:root {
  color-scheme: dark;
  --page: #050609;
  --matte: #080c18;
  --navy: #111d41;
  --cobalt: #213864;
  --line: #6683b387;
  --paper: #fff3d9;
  --credit-white: #fff;
  --mist: #d0dcef;
  --amber: #ffdb91;
  --ink: #231923;
  --amber-light: #ffe0a0;
  --amber-dark: #d58c4b;
  --control-edge: #a1b9dd;
  --control-highlight: #445b82;
  --control-shadow: #172345;
  --control-active: #101b38;
  --backdrop: #070c2299;
  --stamp: #e0d1b0;
  --signal-falloff: #08061068;
  --scan-dark: #0804101b;
  --phosphor-red: #ff7c8b06;
  --phosphor-blue: #5ba9ff08;
  --tracking-light: #aac9ff10;
  --pal-1: #e6d6b5;
  --pal-2: #d3b374;
  --pal-3: #b7843c;
  --pal-4: #929c3c;
  --pal-5: #73a145;
  --pal-6: #528b5b;
  --pal-7: #487488;
  --pal-8: #476fac;
  --pal-9: #345391;
  --pal-10: #263d71;
  --pal-11: #192a4e;
  --pal-12: #0e162b;
  --display: Tahoma, Verdana, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --beam: linear-gradient(180deg, var(--amber-light), var(--amber-dark));
  --rail: linear-gradient(180deg, var(--cobalt), var(--navy));
  --slate: linear-gradient(155deg, var(--cobalt), var(--navy) 68%);
  --key: linear-gradient(180deg, var(--control-highlight), var(--control-shadow) 74%);
  --raster: repeating-linear-gradient(180deg, transparent 0 2px, var(--scan-dark) 2px 3px),
    repeating-linear-gradient(90deg, var(--phosphor-red) 0 1px, transparent 1px 2px, var(--phosphor-blue) 2px 3px);
  --title-safe: clamp(10px, 3.6vw, 38px);
  font: 16px/1.45 var(--display);
  color: var(--paper);
  background: var(--page);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { overflow-x: clip; }
body { margin: 0; }
p, h1, h2, h3, dl { margin: 0; }
button, input { font: inherit; }
a { color: inherit; text-underline-offset: 0.2em; }
a:hover { color: var(--amber); }
button:focus-visible, input:focus-visible, a:focus-visible, .ticker-viewport:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -3px;
}
::selection { color: var(--ink); background: var(--amber); }

.watch { min-height: 100dvh; display: grid; grid-template-columns: minmax(0, 1fr); place-items: center; }
.watch:fullscreen { background: var(--page); }
.receiver {
  --screen-ratio: 4 / 3;
  position: relative;
  isolation: isolate;
  width: min(100%, calc(100dvh * var(--screen-ratio)));
  min-width: 0;
  aspect-ratio: var(--screen-ratio);
  overflow: clip;
  border-radius: clamp(6px, 1.5vw, 18px);
  background: var(--matte);
}
.receiver[data-format="wide"] { --screen-ratio: 16 / 9; }
.feed {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr) auto;
  background: var(--matte);
}

/* The live picture and on-air menus pass through the same analogue treatment. */
.receiver:not([data-analogue="off"]) :is(.feed, dialog) { filter: url(#analogue-picture); }
.receiver:not([data-analogue="off"])::after,
.receiver:not([data-analogue="off"]) dialog::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 60%, var(--signal-falloff)), var(--raster);
}
.receiver:not([data-analogue="off"])::before {
  content: "";
  position: absolute;
  inset: -12% 0 auto;
  height: 12%;
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, var(--tracking-light), transparent);
  animation: tracking 19s linear infinite;
}
@keyframes tracking {
  0%, 68% { transform: translateY(0); }
  100% { transform: translateY(950%); }
}

.channel-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 65px;
  padding-inline: var(--title-safe);
  border-bottom: 1px solid var(--line);
  background: var(--rail);
}
.tuning {
  position: relative;
  isolation: isolate;
  align-self: stretch;
  display: flex;
  align-items: center;
  min-width: 0;
  padding-right: 27px;
}
.tuning::before {
  content: "";
  position: absolute;
  inset: 0 0 0 calc(-1 * var(--title-safe));
  z-index: -1;
  background: var(--beam);
  clip-path: polygon(0 0, 100% 0, calc(100% - 23px) 100%, 0 100%);
}
.choose { max-width: 100%; gap: 6px; }
.choose .chevron { width: 12px; height: 12px; }
#tuned-place { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lower-third { min-width: 0; border-top: 2px solid var(--amber-dark); background: var(--rail); }

.ticker { position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr); border-bottom: 1px solid var(--line); }
.ticker-label {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  padding-inline: var(--title-safe) 12px;
  color: var(--ink);
  background: var(--beam);
  line-height: 1.15;
}
.ticker-heading { font-size: clamp(0.8rem, 1.75vw, 1.05rem); }
.mode { font: 700 0.63rem/1 var(--mono); white-space: nowrap; }
.ticker-viewport {
  height: 42px;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--control-highlight) var(--navy);
}
.ticker-track, .ticker-items { display: flex; width: max-content; }
.ticker-items { margin: 0; padding: 0; flex: none; list-style: none; }
.ticker-items li {
  display: flex;
  min-height: 37px;
  align-items: center;
  gap: 8px;
  padding-inline: 12px;
  border-right: 1px solid var(--line);
  white-space: nowrap;
  font-size: clamp(0.8rem, 1.65vw, 1rem);
}
.ticker-items strong, .ticker-status { color: var(--amber); }
.ticker-status { font-size: 0.75rem; }
.ticker-viewport[data-scrolling="true"] { overflow-x: clip; }
.ticker-viewport[data-scrolling="true"] .ticker-track { animation: ticker var(--ticker-duration) linear infinite; }
@keyframes ticker { to { transform: translateX(-50%); } }

button {
  min-width: 44px;
  min-height: 44px;
  padding: 6px 9px;
  color: inherit;
  background: var(--key);
  border: 1px solid var(--line);
  border-top-color: var(--control-edge);
  font-size: 0.83rem;
  font-weight: 750;
  cursor: pointer;
}
button:hover { background: var(--cobalt); border-color: var(--control-edge); }
button:active { background: var(--control-active); }
button[aria-pressed="true"] { color: var(--amber); }
.channel-bar button { display: inline-flex; align-items: center; justify-content: center; }
button svg { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.65; }
.controls { display: flex; flex: none; align-items: center; gap: 3px; margin-left: auto; }

.picture { position: relative; min-width: 0; overflow: clip; container-type: size; }
.station-mark {
  position: absolute;
  right: var(--title-safe);
  bottom: clamp(7px, 2cqh, 15px);
  width: clamp(34px, 5.2cqw, 54px);
  height: auto;
  opacity: 0.55;
  pointer-events: none;
}
.satellite { position: absolute; inset: 0; }
.chart {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(93cqw, calc(94cqh * 1.4286));
  aspect-ratio: 1.4286;
}
.colour-strip {
  position: absolute;
  inset: 0 auto 3% 0;
  width: 4.9%;
  background: linear-gradient(
    var(--pal-1) 0 9%, var(--pal-2) 9% 18%, var(--pal-3) 18% 27%, var(--pal-4) 27% 36%,
    var(--pal-5) 36% 45%, var(--pal-6) 45% 54%, var(--pal-7) 54% 63%, var(--pal-8) 63% 72%,
    var(--pal-9) 72% 81%, var(--pal-10) 81% 90%, var(--pal-11) 90% 97%, var(--pal-12) 97%
  );
}
.map-window {
  position: absolute;
  inset: 0 0 0 4.9%;
  overflow: clip;
  background: var(--matte);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
}
.map-window img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; transform-origin: top left; }
.map-message { padding: 14px; text-align: center; font-size: clamp(0.85rem, 2.1cqi, 1.1rem); }
.marker {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 1px solid var(--paper);
  outline: 1px solid var(--ink);
  background: var(--amber);
  transform: translate(-50%, -50%);
}
.scan-stamp {
  position: absolute;
  bottom: 0;
  left: 52%;
  transform: translateX(-50%);
  padding: 1px 8px;
  white-space: nowrap;
  color: var(--ink);
  background: var(--stamp);
  font: 800 clamp(0.7rem, 2.05cqi, 1.12rem)/1.2 var(--mono);
}
.map-flag {
  position: absolute;
  top: 5px;
  right: 5px;
  padding: 4px 7px;
  color: var(--amber);
  background: var(--matte);
  font-size: clamp(0.7rem, 1.5cqi, 0.85rem);
  font-weight: 750;
}

.song-credit {
  position: absolute;
  inset: auto 0 max(17px, 3.8%) 4.9%;
  overflow: clip;
  pointer-events: none;
  color: var(--credit-white);
  text-shadow: 1px 1px 2px var(--page);
  font: 500 clamp(0.85rem, 2.35cqi, 1.35rem)/1.25 var(--display);
  white-space: nowrap;
}
.song-credit span {
  display: block;
  width: max-content;
  padding-left: 100%;
  animation: song-crawl 42s linear infinite;
}
@keyframes song-crawl {
  0%, 9% { transform: translateX(0); }
  55%, 100% { transform: translateX(-100%); }
}
dialog {
  width: min(calc(100% - 24px), calc(100dvh * 1.12), 700px);
  max-height: 85dvh;
  padding: 0;
  color: var(--paper);
  background: var(--slate);
  border: 1px solid var(--control-edge);
  scrollbar-color: var(--control-highlight) var(--navy);
}
dialog::backdrop { background: var(--backdrop); }
.receiver:not([data-analogue="off"]) dialog::after { position: fixed; }
.dialog-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 7px clamp(10px, 3.2vw, 24px);
  color: var(--ink);
  background: var(--beam);
}
.dialog-heading h2 { min-width: 0; font-size: clamp(1.03rem, 3vw, 1.55rem); line-height: 1.16; }
.dialog-heading button { color: var(--paper); }
.dialog-body { padding: 12px clamp(10px, 3.2vw, 24px) 16px; }
dialog label { display: block; color: var(--paper); font-size: 0.87rem; margin-bottom: 5px; }
dialog input[type="search"] {
  width: 100%;
  min-height: 44px;
  padding: 9px;
  color: var(--paper);
  caret-color: var(--amber);
  background: var(--matte);
  border: 1px solid var(--control-edge);
}
dialog input::placeholder { color: var(--mist); }
.town-list { list-style: none; margin: 8px 0 12px; padding: 0; display: grid; gap: 3px; }
.town-list button { display: flex; align-items: center; width: 100%; justify-content: space-between; text-align: left; gap: 10px; }
.town-list span { min-width: 0; overflow-wrap: anywhere; }
#recent-heading { font-size: 0.9rem; }
#search-status, .place-region, .guide-detail { color: var(--mist); font-size: 0.83rem; overflow-wrap: anywhere; }
#search-status { margin-top: 8px; }
.place-region { text-align: right; }
#national { color: var(--amber); }
#tuned-detail { margin-top: 6px; }
#info-dialog section, .picture-setting, .credits { border-top: 1px solid var(--line); padding-top: 9px; margin-top: 9px; }
#info-dialog h3 { margin-bottom: 3px; font-size: 0.91rem; }
.signal-value[data-status="stale"], .signal-value[data-status="demo"] { color: var(--amber); }
.signal-value { font-size: 0.86rem; }
.format-picker { min-width: 0; margin: 0; padding: 0; border: 0; }
.format-picker legend { padding: 0; font-size: 0.91rem; font-weight: 700; }
.format-options { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.format-options label {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  gap: 6px;
  margin: 0;
  padding: 6px 9px;
  border: 1px solid var(--line);
  background: var(--key);
  cursor: pointer;
}
.format-options label:has(:checked) { color: var(--amber); border-color: var(--control-edge); }
.format-options label:has(:focus-visible) { outline: 2px solid var(--amber); outline-offset: -3px; }
.format-options input { margin: 0; accent-color: var(--amber); }
.format-options input:focus-visible { outline: none; }
#analogue { display: flex; gap: 12px; align-items: center; justify-content: space-between; min-width: 165px; }
#analogue-state { font-family: var(--mono); }
.credits { color: var(--mist); font-size: 0.81rem; line-height: 1.45; }
.station-credits { margin-top: 9px; }

.signal-filters, .visually-hidden { position: absolute; }
.visually-hidden { width: 1px; height: 1px; margin: -1px; padding: 0; overflow: clip; clip-path: inset(50%); white-space: nowrap; }

@media (max-aspect-ratio: 1/1) {
  .receiver { width: 100%; aspect-ratio: auto; }
  .feed { position: relative; grid-template-rows: auto auto auto; }
  .picture { aspect-ratio: var(--screen-ratio); }
}
@media (max-width: 460px) {
  .channel-bar { gap: 5px; }
  .tuning { padding-right: 13px; }
  .tuning::before { clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%); }
  .choose { padding-inline: 5px; gap: 3px; }
  .choose svg:first-child { width: 14px; }
  .controls { gap: 2px; }
  .ticker-label { max-width: 88px; padding-inline: 8px; }
  .ticker-heading { font-size: 0.74rem; }
}
@media (max-width: 340px) {
  .controls { gap: 0; }
}
@media (max-height: 460px) and (min-aspect-ratio: 1/1) {
  .channel-bar { min-height: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  .receiver::before { animation: none !important; display: none; }
  .song-credit { white-space: normal; }
  .song-credit span { width: auto; padding: 0 5px; animation: song-glance 42s step-end infinite; }
}
@keyframes song-glance {
  0%, 28% { opacity: 0; }
  9% { opacity: 1; }
}
@media (forced-colors: active) {
  .receiver :is(.feed, dialog) { filter: none !important; }
  .receiver::before, .receiver::after, .receiver dialog::after { display: none; }
  .analogue-setting { display: none; }
}