/* IVAN AIR mobile — TC palette, Open Sans, text-first. Mobile-first; works at 360px. */
:root {
  --tc-blue: #4B72B8;
  --tc-blue-dark: #2f5596;
  --tc-orange: #FBB036;
  --tc-green: #8CA083;
  --tc-light-blue: #C1D4E3;
  --ink: #233240;
  --muted: #55616c;       /* 6.3:1 on white */
  --line: #dde3e8;
  --bg: #ffffff;
  --bg-soft: #f4f7fa;
  /* CAL category colors, exactly as the desktop app / live IVAN app */
  --cal-good: #86C993;
  --cal-moderate: #FFF698;
  --cal-usg: #CE7B27;
  --cal-unhealthy: #C70039;
  --cal-none: #B9BEC3;
}

/* Self-hosted Open Sans (OFL), subset to Latin incl. Spanish accents. Source: fonts/ */
@font-face {
  font-family: "Open Sans"; font-weight: 400; font-style: normal; font-display: swap;
  src: url("fonts/OpenSans-Regular.woff") format("woff");
}
@font-face {
  font-family: "Open Sans"; font-weight: 700; font-style: normal; font-display: swap;
  src: url("fonts/OpenSans-Bold.woff") format("woff");
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 "Open Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--tc-blue-dark); }
h1, h2, h3 { color: var(--tc-blue); line-height: 1.25; margin: 0 0 .4em; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; margin-top: 1.6em; }
h3 { font-size: 1rem; color: var(--ink); }
p { margin: 0 0 .75em; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
:focus-visible { outline: 3px solid var(--tc-blue); outline-offset: 2px; }

.skip { position: absolute; left: -999px; top: 0; background: #fff; padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }

/* ---- header + nav ---- */
.top {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 10px 16px; max-width: 640px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); min-height: 44px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text b { color: var(--tc-blue); font-size: 1.1rem; }
.brand-text small { color: var(--muted); font-size: .8rem; }
.lang {
  font: inherit; font-size: .875rem; font-weight: 700; color: var(--tc-blue-dark);
  background: none; border: 1px solid var(--tc-blue); border-radius: 22px;
  min-height: 44px; padding: 0 14px; cursor: pointer; white-space: nowrap; flex: none;
}
.tabs { display: flex; max-width: 640px; margin: 0 auto; padding: 0 8px; border-bottom: 1px solid var(--line); }
.tabs a {
  flex: 1; text-align: center; padding: 12px 4px; min-height: 44px;
  text-decoration: none; color: var(--muted); font-weight: 700; font-size: .9rem;
  border-bottom: 3px solid transparent;
}
.tabs a[aria-current="page"] { color: var(--tc-blue); border-bottom-color: var(--tc-orange); }

main { max-width: 640px; margin: 0 auto; padding: 16px 16px 8px; }
main:focus, h1:focus { outline: none; }   /* focus moves here on navigation for screen readers */

/* ---- buttons + inputs ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 700; min-height: 48px; padding: 8px 20px; text-align: center;
  border-radius: 24px; border: 0; cursor: pointer; text-decoration: none;
  background: var(--tc-blue); color: #fff; width: 100%;
}
.btn:disabled { opacity: .7; cursor: progress; }
.btn-quiet { background: none; color: var(--tc-blue-dark); border: 1px solid var(--tc-blue); }
input[type="search"], select {
  font: inherit; width: 100%; min-height: 48px; padding: 8px 12px;
  border: 1px solid #9aa6b0; border-radius: 8px; background: #fff; color: var(--ink);
}
label { display: block; font-weight: 700; margin: 12px 0 4px; }
.notice { color: var(--ink); background: var(--bg-soft); padding: 10px 12px; border-radius: 8px; }

/* ---- monitor rows ---- */
.rows { list-style: none; margin: 8px 0 0; padding: 0; }
.row {
  display: flex; align-items: center; gap: 12px; min-height: 56px; padding: 8px 4px;
  border-bottom: 1px solid var(--line); text-decoration: none; color: var(--ink);
}
.row-main { flex: 1; min-width: 0; }
.row-main b { display: block; overflow-wrap: anywhere; }
.row-main small { color: var(--muted); }
.row-val { font-size: .85rem; text-align: right; max-width: 40%; }
.row.off { color: var(--muted); }
.group-h { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 18px 0 0; }

/* ---- category swatches (always shown with a text label) ---- */
.sw {
  display: inline-block; flex: none; width: 18px; height: 18px; border-radius: 4px;
  border: 1px solid rgba(35, 50, 64, .35); background: var(--cal-none);
}
.sw.big { width: 56px; height: 56px; border-radius: 8px; }
.c-good { background: var(--cal-good); }
.c-moderate { background: var(--cal-moderate); }
.c-usg { background: var(--cal-usg); }
.c-unhealthy { background: var(--cal-unhealthy); }
.c-none { background: #fff; border-style: dashed; }

/* ---- monitor page ---- */
.back { display: inline-flex; align-items: center; min-height: 44px; font-weight: 700; text-decoration: none; }
.hero { display: flex; align-items: center; gap: 14px; margin: 8px 0 10px; }
.hero-cat { font-size: 1.25rem; font-weight: 700; margin: 0; }
.hero-num { margin: 0; color: var(--muted); }
.hero-num b { color: var(--ink); font-size: 1.25rem; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; margin: 8px 0; }
.stats dt { color: var(--muted); font-size: .85rem; }
.stats dd { margin: 0 0 6px; font-weight: 700; }
.period-head { display: flex; align-items: center; gap: 10px; }

/* hour-by-hour bars */
.hourly { margin-top: 12px; }
.hourly svg { width: 100%; height: 120px; display: block; touch-action: manipulation; cursor: pointer; }
.hourly .plot { position: relative; margin-top: 20px; }
.hourly .ticks { position: absolute; inset: 0; pointer-events: none; }
.hourly .tick { position: absolute; left: 0; transform: translateY(-110%); font-size: .7rem; color: var(--muted); }
.hourly .axis { display: flex; justify-content: space-between; font-size: .75rem; color: var(--muted); }
.readout { min-height: 1.5em; font-size: .9rem; margin-top: 4px; }

/* day squares: 7 columns, one per weekday, 44px+ tap targets at 360px */
.days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin: 8px 0 4px; }
.days .wd { text-align: center; font-size: .75rem; color: var(--muted); }
.day {
  aspect-ratio: 1; min-height: 40px; border-radius: 6px; padding: 0; cursor: pointer;
  border: 1px solid rgba(35, 50, 64, .35); font: inherit; font-size: .75rem; color: var(--ink);
  display: flex; align-items: flex-end; justify-content: flex-end;
}
.day span { padding: 2px 4px; background: rgba(255, 255, 255, .85); border-radius: 0 0 5px 0; line-height: 1.2; }
.day.pad { visibility: hidden; }
.day[aria-pressed="true"] { outline: 3px solid var(--ink); outline-offset: 1px; }

.counts { list-style: none; padding: 0; margin: 6px 0; }
.counts li { display: flex; align-items: center; gap: 10px; padding: 4px 0; }
.counts li b { margin-left: auto; }

.legend { list-style: none; padding: 0; margin: 8px 0; }
.legend li { display: grid; grid-template-columns: 24px 1fr; gap: 4px 10px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.legend li .sw { margin-top: 3px; }
.legend li p { margin: 0; grid-column: 2; }

.actions { display: grid; gap: 10px; margin: 20px 0; }

/* ---- maps ---- */
/* "Choose a monitor" / "Choose on a map" switch */
.seg { display: flex; margin: 20px 0 12px; border: 1px solid var(--tc-blue); border-radius: 22px; overflow: hidden; }
.seg button {
  flex: 1; min-height: 44px; padding: 8px 6px; border: 0; background: none; cursor: pointer;
  font: inherit; font-size: .9rem; font-weight: 700; color: var(--tc-blue-dark);
}
.seg button + button { border-left: 1px solid var(--tc-blue); }
.seg button[aria-pressed="true"] { background: var(--tc-blue); color: #fff; }
.map-pick { height: 60vh; min-height: 300px; max-height: 520px; border-radius: 8px; overflow: hidden; background: var(--bg-soft); }
.minimap { height: 144px; margin: 4px 0 16px; border-radius: 8px; overflow: hidden; background: var(--bg-soft); }   /* ~1.5in */
.map-failed { height: auto; min-height: 0; background: none; }
.map-key { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 14px; padding: 0; margin: 8px 0; font-size: .85rem; }
.map-key li { display: flex; align-items: center; gap: 6px; }
.maplibregl-popup-content { font: inherit; color: var(--ink); padding: 12px 14px; border-radius: 8px; }
.maplibregl-popup-content p { margin: 0 0 8px; }
.maplibregl-popup-close-button { width: 32px; height: 32px; font-size: 20px; }
.pop-name { padding-right: 24px; }
.pop-cat { display: flex; align-items: center; gap: 6px; }
.maplibregl-popup-content .btn { display: block; text-align: center; color: #fff; }

/* ---- community page ---- */
.lead-dates { font-size: 1.1rem; font-weight: 700; margin: 0; }
/* month squares reuse the day-square look, flowing as many per row as fit */
.days.months { grid-template-columns: repeat(auto-fill, minmax(44px, 1fr)); }
.days.months .day { aspect-ratio: auto; height: 40px; }
/* each monitor folds into a tappable row */
.cmon { border-bottom: 1px solid var(--line); }
.cmon summary {
  display: flex; align-items: center; gap: 10px; min-height: 56px; padding: 8px 4px;
  cursor: pointer; list-style: none;
}
.cmon summary::-webkit-details-marker { display: none; }
.sum-main { flex: 1; min-width: 0; }
.sum-main b { display: block; overflow-wrap: anywhere; }
.sum-main small { color: var(--muted); }
.chev {
  flex: none; width: 10px; height: 10px; margin: 0 4px;
  border-right: 2px solid var(--tc-blue-dark); border-bottom: 2px solid var(--tc-blue-dark);
  transform: rotate(45deg) translate(-2px, -2px); transition: transform .15s;
}
.cmon[open] .chev { transform: rotate(-135deg) translate(-2px, -2px); }
.cmon-body { padding: 0 4px 8px 32px; }
.cmon-body > p { margin: 0 0 6px; }
.runs { list-style: none; padding: 0; margin: 4px 0 8px; font-size: .9rem; }
.runs li { padding: 2px 0; }
.run-line { display: flex; align-items: center; gap: 8px; }
.runs .sw { width: 14px; height: 14px; }
.runs .flag-note { margin: 4px 0 6px 22px; }

/* data-quality flags: a modest outlined label, dark orange (7.9:1 on white) */
.pill {
  display: inline-block; flex: none; font-size: .75rem; font-weight: 700; line-height: 1.5;
  color: #8a3c00; border: 1px solid #b35900; border-radius: 999px; padding: 0 8px;
  background: #fff; white-space: nowrap; vertical-align: 1px;
}
.flag-note { margin: 0 0 8px; }
/* flagged runs: hatched instead of a category fill */
.hatch {
  background: repeating-linear-gradient(135deg, #fff 0 3px, #b35900 3px 5px);
  border-color: #b35900 !important;
}
.tl-key { display: flex; align-items: center; gap: 6px; margin: 6px 0 0; color: var(--muted); }
.tl-key .sw { width: 14px; height: 14px; }
/* timeline: one track per monitor across the whole snapshot */
.tl { margin: 8px 0 4px; }
.tl-axis { position: relative; height: 1.2em; font-size: .75rem; color: var(--muted); }
.tl-axis span { position: absolute; top: 0; }
.tl-row { margin: 6px 0 0; }
.tl-name { display: block; font-size: .8rem; line-height: 1.3; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tl-track { position: relative; height: 12px; background: var(--bg-soft); border-radius: 3px; }
.tl-bar { position: absolute; top: 0; bottom: 0; border-radius: 3px; border: 1px solid rgba(35, 50, 64, .35); }

/* compare table */
.cmp { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: .9rem; }
.cmp th, .cmp td { text-align: left; vertical-align: top; padding: 8px 6px; border-bottom: 1px solid var(--line); }
.cmp thead th { color: var(--tc-blue); }
.cmp td .sw { width: 14px; height: 14px; vertical-align: -2px; margin-right: 4px; }

/* ---- footer ---- */
.foot { max-width: 640px; margin: 24px auto 0; padding: 16px 16px 32px; border-top: 1px solid var(--line); font-size: .875rem; }
.foot .desktop { display: inline-flex; align-items: center; min-height: 44px; font-weight: 700; }
.logos { display: flex; align-items: center; gap: 20px; margin: 8px 0 12px; }
.logos img { height: 40px; width: auto; }