:root {
  --safe-left: 96px;
  --safe-right: 96px;
  --bottom-gap: 84px;
  --ticker-h: 62px;
  --lt-w: 1040px;
  --lt-h: 132px;
  --red: #d71920;
  --red-deep: #981116;
  --black: rgba(6, 8, 13, 0.96);
  --black-soft: rgba(10, 12, 18, 0.92);
  --white: #ffffff;
  --muted: rgba(255, 255, 255, 0.80);
  --gold: #f2c94c;
}

* { box-sizing: border-box; }

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: transparent;
  font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeSpeed;
}

body { isolation: isolate; }

.stage {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: transparent;
  contain: size layout style paint;
  transform: translateZ(0);
}

.preview-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(135deg, #16334d, #111827);
  background-size: 80px 80px, 80px 80px, 100% 100%;
}

.lower-third {
  position: absolute;
  left: var(--safe-left);
  bottom: calc(var(--bottom-gap) + var(--ticker-h) + 18px);
  width: var(--lt-w);
  height: var(--lt-h);
  display: flex;
  align-items: stretch;
  color: var(--white);
  opacity: 0;
  transform: translate3d(-72px, 22px, 0);
  transform-origin: left bottom;
  transition: transform 340ms cubic-bezier(.16, .84, .22, 1), opacity 180ms linear;
  will-change: transform, opacity;
  contain: layout paint style;
  pointer-events: none;
}

.lower-third[data-state="shown"] {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.lt-accent {
  width: 18px;
  background: var(--red);
  border-radius: 8px 0 0 8px;
}

.lt-main {
  flex: 1;
  min-width: 0;
  padding: 22px 28px 18px 32px;
  background: linear-gradient(90deg, var(--black), var(--black-soft));
  border-top: 1px solid rgba(255,255,255,.14);
  border-bottom: 1px solid rgba(255,255,255,.08);
  overflow: hidden;
}

.lt-name-row {
  display: flex;
  align-items: center;
  gap: 22px;
  min-width: 0;
}

.lt-name {
  display: block;
  min-width: 0;
  max-width: 760px;
  font-size: 52px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: .012em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-transform: uppercase;
}

.lt-title {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 14px;
  font-size: 18px;
  line-height: 36px;
  font-weight: 800;
  letter-spacing: .08em;
  color: #111;
  background: var(--gold);
  border-radius: 4px;
  text-transform: uppercase;
}

.lt-topic {
  margin-top: 12px;
  max-width: 900px;
  font-size: 27px;
  line-height: 1.14;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lt-badge {
  width: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--red);
  color: var(--white);
  border-radius: 0 8px 8px 0;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.ticker-shell {
  position: absolute;
  left: var(--safe-left);
  right: var(--safe-right);
  bottom: var(--bottom-gap);
  height: var(--ticker-h);
  display: flex;
  align-items: stretch;
  color: var(--white);
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition: opacity 150ms linear, transform 220ms cubic-bezier(.16, .84, .22, 1);
  will-change: transform, opacity;
  contain: layout paint style;
  pointer-events: none;
}

.ticker-shell[data-state="stopped"] {
  opacity: 0;
  transform: translate3d(0, 16px, 0);
}

.ticker-label {
  width: 126px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--red);
  border-radius: 6px 0 0 6px;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: .08em;
}

.ticker-mask {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: rgba(6, 8, 13, .96);
  border-top: 1px solid rgba(255,255,255,.10);
  border-bottom: 1px solid rgba(255,255,255,.07);
  border-radius: 0 6px 6px 0;
  contain: strict;
  transform: translateZ(0);
}

.ticker-track {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  transform: translate3d(0, 0, 0);
  will-change: transform;
  contain: layout paint style;
  backface-visibility: hidden;
}

.ticker-text,
.ticker-gap {
  display: inline-block;
  font-size: 32px;
  line-height: var(--ticker-h);
  font-weight: 700;
  letter-spacing: .01em;
}

.ticker-text {
  padding-left: 44px;
  color: rgba(255,255,255,.96);
}

.ticker-gap {
  padding: 0 38px;
  color: var(--gold);
  font-size: 23px;
}

.ticker-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  transform: translateZ(0);
}

.ticker-mask[data-renderer="canvas"] .ticker-track { display: none; }
.ticker-mask[data-renderer="dom"] .ticker-canvas { display: none; }

.stage[data-preset="ndi"] .lt-main {
  background: rgba(6, 8, 13, .96);
}

.stage[data-preset="ndi"] .lt-accent,
.stage[data-preset="ndi"] .lt-badge,
.stage[data-preset="ndi"] .ticker-label {
  background: var(--red);
}

.stage[data-preset="ndi"] .ticker-mask {
  background: rgba(6, 8, 13, .97);
}

.stats-panel {
  position: absolute;
  top: 24px;
  right: 24px;
  min-width: 210px;
  padding: 12px 14px;
  color: #fff;
  background: rgba(0,0,0,.72);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 8px;
  font: 14px/1.45 Arial, Helvetica, sans-serif;
}

.local-controls {
  position: absolute;
  top: 28px;
  left: 28px;
  width: 470px;
  padding: 16px;
  color: #fff;
  background: rgba(0,0,0,.76);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 10px;
  pointer-events: auto;
}

.control-title {
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 10px;
}

.local-controls label {
  display: block;
  margin: 9px 0;
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,.82);
}

.local-controls input,
.local-controls select {
  width: 100%;
  margin-top: 4px;
  border: 0;
  border-radius: 5px;
  padding: 8px 10px;
  font: 14px/1.2 Arial, Helvetica, sans-serif;
}

.local-controls input[type="range"] { padding: 0; }

.button-row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.button-row button {
  flex: 1;
  border: 0;
  border-radius: 5px;
  padding: 9px 10px;
  font: 800 13px/1 Arial, Helvetica, sans-serif;
  color: #fff;
  background: #202938;
  cursor: pointer;
}

.control-help {
  margin-top: 10px;
  font-size: 12px;
  color: rgba(255,255,255,.68);
}

@media (max-aspect-ratio: 16/9) {
  .lower-third { bottom: calc(var(--bottom-gap) + var(--ticker-h) + 16px); }
}