:root {
  --bg-color: #121212;
  --panel-color: #1e1e1e;
  --accent: #1db954;
  --accent-glow: rgba(30, 219, 84, 0.5);
  /* This will be set by the JS for dynamic highlighting */
  --accent-rgb: 30, 219, 84;
  --text-color: #fff;
  --text-muted: #888;
  --btn-size: 50px;
  --shadow-inset: inset 4px 4px 10px rgba(0,0,0,0.5),
                  inset -4px -4px 10px rgba(255,255,255,0.05);
  --shadow-out: 4px 4px 10px rgba(0,0,0,0.5),
                -4px -4px 10px rgba(255,255,255,0.05);
}

/* === UTILITY & BASE === */
.hidden { display: none !important; }

body {
  margin: 0;
  background-color: var(--bg-color);
  font-family: 'Segoe UI', sans-serif;
  color: var(--text-color);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow: hidden;
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: url('images/noise.webp');
  opacity: 0.02;
  pointer-events: none;
  z-index: 100;
}

/* === BACKGROUND CANVASES === */
#fogCanvas, #bgCanvas, #freqCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
#fogCanvas {
  z-index: 0;
  opacity: 0.2;
  filter: blur(10px);
}
#bgCanvas { z-index: 1; }
#freqCanvas { z-index: 2; }

/* === PANEL & CONTAINER === */
.player-panel {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}
.player-container {
  background: var(--panel-color);
  border-radius: 20px;
  padding: 24px;
  width: 90%;
  max-width: 480px;
  box-shadow: var(--shadow-out);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  transition: transform 0.3s ease, opacity 0.3s ease;
  will-change: transform;
}
.player-container:hover {
  transform: translate(-50%, -50%) scale(1.015);
  box-shadow: 0 0 30px var(--accent-glow), var(--shadow-out);
}

/* === NEW LOADING STATE STYLE === */
/* This class will be added by JS while audio is loading */
.player-container.loading-active {
  opacity: 0.6;
  cursor: wait;
  pointer-events: none;
}
/* =============================== */


/* === TRACK META & ART === */
.track-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.track-text h2 {
  margin: 0;
  font-size: 1.4rem;
  font-weight: bold;
  color: #fff;
  text-shadow:
    0 0 2px rgba(255,255,255,0.6),
    0 0 4px rgba(255,255,255,0.4),
    0 0 8px var(--accent-glow);
}
.track-text p {
  margin: 4px 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.album-art-wrapper {
  position: relative;
  width: 70px;
  height: 70px;
  border-radius: 12px;
  box-shadow:
    inset 1px 1px 3px rgba(0,0,0,0.3),
    inset -1px -1px 2px rgba(255,255,255,0.02),
    0 4px 8px rgba(0,0,0,0.3);
  flex-shrink: 0;
}
.album-art-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--accent-glow);
  filter: blur(12px);
  opacity: 0.15;
  z-index: -1;
}
.album-art {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: cover;
  display: block;
}

/* === WAVEFORM === */
#waveform, #wipWaveform {
  height: 80px;
  margin-bottom: 20px;
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  z-index: 4;
  padding: 0 8px;
  box-sizing: border-box;
}
#waveform:hover wave,
#wipWaveform:hover wave {
  transform: scaleY(1.05);
  transition: transform 0.3s ease;
}

/* === PLAYBACK CONTROLS === */
.controls {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  margin-bottom: 16px;
}
.neo-btn {
  width: var(--btn-size);
  height: var(--btn-size);
  background: var(--panel-color);
  border: none;
  border-radius: 50%;
  color: var(--text-color);
  font-size: 1.1rem;
  box-shadow: var(--shadow-out);
  transition: transform 0.2s ease, color 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  will-change: transform;
}
.neo-btn:hover {
  color: var(--accent);
  transform: scale(1.1);
  box-shadow: 0 0 12px var(--accent-glow);
}
/* === NEW FONT AWESOME FIX === */
.neo-btn i {
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

/* === WIP TOGGLE === */
.custom-control {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 12px;
}
.wip-button-wrapper {
  position: relative;
  display: inline-block;
}
.wip-label {
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translateY(-50%) translateX(8px);
  background: var(--panel-color);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  box-shadow: var(--shadow-out);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  white-space: nowrap;
}
.wip-button-wrapper:hover .wip-label {
  opacity: 1;
  transform: translateY(-50%) translateX(12px);
}

/* ─── AUTOPLAY TOGGLE ─── */
.autoplay-wrapper {
  position: absolute;
  bottom: 30px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: auto;
}

.autoplay-wrapper .neo-btn {
  width: 36px;
  height: 36px;
  font-size: 1rem;
  box-shadow: var(--shadow-out);
}

.autoplay-wrapper .autoplay-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  user-select: none;
}

@media (max-width: 600px) {
  .autoplay-wrapper {
    bottom: 50px;
    right: 20px;
  }
  .autoplay-wrapper .neo-btn {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
  }
  .autoplay-wrapper .autoplay-label {
    font-size: 0.7rem;
  }
}

/* === VOLUME SLIDER === */
.volume-container {
  position: absolute;
  bottom: 18px;
  right: 24px;
  z-index: 4;
}
input[type="range"] {
  -webkit-appearance: none;
  width: 100px;
  height: 4px;
  background: #333;
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-glow);
}
input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  box-shadow: 0 0 6px var(--accent-glow);
}

/* === TIME DISPLAY === */
.time-container {
  text-align: left;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* === VIEW SWITCHING === */
.wip-view {
  transform: translate(150vw, -50%);
  opacity: 0;
  z-index: 0;
  pointer-events: none;
}
.player-panel.show-wip #mainPlayer {
  transform: translate(-150vw, -50%);
  opacity: 0;
  z-index: 0;
  pointer-events: none;
}
.player-panel.show-wip #wipPlayer {
  transform: translate(-50%, -50%);
  opacity: 1;
  z-index: 2;
  pointer-events: auto;
}

/* === WIP LIST === */
#wipTrackListContainer {
  padding: 24px 20px;
  width: 100%;
  box-sizing: border-box;
}
#wipTrackList {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
#wipTrackList .track-meta {
  padding: 12px 16px;
  background: var(--panel-color);
  border-radius: 14px;
  box-shadow: var(--shadow-out);
  cursor: pointer;
  transition: background-color 0.25s ease, transform 0.25s ease;
}
#wipTrackList .track-meta:hover {
  background: #2a2a2a;
  box-shadow: 0 0 20px var(--accent-glow), var(--shadow-out);
  transform: translateY(-2px);
}

/* === NEW ACTIVE TRACK STYLE === */
/* This class will be added by JS to the playing WIP track */
#wipTrackList .track-meta.active-track {
    background-color: rgba(var(--accent-rgb), 0.1);
    border-left: 3px solid var(--accent);
    transform: translateY(0); /* Override hover effect */
}
/* =============================== */

#wipTrackList .track-text h2,
#wipTrackList .track-text p { margin: 0; }
#wipTrackList .track-text h2 {
  font-size: 1rem;
  font-weight: bold;
}
#wipTrackList .track-text p {
  margin-top: 4px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
#wipTrackList .album-art-wrapper {
  width: 64px;
  height: 64px;
}

/* === WIP NOTICE === */
#wipNoticeScreen {
  text-align: center;
  padding: 40px 16px;
}
#wipNoticeScreen h2 {
  font-weight: 600;
  font-size: 1.3rem;
}
#wipNoticeScreen p {
  color: var(--text-muted);
  margin-top: 6px;
  font-size: 0.95rem;
}
#wipContinueBtn {
  padding: 0.6rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  background: var(--panel-color);
  color: var(--text-color);
  border: none;
  border-radius: 999px;
  box-shadow: var(--shadow-out);
  transition: background-color 0.25s ease,
              color 0.25s ease,
              transform 0.25s ease;
  margin-top: 16px;
  min-width: 140px;
}
#wipContinueBtn:hover {
  background: var(--accent);
  color: #000;
  box-shadow: 0 0 14px var(--accent-glow);
  transform: translateY(-1px);
}

/* === SCROLLBAR === */
.wip-scroll-wrapper {
  max-height: 80vh;
  overflow-y: auto;
  padding-right: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}
.wip-scroll-wrapper::-webkit-scrollbar {
  width: 8px;
}
.wip-scroll-wrapper::-webkit-scrollbar-track {
  background: transparent;
}
.wip-scroll-wrapper::-webkit-scrollbar-thumb {
  background-color: var(--accent);
  border-radius: 10px;
  border: 2px solid var(--panel-color);
  background-clip: padding-box;
}
.wip-scroll-wrapper::-webkit-scrollbar-thumb:hover {
  background-color: var(--accent-glow);
}

/* === MOBILE RESPONSIVE === */
@media (max-width: 600px) {
  :root { --btn-size: 48px; }

  .player-container {
    width: 90%;
    max-width: 400px;
    padding: 20px;
  }
  .player-container:hover {
    transform: translate(-50%, -50%);
    box-shadow: var(--shadow-out);
  }

  .track-meta {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
    margin-bottom: 15px;
  }
  .track-text h2 { font-size: 1.25rem; }
  .track-text p  { font-size: 0.9rem; }

  .album-art-wrapper {
    width: 80px;
    height: 80px;
    margin-bottom: 4px;
  }

  .neo-btn { font-size: 1.05rem; }

  #waveform, #wipWaveform {
    height: 75px;
    margin-bottom: 20px;
  }

  .time-container {
    text-align: center;
    width: 100%;
    position: relative;
    left: 0;
    bottom: 0;
    margin-top: 10px;
  }

  .volume-container { display: none; }

  #wipTrackList { gap: 12px; }
  #wipTrackList .track-meta {
    padding: 10px;
    gap: 12px;
  }
  #wipTrackList .album-art-wrapper {
    width: 50px;
    height: 50px;
  }
  #wipTrackList .track-text h2 { font-size: 0.9rem; }
  #wipTrackList .track-text p  { font-size: 0.8rem; }
}