }
.dlg-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 14px;
            border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--surface-1); }
.dlg-head a { color: var(--text-secondary); font-size: 13px; }
.dlg-head button { font: inherit; border: 1px solid var(--border); background: none; color: var(--text-primary);
                   border-radius: 6px; padding: 4px 10px; cursor: pointer; }
.dlg-body { overflow: auto; max-height: calc(92vh - 52px); }
.dlg-body img { display: block; width: 100%; cursor: zoom-in; }
.dlg-body img.full { width: auto; max-width: none; cursor: zoom-out; }

/* Page-to-page navigation */
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { white-space: nowrap; color: var(--text-secondary); text-decoration: none; padding: 6px 12px; border-radius: 8px; border: 1px solid transparent; }
.nav a:hover { background: var(--wash); }
.nav a[aria-current="page"] { color: var(--text-primary); font-weight: 600; border-color: var(--border); background: var(--surface-1); }
/* the other theater's pages, set apart by a rule */
.nav a.theater { margin-left: 8px; position: relative; }
.nav a.theater::before { content: ""; position: absolute; left: -7px; top: 20%; bottom: 20%; border-left: 1px solid var(--text-muted); opacity: .5; }
header { display: flex; align-items: flex-start; gap: 16px; }

/* Explainer pages (zones.html, grids.html): a scrolling article around one map */
.doc { max-width: 1080px; margin: 0 auto; padding: 16px 20px 48px; }
.doc header { margin-bottom: 14px; }
.doc h2 { font-size: 16px; margin: 28px 0 6px; }
.doc p, .doc li { max-width: 72ch; line-height: 1.55; }
.doc p { margin: 8px 0; }
.doc ul { padding-left: 20px; }
.doc a { color: inherit; }
.doc code, .doc .mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12.5px; }
.doc .lede { font-size: 15px; color: var(--text-secondary); }
.doc .filters { margin: 14px 0 8px; }
.doc .map-card { overflow: hidden; }
.doc .map-wrap { position: relative; height: min(62vh, 560px); min-height: 320px; }
.doc .map-wrap svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.doc .caption { padding: 8px 14px 10px; color: var(--text-secondary); font-size: 13px; border-top: 1px solid var(--border); }
.doc .caption b { color: var(--text-primary); }
.doc .legend { display: flex; flex-wrap: wrap; gap: 16px; padding: 10px 14px 6px; color: var(--text-secondary); font-size: 12px; }
.doc .legend span { display: inline-flex; align-items: center; gap: 6px; }
.doc table { border-collapse: collapse; font-size: 13px; margin: 8px 0; }
.doc th, .doc td { text-align: left; padding: 5px 12px 5px 0; border-bottom: 1px solid var(--border); vertical-align: top; }
.doc th { color: var(--text-muted); font-weight: 500; font-size: 12px; }
.doc td.num { font-variant-numeric: tabular-nums; text-align: right; }
.doc .callout { background: var(--surface-1); border: 1px solid var(--border); border-radius: 10px; padding: 12px 16px; margin: 12px 0; }
.doc .muted { color: var(--text-muted); }