/* ==========================================================================
   SIFM RADIO — Sticky Audio Player
   ========================================================================== */

/* --------------------------------------------------------------------------
   Player Bar (fixed bottom)
   -------------------------------------------------------------------------- */

.player-bar {
  position: fixed;
  inset-block-end: 0;
  inset-inline: 0;
  z-index: var(--z-player);
  block-size: var(--player-h);
  background: rgba(8, 8, 20, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-block-start: 1px solid var(--glass-border);
  box-shadow: 0 -4px 40px rgba(0, 0, 0, 0.6);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-4);
  padding-inline: var(--space-6);
  transition: translate 0.4s ease;
}

/* Left: station info + now playing */
.player-info {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-inline-size: 0;
}

.player-artwork {
  position: relative;
  flex-shrink: 0;
  inline-size: 52px;
  block-size: 52px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: var(--color-elevated);
}

.player-artwork img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  transition: opacity var(--transition-base);
}

.player-artwork__fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg var(--in-oklch), var(--clr-bg-elevated), var(--clr-bg-card));
}

.player-artwork__fallback svg {
  inline-size: 24px;
  block-size: 24px;
  color: var(--color-accent);
}

.player-track-info {
  min-inline-size: 0;
}

.player-now-playing-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-block-end: 2px;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.player-track-title {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-inline-size: 250px;
}

.player-track-artist {
  font-size: 0.78rem;
  color: var(--color-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-block-start: 2px;
}

/* Center: Play controls */
.player-controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

.player-play-btn {
  position: relative;
  inline-size: 52px;
  block-size: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg var(--in-oklch), var(--clr-red-vivid), var(--clr-red-muted));
  color: #fff;
  display: grid;
  place-items: center;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-red);
  flex-shrink: 0;
}

.player-play-btn:hover:not(:disabled) {
  scale: 1.08;
  box-shadow: 0 0 30px rgba(220, 38, 38, 0.5);
}

.player-play-btn:active {
  scale: 0.96;
}

.player-play-btn svg {
  inline-size: 22px;
  block-size: 22px;
  transition: opacity var(--transition-fast);
}

.player-play-btn .icon-play  { display: block; }
.player-play-btn .icon-pause { display: none; }

.player-play-btn.playing .icon-play  { display: none; }
.player-play-btn.playing .icon-pause { display: block; }

/* Ripple ring when playing */
.player-play-btn.playing::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  animation: player-ring 2s ease-in-out infinite;
  opacity: 0;
}

@keyframes player-ring {
  0%   { opacity: 0.8; scale: 1; }
  100% { opacity: 0;   scale: 1.3; }
}

/* Loading spinner */
.player-play-btn.loading svg { opacity: 0.3; }
.player-play-btn.loading::after {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-block-start-color: #fff;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { rotate: 1turn; }
}

/* Equalizer bars (visible when playing) */
.player-eq {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  block-size: 20px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.player-eq.visible { opacity: 1; }

.player-eq-bar {
  inline-size: 3px;
  border-radius: 2px;
  background: var(--color-accent);
  animation: eq-bar var(--eq-dur, 0.8s) ease-in-out infinite alternate;
  animation-delay: var(--eq-delay, 0s);
  block-size: var(--eq-h, 40%);
}

@keyframes eq-bar {
  from { block-size: var(--eq-h, 40%); }
  to   { block-size: calc(var(--eq-h, 40%) * 2.2); }
}

/* Right: Volume */
.player-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-4);
}

.player-volume {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.player-volume-btn {
  color: var(--color-muted);
  transition: color var(--transition-fast);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  cursor: pointer;
}

.player-volume-btn:hover { color: var(--color-text); }

.player-volume-btn svg {
  inline-size: 18px;
  block-size: 18px;
}

/* Custom range slider */
.player-volume-slider {
  --thumb-size: 14px;
  --track-h: 3px;
  --fill: var(--color-accent);
  --empty: var(--clr-bg-elevated);

  -webkit-appearance: none;
  appearance: none;
  inline-size: 100px;
  block-size: var(--track-h);
  border-radius: var(--radius-pill);
  background: linear-gradient(
    to right,
    var(--fill) 0%,
    var(--fill) var(--vol, 80%),
    var(--empty) var(--vol, 80%),
    var(--empty) 100%
  );
  outline: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.player-volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  inline-size: var(--thumb-size);
  block-size: var(--thumb-size);
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: scale var(--transition-fast), box-shadow var(--transition-fast);
}

.player-volume-slider::-moz-range-thumb {
  border: none;
  inline-size: var(--thumb-size);
  block-size: var(--thumb-size);
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
}

.player-volume-slider:hover::-webkit-slider-thumb {
  scale: 1.2;
  box-shadow: 0 0 10px rgba(220,38,38,0.4);
}

/* Station badge */
.player-station-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-pill);
  background: rgba(220,38,38,0.1);
  border: 1px solid rgba(220,38,38,0.2);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  white-space: nowrap;
  flex-shrink: 0;
}

.player-live-dot {
  inline-size: 6px;
  block-size: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse-badge 2s ease-in-out infinite;
}

/* Connection status */
.player-error {
  position: absolute;
  inset-block-end: calc(100% + var(--space-2));
  inset-inline-start: 50%;
  translate: -50% 0;
  background: var(--clr-bg-card);
  border: 1px solid rgba(220,38,38,0.4);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  font-size: 0.78rem;
  color: var(--clr-red-vivid);
  white-space: nowrap;
  display: none;
  box-shadow: var(--shadow-md);
}

.player-bar.has-error .player-error { display: block; }

/* Mobile: compact layout */
@media (max-width: 600px) {
  .player-bar {
    grid-template-columns: 1fr auto;
    padding-inline: var(--space-4);
    gap: var(--space-3);
  }

  .player-volume { display: none; }

  .player-right {
    justify-content: flex-end;
    gap: var(--space-2);
  }

  .player-station-badge { display: none; }

  .player-track-title { max-inline-size: 160px; }

  .player-eq { display: none; }
}

@media (max-width: 380px) {
  .player-artwork { inline-size: 44px; block-size: 44px; }
  .player-play-btn { inline-size: 44px; block-size: 44px; }
  .player-play-btn svg { inline-size: 18px; block-size: 18px; }
}