/* ==========================================================================
   KUBUS.LOL — TOP BAR & CONTROLS (GUNS.LOL 1000x UPGRADE)
   High-Tech Floating Media Capsule, Visualizer Canvas, Scrubber, BG Drawer
   ========================================================================== */

.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 100;
  pointer-events: none;
}

.top-nav > * {
  pointer-events: auto;
}

/* ==========================================================================
   TOP LEFT MUSIC PLAYER CAPSULE
   ========================================================================== */
.music-player-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 8px;
  border-radius: 999px;
  height: 52px;
  max-width: 580px;
  position: relative;
  overflow: visible;
  transition: all var(--transition-smooth);
}

.music-player-bar:hover {
  border-color: var(--panel-border-hover);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.65), 0 0 25px rgba(0, 242, 254, 0.25);
}

/* ROUND MUTE / UNMUTE BUTTON */
.mute-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(16, 185, 129, 0.2));
  border: 1px solid rgba(0, 242, 254, 0.45);
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 0 14px rgba(0, 242, 254, 0.25);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  flex-shrink: 0;
}

.mute-toggle-btn:hover {
  transform: scale(1.08);
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.4), rgba(16, 185, 129, 0.4));
  border-color: var(--accent-cyan);
  box-shadow: 0 0 24px rgba(0, 242, 254, 0.6);
}

.mute-toggle-btn:active {
  transform: scale(0.92);
}

/* MUTED STATE */
.mute-toggle-btn.is-muted {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.4), rgba(220, 38, 38, 0.3));
  border-color: rgba(239, 68, 68, 0.85);
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.55);
}

.mute-toggle-btn.is-muted:hover {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.6), rgba(220, 38, 38, 0.5));
  border-color: #ef4444;
  box-shadow: 0 0 26px rgba(239, 68, 68, 0.75);
}

.mute-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
}

.mute-toggle-btn.is-muted .mute-icon-wrap {
  color: #f87171;
  animation: muteShake 0.4s ease;
}

@keyframes muteShake {
  0%, 100% { transform: rotate(0); }
  25% { transform: rotate(-10deg); }
  75% { transform: rotate(10deg); }
}

/* REAL-TIME CANVAS VISUALIZER */
.visualizer-container {
  display: flex;
  align-items: center;
  height: 32px;
  width: 58px;
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
  border-radius: 6px;
  overflow: hidden;
  padding: 0 2px;
  transition: transform 0.2s ease;
}

.visualizer-container:hover {
  transform: scale(1.06);
}

#visualizer-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* TRACK INFO & TIMELINE SCRUBBER */
.track-center-deck {
  display: flex;
  flex-direction: column;
  gap: 3px;
  overflow: hidden;
  min-width: 110px;
  max-width: 180px;
}

.track-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.track-label {
  font-size: 0.6rem;
  font-family: var(--font-cyber);
  color: var(--accent-pink);
  font-weight: 700;
  letter-spacing: 1px;
}

.track-time {
  font-size: 0.62rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.track-marquee {
  overflow: hidden;
  white-space: nowrap;
  mask-image: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
}

.track-title {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-primary);
  display: inline-block;
  animation: marqueeText 12s linear infinite;
}

@keyframes marqueeText {
  0% { transform: translateX(0%); }
  50% { transform: translateX(-40%); }
  100% { transform: translateX(0%); }
}

/* MINI PROGRESS SCRUBBER */
.track-scrubber {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: height 0.15s ease;
}

.track-scrubber:hover {
  height: 6px;
}

.track-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-pink));
  border-radius: 2px;
  box-shadow: 0 0 8px var(--accent-cyan);
  transition: width 0.1s linear;
}

/* TRACK ACTION BUTTONS (PLAY, NEXT) */
.track-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.music-btn {
  background: transparent;
  border: none;
  color: var(--text-primary);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 50%;
  transition: transform 0.15s ease, color 0.15s ease, background 0.15s ease;
  flex-shrink: 0;
}

.music-btn:hover {
  color: var(--accent-cyan);
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.12);
}

.music-btn:active {
  transform: scale(0.92);
}

.music-icon {
  width: 18px;
  height: 18px;
}

.hidden {
  display: none !important;
}

.player-divider {
  width: 1px;
  height: 22px;
  background: rgba(255, 255, 255, 0.12);
  margin: 0 2px;
  flex-shrink: 0;
}

/* VOLUME CONTROL */
.volume-control-wrap {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 2px;
  flex-shrink: 0;
}

#volume-slider {
  width: 80px;
  height: 5px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  transition: background 0.2s ease;
}

#volume-slider:hover {
  background: rgba(255, 255, 255, 0.32);
}

#volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

#volume-slider::-webkit-slider-thumb:hover {
  transform: scale(1.25);
  box-shadow: 0 0 16px #fff, 0 0 25px var(--accent-cyan);
}

.volume-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-cyan);
  min-width: 32px;
  cursor: default;
  user-select: none;
}

.volume-badge.is-muted {
  color: #f87171;
}

/* ==========================================================================
   TOP RIGHT QUICK ACTIONS
   ========================================================================== */
.top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.action-btn:hover {
  border-color: var(--panel-border-hover);
  background: rgba(26, 30, 50, 0.85);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.5), 0 0 18px rgba(0, 242, 254, 0.2);
}

.action-btn:active {
  transform: translateY(1px);
}

.mlg-btn {
  background: linear-gradient(135deg, rgba(255, 42, 141, 0.2), rgba(0, 242, 254, 0.2));
  border-color: rgba(255, 42, 141, 0.35);
}

.mlg-btn:hover {
  background: linear-gradient(135deg, rgba(255, 42, 141, 0.4), rgba(0, 242, 254, 0.4));
  border-color: var(--accent-pink);
  box-shadow: 0 0 20px rgba(255, 42, 141, 0.45);
}