/* ========================================
   音乐播放器 — 可展开唱片式播放器
   ======================================== */

/* ---- 容器 ---- */
#music-player {
  position: absolute;
  bottom: 16px;
  left: 16px;
  z-index: 9999;
  user-select: none;
  font-family: 'Noto Sans SC', sans-serif;
}

/* ---- 收起状态：触发入口 ---- */
.mp-trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 6px;
  background: rgba(26, 15, 10, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 107, 53, 0.2);
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.5),
    0 0 20px rgba(255, 107, 53, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  position: relative;
}

.mp-trigger:hover {
  transform: scale(1.05);
  border-color: rgba(255, 107, 53, 0.4);
  box-shadow:
    0 6px 30px rgba(0, 0, 0, 0.6),
    0 0 30px rgba(255, 107, 53, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.mp-trigger:active {
  transform: scale(0.97);
  transition-duration: 0.1s;
}

/* 展开后隐藏触发器 */
.mp-expanded .mp-trigger {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.8);
}

/* ---- 唱片（收起状态） ---- */
.mp-disc-wrapper {
  position: relative;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.mp-disc {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    #1a1a2e, #2d2d44, #1a1a2e, #2d2d44,
    #1a1a2e, #2d2d44, #1a1a2e
  );
  position: relative;
  animation: disc-spin 4s linear infinite;
  animation-play-state: paused;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 2px 8px rgba(0, 0, 0, 0.4);
}

/* 唱片纹路 */
.mp-disc-groove {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.04);
  top: 50%;
  left: 50%;
  pointer-events: none;
}

.mp-disc-groove:first-of-type {
  width: 28px;
  height: 28px;
  margin: -14px 0 0 -14px;
}

.mp-disc-groove-2 {
  width: 22px;
  height: 22px;
  margin: -11px 0 0 -11px;
}

.mp-disc-groove-3 {
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
}

/* 唱片中心标签 */
.mp-disc-label {
  position: absolute;
  width: 12px;
  height: 12px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: linear-gradient(135deg, #FF6B35, #FF9F1C);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 6px rgba(255, 107, 53, 0.4);
}

.mp-note {
  font-size: 7px;
  color: white;
  line-height: 1;
  animation: disc-spin 4s linear infinite reverse;
  animation-play-state: paused;
}

/* 唱针 */
.mp-needle {
  position: absolute;
  top: -2px;
  right: -4px;
  width: 14px;
  height: 2px;
  background: linear-gradient(90deg, #888, #ccc);
  border-radius: 1px;
  transform-origin: right center;
  transform: rotate(-30deg);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.mp-needle::after {
  content: '';
  position: absolute;
  right: -2px;
  top: -2px;
  width: 6px;
  height: 6px;
  background: radial-gradient(circle, #ddd, #999);
  border-radius: 50%;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.3);
}

/* ---- 歌曲信息（收起状态） ---- */
.mp-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
  max-width: 90px;
}

.mp-song-name {
  font-family: 'Outfit', sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: #FFF5E6;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
}

.mp-artist {
  font-size: 10px;
  color: rgba(255, 245, 230, 0.5);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
}

/* ---- 进度环（收起状态唱片上） ---- */
.mp-progress-ring {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 40px;
  height: 40px;
  pointer-events: none;
}

.mp-progress-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.mp-ring-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.06);
  stroke-width: 2;
}

.mp-ring-fill {
  fill: none;
  stroke: #FF6B35;
  stroke-width: 2;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.3s ease;
  filter: drop-shadow(0 0 3px rgba(255, 107, 53, 0.4));
}

/* ========================================
   展开面板
   ======================================== */
.mp-panel {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 280px;
  background: rgba(22, 12, 8, 0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 107, 53, 0.18);
  border-radius: 18px;
  padding: 18px;
  opacity: 0;
  transform: translateY(10px) scale(0.9);
  transform-origin: bottom left;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow:
    0 12px 48px rgba(0, 0, 0, 0.7),
    0 0 40px rgba(255, 107, 53, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* 展开时显示面板 */
.mp-expanded .mp-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* ---- 面板头部 ---- */
.mp-panel-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 面板内的唱片（大号） */
.mp-panel-disc-wrapper {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  position: relative;
}

.mp-panel-disc {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    #1a1a2e, #2d2d44, #1a1a2e, #2d2d44,
    #1a1a2e, #2d2d44, #1a1a2e
  );
  position: relative;
  animation: disc-spin 4s linear infinite;
  animation-play-state: paused;
  box-shadow:
    0 0 0 2px rgba(255, 107, 53, 0.15),
    0 4px 12px rgba(0, 0, 0, 0.5);
}

.mp-panel-disc .mp-disc-label {
  width: 16px;
  height: 16px;
}

.mp-panel-disc .mp-note {
  font-size: 9px;
}

.mp-panel-disc .mp-disc-groove:first-of-type {
  width: 38px;
  height: 38px;
  margin: -19px 0 0 -19px;
}

.mp-panel-disc .mp-disc-groove-2 {
  width: 30px;
  height: 30px;
  margin: -15px 0 0 -15px;
}

.mp-panel-disc .mp-disc-groove-3 {
  width: 22px;
  height: 22px;
  margin: -11px 0 0 -11px;
}

.mp-panel-info {
  flex: 1;
  min-width: 0;
}

.mp-panel-song {
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: #FFF5E6;
  line-height: 1.3;
}

.mp-panel-artist {
  font-size: 12px;
  color: rgba(255, 245, 230, 0.5);
  margin-top: 2px;
}

/* 关闭按钮 */
.mp-close-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  color: rgba(255, 245, 230, 0.5);
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.mp-close-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #FFF5E6;
  transform: rotate(90deg);
}

/* ---- 播放进度条 ---- */
.mp-progress-bar {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mp-progress-track {
  position: relative;
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  cursor: pointer;
  overflow: visible;
}

.mp-progress-track:hover {
  height: 8px;
}

.mp-progress-track:hover .mp-progress-thumb {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.mp-progress-filled {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #FF6B35, #FF9F1C);
  border-radius: 3px;
  transition: width 0.15s ease;
  box-shadow: 0 0 8px rgba(255, 107, 53, 0.3);
}

.mp-progress-thumb {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 14px;
  height: 14px;
  background: #FF9F1C;
  border: 2px solid #FFF5E6;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  transition: all 0.2s ease;
  box-shadow: 0 0 8px rgba(255, 159, 28, 0.4);
  pointer-events: none;
}

.mp-time-row {
  display: flex;
  justify-content: space-between;
  font-family: 'Outfit', sans-serif;
  font-size: 11px;
  color: rgba(255, 245, 230, 0.4);
  font-weight: 600;
}

/* ---- 控制区 ---- */
.mp-controls {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 播放/暂停按钮 */
.mp-play-btn {
  width: 42px;
  height: 42px;
  border: none;
  background: linear-gradient(135deg, #FF6B35, #FF9F1C);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow:
    0 4px 16px rgba(255, 107, 53, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.mp-play-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
  animation: mp-shimmer 3s ease infinite;
}

@keyframes mp-shimmer {
  0% { left: -100%; }
  50%, 100% { left: 100%; }
}

.mp-play-btn:hover {
  transform: scale(1.12);
  box-shadow: 0 6px 22px rgba(255, 107, 53, 0.5);
}

.mp-play-btn:active {
  transform: scale(0.92);
  transition-duration: 0.1s;
}

.mp-play-icon {
  font-size: 16px;
  color: white;
  line-height: 1;
  position: relative;
  z-index: 1;
}

/* ---- 音量控制区 ---- */
.mp-volume-section {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.mp-vol-icon-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.mp-vol-icon-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: scale(1.1);
}

.mp-vol-icon {
  font-size: 14px;
  line-height: 1;
}

/* 音量滑块容器 */
.mp-volume-slider-wrapper {
  position: relative;
  flex: 1;
  height: 20px;
  display: flex;
  align-items: center;
}

/* 隐藏原生滑块，但保留交互 */
.mp-volume-slider {
  position: absolute;
  width: 100%;
  height: 20px;
  margin: 0;
  padding: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
  -webkit-appearance: none;
  appearance: none;
}

/* 自定义音量轨道 */
.mp-volume-track {
  position: relative;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
  pointer-events: none;
}

.mp-volume-filled {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 35%;
  background: linear-gradient(90deg, #FF6B35, #FF9F1C);
  border-radius: 2px;
  transition: width 0.1s ease;
  box-shadow: 0 0 6px rgba(255, 107, 53, 0.25);
}

/* hover 时轨道变粗 */
.mp-volume-slider-wrapper:hover .mp-volume-track {
  height: 6px;
}

.mp-volume-value {
  font-family: 'Outfit', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: rgba(255, 245, 230, 0.4);
  min-width: 22px;
  text-align: right;
  flex-shrink: 0;
}

/* ========================================
   播放状态控制
   ======================================== */

/* 唱片旋转 — 收起状态 */
.mp-playing .mp-disc {
  animation-play-state: running;
}

.mp-playing .mp-trigger .mp-note {
  animation-play-state: running;
}

.mp-playing .mp-needle {
  transform: rotate(-10deg);
}

.mp-playing .mp-disc-label {
  box-shadow: 0 0 10px rgba(255, 107, 53, 0.6);
}

/* 唱片旋转 — 展开面板内 */
.mp-playing .mp-panel-disc {
  animation-play-state: running;
}

.mp-playing .mp-panel-disc .mp-note {
  animation-play-state: running;
}

/* 暂停状态 — 唱针收回 */
.mp-paused .mp-needle {
  transform: rotate(-30deg);
}

/* ========================================
   动画
   ======================================== */
@keyframes disc-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 入场动画 */
.mp-trigger {
  animation: mp-slide-in 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s both;
}

@keyframes mp-slide-in {
  from {
    opacity: 0;
    transform: translateX(-60px) scale(0.5);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

/* 播放中呼吸光效 */
.mp-playing .mp-trigger {
  animation: mp-slide-in 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s both,
             mp-glow 2.5s ease-in-out infinite;
}

@keyframes mp-glow {
  0%, 100% {
    box-shadow:
      0 4px 24px rgba(0, 0, 0, 0.5),
      0 0 20px rgba(255, 107, 53, 0.08),
      inset 0 1px 0 rgba(255, 255, 255, 0.05);
  }
  50% {
    box-shadow:
      0 4px 24px rgba(0, 0, 0, 0.5),
      0 0 30px rgba(255, 107, 53, 0.2),
      inset 0 1px 0 rgba(255, 255, 255, 0.08);
  }
}

/* 展开面板时的光效 */
.mp-expanded .mp-panel {
  animation: mp-panel-glow 3s ease-in-out infinite;
}

@keyframes mp-panel-glow {
  0%, 100% {
    box-shadow:
      0 12px 48px rgba(0, 0, 0, 0.7),
      0 0 40px rgba(255, 107, 53, 0.06),
      inset 0 1px 0 rgba(255, 255, 255, 0.06);
  }
  50% {
    box-shadow:
      0 12px 48px rgba(0, 0, 0, 0.7),
      0 0 50px rgba(255, 107, 53, 0.12),
      inset 0 1px 0 rgba(255, 255, 255, 0.08);
  }
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 360px) {
  .mp-info {
    display: none;
  }
  .mp-trigger {
    padding: 6px;
    border-radius: 50%;
  }
  .mp-panel {
    width: 260px;
    left: -8px;
  }
}