/* =====================================================================
   KLAS DIGITAL v186 — Global Bottom Player UI Foundation
   Phase 5: UI shell only. No audio, no router, no legacy player changes.
   Protected V185 style blocks remain untouched.
===================================================================== */

:root {
  --kd-player-height: 68px;
  --kd-player-z: 8000;
  --kd-player-bg: rgba(7, 8, 12, 0.97);
  --kd-player-border: rgba(255, 255, 255, 0.08);
  --kd-player-text: rgba(255, 255, 255, 0.92);
  --kd-player-muted: rgba(255, 255, 255, 0.6);
  --channel-primary: #E10613;
  --channel-light: #C00510;
  --channel-glow: rgba(225, 6, 19, 0.32);
}

body.kd-player-active {
  padding-bottom: var(--kd-player-height);
}

.kd-global-player {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--kd-player-height);
  z-index: var(--kd-player-z);
  background: linear-gradient(180deg, rgba(18, 20, 28, 0.96), var(--kd-player-bg));
  border-top: 1px solid var(--channel-primary, var(--kd-player-border));
  box-shadow: 0 -14px 40px rgba(0, 0, 0, 0.42), 0 -1px 22px var(--channel-glow, transparent);
  color: var(--kd-player-text);
  display: none;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.kd-global-player.is-active {
  display: block;
}

.kd-global-player__inner {
  width: min(1200px, calc(100% - 32px));
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto 104px auto;
  align-items: center;
  gap: 14px;
}

.kd-global-player__play {
  width: 46px;
  height: 46px;
  border-radius: 999px;
  border: 0;
  background: #fff;
  color: #12151A;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 22px var(--channel-glow);
  transition: transform 0.16s ease, opacity 0.16s ease;
}

.kd-global-player__play:hover {
  transform: scale(1.06);
}

.kd-global-player__play:disabled {
  cursor: not-allowed;
  opacity: 0.45;
  transform: none;
}

.kd-global-player__info {
  min-width: 0;
}

.kd-global-player__title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.kd-global-player__badge {
  display: none;
  flex: 0 0 auto;
  background: var(--channel-primary);
  color: #fff;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.6px;
  padding: 3px 8px;
  border-radius: 999px;
  text-transform: uppercase;
}

.kd-global-player[data-state="playing"] .kd-global-player__badge {
  display: inline-block;
}

.kd-global-player__channel {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  color: var(--kd-player-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kd-global-player__now {
  margin-top: 2px;
  font-size: 13px;
  color: var(--kd-player-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kd-global-player__eq {
  height: 22px;
  display: inline-flex;
  align-items: flex-end;
  gap: 3px;
}

.kd-global-player__eq span {
  width: 3px;
  min-height: 5px;
  border-radius: 99px;
  background: var(--channel-primary);
  opacity: 0.38;
}

.kd-global-player.is-playing .kd-global-player__eq span {
  opacity: 0.82;
  animation: kdPlayerEq 1.1s ease-in-out infinite alternate;
}

.kd-global-player.is-playing .kd-global-player__eq span:nth-child(2) { animation-delay: 0.10s; }
.kd-global-player.is-playing .kd-global-player__eq span:nth-child(3) { animation-delay: 0.18s; }
.kd-global-player.is-playing .kd-global-player__eq span:nth-child(4) { animation-delay: 0.26s; }
.kd-global-player.is-playing .kd-global-player__eq span:nth-child(5) { animation-delay: 0.34s; }
.kd-global-player.is-playing .kd-global-player__eq span:nth-child(6) { animation-delay: 0.42s; }

@keyframes kdPlayerEq {
  from { height: 6px; }
  to { height: 22px; }
}

.kd-global-player__volume {
  width: 104px;
  accent-color: var(--channel-primary);
}

.kd-global-player__switch {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--kd-player-text);
  cursor: pointer;
}

.kd-global-player__status {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

/* Channel theme bindings — JS changes only data-channel. */
[data-channel="klas-radyo"] { --channel-primary: #E10613; --channel-light: #C00510; --channel-glow: rgba(225, 6, 19, 0.32); }
[data-channel="klas-hits"] { --channel-primary: #FF2D78; --channel-light: #D41860; --channel-glow: rgba(255, 45, 120, 0.32); }
[data-channel="klas-80s"] { --channel-primary: #F59E0B; --channel-light: #C07A08; --channel-glow: rgba(245, 158, 11, 0.30); }
[data-channel="klas-throwback"] { --channel-primary: #8B5CF6; --channel-light: #6D3FD4; --channel-glow: rgba(139, 92, 246, 0.30); }
[data-channel="klas-legends"] { --channel-primary: #B8860B; --channel-light: #8A6508; --channel-glow: rgba(184, 134, 11, 0.30); }
[data-channel="klas-tiktok-hits"] { --channel-primary: #00F2EA; --channel-light: #00A89E; --channel-glow: rgba(0, 242, 234, 0.26); }
[data-channel="klas-acoustic"] { --channel-primary: #6C5CE7; --channel-light: #5040C0; --channel-glow: rgba(108, 92, 231, 0.30); }
[data-channel="klas-slow"] { --channel-primary: #EC4899; --channel-light: #C03078; --channel-glow: rgba(236, 72, 153, 0.30); }
[data-channel="klas-dance"] { --channel-primary: #00B4D8; --channel-light: #0088A8; --channel-glow: rgba(0, 180, 216, 0.30); }

.kd-global-player[data-state="soon"],
.kd-global-player[data-state="disabled"] {
  opacity: 0.78;
}

@media (max-width: 768px) {
  :root {
    --kd-player-height: 54px;
  }

  .kd-global-player__inner {
    width: calc(100% - 20px);
    grid-template-columns: 40px minmax(0, 1fr) auto;
    gap: 10px;
  }

  .kd-global-player__play {
    width: 40px;
    height: 40px;
  }

  .kd-global-player__volume,
  .kd-global-player__switch,
  .kd-global-player__eq {
    display: none;
  }

  .kd-global-player__channel {
    font-size: 10px;
  }

  .kd-global-player__now {
    font-size: 12px;
  }
}