:root {
  color-scheme: dark;

  --background: #080604;
  --panel: #100b07;
  --panel-soft: #17100a;

  --gold: #d9b15f;
  --gold-bright: #f0cf83;
  --gold-muted: #8f7138;

  --cream: #f6ead0;
  --cream-soft: #d7c7a1;
  --cream-muted: #9e8b65;

  --line: rgba(217, 177, 95, 0.44);
  --shadow: rgba(0, 0, 0, 0.72);
}

* {
  box-sizing: border-box;
}

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

body {
  color: var(--cream);
  font-family:
    Inter,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
}

.receiver-shell {
  position: relative;

  display: grid;
  grid-template-rows:
    clamp(34px, 6.4vh, 76px)
    1fr
    clamp(34px, 6.4vh, 76px);

  width: 100vw;
  height: 100vh;
  min-width: 640px;
  min-height: 360px;

  background:
    radial-gradient(
      circle at 72% 42%,
      rgba(107, 72, 28, 0.12),
      transparent 38%
    ),
    radial-gradient(
      circle at 26% 60%,
      rgba(70, 42, 18, 0.09),
      transparent 42%
    ),
    linear-gradient(
      135deg,
      #060403,
      #0d0906 55%,
      #070503
    );
}

.leather-border {
  position: relative;
  overflow: hidden;

  background-color: #150e09;
  background-image:
    url("assets/srova-leather-dark-brown.jpg");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

.gold-separator {
  position: absolute;
  right: 0;
  left: 0;

  height: 1px;

  background:
    linear-gradient(
      90deg,
      transparent,
      rgba(217, 177, 95, 0.55) 10%,
      rgba(240, 207, 131, 0.9) 50%,
      rgba(217, 177, 95, 0.55) 90%,
      transparent
    );
}

.top-border {
  display: flex;
  align-items: center;

  padding:
    0
    clamp(28px, 6.6vw, 126px);

  background:
    linear-gradient(
      180deg,
      rgba(10, 6, 3, 0.58) 0%,
      rgba(3, 3, 3, 0.84) 100%
    ),
    radial-gradient(
      circle at 50% 0%,
      rgba(201, 168, 76, 0.085),
      transparent 60%
    ),
    url("assets/srova-leather-dark-brown.jpg")
      center 42% / cover no-repeat;

  box-shadow:
    0 14px 34px rgba(0, 0, 0, 0.50),
    inset 0 1px 0 rgba(255, 232, 170, 0.075),
    inset 0 -1px 0 rgba(201, 168, 76, 0.08);
}

.header-wordmark {
  display: block;

  width: clamp(150px, 12vw, 230px);
  max-height: 56%;

  object-fit: contain;
  object-position: left center;

  filter:
    drop-shadow(0 3px 8px rgba(0, 0, 0, 0.72))
    brightness(1.08);
}

.top-border .gold-separator {
  bottom: 0;
}

.bottom-border {
  background:
    linear-gradient(
      180deg,
      rgba(15, 9, 4, 0.76) 0%,
      rgba(5, 3, 2, 0.94) 100%
    ),
    radial-gradient(
      circle at 50% 0%,
      rgba(212, 175, 55, 0.075),
      transparent 54%
    ),
    url("assets/srova-leather-dark-brown.jpg")
      center center / cover no-repeat;

  box-shadow:
    0 -20px 48px rgba(0, 0, 0, 0.62),
    inset 0 1px 0 rgba(255, 232, 170, 0.075),
    inset 0 -1px 0 rgba(0, 0, 0, 0.86);
}

.bottom-border .gold-separator {
  top: 0;
}

.stage {
  display: grid;
  grid-template-columns:
    minmax(330px, 42%)
    minmax(0, 58%);

  gap: clamp(36px, 5vw, 96px);
  align-items: center;

  width: min(92vw, 1760px);
  height: 100%;
  margin: 0 auto;

  padding:
    clamp(18px, 2.6vh, 42px)
    clamp(24px, 2.6vw, 52px);
}

.art-column {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;

  min-width: 0;
}

.art-frame {
  position: relative;

  width: min(40vw, 60vh, 680px);
  max-width: 100%;
  aspect-ratio: 1;

  overflow: hidden;

  border: 1px solid rgba(217, 177, 95, 0.62);
  border-radius: clamp(10px, 1.1vw, 20px);

  background:
    linear-gradient(
      145deg,
      rgba(59, 37, 17, 0.58),
      rgba(11, 7, 4, 0.95)
    );

  box-shadow:
    0 28px 62px var(--shadow),
    0 0 0 1px rgba(255, 237, 195, 0.035) inset,
    0 0 42px rgba(178, 126, 43, 0.08);
}

.artwork {
  position: absolute;
  inset: 0;
  z-index: 2;

  display: block;
  width: 100%;
  height: 100%;

  object-fit: cover;
  background: #0c0805;

  opacity: 0;
  visibility: hidden;
  transform: scale(1.008);

  will-change: opacity, transform;
  transition:
    opacity 420ms cubic-bezier(0.22, 0.72, 0.18, 1),
    transform 520ms cubic-bezier(0.22, 0.72, 0.18, 1),
    visibility 0s linear 420ms;
}

.artwork.is-visible {
  opacity: 1;
  visibility: visible;
  transform: scale(1);

  transition:
    opacity 420ms cubic-bezier(0.22, 0.72, 0.18, 1),
    transform 520ms cubic-bezier(0.22, 0.72, 0.18, 1),
    visibility 0s linear 0s;
}

.art-placeholder {
  position: absolute;
  inset: 0;
  z-index: 1;

  display: flex;
  align-items: center;
  justify-content: center;

  overflow: hidden;
  background: #0c0805;

  opacity: 1;
  visibility: visible;

  will-change: opacity;
  transition:
    opacity 420ms cubic-bezier(0.22, 0.72, 0.18, 1),
    visibility 0s linear 0s;
}

.art-placeholder.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;

  transition:
    opacity 420ms cubic-bezier(0.22, 0.72, 0.18, 1),
    visibility 0s linear 420ms;
}

@media (prefers-reduced-motion: reduce) {
  .artwork,
  .artwork.is-visible,
  .art-placeholder,
  .art-placeholder.is-hidden {
    transition: none;
    transform: none;
  }
}

.placeholder-logo {
  display: block;

  width: 100%;
  height: 100%;

  object-fit: cover;
}

.info-column {
  display: flex;
  flex-direction: column;
  justify-content: center;

  min-width: 0;
  max-width: 940px;
}

.eyebrow-row {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(10px, 1vw, 18px);
  align-items: center;

  min-height: 30px;
  margin-bottom: clamp(18px, 2.2vh, 32px);
}

.status-badge,
.source-badge {
  display: inline-flex;
  align-items: center;

  min-height: clamp(28px, 3vh, 40px);

  padding:
    0
    clamp(12px, 1vw, 18px);

  border: 1px solid var(--line);
  border-radius: 999px;

  font-size: clamp(11px, 0.85vw, 16px);
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.status-badge {
  color: #110c07;
  border-color: transparent;
  background: var(--gold);
}

.state-paused .status-badge {
  color: var(--gold-bright);
  border-color: rgba(217, 177, 95, 0.62);
  background: rgba(76, 50, 19, 0.45);
}

.state-idle .status-badge {
  color: var(--cream-muted);
  border-color: rgba(158, 139, 101, 0.4);
  background: rgba(33, 24, 15, 0.72);
}

.source-badge {
  max-width: min(55vw, 520px);
  overflow: hidden;

  color: var(--cream-soft);
  background: rgba(23, 16, 10, 0.72);

  text-overflow: ellipsis;
  white-space: nowrap;
}

.track-title {
  display: -webkit-box;

  max-width: 100%;
  margin: 0;
  overflow: hidden;

  color: var(--cream);

  font-size: clamp(42px, 4.35vw, 84px);
  font-weight: 670;
  line-height: 1.02;
  letter-spacing: -0.035em;

  text-wrap: balance;
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.66);

  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.track-title.title-long {
  font-size: clamp(36px, 3.65vw, 70px);
  line-height: 1.06;
}

.track-title.title-very-long {
  font-size: clamp(30px, 3vw, 58px);
  line-height: 1.08;
}

.track-artist {
  display: -webkit-box;

  margin:
    clamp(18px, 2.5vh, 32px)
    0
    0;

  overflow: hidden;

  color: var(--gold-bright);

  font-size: clamp(26px, 2.25vw, 44px);
  font-weight: 560;
  line-height: 1.15;

  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.track-artist.artist-long {
  font-size: clamp(22px, 1.9vw, 36px);
}

.track-album {
  display: -webkit-box;

  margin:
    clamp(10px, 1.35vh, 18px)
    0
    0;

  overflow: hidden;

  color: var(--cream-soft);

  font-size: clamp(18px, 1.5vw, 29px);
  font-weight: 420;
  line-height: 1.24;

  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.progress-block {
  margin-top: clamp(28px, 4vh, 54px);

  transition:
    opacity 220ms ease,
    transform 220ms ease;
}

.progress-block.is-hidden {
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
}

.progress-track {
  position: relative;

  width: 100%;
  height: clamp(4px, 0.55vh, 8px);

  overflow: hidden;

  border-radius: 999px;

  background: rgba(158, 139, 101, 0.2);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.8);
}

.progress-fill {
  width: 0;
  height: 100%;

  border-radius: inherit;

  background:
    linear-gradient(
      90deg,
      #9f7936,
      var(--gold-bright)
    );

  box-shadow: 0 0 12px rgba(217, 177, 95, 0.3);
  transition: width 850ms linear;
}

.progress-times {
  display: flex;
  justify-content: space-between;

  margin-top: clamp(8px, 1vh, 14px);

  color: var(--cream-muted);

  font-size: clamp(13px, 1vw, 19px);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.progress-block.is-live .progress-track {
  background:
    linear-gradient(
      90deg,
      rgba(217, 177, 95, 0.15),
      rgba(217, 177, 95, 0.52),
      rgba(217, 177, 95, 0.15)
    );

  background-size: 220% 100%;
  animation: live-shimmer 2.6s linear infinite;
}

.progress-block.is-live .progress-fill {
  display: none;
}

.progress-block.is-live .progress-times {
  justify-content: flex-start;
}

.progress-block.is-live #positionText {
  color: var(--gold-bright);

  font-weight: 700;
  letter-spacing: 0.16em;
}

.progress-block.is-live #durationText {
  display: none;
}

@keyframes live-shimmer {
  from {
    background-position: 220% 0;
  }

  to {
    background-position: -220% 0;
  }
}

.metadata-separator {
  width: 100%;
  height: 1px;

  margin:
    clamp(24px, 3.4vh, 44px)
    0
    clamp(20px, 2.8vh, 36px);

  background:
    linear-gradient(
      90deg,
      rgba(217, 177, 95, 0.55),
      rgba(217, 177, 95, 0.1) 75%,
      transparent
    );
}

.technical-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap:
    clamp(16px, 2vh, 28px)
    clamp(24px, 3vw, 56px);
}

.technical-item {
  display: flex;
  flex-direction: column;

  min-width: 0;
}

.technical-label {
  color: var(--gold-muted);

  font-size: clamp(10px, 0.72vw, 14px);
  font-weight: 720;
  letter-spacing: 0.2em;
}

.technical-value {
  margin-top: clamp(5px, 0.7vh, 9px);
  overflow: hidden;

  color: var(--cream-soft);

  font-size: clamp(15px, 1.15vw, 23px);
  font-weight: 520;
  line-height: 1.25;

  text-overflow: ellipsis;
  white-space: nowrap;
}

.signal-reason {
  display: -webkit-box;

  min-height: 1.3em;

  margin:
    clamp(18px, 2.5vh, 32px)
    0
    0;

  overflow: hidden;

  color: var(--cream-muted);

  font-size: clamp(12px, 0.9vw, 17px);
  line-height: 1.34;

  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.connection-hint {
  position: absolute;
  right: clamp(20px, 2.4vw, 46px);
  bottom: clamp(8px, 1.3vh, 18px);
  z-index: 2;

  color: rgba(215, 199, 161, 0.58);

  font-size: clamp(10px, 0.72vw, 14px);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.state-idle .info-column {
  opacity: 0.88;
}

.state-idle .track-title {
  color: var(--gold);
}

@media (max-aspect-ratio: 4 / 3) {
  .stage {
    grid-template-columns: 38% 62%;
    gap: 28px;

    width: 95vw;

    padding-right: 24px;
    padding-left: 24px;
  }

  .art-frame {
    width: min(37vw, 48vh);
  }

  .technical-grid {
    gap: 14px 24px;
  }
}