.music-player-container {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 9999;
  font-family: var(--font-main), sans-serif;
  transition: transform 0.4s var(--ease-spring), opacity 0.3s var(--ease);
}

.music-player-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(23, 26, 33, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid var(--border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 15px rgba(214, 168, 95, 0.1);
  color: var(--primary-light);
  cursor: pointer;
  transition: transform 0.3s var(--ease-spring), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  position: absolute;
  bottom: 0;
  left: 0;
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
}

.music-player-toggle-btn.visible {
  transform: scale(1);
  opacity: 1;
  pointer-events: auto;
}

.music-player-toggle-btn:hover {
  transform: scale(1.1);
  border-color: var(--primary);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.5), 0 0 25px rgba(214, 168, 95, 0.25);
}

.music-toggle-disc {
  font-size: 1.5rem;
  animation: rotateDisc 4s linear infinite;
  animation-play-state: paused;
}

.music-player-toggle-btn.playing .music-toggle-disc {
  animation-play-state: running;
}
 
.music-toggle-waves {
  display: none;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}

.music-player-toggle-btn.playing .music-toggle-waves {
  display: flex;
}

.music-toggle-waves span {
  width: 2px;
  height: 3px;
  background-color: var(--primary);
  border-radius: 1px;
  animation: bounceWave 0.8s ease-in-out infinite alternate;
}

.music-toggle-waves span:nth-child(2) {
  animation-delay: 0.25s;
}

.music-toggle-waves span:nth-child(3) {
  animation-delay: 0.5s;
}

@keyframes bounceWave {
  0% { height: 3px; }
  100% { height: 12px; }
}
 
.music-player-card {
  width: 320px;
  background: rgba(15, 17, 21, 0.95);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid rgba(214, 168, 95, 0.2);
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(214, 168, 95, 0.05);
  overflow: hidden;
  transition: transform 0.4s var(--ease-spring), opacity 0.3s var(--ease);
  transform: scale(1);
  opacity: 1;
  pointer-events: auto;
}

.music-player-card.hidden {
  transform: scale(0.8) translateY(40px);
  opacity: 0;
  pointer-events: none;
}
 
.mp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(23, 26, 33, 0.9);
  border-bottom: 1px solid rgba(214, 168, 95, 0.1);
}

.mp-header-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.mp-close-btn {
  font-size: 0.9rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.2s var(--ease), transform 0.2s;
  padding: 4px;
}

.mp-close-btn:hover {
  color: var(--text);
  transform: scale(1.1);
}

.mp-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mp-cover-wrap {
  position: relative;
  width: 100%;
  height: 150px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(214, 168, 95, 0.15);
}

.mp-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.mp-cover-wrap:hover .mp-cover-img {
  transform: scale(1.05);
}

.mp-cover-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(15, 17, 21, 0.9) 0%, rgba(15, 17, 21, 0.2) 60%, rgba(15, 17, 21, 0.6) 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 12px;
}

.mp-cover-header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mp-cover-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--primary);
  object-fit: cover;
}

.mp-cover-badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--bg);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  padding: 2px 8px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(214, 168, 95, 0.3);
}

.mp-cover-title-text {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  margin-top: auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mp-cover-subtitle-text {
  font-size: 0.72rem;
  color: var(--primary-light);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
  margin-top: 2px;
}

 
.mp-info {
  text-align: center;
  display: none;  
}

.mp-progress-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mp-progress-container {
  height: 5px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  position: relative;
  cursor: pointer;
  overflow: visible;
}

.mp-progress-bar {
  height: 100%;
  background: #ff3838;  
  border-radius: 3px;
  width: 0%;
  position: relative;
  transition: width 0.1s linear;
}

.mp-progress-knob {
  width: 12px;
  height: 12px;
  background: #ff3838;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  right: -6px;
  transform: translateY(-50%) scale(0);
  box-shadow: 0 0 8px rgba(255, 56, 56, 0.6);
  transition: transform 0.2s var(--ease);
}

.mp-progress-container:hover .mp-progress-knob {
  transform: translateY(-50%) scale(1);
}

.mp-time-display {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 2px;
}

.mp-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.mp-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, transform 0.2s;
  padding: 6px;
}

.mp-btn:hover {
  color: var(--text);
  transform: scale(1.1);
}

.mp-play-pause-btn {
  width: 48px;
  height: 48px;
  background: #ff3838;  
  border-radius: 50%;
  color: var(--text);
  box-shadow: 0 4px 15px rgba(255, 56, 56, 0.4);
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s, background-color 0.2s;
}

.mp-play-pause-btn:hover {
  transform: scale(1.08);
  background-color: #ff5252;
  box-shadow: 0 6px 20px rgba(255, 56, 56, 0.6);
  color: var(--text);
}

.mp-play-pause-btn:active {
  transform: scale(0.95);
}

.mp-play-pause-btn svg {
  fill: currentColor;
}

.mp-volume-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}

.mp-volume-btn {
  color: var(--text-muted);
  padding: 4px;
}

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

.mp-volume-slider-container {
  flex-grow: 1;
  display: flex;
  align-items: center;
}

.mp-volume-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.mp-volume-slider::-webkit-slider-value {
  background: #ff3838;
}

.mp-volume-slider::-webkit-slider-runnable-track {
  height: 4px;
}

.mp-volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ff3838;
  cursor: pointer;
  box-shadow: 0 0 5px rgba(255, 56, 56, 0.5);
  margin-top: -4px;
}

.mp-volume-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: none;
  border-radius: 50%;
  background: #ff3838;
  cursor: pointer;
  box-shadow: 0 0 5px rgba(255, 56, 56, 0.5);
}

.mp-volume-slider::-moz-range-progress {
  background-color: #ff3838;
  height: 4px;
  border-radius: 2px;
}

@keyframes rotateDisc {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@media (max-width: 576px) {
  .music-player-container {
    bottom: 16px;
    left: 16px;
  }
  .music-player-card {
    width: 280px;
  }
  .mp-cover-wrap {
    height: 130px;
  }
  .mp-cover-title-text {
    font-size: 0.85rem;
  }
}