:root {
  --ink: #050505;
  --ink-soft: #111111;
  --fog: #f4f4f2;
  --glacier: #ffffff;
  --cobalt: #e82127;
  --signal: #e82127;
  --muted: #a7a7a7;
  --line: rgba(225, 239, 246, 0.34);
  color-scheme: dark;
  font-family: "DM Sans", sans-serif;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  background: var(--ink);
}

body { overflow: hidden; }

button, a { font: inherit; }

button:focus-visible, a:focus-visible {
  outline: 2px solid var(--glacier);
  outline-offset: 4px;
}

.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;
}

.skip-link {
  position: fixed;
  z-index: 30;
  top: 1rem;
  left: 1rem;
  transform: translateY(-200%);
  padding: .7rem 1rem;
  background: var(--fog);
  color: var(--ink);
}

.skip-link:focus { transform: translateY(0); }

.channel-shell {
  position: relative;
  isolation: isolate;
  width: 100vw;
  height: 100svh;
  min-height: 640px;
  overflow: hidden;
  background: var(--ink);
}

.program-video,
.video-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.program-video {
  z-index: -4;
  object-fit: cover;
  object-position: center;
  padding-left: clamp(18rem, 24vw, 29rem);
}

.video-fallback {
  z-index: -3;
  display: grid;
  place-content: center;
  gap: .5rem;
  background: linear-gradient(135deg, #12344c, #061421 64%);
  text-align: center;
}

.video-fallback a { color: var(--glacier); }

.image-wash {
  position: absolute;
  z-index: -2;
  inset: 0;
  background:
    linear-gradient(90deg, #050505 0 clamp(18rem, 24vw, 29rem), transparent clamp(18rem, 24vw, 29rem)),
    linear-gradient(0deg, rgba(0, 0, 0, .88) 0, transparent 42%),
    linear-gradient(180deg, rgba(0, 0, 0, .35), transparent 18%);
}

.broadcast-grain {
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: .07;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}

.channel-name {
  display: flex;
  align-items: center;
  gap: .75rem;
  color: var(--fog);
  text-decoration: none;
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(1.05rem, 1.55vw, 1.45rem);
  font-weight: 600;
  letter-spacing: .19em;
  text-transform: uppercase;
}

.channel-suffix { color: var(--signal); }

.live-status {
  position: absolute;
  z-index: 3;
  top: clamp(1.25rem, 2.8vw, 2.4rem);
  right: clamp(1.25rem, 3.6vw, 4rem);
  display: flex;
  align-items: center;
  gap: .65rem;
  color: var(--fog);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.live-status time {
  margin-left: .5rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 5px rgba(255, 107, 49, .13);
  animation: pulse 2s ease-in-out infinite;
}

.chapter-rail {
  position: absolute;
  inset: 0 auto clamp(7.6rem, 14vh, 9.2rem) 0;
  width: clamp(18rem, 24vw, 29rem);
  display: flex;
  flex-direction: column;
  padding: clamp(1.6rem, 3.5vw, 3.5rem) clamp(1.5rem, 2.6vw, 3rem);
  border-right: 1px solid rgba(255,255,255,.18);
  background: #050505;
}

.rail-label {
  margin: 0 0 1.35rem;
  color: var(--signal);
  font-family: "Barlow Condensed", sans-serif;
  font-size: .73rem;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.route-stops, .mobile-chapters { list-style: none; margin: 0; padding: 0; }
.side-now { margin-top: clamp(4rem, 9vh, 7rem); }
.side-headline { margin: 0; padding-bottom: 1rem; border-bottom: 2px solid var(--signal); color: var(--fog); font-size: clamp(1.25rem, 1.7vw, 1.65rem); }
.road-visual-frame {
  position: relative;
  display: grid;
  place-items: center;
  width: calc(100% + 1rem);
  min-height: clamp(10rem, 22vh, 14.5rem);
  margin: auto -.5rem;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,.09);
  border-bottom: 1px solid rgba(255,255,255,.09);
  background: radial-gradient(ellipse at 50% 75%, rgba(232,33,39,.11), transparent 58%);
}
.road-visual {
  position: relative;
  z-index: 1;
  display: block;
  width: 112%;
  max-height: clamp(10.5rem, 22vh, 14rem);
  object-fit: contain;
  filter: drop-shadow(0 14px 24px rgba(0,0,0,.5));
  transition: opacity .32s ease, transform .65s cubic-bezier(.2,.75,.25,1);
}
.road-visual.changing { opacity: 0; transform: scale(.965) translateY(5px); }
.sensor-sweep {
  position: absolute;
  left: 50%;
  bottom: 8%;
  width: 82%;
  height: 82%;
  transform: translateX(-50%);
  border: 1px solid rgba(232,33,39,.12);
  border-radius: 50% 50% 12% 12%;
  box-shadow: 0 0 40px rgba(232,33,39,.05) inset;
}
.supervision-copy { display: grid; gap: .35rem; margin-bottom: 2.25rem; }
.supervision-copy strong { color: var(--fog); font-size: clamp(1.15rem, 1.55vw, 1.5rem); font-weight: 500; }
.supervision-copy span { color: var(--muted); font-size: .82rem; }
.side-next { padding-top: 1.55rem; border-top: 1px solid #424242; }
.side-next p { margin: 0 0 .55rem; color: var(--signal); font-family: "Barlow Condensed", sans-serif; font-size: .75rem; letter-spacing: .15em; text-transform: uppercase; }
.side-next strong { color: var(--fog); font-size: .93rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; }

.chapter-button {
  position: relative;
  display: grid;
  grid-template-columns: 12px 1fr;
  align-items: center;
  gap: .75rem;
  width: 100%;
  padding: .42rem 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  text-align: left;
  cursor: pointer;
  transition: color .25s ease;
}

.chapter-button::before {
  content: "";
  z-index: 1;
  width: 7px;
  height: 7px;
  border: 1px solid rgba(255,255,255,.75);
  border-radius: 50%;
  background: var(--ink-soft);
}

.chapter-button span {
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(.68rem, .85vw, .82rem);
  letter-spacing: .09em;
  text-transform: uppercase;
}

.chapter-button.active { color: var(--fog); }
.chapter-button.active::before {
  border-color: var(--signal);
  background: var(--signal);
  box-shadow: 0 0 0 5px rgba(255, 107, 49, .18);
}

.story {
  position: absolute;
  left: calc(clamp(18rem, 24vw, 29rem) + clamp(2.2rem, 4vw, 4.5rem));
  bottom: clamp(9.8rem, 18vh, 12rem);
  width: min(58rem, 65vw);
  text-wrap: balance;
}

.kicker,
.panel-kicker {
  margin: 0 0 .7rem;
  color: var(--signal);
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(.8rem, 1.15vw, 1.05rem);
  font-weight: 600;
  letter-spacing: .19em;
  text-transform: uppercase;
}

.story h1 {
  max-width: 14ch;
  margin: 0;
  color: var(--fog);
  max-width: none;
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(3.25rem, 6.4vw, 7.3rem);
  font-weight: 600;
  letter-spacing: -.025em;
  line-height: .9;
  text-transform: uppercase;
  text-shadow: 0 2px 24px rgba(0,0,0,.24);
}
.story h1 em { color: var(--signal); font-style: normal; }

.dek {
  max-width: 49rem;
  margin: 1rem 0 1.15rem;
  color: #d4d4d4;
  font-size: clamp(.88rem, 1.2vw, 1.08rem);
  line-height: 1.5;
}

.fact-line { display: flex; align-items: center; gap: 1rem; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.fact { padding: .38rem .62rem; border: 1px solid rgba(139,212,255,.5); color: var(--glacier); }
.source-note { color: var(--muted); }

.controls {
  position: absolute;
  right: clamp(1.25rem, 2.4vw, 2.5rem);
  bottom: clamp(9.8rem, 18vh, 12.5rem);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: .45rem;
}

.control-button {
  display: grid;
  grid-template-columns: 1.2rem 0fr;
  gap: .4rem;
  align-items: center;
  width: 2.6rem;
  height: 2.6rem;
  padding: 0 .7rem;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 2rem;
  background: rgba(3,13,21,.56);
  color: var(--fog);
  white-space: nowrap;
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: width .25s ease, border-color .25s ease, background .25s ease;
}

.control-button:hover,
.control-button:focus-visible { width: 8.4rem; border-color: var(--glacier); background: rgba(3,13,21,.82); }
.control-button span:last-child { opacity: 0; transition: opacity .15s ease; }
.control-button:hover span:last-child,
.control-button:focus-visible span:last-child { opacity: 1; }
.primary-control { border-color: rgba(139,212,255,.6); }

.score-control {
  position: relative;
  display: flex;
  align-items: center;
}

.score-control.enabled .control-button {
  border-color: rgba(232,33,39,.82);
  box-shadow: 0 0 20px rgba(232,33,39,.16);
}

.score-mixer {
  position: absolute;
  right: 3.15rem;
  top: 50%;
  width: 13.5rem;
  padding: .58rem .72rem .62rem;
  transform: translateY(-50%);
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(3,13,21,.76);
  color: var(--fog);
  backdrop-filter: blur(14px);
}

.score-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: .35rem;
  font-family: "Barlow Condensed", sans-serif;
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.score-meta span:last-child { color: var(--signal); }

#music-volume {
  display: block;
  width: 100%;
  height: 3px;
  margin: 0;
  accent-color: var(--signal);
  cursor: pointer;
}

.score-now {
  display: block;
  margin-top: .42rem;
  overflow: hidden;
  color: var(--muted);
  font-size: .62rem;
  letter-spacing: .04em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.route-line {
  position: absolute;
  inset: auto 0 0;
  padding: 0 clamp(1.25rem, 3.6vw, 4rem) clamp(1rem, 2.2vh, 1.5rem);
}

.route-meta {
  display: grid;
  grid-template-columns: 4rem 1fr 4rem;
  margin-bottom: .7rem;
  color: var(--muted);
  font-family: "Barlow Condensed", sans-serif;
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.route-meta span:nth-child(2) { color: var(--fog); text-align: center; }
.route-meta span:last-child { text-align: right; }

.track-wrap { position: relative; height: 28px; }
.track-base, .track-fill { position: absolute; top: 10px; left: 0; height: 2px; }
.track-base { width: 100%; background: rgba(255,255,255,.28); }
.track-fill { width: 0; background: var(--signal); }

.route-stops { position: absolute; inset: 0; }
.route-stop { position: absolute; top: 5px; transform: translateX(-50%); }
.route-stop button {
  display: block;
  width: 12px;
  height: 12px;
  padding: 0;
  border: 2px solid var(--muted);
  border-radius: 50%;
  background: var(--ink);
  cursor: pointer;
}
.route-stop button.active { border-color: var(--signal); background: var(--signal); box-shadow: 0 0 0 4px rgba(255,107,49,.17); }

.ticker {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  height: clamp(3rem, 6vh, 4.2rem);
  margin-top: .35rem;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,.18);
  border-bottom: 1px solid rgba(255,255,255,.18);
  background: rgba(3,13,21,.48);
  backdrop-filter: blur(12px);
}
.mobile-chapters { display: none; }

.ticker-label {
  align-self: stretch;
  display: grid;
  place-items: center;
  padding: 0 1.05rem;
  background: var(--fog);
  color: var(--ink);
  font-family: "Barlow Condensed", sans-serif;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.ticker-viewport { overflow: hidden; }
.ticker-copy {
  width: max-content;
  color: #d9e5e9;
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(.85rem, 1.1vw, 1.05rem);
  letter-spacing: .06em;
  text-transform: uppercase;
  animation: crawl 37s linear infinite;
}
.ticker-copy span::after { content: "◆"; margin: 0 2.2rem; color: var(--signal); font-size: .55em; }

.context-panel {
  width: min(38rem, calc(100vw - 2rem));
  padding: clamp(1.7rem, 4vw, 3.2rem);
  border: 1px solid rgba(139,212,255,.35);
  background: rgba(6,20,33,.96);
  color: var(--fog);
  box-shadow: 0 24px 90px rgba(0,0,0,.48);
}
.context-panel::backdrop { background: rgba(0,7,12,.72); backdrop-filter: blur(6px); }
.context-panel h2 { margin: 0 0 1rem; font-family: "Newsreader", serif; font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 300; line-height: 1; }
.context-panel p { color: #c8d5dc; line-height: 1.65; }
.context-panel a { color: var(--glacier); }
.close-button { position: absolute; top: 1rem; right: 1rem; border: 0; background: transparent; color: var(--fog); font-size: 1.8rem; cursor: pointer; }

.story.swap { animation: story-in .55s cubic-bezier(.2,.75,.25,1); }

@keyframes crawl { to { transform: translateX(-50%); } }
@keyframes pulse { 50% { opacity: .45; } }
@keyframes story-in { from { opacity: 0; transform: translateY(18px); filter: blur(4px); } }

@media (max-width: 760px) {
  .channel-shell { min-height: 560px; }
  .program-video { padding-left: 0; }
  .image-wash { background: linear-gradient(0deg, rgba(0,0,0,.93), transparent 63%), linear-gradient(180deg, rgba(0,0,0,.45), transparent 24%); }
  .live-status > span:not(.live-dot) { display: none; }
  .chapter-rail { inset: 0 0 auto; width: 100%; height: 4.2rem; padding: 1rem; border: 0; border-bottom: 1px solid rgba(255,255,255,.18); background: rgba(5,5,5,.78); backdrop-filter: blur(12px); }
  .chapter-rail > *:not(.channel-name) { display: none; }
  .story { left: 1rem; right: 1rem; bottom: 10.3rem; width: auto; }
  .story h1 { font-size: clamp(3.2rem, 15vw, 5.2rem); }
  .dek { max-width: 92%; font-size: .88rem; }
  .fact-line { align-items: flex-start; flex-direction: column; gap: .55rem; }
  .controls { right: 1rem; bottom: 9.75rem; }
  .controls { flex-direction: row; }
  .controls .control-button { display: grid; grid-template-columns: 1fr; width: 2.6rem; }
  .controls .control-button:hover,
  .controls .control-button:focus-visible { width: 2.6rem; }
  .controls .control-button span:last-child { display: none; }
  .score-mixer {
    position: fixed;
    top: 4.8rem;
    right: 1rem;
    bottom: auto;
    width: min(13.5rem, calc(100vw - 2rem));
    transform: none;
  }
  #captions-toggle, #fullscreen-toggle { display: none; }
  .route-line { padding: 0 1rem .8rem; }
  .route-meta { margin-bottom: .2rem; }
  .ticker { grid-template-columns: 5.7rem 1fr; }
  .ticker-label { padding: 0 .7rem; text-align: center; }
  .source-note { display: none; }
}

@media (max-height: 720px) and (min-width: 761px) {
  .story { bottom: 8.7rem; }
  .story h1 { font-size: clamp(3rem, 6vw, 5.6rem); }
  .dek { margin: .65rem 0; }
  .controls { bottom: 8.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}