/* ============================================================
   ALPINE // VOXEL GALAXY AUDIO EXPERIENCE — STYLESHEET
   ============================================================ */

:root {
  --bg-dark: #05070d;
  --panel-bg: rgba(9, 13, 24, 0.76);
  --panel-border: rgba(0, 240, 255, 0.22);
  --panel-border-hover: rgba(0, 240, 255, 0.5);
  
  --primary-cyan: #00f0ff;
  --primary-cyan-glow: rgba(0, 240, 255, 0.4);
  --accent-magenta: #ff00a0;
  --accent-emerald: #00ff88;
  --accent-amber: #ffaa00;

  --text-main: #f0f4fc;
  --text-muted: #8b9bb4;
  --text-dim: #4d5b70;

  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Syne', sans-serif;
  
  --transition-smooth: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

.hidden {
  display: none !important;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100vw;
  width: 100dvw;
  height: 100vh;
  height: 100dvh;
  min-height: 100dvh;
  overflow: hidden;
  position: fixed;
  inset: 0;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ================= 3D CANVAS ================= */
#canvas-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  width: 100dvw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  z-index: 1;
  touch-action: none;
}

#canvas-container canvas {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
  touch-action: none;
}

/* ================= HEADER HUD ================= */
.hud-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 68px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 10;
  background: linear-gradient(180deg, rgba(5, 7, 13, 0.88) 0%, rgba(5, 7, 13, 0) 100%);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.hud-header > * {
  pointer-events: auto;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  display: flex;
  gap: 3px;
  align-items: center;
}

.flash-emblem {
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 0 10px rgba(255, 180, 0, 0.75)) drop-shadow(0 0 20px rgba(230, 20, 25, 0.5));
  animation: speedForcePulse 2.6s ease-in-out infinite;
  cursor: pointer;
}

@keyframes speedForcePulse {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 8px rgba(255, 180, 0, 0.7)) drop-shadow(0 0 16px rgba(230, 20, 25, 0.45));
  }
  50% {
    transform: scale(1.06);
    filter: drop-shadow(0 0 16px rgba(255, 230, 80, 0.95)) drop-shadow(0 0 26px rgba(255, 30, 40, 0.8));
  }
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 2.5px;
  color: #ffffff;
}

.brand-sub {
  color: var(--primary-cyan);
  font-weight: 400;
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 1.6px;
  color: var(--text-muted);
}

.header-status {
  display: flex;
  align-items: center;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 1.2px;
  color: var(--primary-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary-cyan);
  box-shadow: 0 0 8px var(--primary-cyan);
  animation: blink 1.2s ease-in-out infinite alternate;
}

@keyframes blink {
  0% { opacity: 0.3; transform: scale(0.8); }
  100% { opacity: 1; transform: scale(1.3); }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hud-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  backdrop-filter: blur(12px);
}

.hud-btn:hover {
  border-color: var(--primary-cyan);
  color: #fff;
  box-shadow: 0 0 15px var(--primary-cyan-glow);
  transform: translateY(-1px);
}

/* ================= AUTOPLAY BANNER (SUBTLE HINT) ================= */
.autoplay-banner {
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 15;
  cursor: pointer;
  transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s ease;
}

.autoplay-banner.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, -10px);
}

.autoplay-banner-content {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 6px;
  background: rgba(5, 7, 13, 0.95);
  border: 1px solid var(--primary-cyan);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.7), 0 0 14px rgba(0, 240, 255, 0.35);
  animation: bannerPulse 2s infinite alternate ease-in-out;
}

@keyframes bannerPulse {
  0% { transform: scale(1); box-shadow: 0 0 15px rgba(0, 240, 255, 0.25); }
  100% { transform: scale(1.03); box-shadow: 0 0 30px rgba(0, 240, 255, 0.55); }
}

.audio-wave-icon {
  font-size: 1rem;
}

/* ================= BOTTOM FLOATING DOCK ================= */
.hud-dock {
  position: fixed;
  bottom: 22px;
  bottom: max(22px, env(safe-area-inset-bottom, 22px));
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 980px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 12px 18px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.7), 0 0 35px rgba(0, 240, 255, 0.1);
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

/* Dock Row 1: Player */
.dock-player {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.playback-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.hud-step-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  padding: 0;
}

.hud-step-btn:hover {
  background: rgba(0, 240, 255, 0.16);
  border-color: var(--primary-cyan);
  color: #fff;
  transform: scale(1.08);
}

.hud-step-btn:active {
  transform: scale(0.94);
}

.track-btn-badge {
  display: inline-block;
  font-size: 0.62rem;
  padding: 1px 5px;
  margin-right: 4px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.08);
}

.mode-btn.track-btn.active .track-btn-badge {
  background: rgba(0, 240, 255, 0.28);
  color: var(--primary-cyan);
}

.btn-circle-play {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-cyan);
  border: none;
  color: #050811;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: 0 0 18px var(--primary-cyan-glow);
  transition: var(--transition-smooth);
}

.btn-circle-play:hover {
  transform: scale(1.08);
  box-shadow: 0 0 26px var(--primary-cyan-glow);
}

.btn-circle-play .hidden {
  display: none;
}

.track-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1 1 155px;
  overflow: hidden;
}

.track-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  white-space: nowrap;
}

.track-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  letter-spacing: 1px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.badge-genre {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(0, 240, 255, 0.16);
  color: var(--primary-cyan);
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.track-artist {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.timeline-container {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
}

.time-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  width: 40px;
  flex-shrink: 0;
}

#time-duration {
  text-align: right;
}

.progress-bar-wrap {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 3px;
  position: relative;
  cursor: pointer;
  touch-action: none;
  transition: height 0.15s ease;
}

.progress-bar-wrap::before {
  content: '';
  position: absolute;
  top: -12px;
  bottom: -12px;
  left: 0;
  right: 0;
  cursor: pointer;
}

.progress-bar-wrap:hover {
  height: 8px;
}

.progress-bar-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0%;
  background: linear-gradient(90deg, #00f0ff, #c084fc, #f43f5e);
  border-radius: 3px;
  box-shadow: 0 0 10px var(--primary-cyan-glow);
}

.progress-bar-handle {
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--primary-cyan);
  box-shadow: 0 0 10px var(--primary-cyan), 0 0 4px #ffffff;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.1s ease;
}

.progress-bar-wrap:hover .progress-bar-handle,
.progress-bar-wrap:active .progress-bar-handle {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.15);
}

.volume-container {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-icon-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 4px;
  border-radius: 4px;
  transition: var(--transition-smooth);
}

.hud-icon-btn:hover {
  color: var(--primary-cyan);
}

.hud-icon-btn .hidden {
  display: none;
}

#volume-slider {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 84px;
  height: 6px;
  background: linear-gradient(to right, var(--primary-cyan) 0%, var(--primary-cyan) 85%, rgba(255, 255, 255, 0.18) 85%, rgba(255, 255, 255, 0.18) 100%);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  border: none;
  padding: 0;
  margin: 0;
  vertical-align: middle;
  touch-action: none;
  box-shadow: 0 0 6px rgba(0, 240, 255, 0.25);
  transition: filter 0.15s ease;
}

#volume-slider:hover {
  filter: brightness(1.2);
}

/* Chrome, Edge, Safari, Opera, Android WebKit Track & Thumb */
#volume-slider::-webkit-slider-runnable-track {
  width: 100%;
  height: 6px;
  cursor: pointer;
  background: transparent;
  border-radius: 3px;
  border: none;
}

#volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--primary-cyan);
  cursor: pointer;
  margin-top: -4px;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.8), 0 2px 4px rgba(0, 0, 0, 0.6);
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

#volume-slider::-webkit-slider-thumb:hover {
  transform: scale(1.25);
  box-shadow: 0 0 14px var(--primary-cyan), 0 0 6px #ffffff;
}

#volume-slider::-webkit-slider-thumb:active {
  transform: scale(1.12);
  background: var(--primary-cyan);
  border-color: #ffffff;
}

/* Firefox Track & Thumb */
#volume-slider::-moz-range-track {
  width: 100%;
  height: 6px;
  cursor: pointer;
  background: transparent;
  border-radius: 3px;
  border: none;
}

#volume-slider::-moz-range-progress {
  background: transparent;
}

#volume-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--primary-cyan);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.8), 0 2px 4px rgba(0, 0, 0, 0.6);
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

#volume-slider::-moz-range-thumb:hover {
  transform: scale(1.25);
  box-shadow: 0 0 14px var(--primary-cyan), 0 0 6px #ffffff;
}

#volume-slider::-moz-range-thumb:active {
  transform: scale(1.12);
  background: var(--primary-cyan);
  border-color: #ffffff;
}

/* Dock Row 2: Tracks (Left) & Color / FX (Right) - on the exact same level */
.dock-row-tracks {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 10px;
  gap: 16px;
}

.dock-tracks-extras {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Dock Row 3: Visualizer controls - full row width */
.dock-row-visualizer {
  display: flex;
  align-items: center;
  width: 100%;
  padding-top: 2px;
}

.dock-row-visualizer .option-group {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
}

.dock-row-visualizer .button-toggle-group {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 4px;
  width: 100%;
}

.dock-row-visualizer .mode-btn {
  width: 100%;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 6px 4px;
  font-size: 0.70rem;
}

.option-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.option-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 1.2px;
  color: var(--text-dim);
}

.button-toggle-group {
  display: flex;
  gap: 4px;
  background: rgba(0, 0, 0, 0.4);
  padding: 3px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.mode-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 5px 11px;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.mode-btn:hover {
  color: #fff;
}

.mode-btn.active {
  background: rgba(0, 240, 255, 0.18);
  color: var(--primary-cyan);
  border: 1px solid rgba(0, 240, 255, 0.35);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
}

.palette-swatches {
  display: flex;
  gap: 8px;
  align-items: center;
}

.color-swatch {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--swatch-c1), var(--swatch-c2));
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.color-swatch:hover {
  transform: scale(1.15);
}

.color-swatch.active {
  border-color: #ffffff;
  box-shadow: 0 0 14px var(--swatch-c1);
}

.controls-sub {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-toggle-btn {
  position: relative;
  width: 34px;
  height: 34px;
  padding: 0;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.hud-toggle-btn svg {
  flex-shrink: 0;
}

.hud-toggle-btn:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
}

.hud-toggle-btn.active {
  background: rgba(0, 240, 255, 0.18);
  border-color: var(--primary-cyan);
  color: var(--primary-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.25);
}

/* ================= GLOBAL CYBER HUD TOOLTIP ================= */
.cyber-tooltip {
  position: fixed;
  z-index: 99999;
  background: rgba(5, 7, 13, 0.95);
  border: 1px solid var(--primary-cyan);
  color: #ffffff;
  padding: 5px 9px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.3px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.7), 0 0 10px rgba(0, 240, 255, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  transform: translate(-50%, 4px);
}

.cyber-tooltip.measuring {
  position: fixed !important;
  top: -9999px !important;
  left: -9999px !important;
  opacity: 0 !important;
  visibility: hidden !important;
  display: block !important;
  transform: none !important;
}

.cyber-tooltip.arrow-bottom {
  transform: translate(-50%, 4px);
}

.cyber-tooltip.arrow-top {
  transform: translate(-50%, -4px);
}

.cyber-tooltip.visible {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.cyber-tooltip-arrow {
  position: absolute;
  width: 0;
  height: 0;
  border: 5px solid transparent;
  pointer-events: none;
}

/* Arrow pointing down (tooltip placed above target) */
.cyber-tooltip.arrow-bottom .cyber-tooltip-arrow {
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-top-color: var(--primary-cyan);
}

/* Arrow pointing up (tooltip placed below target) */
.cyber-tooltip.arrow-top .cyber-tooltip-arrow {
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-bottom-color: var(--primary-cyan);
}

/* Cinema Mode */
body.cinema-mode .hud-dock {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 20px);
}

/* Auto-fade HUD in Fullscreen when idle */
body.ui-idle .hud-dock {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 20px);
}

/* Hide cursor when idle in Fullscreen */
body.is-fullscreen.ui-idle {
  cursor: none;
}

.cinema-hint {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(5, 7, 13, 0.95);
  border: 1px solid var(--primary-cyan);
  padding: 7px 16px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  color: #fff;
  z-index: 1000;
  pointer-events: none;
  animation: fadeInOut 3.5s forwards;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.7), 0 0 14px rgba(0, 240, 255, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.cinema-hint.hidden {
  display: none;
}

@keyframes fadeInOut {
  0% { opacity: 0; transform: translate(-50%, -10px); }
  15% { opacity: 1; transform: translate(-50%, 0); }
  80% { opacity: 1; transform: translate(-50%, 0); }
  100% { opacity: 0; transform: translate(-50%, -10px); }
}

/* ================= RESPONSIVE ================= */
/* ================= RESPONSIVE (TABLETS & MOBILE) ================= */
@media (max-width: 960px) {
  .hud-dock {
    bottom: 12px;
    bottom: max(12px, env(safe-area-inset-bottom, 12px));
    width: calc(100% - 24px);
    max-width: 780px;
    padding: 12px 16px;
    gap: 10px;
  }

  /* Dock Row 1: Player controls + Track Info + Volume in balanced row */
  .dock-player {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
  }

  .playback-controls {
    order: 1;
    flex-shrink: 0;
  }

  .track-meta {
    order: 2;
    flex: 1 1 140px;
    min-width: 0;
    max-width: calc(100% - 220px);
  }

  .volume-container {
    order: 3;
    flex-shrink: 0;
    margin-left: auto;
  }

  /* Dedicated Full-Width Seek / Timeline Bar on Tablets & Mobile */
  .timeline-container {
    order: 4;
    width: 100%;
    flex-basis: 100%;
    display: flex !important;
    align-items: center;
    gap: 10px;
    padding: 3px 0 1px 0;
  }

  .time-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    width: 38px;
    flex-shrink: 0;
  }

  .progress-bar-wrap {
    flex: 1;
    height: 7px;
    background: rgba(255, 255, 255, 0.16);
    border-radius: 4px;
    position: relative;
    cursor: pointer;
    touch-action: none;
  }

  .progress-bar-wrap::before {
    content: '';
    position: absolute;
    top: -12px;
    bottom: -12px;
    left: 0;
    right: 0;
  }

  .progress-bar-handle {
    opacity: 1 !important;
    width: 14px;
    height: 14px;
    background: #ffffff;
    border: 2px solid var(--primary-cyan);
    box-shadow: 0 0 10px var(--primary-cyan), 0 0 4px #ffffff;
  }

  #volume-slider {
    width: 68px;
    height: 7px;
  }

  #volume-slider::-webkit-slider-runnable-track {
    height: 7px;
  }

  #volume-slider::-webkit-slider-thumb {
    width: 16px;
    height: 16px;
    margin-top: -4.5px;
  }

  #volume-slider::-moz-range-track {
    height: 7px;
  }

  #volume-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
  }

  /* Dock Row 2: Tracks (Left) & Color / FX (Right) */
  .dock-row-tracks {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    width: 100%;
    gap: 8px 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 8px;
  }

  .dock-row-tracks > .option-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
  }

  .dock-tracks-extras {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px 12px;
    margin-left: auto;
  }

  /* Dock Row 3: Visualizer Presets 4x2 Grid (No horizontal overflow/scroll cutoffs) */
  .dock-row-visualizer {
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 6px;
  }

  .dock-row-visualizer .option-group {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .dock-row-visualizer .button-toggle-group {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    width: 100%;
    overflow: visible;
  }

  .dock-row-visualizer .mode-btn {
    width: 100%;
    min-width: 0;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 6px 4px;
    font-size: 0.70rem;
    flex-shrink: 1;
  }
}

/* Very narrow smartphones (< 520px) */
@media (max-width: 520px) {
  .hud-dock {
    width: calc(100% - 12px);
    padding: 10px 10px;
    gap: 7px;
  }
  .track-meta {
    max-width: 135px;
  }
  .track-name {
    font-size: 0.85rem;
  }
  .badge-genre {
    display: none;
  }
  .dock-tracks-extras {
    margin-left: 0;
    width: 100%;
    justify-content: space-between;
  }
  .dock-row-visualizer .button-toggle-group {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-height: 640px) {
  .hud-dock {
    bottom: 8px;
    bottom: max(8px, env(safe-area-inset-bottom, 8px));
    padding: 8px 14px;
    gap: 6px;
  }
  .track-meta {
    gap: 4px;
  }
  .track-name {
    font-size: 0.95rem;
  }
}