/* Watch Map. Tokens and decisions are described in DESIGN.md. */

:root {
  --void: #04070c;
  --navy: #0a121e;
  --navy-2: #0f1b2c;
  --line: #1d3047;
  --line-hi: #32506e;
  --ink: #d3dee8;
  --ink-dim: #7d91a6;
  --cyan: #5fd0de;
  --cyan-wash: rgba(95, 208, 222, 0.1);
  --l3: #ff4136;
  --l2: #ff8b1f;
  --l1: #f0c330;
  --l0: #8a96a3;

  --font-label: "Barlow Condensed", "Roboto Condensed", "Arial Narrow", sans-serif;
  --font-data: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --feed-w: 348px;
  --detail-w: 392px;
  --gap: 12px;
  --bracket: 12px;

  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { height: 100%; margin: 0; }

body {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  height: 100dvh;
  overflow: hidden;
  background: var(--void);
  color: var(--ink);
  font: 400 13px/1.5 var(--font-data);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p, ul, ol, dl, dd, fieldset { margin: 0; padding: 0; }
ul, ol { list-style: none; }
fieldset { border: 0; min-width: 0; }
button { font: inherit; color: inherit; }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

.skip {
  position: absolute; left: 8px; top: -60px; z-index: 10;
  padding: 8px 12px; background: var(--cyan); color: var(--void);
}
.skip:focus { top: 8px; }

/* Shared label and value styles */
.k {
  font: 500 12px/1 var(--font-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.v { font: 500 13px/1 var(--font-data); color: var(--ink); font-variant-numeric: tabular-nums; }

.tag {
  font: 400 11px/1 var(--font-data);
  color: var(--ink-dim);
  white-space: nowrap;
}
.tag--warn { color: var(--l1); border: 1px dashed var(--l1); padding: 3px 5px; }

/* ---------- Example-data banner ---------- */

.banner {
  grid-row: 1;
  padding: 4px 12px;
  background: var(--cyan);
  color: var(--void);
  font: 600 12px/1 var(--font-label);
  letter-spacing: 0.32em;
  text-align: center;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
}

/* ---------- Status bar ---------- */

.bar {
  grid-row: 2;
  display: flex;
  align-items: stretch;
  min-height: 46px;
  background: var(--navy);
  border-bottom: 1px solid var(--line);
}
.bar > * {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  border-right: 1px solid var(--line);
}

.bar__id h1 {
  font: 600 20px/1 var(--font-label);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  white-space: nowrap;
}
.bar__mark {
  width: 11px; height: 11px;
  border: 2px solid var(--cyan);
  transform: rotate(45deg);
}

.bar__counts { gap: 18px; flex: 1; justify-content: center; }
.cnt { display: flex; align-items: center; gap: 7px; white-space: nowrap; }
.cnt--l3 { --c: var(--l3); } .cnt--l2 { --c: var(--l2); }
.cnt--l1 { --c: var(--l1); } .cnt--l0 { --c: var(--l0); }
.cnt__glyph { width: 8px; height: 8px; background: var(--c); transform: rotate(45deg); }
.cnt__k {
  font: 500 13px/1 var(--font-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c);
}
.cnt__v { font: 500 17px/1 var(--font-data); min-width: 2ch; font-variant-numeric: tabular-nums; }
.cnt.is-zero { opacity: 0.45; }

.bar__clocks .v { min-width: 9ch; }
.bar__clocks .k:not(:first-child) { margin-left: 8px; }

.switch {
  border: 0;
  border-right: 0;
  background: none;
  cursor: pointer;
  font: 500 13px/1 var(--font-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
  white-space: nowrap;
}
.switch:hover { background: var(--navy-2); }
.switch:focus-visible { outline-offset: -3px; }
.switch__lamp { width: 9px; height: 9px; border: 1px solid var(--ink-dim); border-radius: 50%; }
.switch__state { font: 500 13px/1 var(--font-data); min-width: 3ch; text-align: left; }
.switch[aria-pressed="true"] { color: var(--ink); }
.switch[aria-pressed="true"] .switch__lamp {
  background: var(--l2); border-color: var(--l2); box-shadow: 0 0 8px var(--l2);
}
.switch[aria-pressed="true"] .switch__state { color: var(--cyan); }

/* ---------- Stage and map ---------- */

.stage { grid-row: 3; position: relative; min-height: 0; overflow: hidden; }

#map { position: absolute; inset: 0; z-index: 0; background: var(--void); font: inherit; }
#map:focus-visible { outline-offset: -2px; }

/* Push the neutral gray basemap toward navy. */
.leaflet-tile-pane { filter: sepia(0.5) hue-rotate(175deg) saturate(1.7) brightness(0.92) contrast(1.06); }

/* Screen blending makes the heat layer glow over the dark base instead of covering it. */
.leaflet-overlay-pane { mix-blend-mode: screen; }
.leaflet-heatmap-layer { opacity: 0.92; }
.graticule { stroke: var(--cyan); stroke-opacity: 0.11; fill: none; }

/* Scanlines and vignette: texture only, never interactive. */
.fx {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    repeating-linear-gradient(to bottom, rgba(180, 220, 255, 0.028) 0 1px, transparent 1px 3px),
    radial-gradient(ellipse at center, transparent 58%, rgba(2, 4, 8, 0.62) 100%);
}

/* Leaflet chrome */
.leaflet-container a { color: var(--ink-dim); }
.leaflet-container .leaflet-control-attribution {
  margin: 0;
  padding: 3px 8px;
  background: rgba(4, 7, 12, 0.82);
  color: var(--ink-dim);
  font: 400 10px/1.4 var(--font-data);
}
.leaflet-control-attribution a { text-decoration: underline; }
.leaflet-control-attribution a:hover { color: var(--ink); }
.leaflet-touch .leaflet-bar, .leaflet-bar { border: 1px solid var(--line-hi); border-radius: 0; box-shadow: none; }
.leaflet-bar a, .leaflet-touch .leaflet-bar a {
  width: 30px; height: 30px; line-height: 28px;
  background: var(--navy); color: var(--ink);
  border-bottom: 1px solid var(--line);
  border-radius: 0 !important;
  font: 400 18px/28px var(--font-data);
}
.leaflet-bar a:hover, .leaflet-bar a:focus { background: var(--navy-2); color: var(--cyan); }
.leaflet-bar a.leaflet-disabled { background: var(--navy); color: var(--line-hi); }
.leaflet-right { transition: transform 180ms ease-out; }
.has-detail .leaflet-right { transform: translateX(calc(-1 * (var(--detail-w) + var(--gap)))); }

/* ---------- Markers ---------- */

.mk-wrap { background: none; border: 0; }
.mk-wrap:focus-visible { outline-offset: 5px; }
.mk { position: relative; width: 100%; height: 100%; display: grid; place-items: center; cursor: pointer; }
.mk--l3 { --c: var(--l3); } .mk--l2 { --c: var(--l2); }
.mk--l1 { --c: var(--l1); } .mk--l0 { --c: var(--l0); }

.mk__shape {
  position: absolute; inset: 15%;
  transform: rotate(45deg);
  background: var(--c);
  border: 1.5px solid var(--c);
  box-shadow: 0 0 0 1.5px rgba(4, 7, 12, 0.9), 0 0 14px color-mix(in srgb, var(--c) 55%, transparent);
}
.mk__num {
  position: relative;
  font: 600 12px/1 var(--font-data);
  color: var(--void);
}
.mk--l0 .mk__num { font-size: 10px; }

/* Unconfirmed: hollow, dashed, flagged with a question mark. */
.mk--unc { opacity: 0.86; }
.mk--unc .mk__shape { background: rgba(4, 7, 12, 0.8); border-style: dashed; box-shadow: 0 0 0 1.5px rgba(4, 7, 12, 0.6); }
.mk--unc .mk__num { color: var(--c); }
.mk__q {
  position: absolute; top: -8px; right: -8px;
  font: 600 11px/1 var(--font-data);
  color: var(--c);
  text-shadow: 0 0 3px var(--void), 0 0 3px var(--void);
}

/* Level 3 is the only thing on screen that moves by itself. */
.mk__ring { display: none; }
.mk--l3 .mk__ring {
  display: block;
  position: absolute; inset: -3px;
  border: 1.5px solid var(--c);
  border-radius: 50%;
  animation: ping 2.4s cubic-bezier(0.2, 0.6, 0.3, 1) infinite;
}
.mk--l3.mk--unc .mk__ring { border-style: dashed; }
@keyframes ping {
  0% { transform: scale(0.55); opacity: 0.95; }
  80%, 100% { transform: scale(2.5); opacity: 0; }
}

/* Selection reticle */
.mk__lock { display: none; }
.mk.is-selected .mk__lock {
  display: block;
  position: absolute; inset: -10px;
  background:
    linear-gradient(var(--cyan), var(--cyan)) 0 0 / 9px 2px,
    linear-gradient(var(--cyan), var(--cyan)) 0 0 / 2px 9px,
    linear-gradient(var(--cyan), var(--cyan)) 100% 0 / 9px 2px,
    linear-gradient(var(--cyan), var(--cyan)) 100% 0 / 2px 9px,
    linear-gradient(var(--cyan), var(--cyan)) 0 100% / 9px 2px,
    linear-gradient(var(--cyan), var(--cyan)) 0 100% / 2px 9px,
    linear-gradient(var(--cyan), var(--cyan)) 100% 100% / 9px 2px,
    linear-gradient(var(--cyan), var(--cyan)) 100% 100% / 2px 9px;
  background-repeat: no-repeat;
}

/* Hover tooltip */
.leaflet-tooltip.tip-wrap {
  padding: 8px 10px;
  max-width: 300px;
  white-space: normal;
  background: var(--navy);
  border: 1px solid var(--line-hi);
  border-radius: 0;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.6);
  color: var(--ink);
  font: inherit;
}
.leaflet-tooltip-left.tip-wrap::before { border-left-color: var(--line-hi); }
.leaflet-tooltip-right.tip-wrap::before { border-right-color: var(--line-hi); }
.tip { width: max-content; max-width: 280px; }
.tip__lvl { font: 600 12px/1 var(--font-label); letter-spacing: 0.12em; }
.tip__title { margin: 5px 0 4px; font: 500 16px/1.2 var(--font-label); letter-spacing: 0.01em; }
.tip__meta { font-size: 11px; color: var(--ink-dim); white-space: pre-wrap; }

/* ---------- Level and status tags ---------- */

.lvl {
  display: inline-flex; align-items: center; gap: 6px;
  font: 600 13px/1 var(--font-label);
  letter-spacing: 0.12em;
  color: var(--c);
  white-space: nowrap;
}
.lvl--3 { --c: var(--l3); } .lvl--2 { --c: var(--l2); }
.lvl--1 { --c: var(--l1); } .lvl--0 { --c: var(--l0); }
.lvl__glyph { width: 7px; height: 7px; background: var(--c); transform: rotate(45deg); }
.lvl--badge {
  padding: 6px 10px 6px 9px;
  background: var(--c);
  color: var(--void);
  font-size: 15px;
}
.lvl--badge .lvl__glyph { background: var(--void); }

.status {
  font: 500 12px/1 var(--font-label);
  letter-spacing: 0.12em;
  white-space: nowrap;
  padding: 3px 6px;
  border: 1px solid transparent;
}
.status--confirmed { color: var(--ink); border-color: var(--line-hi); }
.status--unconfirmed { color: var(--ink-dim); border: 1px dashed var(--ink-dim); }

/* ---------- Panels ---------- */

.panel {
  position: absolute;
  z-index: 2;
  display: flex;
  flex-direction: column;
  background: rgba(8, 14, 24, 0.95);
  border: 1px solid var(--line);
}
/* Corner brackets, drawn over the border. */
.panel::before {
  content: "";
  position: absolute; inset: -1px; z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(var(--cyan), var(--cyan)) 0 0 / var(--bracket) 2px,
    linear-gradient(var(--cyan), var(--cyan)) 0 0 / 2px var(--bracket),
    linear-gradient(var(--cyan), var(--cyan)) 100% 0 / var(--bracket) 2px,
    linear-gradient(var(--cyan), var(--cyan)) 100% 0 / 2px var(--bracket),
    linear-gradient(var(--cyan), var(--cyan)) 0 100% / var(--bracket) 2px,
    linear-gradient(var(--cyan), var(--cyan)) 0 100% / 2px var(--bracket),
    linear-gradient(var(--cyan), var(--cyan)) 100% 100% / var(--bracket) 2px,
    linear-gradient(var(--cyan), var(--cyan)) 100% 100% / 2px var(--bracket);
  background-repeat: no-repeat;
}

.panel__head {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px 10px 14px;
  border-bottom: 1px solid var(--line);
}
.panel__head h2 {
  font: 600 15px/1 var(--font-label);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.panel__meta { margin-left: auto; font-size: 11px; color: var(--ink-dim); }

.iconbtn, .btn {
  padding: 5px 8px;
  background: none;
  border: 1px solid var(--line-hi);
  cursor: pointer;
  font: 500 12px/1 var(--font-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.iconbtn:hover, .btn:hover { color: var(--cyan); border-color: var(--cyan); }
.iconbtn kbd { margin-left: 5px; font: 400 10px/1 var(--font-data); color: var(--ink-dim); }
.detail .iconbtn { margin-left: auto; }

/* ---------- Feed and filters ---------- */

.feed { top: var(--gap); left: var(--gap); bottom: var(--gap); width: var(--feed-w); }
.feed.is-collapsed { bottom: auto; }
.feed.is-collapsed .feed__body { display: none; }
.feed.is-collapsed .panel__head { border-bottom: 0; }
.feed__body { display: flex; flex-direction: column; min-height: 0; flex: 1; }

.filters { display: grid; gap: 10px; padding: 12px 14px 14px; border-bottom: 1px solid var(--line); }
.seg { display: grid; grid-template-columns: repeat(4, 1fr); }
.seg legend {
  padding-bottom: 5px;
  font: 500 12px/1 var(--font-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.seg label { position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg span {
  display: block;
  padding: 7px 0;
  margin-right: -1px;
  border: 1px solid var(--line-hi);
  text-align: center;
  font: 500 12px/1 var(--font-data);
  text-transform: uppercase;
  color: var(--ink-dim);
}
.seg label:last-child span { margin-right: 0; }
.seg label:hover span { color: var(--ink); }
.seg input:checked + span {
  position: relative; z-index: 1;
  border-color: var(--cyan);
  background: var(--cyan-wash);
  color: var(--cyan);
}
.seg input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: 2px; z-index: 2; position: relative; }

.check {
  position: relative;
  display: flex; align-items: center; gap: 9px;
  cursor: pointer;
  font: 500 13px/1 var(--font-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.check input { position: absolute; opacity: 0; width: 14px; height: 14px; margin: 0; }
.check__box { width: 14px; height: 14px; border: 1px solid var(--line-hi); display: grid; place-items: center; }
.check__box::after { content: ""; width: 6px; height: 6px; background: transparent; }
.check input:checked ~ .check__box { border-color: var(--cyan); }
.check input:checked ~ .check__box::after { background: var(--cyan); }
.check input:checked ~ span:last-child { color: var(--cyan); }
.check input:focus-visible ~ .check__box { outline: 2px solid var(--cyan); outline-offset: 2px; }

.feed__list {
  flex: 1; min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--line-hi) transparent;
}
.feed__list:focus { outline: none; }
.feed__empty { padding: 18px 14px; color: var(--ink-dim); max-width: 34ch; }

.row {
  display: grid; gap: 6px;
  width: 100%;
  padding: 10px 12px 10px 11px;
  background: none;
  border: 0;
  border-left: 3px solid var(--c);
  border-bottom: 1px solid var(--line);
  text-align: left;
  cursor: pointer;
}
.row--l3 { --c: var(--l3); } .row--l2 { --c: var(--l2); }
.row--l1 { --c: var(--l1); } .row--l0 { --c: var(--l0); }
.row--unconfirmed { border-left-style: dashed; }
.row:hover { background: var(--navy-2); }
.row:focus-visible { outline-offset: -2px; }
.row[aria-current="true"] { background: var(--cyan-wash); box-shadow: inset -2px 0 0 var(--cyan); }

.row__top { display: flex; align-items: center; gap: 8px; }
.row__ago { margin-left: auto; font-size: 11px; color: var(--ink-dim); white-space: nowrap; }
.row__title { font: 500 17px/1.22 var(--font-label); letter-spacing: 0.01em; color: var(--ink); }
.row--unconfirmed .row__title { color: #b3c1ce; }
.row__meta { display: flex; justify-content: space-between; gap: 10px; font-size: 11px; color: var(--ink-dim); }
.row__theater { text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink); }

/* ---------- Detail ---------- */

.detail {
  top: var(--gap); right: var(--gap); bottom: var(--gap);
  width: var(--detail-w);
  transform: translateX(calc(100% + var(--gap) + 4px));
  visibility: hidden;
  transition: transform 180ms ease-out, visibility 0s linear 180ms;
}
.detail.is-open { transform: none; visibility: visible; transition: transform 180ms ease-out; }

.detail__body {
  flex: 1; min-height: 0;
  overflow-y: auto;
  padding: 16px 16px 20px;
  border-top: 3px solid var(--c, var(--line));
  scrollbar-width: thin;
  scrollbar-color: var(--line-hi) transparent;
}
.detail__body--l3 { --c: var(--l3); } .detail__body--l2 { --c: var(--l2); }
.detail__body--l1 { --c: var(--l1); } .detail__body--l0 { --c: var(--l0); }
.detail__body--unconfirmed { border-top-style: dashed; }

.detail__badges { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.detail__badges .status { font-size: 14px; padding: 5px 9px; }
.detail__title { margin: 14px 0 16px; font: 600 27px/1.14 var(--font-label); letter-spacing: 0.01em; text-wrap: pretty; }

.detail__facts { display: grid; border-top: 1px solid var(--line); }
.kv { display: grid; grid-template-columns: 84px 1fr; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.kv dt, .detail__section h4 {
  font: 500 12px/1.5 var(--font-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.kv dd { font-size: 12.5px; overflow-wrap: anywhere; }

.detail__section { margin-top: 18px; }
.detail__section h4 { margin-bottom: 6px; }
.detail__summary { font-size: 13px; line-height: 1.68; max-width: 46ch; overflow-wrap: anywhere; }
.detail__sources li { display: grid; gap: 2px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.detail__sources a { color: var(--cyan); text-underline-offset: 3px; overflow-wrap: anywhere; }
.detail__sources a:hover { color: #fff; }
.detail__host, .detail__none { font-size: 11px; color: var(--ink-dim); }
.detail__none { margin-top: 6px; }

/* ---------- Error ---------- */

.error {
  top: 50%; left: 50%;
  width: min(440px, calc(100% - 32px));
  transform: translate(-50%, -50%);
  z-index: 3;
  border-color: var(--l1);
}
.error::before { --cyan: var(--l1); }
.error .panel__head { border-bottom-color: var(--line); }
.error .panel__head h2 { color: var(--l1); }
.error__text { padding: 16px 14px 6px; font: 500 20px/1.25 var(--font-label); }
.error__hint { padding: 0 14px; color: var(--ink-dim); font-size: 12px; }
.error__hint code { color: var(--ink); font: inherit; }
.error .btn { margin: 14px; align-self: flex-start; color: var(--ink); }

.noscript { position: fixed; inset: auto 0 0 0; z-index: 9; margin: 0; padding: 12px; background: var(--l1); color: var(--void); text-align: center; }

/* ---------- Cursor readout ---------- */

.readout {
  position: absolute; z-index: 2;
  left: calc(var(--feed-w) + var(--gap) * 2); bottom: var(--gap);
  display: flex; gap: 18px; align-items: center;
  padding: 6px 10px;
  background: rgba(4, 7, 12, 0.82);
  border: 1px solid var(--line);
  pointer-events: none;
  white-space: nowrap;
}
.readout .v { font-size: 12px; }
.readout__note { color: var(--l1); font-size: 11px; }
.readout__note:empty { display: none; }

/* ---------- Narrow screens ---------- */

@media (max-width: 1180px) {
  .cnt__name { display: none; }
  .bar > * { padding: 0 12px; }
  .bar__counts { gap: 14px; }
}

@media (max-width: 860px) {
  .banner { letter-spacing: 0.18em; font-size: 11px; }
  .bar { flex-wrap: wrap; }
  .bar > * { min-height: 38px; padding: 0 10px; flex: 1 1 auto; border-bottom: 1px solid var(--line); }
  .bar__id { order: 0; }
  .switch { order: 1; flex: 0 0 auto; border-bottom: 1px solid var(--line); }
  .bar__updated { order: 2; }
  .bar__clocks { order: 3; flex: 0 0 auto; border-right: 0; }
  .bar__counts { order: 5; flex-basis: 100%; justify-content: space-around; border-bottom: 0; border-right: 0; }
  .bar__id h1 { font-size: 17px; }
  .bar__clocks .v { min-width: 0; }

  .feed { top: auto; left: 8px; right: 8px; bottom: 8px; width: auto; max-height: 46%; }
  .filters { padding: 10px 12px; gap: 8px; }
  .detail { top: 8px; right: 8px; left: 8px; bottom: 8px; width: auto; z-index: 3; background: #080e18; }
  .readout { display: none; }
  .has-detail .leaflet-right { transform: none; }
  .leaflet-control-zoom { display: none; }
  /* The feed sheet covers the bottom edge, so the map credits move to the top. */
  .leaflet-bottom.leaflet-right { bottom: auto; top: 0; }
}

@media (max-width: 520px) {
  .bar__clocks .k:first-child, #clock-utc { display: none; }
  .bar__clocks .k:not(:first-child) { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .mk--l3 .mk__ring { animation: none; transform: scale(1.5); opacity: 0.55; }
  .detail, .detail.is-open, .leaflet-right { transition: none; }
}