.media-transmission-overlay[hidden] {
  display: none !important;
}

.media-transmission-overlay {
  align-items: center;
  display: flex;
  inset: 0;
  justify-content: center;
  padding: max(18px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
  position: fixed;
  z-index: 90;
}

.media-transmission-backdrop {
  background:
    radial-gradient(circle at 50% 35%, rgba(24, 179, 207, 0.16), transparent 44%),
    rgba(0, 5, 8, 0.95);
  inset: 0;
  position: absolute;
}

.media-transmission-card {
  background: linear-gradient(160deg, rgba(4, 22, 28, 0.98), rgba(0, 7, 11, 0.99));
  border: 1px solid #246977;
  box-shadow: 0 0 70px rgba(36, 208, 238, 0.16);
  max-height: calc(100dvh - 32px);
  max-width: 760px;
  overflow: auto;
  padding: clamp(20px, 4vw, 38px);
  position: relative;
  width: 100%;
  z-index: 1;
}

.media-transmission-card::before {
  background: #62e8ff;
  content: "";
  height: 1px;
  left: 0;
  position: absolute;
  top: 0;
  width: 82px;
}

.media-transmission-channel,
.media-transmission-key,
.media-transmission-status {
  color: #69d8ed;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  margin: 0;
  text-transform: uppercase;
}

.media-transmission-key {
  color: #4b8793;
  margin-top: 9px;
  overflow-wrap: anywhere;
}

.media-transmission-title {
  color: #effdff;
  font-size: clamp(1.55rem, 6vw, 2.7rem);
  line-height: 1.06;
  margin: 20px 0 24px;
  text-wrap: balance;
}

.media-transmission-stage {
  background: #00090d;
  border: 1px solid #174b56;
  min-height: 210px;
  overflow: hidden;
  position: relative;
}

.media-transmission-video {
  background: #000;
  display: block;
  max-height: 58vh;
  width: 100%;
}

.media-transmission-audio-wrap {
  align-items: center;
  background:
    repeating-linear-gradient(90deg, transparent 0 11px, rgba(83, 220, 245, 0.055) 11px 12px),
    #020c10;
  display: flex;
  min-height: 230px;
  padding: 26px;
}

.media-transmission-audio {
  filter: saturate(0.6) hue-rotate(128deg);
  width: 100%;
}

.media-interference {
  align-items: center;
  background:
    repeating-linear-gradient(0deg, rgba(78, 226, 255, 0.08) 0 1px, transparent 1px 4px),
    radial-gradient(circle, rgba(37, 206, 236, 0.18), transparent 56%),
    #01080c;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 300px;
  overflow: hidden;
  position: relative;
}

.media-interference::before,
.media-interference::after {
  border: 1px solid rgba(87, 226, 249, 0.36);
  border-radius: 50%;
  content: "";
  height: 120px;
  position: absolute;
  width: 120px;
}

.media-interference::after {
  height: 210px;
  opacity: 0.45;
  width: 210px;
}

.media-interference[data-active="true"]::before {
  animation: media-pulse 0.72s linear infinite;
}

.media-interference[data-active="true"]::after {
  animation: media-pulse 1.15s linear infinite reverse;
}

.media-interference-symbol {
  color: #6eeaff;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 2rem;
  letter-spacing: 0.25em;
  position: relative;
  text-shadow: 0 0 18px rgba(88, 229, 255, 0.8);
  z-index: 1;
}

.media-interference-countdown {
  color: #c8f9ff;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  margin-top: 92px;
  position: relative;
  z-index: 1;
}

.media-transmission-controls {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.media-transmission-start,
.media-transmission-ack {
  align-items: center;
  background: #5fe2fa;
  border: 1px solid #5fe2fa;
  color: #021017;
  cursor: pointer;
  display: flex;
  font: inherit;
  font-weight: 800;
  justify-content: space-between;
  min-height: 58px;
  padding: 0 20px;
  text-transform: uppercase;
}

.media-transmission-ack {
  background: transparent;
  color: #c8faff;
}

.media-transmission-start:disabled,
.media-transmission-ack:disabled {
  cursor: wait;
  opacity: 0.48;
}

.media-transmission-status {
  color: #5effc1;
  line-height: 1.6;
  margin-top: 16px;
}

.media-transmission-error {
  color: #ff7089;
  min-height: 1.3em;
  margin: 12px 0 0;
}

@keyframes media-pulse {
  0% {
    opacity: 0.15;
    transform: scale(0.45);
  }
  65% {
    opacity: 0.75;
  }
  100% {
    opacity: 0;
    transform: scale(1.9);
  }
}

@media (max-width: 560px) {
  .media-transmission-card {
    max-height: calc(100dvh - 18px);
    padding: 20px 16px;
  }

  .media-transmission-stage,
  .media-interference {
    min-height: 220px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .media-interference[data-active="true"]::before,
  .media-interference[data-active="true"]::after {
    animation: none;
  }
}