/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #6666FF;
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: 0 0 4px 0;
  z-index: 100;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

:root{
  --bg-url:none;
  /* 疗愈系温暖背景 */
  --bg-tint: linear-gradient(135deg, rgba(45,35,65,.85) 0%, rgba(35,25,45,.9) 40%, rgba(25,35,55,.95) 100%);
  /* 高对比度前景色 */
  --fg:#ffffff;
  --muted:#f5f0e8;
  /* 疗愈主色 - 温暖金色 */
  --accent:#e8b86d;
  /* 面板背景 - 高对比度 */
  --panel-bg:rgba(255,248,235,.18);
  --panel-br:16px;
  --panel-border:rgba(255,215,160,.35);
  --panel-border-2:rgba(255,230,180,.22);
  /* 柔和阴影 */
  --shadow:0 12px 40px rgba(25,15,35,.3);
  --round:14px;
  --mono: "SF Pro Text", "Helvetica Neue", system-ui, -apple-system, sans-serif;
  --carousel-radius: 240px;

  /* 疗愈主题色彩 */
  --healing-forest: #7ba05b;
  --healing-fire: #e8956d;
  --healing-water: #6db5e8;
  --healing-cosmic: #a56de8;
  --healing-earth: #d4c5a9;

  /* 动态主题色彩（会随当前主题变化） */
  --theme-primary: var(--accent);
  --theme-secondary: var(--healing-earth);
  --theme-accent: var(--accent);
}

*, *::before, *::after{ box-sizing:border-box; }
html, body{ height:100%; }
body{
  margin:0;
  color:var(--fg);
  font:14px/1.5 "SF Pro Text", "Helvetica Neue", system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft Yahei", sans-serif;
  background:
    radial-gradient(ellipse 100% 60% at 50% 40%,
      rgba(232,184,109,0.18) 0%,
      rgba(171,109,232,0.15) 50%,
      rgba(45,35,65,0.9) 100%
    ),
    linear-gradient(135deg,
      rgba(45,35,65,0.85) 0%,
      rgba(35,25,45,0.9) 40%,
      rgba(25,35,55,0.95) 100%
    );
  background-size: 100% 100%;
  background-attachment: fixed;
  animation: breathingPulse 12s ease-in-out infinite;
  overflow:auto;
}

/* 呼吸动画 - 模拟深度放松的呼吸节律 */
@keyframes breathingPulse {
  0%, 100% {
    background-size: 100% 100%;
    filter: brightness(0.95);
  }
  50% {
    background-size: 108% 108%;
    filter: brightness(1.03);
  }
}
a{ color:inherit; text-decoration:none; }

button{
  font:inherit;
  color:inherit;
  background:none;
  border:none;
  cursor:pointer;
}
button:disabled{
  cursor:not-allowed;
  opacity:.6;
}

::-webkit-scrollbar{ width:6px; }
::-webkit-scrollbar-thumb{
  background:rgba(255,255,255,.18);
  border-radius:999px;
}
::-webkit-scrollbar-track{
  background:rgba(255,255,255,.04);
}
*{
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.18) transparent;
}

.mountain{
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:-1;
  background:
    /* 简化的有机纹理层 */
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.02) 1px, transparent 2px),
    radial-gradient(circle at 80% 70%, rgba(232,184,109,0.03) 1px, transparent 2px),
    radial-gradient(circle at 40% 80%, rgba(171,109,232,0.02) 1px, transparent 2px),
    /* 柔和的深度层 */
    radial-gradient(ellipse 80% 40% at 50% 100%, rgba(232,184,109,0.06), transparent),
    linear-gradient(180deg, transparent 70%, rgba(25,35,55,0.08));
  background-size:
    100px 100px,
    150px 150px,
    120px 120px,
    100% 100%,
    100% 100%;
  background-position: 0 0, 30px 60px, 70px 20px, 0 0, 0 0;
  animation: textureFloat 25s ease-in-out infinite;
}

/* 微妙的纹理漂移动画 */
@keyframes textureFloat {
  0%, 100% {
    background-position: 0 0, 30px 60px, 70px 20px, 0 0, 0 0;
  }
  50% {
    background-position: 20px 20px, 50px 80px, 90px 40px, 0 0, 0 0;
  }
}

.topbar{
  position:fixed;
  left:24px;
  right:24px;
  top:14px;
  height:34px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 12px;
  color:var(--muted);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  background:rgba(20,24,30,.35);
  border:1px solid var(--panel-border-2);
  border-radius:999px;
  box-shadow:var(--shadow);
  z-index:20;
}
.topbar .left,
.topbar .right{
  display:flex;
  gap:14px;
  align-items:center;
}
.dot{
  width:8px;
  height:8px;
  border-radius:50%;
  display:inline-block;
  background:#7bd88f;
  box-shadow:0 0 5px 1px rgba(123,216,143,.35);
}
.sep{ opacity:.45; font-variant:all-small-caps; }
.brand{ font-weight:600; letter-spacing:.05em; text-transform:uppercase; font-size:12px; }

/* 振幅波形显示 */
.amplitude-label {
  font-size: 11px;
  font-weight: 600;
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.amplitude-container {
  position: relative;
  width: 180px;
  height: 24px;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,215,160,0.2);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.4);
}

#amplitudeCanvas {
  width: 100%;
  height: 100%;
  display: block;
  filter: blur(0.3px) saturate(1.2);
}

.status-indicator {
  font-size: 14px;
  animation: gentlePulse 3s ease-in-out infinite;
}

@keyframes gentlePulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

/* ========== 语言选择器 ========== */
.language-selector {
  margin-right: 12px;
}

.language-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,215,160,0.2);
  border-radius: 16px;
  padding: 4px 10px;
  color: #ffffff;
  font-size: 11px;
  font-weight: 600;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
  backdrop-filter: blur(6px);
  cursor: pointer;
  transition: all 0.3s ease;
}

.language-btn:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,215,160,0.3);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.language-icon {
  font-size: 12px;
  animation: gentlePulse 4s ease-in-out infinite;
}

.language-text {
  min-width: 20px;
  text-align: center;
}

/* ========== 全局文字清晰度优化 ========== */
/* 超高对比度文字样式 */
.ultra-clear-text,
.title,
.brand-title,
.track-title,
.card-label,
.card-value,
.control-label,
.stat-number,
.stat-label,
.theme-current,
.amplitude-label {
  color: #ffffff;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0,0,0,0.8);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* 高对比度次级文字 */
.high-contrast-text,
.card-extra,
.track-theme,
.time-info,
.setting-icon,
.theme-hint {
  color: #f8f8f8;
  font-weight: 600;
  text-shadow: 0 2px 4px rgba(0,0,0,0.7);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 普通高对比度文字 */
.clear-text,
.tip-text,
.volume-value,
.timer-status,
.track-duration {
  color: #f0f0f0;
  font-weight: 500;
  text-shadow: 0 1px 2px rgba(0,0,0,0.6);
  -webkit-font-smoothing: antialiased;
}

/* 确保所有按钮文字清晰 */
button,
.control-btn,
.mode-btn,
.timer-button {
  color: #ffffff !important;
  font-weight: 600 !important;
  text-shadow:
    0 2px 6px rgba(0,0,0,0.8),
    0 1px 3px rgba(0,0,0,0.9) !important;
}

/* 错误通知动画 */
@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* 可访问性改进 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* 列表项文字优化 */
.track-item,
.track-name {
  color: #ffffff !important;
  font-weight: 600 !important;
  text-shadow:
    0 2px 6px rgba(0,0,0,0.8),
    0 1px 3px rgba(0,0,0,0.9) !important;
}

/* ========== 振幅可视化显示 ========== */
.amplitude-visualization {
  margin: 16px 0 20px 0;
  padding: 16px;
  background: rgba(232,184,109,0.08);
  border: 1px solid rgba(255,215,160,0.2);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  height: 140px; /* 保持原统计框大小 */
  display: flex;
  align-items: center;
  justify-content: center;
}

#mainAmplitudeCanvas {
  width: 100%;
  height: 100%;
  border-radius: 8px;
  background: transparent;
}

.amplitude-header {
  text-align: center;
  margin-bottom: 16px;
}

.amplitude-title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0,0,0,0.6), 0 1px 2px rgba(0,0,0,0.8);
  margin-bottom: 4px;
}

.amplitude-subtitle {
  display: block;
  font-size: 11px;
  color: #f8f8f8;
  opacity: 0.8;
  text-shadow: 0 1px 3px rgba(0,0,0,0.6);
}

.amplitude-display-container {
  position: relative;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,215,160,0.15);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.4);
}

#mainAmplitudeCanvas {
  width: 100%;
  height: 120px;
  display: block;
  filter: blur(0.2px) saturate(1.3);
}

.amplitude-info {
  position: absolute;
  top: 8px;
  right: 12px;
  text-align: right;
}

.amplitude-status {
  font-size: 12px;
  font-weight: 600;
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0,0,0,0.8);
  margin-bottom: 2px;
}

.amplitude-description {
  font-size: 10px;
  color: #f0f0f0;
  opacity: 0.7;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}

.grid{
  position:absolute;
  inset:64px 24px 24px 24px;
  display:grid;
  gap:16px;
  grid-template-columns:1.05fr 1fr;
  grid-template-rows:1fr 1fr; /* 恢复1:1比例，不留空 */
  align-items:stretch;
}
.panel{
  position:relative;
  background:var(--panel-bg);
  border:1px solid var(--panel-border);
  border-radius:var(--panel-br);
  box-shadow:var(--shadow);
  overflow:hidden;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.panel::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  background:
    linear-gradient(180deg, rgba(255,255,255,.08), transparent 22%),
    linear-gradient(90deg, rgba(255,255,255,.06), transparent 40%),
    radial-gradient(80% 100% at 10% -20%, rgba(255,255,255,.18), transparent 45%);
  pointer-events:none;
}
.panel .title{
  position:absolute;
  top:10px;
  left:12px;
  background:rgba(255,255,255,.08);
  border:1px solid var(--panel-border-2);
  padding:4px 12px;
  border-radius:999px;
  font:12px var(--mono);
  color:var(--muted);
  letter-spacing:.08em;
}
.panel .chrome{
  position:absolute;
  top:10px;
  right:12px;
  display:flex;
  gap:6px;
  z-index:2;
}
.panel .chrome i{
  width:10px;
  height:10px;
  border-radius:50%;
  background:rgba(255,255,255,.2);
  border:1px solid rgba(255,255,255,.12);
  display:inline-block;
}

.left-span{
  grid-row:1 / span 2;
  grid-column:1;
  padding:18px 18px 18px 18px;
  display:flex;
  flex-direction:column;
  align-self:start;
}
.right{
  grid-column:2;
  display:grid;
  grid-template-rows:auto auto;
  gap:16px;
  align-self:start;
  justify-self:start;
  width:100%;
  max-width:520px;
}
.right-top, .right-bottom{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.right-top .panel{
  min-height:200px; /* 上排框稍高一些 */
}
.right-bottom .panel{
  min-height:220px; /* 下排框更高一些，容纳播放器内容 */
}

/* ========== Fastfetch 风格信息面板 ========== */
.fetch{
  display:grid;
  gap:14px;
  grid-template-columns: 1.1fr 1fr;
  height:100%;
}
.ascii{
  font: 12px/1.05 var(--mono);
  white-space: pre;
  color:#b7c5d6;
  opacity:.85;
  align-self:start;
  overflow:auto;
  padding-right:8px;
}
.kv{
  font-family: var(--mono);
  color: var(--muted);
  font-size: 13px;
  padding: 6px 8px;
  border:1px solid var(--panel-border-2);
  border-radius: 10px;
  background: rgba(255,255,255,.035);
  margin-bottom:8px;
}
.kv b{
  color: var(--fg);
  font-weight:600;
}

/* ========== 自然场景动画 ========== */
.nature-scene {
  position: relative;
  overflow: hidden;
}

.scene-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

#natureCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.floating-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.theme-selector {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(244,241,235,0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,215,160,0.15);
  border-radius: 24px;
  padding: 8px 16px;
  margin-bottom: 20px;
}

.theme-nav-btn {
  width: 28px;
  height: 28px;
  background: rgba(232,184,109,0.15);
  border: 1px solid rgba(232,184,109,0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--theme-primary);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.theme-nav-btn:hover {
  background: rgba(232,184,109,0.25);
  border-color: rgba(232,184,109,0.4);
  transform: scale(1.05);
}

/* 主题色彩响应样式 */
.theme-nav-btn,
.control-btn,
.healing-slider::-webkit-slider-thumb,
.healing-slider::-moz-range-thumb {
  transition: all 0.3s ease;
}

.theme-info {
  text-align: center;
  min-width: 100px;
}

.theme-current {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 2px;
}

.theme-hint {
  font-size: 10px;
  color: var(--muted);
  opacity: 0.8;
}

.scene-icon {
  font-size: 32px;
  margin-top: 8px;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.2));
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

/* ========== 疗愈音频控制器 ========== */
.audio-controller {
  position: relative;
}

.audio-content {
  padding: 16px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.now-playing-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(244,241,235,0.05);
  border: 1px solid rgba(255,215,160,0.1);
  border-radius: 12px;
  padding: 12px;
}

.track-info {
  flex: 1;
}

.track-title {
  font-size: 13px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.6), 0 1px 2px rgba(0,0,0,0.8);
}

.track-theme {
  font-size: 11px;
  color: #ffffff;
  opacity: 0.85;
  text-shadow: 0 2px 3px rgba(0,0,0,0.5), 0 1px 2px rgba(0,0,0,0.7);
}

.playback-icon {
  font-size: 18px;
  opacity: 0.8;
}

.progress-section {
  background: rgba(244,241,235,0.03);
  border-radius: 10px;
  padding: 10px;
}

.time-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: #ffffff;
  margin-bottom: 6px;
  font-family: var(--mono);
  font-weight: 600;
  text-shadow: 0 2px 3px rgba(0,0,0,0.6), 0 1px 2px rgba(0,0,0,0.8);
}

.progress-bar-container {
  position: relative;
  height: 12px;
  padding: 3px 0;
  cursor: pointer;
  user-select: none;
}

.progress-bar-track {
  position: relative;
  height: 6px;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(255,215,160,0.3);
  border-radius: 3px;
  overflow: visible;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.3);
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #ffd700, var(--accent), var(--healing-cosmic));
  border-radius: 2px;
  width: 0%;
  transition: width 0.1s ease;
  box-shadow: 0 0 8px rgba(255,215,0,0.4);
  position: relative;
}

.progress-bar-thumb {
  position: absolute;
  top: 50%;
  right: -6px;
  width: 12px;
  height: 12px;
  background: #ffffff;
  border: 2px solid var(--accent);
  border-radius: 50%;
  transform: translateY(-50%);
  cursor: grab;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3), 0 0 0 2px rgba(255,255,255,0.1);
  transition: all 0.2s ease;
  opacity: 0;
}

.progress-bar-container:hover .progress-bar-thumb {
  opacity: 1;
}

.progress-bar-thumb:hover {
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 3px 8px rgba(0,0,0,0.4), 0 0 0 3px rgba(255,255,255,0.2);
}

.progress-bar-thumb:active,
.progress-bar-thumb.dragging {
  cursor: grabbing;
  transform: translateY(-50%) scale(1.2);
  box-shadow: 0 4px 12px rgba(0,0,0,0.5), 0 0 0 4px rgba(255,255,255,0.3);
}

.progress-bar-container.dragging .progress-bar-fill {
  transition: none;
}

.control-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.control-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: rgba(232,184,109,0.1);
  border: 1px solid rgba(232,184,109,0.2);
  border-radius: 12px;
  padding: 8px 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--fg);
  min-width: 50px;
}

.control-btn:hover {
  background: rgba(232,184,109,0.2);
  border-color: rgba(232,184,109,0.3);
  transform: translateY(-1px);
}

.control-btn.primary {
  background: rgba(232,184,109,0.2);
  border-color: rgba(232,184,109,0.4);
}

.control-btn.primary:hover {
  background: rgba(232,184,109,0.3);
  border-color: rgba(232,184,109,0.5);
}

.control-icon {
  font-size: 14px;
  margin-bottom: 2px;
}

.control-label {
  font-size: 9px;
  color: #ffffff;
  font-weight: 600;
  opacity: 0.9;
  text-shadow: 0 2px 3px rgba(0,0,0,0.6), 0 1px 2px rgba(0,0,0,0.8);
}

.settings-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.volume-control,
.timer-control {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(244,241,235,0.03);
  border-radius: 8px;
  padding: 6px 8px;
}

.setting-icon {
  font-size: 12px;
  width: 16px;
  text-align: center;
}

.healing-slider {
  flex: 1;
  height: 6px;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(255,215,160,0.3);
  border-radius: 3px;
  outline: none;
  appearance: none;
  cursor: pointer;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.3);
}

.healing-slider::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  background: linear-gradient(135deg, #ffd700, var(--accent));
  border: 2px solid #ffffff;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 3px 6px rgba(0,0,0,0.4), 0 0 12px rgba(255,215,0,0.5);
}

.healing-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: linear-gradient(135deg, #ffd700, var(--accent));
  border: 2px solid #ffffff;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 3px 6px rgba(0,0,0,0.4), 0 0 12px rgba(255,215,0,0.5);
}

.volume-value,
.timer-status {
  font-size: 10px;
  color: #ffffff;
  min-width: 32px;
  text-align: right;
  font-weight: 600;
  text-shadow: 0 2px 3px rgba(0,0,0,0.6), 0 1px 2px rgba(0,0,0,0.8);
}

.healing-select {
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,215,160,0.4);
  color: #ffffff;
  padding: 4px 6px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  text-shadow: 0 2px 3px rgba(0,0,0,0.6), 0 1px 2px rgba(0,0,0,0.8);
}

.healing-select:focus {
  border-color: rgba(232,184,109,0.4);
  background: rgba(232,184,109,0.08);
}

.healing-select option {
  background: rgba(45,35,65,0.95);
  color: #ffffff;
}

/* ========== 播放模式控制 ========== */
.playback-modes {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 4px;
}

.mode-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: rgba(244,241,235,0.08);
  border: 1px solid rgba(255,215,160,0.2);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  color: #ffffff;
  min-width: 45px;
}

.mode-btn:hover {
  background: rgba(244,241,235,0.15);
  border-color: rgba(255,215,160,0.3);
  transform: translateY(-1px);
}

.mode-btn.active {
  background: rgba(232,184,109,0.2);
  border-color: rgba(232,184,109,0.4);
  box-shadow: 0 0 8px rgba(232,184,109,0.3);
}

.mode-btn.active .mode-icon {
  animation: pulse 2s ease-in-out infinite;
}

.mode-icon {
  font-size: 12px;
  margin-bottom: 1px;
}

.mode-label {
  font-size: 8px;
  color: #ffffff;
  font-weight: 600;
  opacity: 0.9;
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* ========== 品牌标识与版权 ========== */
.brand-signature {
  position: fixed;
  bottom: 8px;
  right: 12px;
  font-size: 10px;
  color: rgba(244,241,235,0.3);
  font-family: var(--mono);
  z-index: 1000;
  pointer-events: none;
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
  transition: all 0.3s ease;
}

.brand-signature:hover {
  color: rgba(244,241,235,0.6);
}

/* 主题色彩协调点缀 */
.theme-accent-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--theme-primary);
  border-radius: 50%;
  margin-left: 4px;
  vertical-align: middle;
  animation: breathe 3s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

.hint{
  color:#7a8796;
  font:12px var(--mono);
}

/* ========== 疗愈仪表盘样式 ========== */
.healing-dashboard .dashboard-content{
  display: flex;
  flex-direction: column;
  gap: 20px;
  height: 100%;
  padding: 0;
}

.brand-section{
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--panel-border-2);
  position: relative;
}

.brand-section .language-selector {
  position: absolute;
  right: 0;
  top: 0;
}

.brand-icon{
  font-size: 32px;
  filter: drop-shadow(0 4px 8px rgba(232,184,109,.3));
}

.brand-info{
  flex: 1;
}

.brand-title{
  font-size: 20px;
  font-weight: 800;
  margin: 0;
  color: #ffffff;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 4px rgba(0,0,0,0.6), 0 1px 2px rgba(0,0,0,0.8);
}

.brand-subtitle{
  font-size: 13px;
  margin: 4px 0 0 0;
  color: #ffffff;
  opacity: 0.95;
  text-shadow: 0 2px 3px rgba(0,0,0,0.5), 0 1px 2px rgba(0,0,0,0.7);
}

.status-cards{
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.status-card{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(255,248,235,.06);
  border: 1px solid var(--panel-border-2);
  transition: all 0.3s ease;
}

.status-card:hover{
  background: rgba(255,248,235,.1);
  border-color: var(--panel-border);
  transform: translateY(-1px);
}

.card-icon{
  font-size: 24px;
  filter: drop-shadow(0 2px 4px rgba(232,184,109,.2));
}

.card-content{
  flex: 1;
}

.card-label{
  font-size: 11px;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 2px;
  opacity: 0.85;
  text-shadow: 0 2px 3px rgba(0,0,0,0.5), 0 1px 2px rgba(0,0,0,0.7);
}

.card-value{
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 2px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.6), 0 1px 2px rgba(0,0,0,0.8);
}

.card-extra{
  font-size: 12px;
  color: #ffffff;
  opacity: 0.8;
  text-shadow: 0 2px 3px rgba(0,0,0,0.5), 0 1px 2px rgba(0,0,0,0.7);
}

.healing-stats{
  display: flex;
  justify-content: space-between;
  padding: 16px;
  background: rgba(232,184,109,.08);
  border-radius: 12px;
  border: 1px solid rgba(232,184,109,.2);
}

.stat-item{
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.stat-number{
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.stat-label{
  font-size: 11px;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.9;
  text-shadow: 0 2px 3px rgba(0,0,0,0.5), 0 1px 2px rgba(0,0,0,0.7);
}

.healing-tip{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: rgba(171,109,232,.08);
  border-radius: 12px;
  border: 1px solid rgba(171,109,232,.2);
  margin-top: auto;
}

.tip-icon{
  font-size: 16px;
  opacity: 0.8;
}

.tip-text{
  font-size: 12px;
  color: #ffffff;
  line-height: 1.4;
  opacity: 0.9;
  text-shadow: 0 2px 3px rgba(0,0,0,0.5), 0 1px 2px rgba(0,0,0,0.7);
}

.playlist-panel{
  padding:24px;
  display:flex;
  flex-direction:column;
  position:relative;
  isolation:isolate;
  max-width:680px;
  min-height:520px;
}
.playlist-background{
  position:absolute;
  inset:0;
  border-radius:inherit;
  background:var(--theme-gradient, linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.02)));
  opacity:.92;
  filter:saturate(1.1);
  z-index:0;
}
.playlist-background::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(120% 120% at 20% -10%, rgba(255,255,255,.25), transparent 55%);
  mix-blend-mode:screen;
  opacity:.35;
}
.playlist-content{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  flex:1;
  gap:18px;
}
.playlist-header{
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:16px;
  flex-wrap:wrap;
}

.playlist-info{
  display:flex;
  align-items:center;
  gap:16px;
  min-width:0;
}
.playlist-actions{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
}
.playlist-toggle{
  padding:10px 18px;
  border-radius:999px;
  background:rgba(0,0,0,.28);
  border:1px solid rgba(255,255,255,.16);
  color:var(--fg);
  transition:background .2s ease, border .2s ease, transform .2s ease;
}
.playlist-toggle:hover{
  background:rgba(0,0,0,.2);
  border-color:rgba(255,255,255,.28);
  transform:translateY(-1px);
}
.playlist-panel.collapsed .playlist-content{
  gap:12px;
}

.theme-chip{
  width:52px;
  height:52px;
  border-radius:16px;
  background:rgba(0,0,0,.35);
  border:1px solid rgba(255,255,255,.18);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:26px;
  box-shadow:0 10px 24px rgba(0,0,0,.35);
}
.playlist-meta{
  display:flex;
  flex-direction:column;
  gap:4px;
  min-width:0;
}
.playlist-title{
  font-size:20px;
  font-weight:600;
  letter-spacing:.04em;
  text-shadow:0 4px 14px rgba(0,0,0,.35);
}
.playlist-subtitle{
  font-size:12px;
  color:var(--muted);
}
.play-all{
  margin-left:auto;
  padding:10px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  transition:background .2s, border .2s, transform .2s;
}
.play-all:hover{
  background:rgba(255,255,255,.2);
  border-color:rgba(255,255,255,.3);
  transform:translateY(-1px);
}

.track-list{
  flex:1;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding-right:6px;
  max-height:280px;
  transition:max-height .3s ease, opacity .3s ease;
}
.track-list.collapsed{
  max-height:0;
  opacity:0;
  pointer-events:none;
  padding-top:0;
  padding-bottom:0;
}
.empty-placeholder{
  padding:20px;
  text-align:center;
  color:rgba(255,255,255,.7);
  font-size:13px;
  border-radius:14px;
  border:1px dashed rgba(255,255,255,.24);
  background:rgba(0,0,0,.22);
}
.track-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 16px;
  border-radius:16px;
  width:100%;
  text-align:left;
  background:rgba(12,18,28,.48);
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:background .2s, border .2s, transform .2s, box-shadow .2s;
}
.track-item:hover{
  background:rgba(12,18,28,.65);
  border-color:rgba(255,255,255,.26);
  transform:translateY(-1px);
}
.track-item.playing{
  background:rgba(255,255,255,.22);
  color:#0d1b2a;
  border-color:var(--accent);
  box-shadow:0 14px 32px rgba(0,0,0,.28), 0 0 0 1px rgba(255,255,255,.3) inset;
}
.track-number{
  width:32px;
  font:12px var(--mono);
  color:rgba(255,255,255,.6);
  letter-spacing:.12em;
}
.track-item.playing .track-number{
  color:rgba(0,0,0,.6);
}
.track-info{
  display:flex;
  flex-direction:column;
  gap:4px;
  flex:1;
  min-width:0;
}
.track-name{
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.track-duration{
  font-size:12px;
  color:rgba(255,255,255,.65);
}
.track-item.playing .track-duration{
  color:rgba(0,0,0,.65);
}

.theme-panel{
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:18px;
  isolation:isolate;
}
.theme-panel-content{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  gap:18px;
  height:100%;
}

.theme-carousel{
  display:flex;
  flex-direction:column;
  gap:18px;
  height:100%;
}
.carousel-stage{
  position:relative;
  flex:1;
  min-height:190px;
  padding-bottom:40px;
  perspective:900px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.carousel-track{
  position:relative;
  width:100%;
  height:100%;
  transform-style:preserve-3d;
  transition:transform .7s ease;
  transform: translateZ(calc(-1 * var(--carousel-radius))) rotateY(0deg);
}
.carousel-card{
  position:absolute;
  top:50%;
  left:50%;
  width:160px;
  min-height:120px;
  padding:16px;
  border-radius:16px;
  background:var(--theme-gradient, rgba(0,0,0,.32));
  border:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-direction:column;
  gap:10px;
  justify-content:flex-start;
  transform-style:preserve-3d;
  color:var(--fg);
  opacity:.55;
  box-shadow:0 12px 28px rgba(0,0,0,.2);
  transition:transform .7s ease, opacity .4s ease, border .3s ease, box-shadow .3s ease;
}
.carousel-card.active{
  opacity:1;
  border-color:var(--accent);
  box-shadow:0 18px 42px rgba(0,0,0,.35);
}
.carousel-card__icon{
  font-size:26px;
  text-shadow:0 6px 14px rgba(0,0,0,.4);
}
.carousel-card__title{
  font-size:15px;
  font-weight:600;
  letter-spacing:.04em;
}
.carousel-card__subtitle{
  font-size:12px;
  color:rgba(255,255,255,.76);
  line-height:1.4;
}
.carousel-controls{
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:12px;
}
.carousel-btn{
  border-radius:12px;
  padding:8px 16px;
  background:rgba(0,0,0,.3);
  border:1px solid rgba(255,255,255,.16);
  color:var(--fg);
  font-size:13px;
  transition:background .2s ease, border .2s ease, transform .2s ease;
}
.carousel-btn:hover{
  background:rgba(0,0,0,.2);
  border-color:rgba(255,255,255,.3);
  transform:translateY(-1px);
}
.carousel-meta{
  flex:1;
  text-align:center;
  font-size:14px;
  font-weight:500;
  letter-spacing:.04em;
}

.theme-grid{
  display:grid;
  gap:14px;
  grid-template-columns:repeat(auto-fit, minmax(140px, 1fr));
}
.theme-card{
  position:relative;
  overflow:hidden;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.14);
  padding:18px;
  min-height:150px;
  display:flex;
  flex-direction:column;
  justify-content:flex-start;
  gap:14px;
  text-align:left;
  background:var(--theme-gradient, linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.02)));
  box-shadow:0 18px 28px rgba(0,0,0,.25);
  transition:transform .25s, border .25s, box-shadow .25s;
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.theme-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(120% 120% at 20% -10%, rgba(255,255,255,.25), transparent 55%);
  mix-blend-mode:screen;
  opacity:.42;
}
.theme-card > *{
  position:relative;
  z-index:1;
}
.theme-card__icon{
  font-size:26px;
  filter:drop-shadow(0 6px 12px rgba(0,0,0,.35));
}
.theme-card__title{
  font-size:16px;
  font-weight:600;
  letter-spacing:.04em;
}
.theme-card__subtitle{
  font-size:12px;
  color:rgba(255,255,255,.82);
  line-height:1.4;
}
.theme-card__count{
  font-size:11px;
  color:rgba(255,255,255,.68);
  letter-spacing:.08em;
  text-transform:uppercase;
}
.theme-card:hover{
  transform:translateY(-6px);
  border-color:rgba(255,255,255,.38);
  box-shadow:0 24px 46px rgba(0,0,0,.34);
}
.theme-card.active{
  border-color:var(--accent);
  box-shadow:0 28px 54px rgba(0,0,0,.45), 0 0 0 1px rgba(255,255,255,.45) inset;
}

.transport-controls{
  display:flex;
  justify-content:flex-start;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
}
.control-buttons{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.transport-button{
  border-radius:12px;
  padding:6px 12px;
  background:rgba(0,0,0,.3);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
  transition:background .2s, border .2s, transform .2s, box-shadow .2s, color .2s;
  font-size:13px;
  letter-spacing:.02em;
}
.transport-button:hover{
  background:rgba(0,0,0,.2);
  border-color:rgba(255,255,255,.32);
  transform:translateY(-1px);
}
.transport-button.primary{
  background:var(--accent);
  color:#061120;
  border-color:rgba(255,255,255,.6);
  box-shadow:0 10px 24px rgba(0,0,0,.24);
}
.transport-button.primary:hover{
  background:rgba(255,255,255,.92);
}
.transport-button.active{
  background:rgba(255,255,255,.24);
  border-color:var(--accent);
  box-shadow:0 8px 24px rgba(0,0,0,.26), 0 0 0 1px rgba(255,255,255,.42) inset;
  color:#061120;
}
.transport-hint{
  font-size:12px;
  color:var(--muted);
  max-width:260px;
  line-height:1.4;
}

.clock{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  font-family:var(--mono);
}
.clock .time{
  font-size:clamp(24px, 6vw, 48px);
  letter-spacing:.12em;
  font-weight:700;
  color:#cfe5ff;
  text-shadow:0 0 16px rgba(139,180,255,.25);
  text-align: center;
}
.clock .date{
  position:absolute;
  bottom:18px;
  right:18px;
  color:var(--muted);
  font-size:12px;
  opacity:.9;
}

.playback-panel{
  padding:18px;
  display:flex;
  flex-direction:column;
  isolation:isolate;
}
.playback-content{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.now-playing{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.now-playing-label{
  font:12px var(--mono);
  letter-spacing:.12em;
  color:rgba(255,255,255,.6);
  text-transform:uppercase;
}
.now-playing-title{
  font-size:18px;
  font-weight:600;
  letter-spacing:.05em;
}
.now-playing-subtitle{
  font-size:12px;
  color:var(--muted);
}
.progress-group,
.volume-group,
.timer-group{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.progress-group label,
.volume-group label{
  font:12px var(--mono);
  letter-spacing:.12em;
  color:rgba(255,255,255,.7);
  text-transform:uppercase;
}
.progress-times{
  display:flex;
  justify-content:flex-start;
  font:12px var(--mono);
  color:rgba(255,255,255,.7);
}
.volume-row{
  display:flex;
  align-items:center;
  gap:12px;
}
.timer-header{
  display:flex;
  justify-content:flex-start;
  align-items:center;
  font:12px var(--mono);
  color:rgba(255,255,255,.8);
}
.timer-buttons{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.timer-button{
  padding:6px 12px;
  border-radius:10px;
  background:rgba(0,0,0,.26);
  border:1px solid rgba(255,255,255,.12);
  font-size:12px;
  transition:background .2s, border .2s, color .2s;
}
.timer-button:hover{
  background:rgba(0,0,0,.2);
  border-color:rgba(255,255,255,.28);
}
.timer-button.active{
  background:var(--accent);
  color:#061120;
  border-color:rgba(255,255,255,.6);
  box-shadow:0 10px 24px rgba(0,0,0,.28);
}

input[type=range]{
  -webkit-appearance:none;
  appearance:none;
  width:100%;
  height:4px;
  border-radius:999px;
  background:rgba(255,255,255,.2);
  outline:none;
  cursor:pointer;
  position:relative;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;
  appearance:none;
  width:16px;
  height:16px;
  border-radius:50%;
  background:var(--accent);
  border:2px solid rgba(255,255,255,.85);
  box-shadow:0 6px 18px rgba(0,0,0,.3);
}
input[type=range]::-moz-range-thumb{
  width:16px;
  height:16px;
  border-radius:50%;
  background:var(--accent);
  border:2px solid rgba(255,255,255,.85);
  box-shadow:0 6px 18px rgba(0,0,0,.3);
}

.term{
  padding:18px;
  height:100%;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.prompt{
  font:13px var(--mono);
  color:var(--muted);
  background:rgba(255,255,255,.08);
  border:1px solid var(--panel-border-2);
  border-radius:10px;
  padding:6px 10px;
  width:max-content;
}
.editor{
  flex:1;
  overflow:hidden;
  border-radius:10px;
  padding:14px;
  background:rgba(0,0,0,.22);
  border:1px solid var(--panel-border-2);
  font:13px/1.6 var(--mono);
  color:#d3dde8;
  outline:none;
  white-space:pre-wrap;
}

/* 响应式：变为单列 */
@media (max-width: 1000px){
  .grid{
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .left-span{
    grid-row:auto;
  }
  .right{
    grid-column:auto;
  }
}
@media (max-width: 720px){
  .right{ max-width:none; }
  .right-top .panel, .right-bottom .panel{ min-height:auto; }
  /* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #6666FF;
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: 0 0 4px 0;
  z-index: 100;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

:root{
    --carousel-radius: 200px;
  }
  .carousel-card{
    width:140px;
    min-height:110px;
  }
  .carousel-stage{
    min-height:160px;
    padding-bottom:48px;
  }

  .topbar{
    flex-direction:column;
    height:auto;
    gap:6px;
    padding:10px 14px;
    align-items:flex-start;
  }
  .control-buttons{
    justify-content:flex-start;
  }
  .transport-controls{
    flex-direction:column;
    align-items:flex-start;
  }
}

.theme-rain{ --theme-gradient: linear-gradient(135deg, #1a237e 0%, #283593 25%, #3949ab 50%, #5c6bc0 75%, #7986cb 100%); --theme-accent:#7f8dff; }
.theme-animal{ --theme-gradient: linear-gradient(135deg, #14532d 0%, #1b5e20 25%, #2e7d32 50%, #43a047 75%, #81c784 100%); --theme-accent:#66bb6a; }
.theme-fire{ --theme-gradient: linear-gradient(135deg, #4e1d09 0%, #bf360c 25%, #d84315 50%, #ff7043 75%, #ffab91 100%); --theme-accent:#ff7043; }
.theme-water{ --theme-gradient: linear-gradient(135deg, #013a63 0%, #01579b 25%, #0288d1 50%, #03a9f4 75%, #81d4fa 100%); --theme-accent:#4fc3f7; }
.theme-meditation{ --theme-gradient: linear-gradient(135deg, #311b92 0%, #4527a0 25%, #5e35b1 50%, #8e24aa 75%, #ce93d8 100%); --theme-accent:#ba68c8; }
.theme-hypnosis{ --theme-gradient: linear-gradient(135deg, #400020 0%, #5d1049 25%, #7b1fa2 50%, #c2185b 75%, #f06292 100%); --theme-accent:#f06292; }
.theme-temple{ --theme-gradient: linear-gradient(135deg, #3e2723 0%, #5d4037 25%, #795548 50%, #a1887f 75%, #ffe0b2 100%); --theme-accent:#ffca28; }
.theme-chakra{ --theme-gradient: linear-gradient(135deg, #0d1b2a 0%, #1a237e 20%, #3949ab 45%, #5c6bc0 70%, #9c27b0 100%); --theme-accent:#9c27b0; }
.theme-cosmic{ --theme-gradient: linear-gradient(135deg, #0d1421 0%, #16213e 25%, #0f3460 55%, #533483 80%, #7e57c2 100%); --theme-accent:#7e57c2; }

/* ========== 增强的无障碍功能样式 ========== */

/* 键盘导航时的焦点指示器 */
.keyboard-navigation *:focus {
  outline: 3px solid #4A90E2 !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 1px rgba(74, 144, 226, 0.3) !important;
}

/* 改善按钮的焦点可见性 */
.keyboard-navigation button:focus,
.keyboard-navigation .control-btn:focus,
.keyboard-navigation .mode-btn:focus,
.keyboard-navigation .theme-nav-btn:focus {
  background: rgba(74, 144, 226, 0.2) !important;
  transform: scale(1.05) !important;
  transition: all 0.2s ease !important;
}

/* 滑块控件的焦点样式 */
.keyboard-navigation input[type="range"]:focus {
  outline: 3px solid #4A90E2 !important;
  outline-offset: 3px !important;
}

/* 选择框的焦点样式 */
.keyboard-navigation select:focus {
  outline: 3px solid #4A90E2 !important;
  outline-offset: 2px !important;
  background: rgba(74, 144, 226, 0.1) !important;
}

/* 进度条容器的键盘焦点样式 */
.keyboard-navigation #progressContainer:focus {
  outline: 3px solid #4A90E2 !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 1px rgba(74, 144, 226, 0.3) !important;
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
  .keyboard-navigation *:focus {
    outline: 4px solid #000 !important;
    outline-offset: 2px !important;
    background: #FFFF00 !important;
    color: #000 !important;
  }

  .brand-title,
  .card-label,
  .card-value,
  .track-title,
  .control-label {
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8) !important;
  }
}

/* 减少动画偏好支持 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .particles,
  .floating-particles,
  canvas {
    animation: none !important;
  }
}

/* 语音播报状态的视觉指示器 */
.sr-announcement-indicator {
  position: fixed;
  top: 10px;
  left: 10px;
  background: rgba(74, 144, 226, 0.9);
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  z-index: 10002;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.sr-announcement-indicator.active {
  opacity: 1;
}

/* 无障碍工具提示 */
.accessibility-tooltip {
  position: absolute;
  background: rgba(0, 0, 0, 0.9);
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  white-space: nowrap;
  z-index: 10001;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.accessibility-tooltip.visible {
  opacity: 1;
}

/* ========== 分享功能样式 ========== */
.share-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  backdrop-filter: blur(4px);
}

.share-modal-content {
  background: linear-gradient(135deg, rgba(45,35,65,.98) 0%, rgba(35,25,45,.98) 100%);
  border: 1px solid rgba(255,215,160,0.3);
  border-radius: 16px;
  max-width: 400px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.share-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid rgba(255,215,160,0.2);
}

.share-modal-title {
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
  margin: 0;
}

.share-modal-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.6);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.share-modal-close:hover {
  color: #ffffff;
  background: rgba(255,255,255,0.1);
}

.share-modal-body {
  padding: 20px;
}

.share-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
  margin-bottom: 20px;
}

.share-preview-icon {
  font-size: 40px;
}

.share-preview-info {
  flex: 1;
}

.share-preview-title {
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 4px;
}

.share-preview-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}

.share-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.share-link-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,215,160,0.2);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.share-link-btn:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,215,160,0.4);
  transform: translateY(-2px);
}

.share-icon {
  font-size: 24px;
}

.share-text {
  font-size: 12px;
  color: #ffffff;
  font-weight: 500;
}

.share-tip {
  text-align: center;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  padding: 12px;
  background: rgba(232,184,109,0.1);
  border-radius: 8px;
}

/* 分享成功提示 */
.share-toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(45,35,65,.95);
  color: #ffffff;
  padding: 12px 24px;
  border-radius: 8px;
  border: 1px solid rgba(232,184,109,0.4);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  z-index: 10001;
  opacity: 0;
  transition: all 0.3s ease;
}

.share-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* 微信分享二维码 */
.share-qrcode {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  z-index: 10001;
  display: none;
}

.share-qrcode canvas {
  display: block;
}

.share-qrcode .close-qrcode {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: #666;
}

/* ========== 首次访问引导教程 ========== */
.onboarding-tutorial {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20000;
  pointer-events: none;
}

.onboarding-tutorial.active {
  pointer-events: all;
}

.tutorial-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.onboarding-tutorial.active .tutorial-overlay {
  opacity: 1;
}

.tutorial-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  opacity: 0;
  transition: all 0.5s ease;
}

.onboarding-tutorial.active .tutorial-content {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

.tutorial-step {
  display: none;
  background: linear-gradient(135deg, rgba(45,35,65,.98) 0%, rgba(35,25,45,.98) 100%);
  border: 1px solid rgba(255,215,160,0.3);
  border-radius: 20px;
  padding: 0;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.tutorial-step.active {
  display: block;
}

.tutorial-step-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 24px 16px;
  background: rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,215,160,0.2);
}

.tutorial-step-number {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #6666FF, #FF6699);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 600;
  color: white;
}

.tutorial-step-title {
  font-size: 24px;
  font-weight: 600;
  color: #ffffff;
  margin: 0;
}

.tutorial-step-body {
  padding: 24px;
}

.tutorial-illustration {
  font-size: 60px;
  text-align: center;
  margin-bottom: 20px;
}

.tutorial-step-body p {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(255,255,255,0.9);
  text-align: center;
  margin-bottom: 24px;
}

.tutorial-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 0;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.feature-icon {
  font-size: 24px;
}

.feature-item span:last-child {
  font-size: 12px;
  color: rgba(255,255,255,0.8);
}

.tutorial-tip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(232,184,109,0.1);
  border: 1px solid rgba(232,184,109,0.3);
  border-radius: 8px;
  margin: 0;
}

.tip-icon {
  font-size: 18px;
}

.tutorial-controls-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 0;
}

.control-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  background: rgba(255,255,255,0.05);
  border-radius: 8px;
}

.control-icon {
  font-size: 20px;
}

.control-item span:last-child {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
}

.tutorial-benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.benefit-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.benefit-icon {
  font-size: 24px;
}

.benefit-item span:last-child {
  font-size: 12px;
  color: rgba(255,255,255,0.8);
}

.tutorial-final-tip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  background: linear-gradient(135deg, rgba(102,102,255,0.2), rgba(255,102,153,0.2));
  border-radius: 8px;
  margin: 0;
}

.tip-star {
  font-size: 18px;
}

.tutorial-step-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px 24px;
  gap: 12px;
}

.tutorial-btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 80px;
}

.tutorial-btn-primary {
  background: linear-gradient(135deg, #6666FF, #FF6699);
  color: white;
}

.tutorial-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102,102,255,0.4);
}

.tutorial-btn-secondary {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  border: 1px solid rgba(255,255,255,0.2);
}

.tutorial-btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  color: white;
}

.tutorial-btn-start {
  background: linear-gradient(135deg, #4CAF50, #8BC34A);
}

.tutorial-progress {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
}

.progress-dots {
  display: flex;
  gap: 8px;
}

.progress-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.progress-dot.active {
  width: 24px;
  border-radius: 4px;
  background: linear-gradient(135deg, #6666FF, #FF6699);
}

.tutorial-highlight {
  position: absolute;
  border: 3px solid #6666FF;
  border-radius: 8px;
  box-shadow: 0 0 0 9999px rgba(0,0,0,0.85);
  pointer-events: none;
  opacity: 0;
  transition: all 0.5s ease;
  z-index: 19999;
}

.tutorial-highlight.show {
  opacity: 1;
}

/* 响应式设计 */
@media (max-width: 720px) {
  .tutorial-content {
    width: 95%;
    max-width: 400px;
  }

  .tutorial-step-header {
    padding: 20px 20px 12px;
  }

  .tutorial-step-title {
    font-size: 20px;
  }

  .tutorial-step-body {
    padding: 20px;
  }

  .tutorial-illustration {
    font-size: 48px;
  }

  .tutorial-features,
  .tutorial-benefits {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .tutorial-controls-list {
    grid-template-columns: 1fr;
  }

  .tutorial-step-footer {
    padding: 16px 20px 20px;
    flex-direction: column-reverse;
  }

  .tutorial-btn {
    width: 100%;
  }
}

/* 动画效果 */
@keyframes tutorialPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
}

.tutorial-step-number {
  animation: tutorialPulse 2s ease-in-out infinite;
}

/* 高亮动画 */
@keyframes highlightGlow {
  0%, 100% {
    box-shadow: 0 0 0 9999px rgba(0,0,0,0.85), 0 0 20px rgba(102,102,255,0.6);
  }
  50% {
    box-shadow: 0 0 0 9999px rgba(0,0,0,0.85), 0 0 30px rgba(102,102,255,0.8);
  }
}

.tutorial-highlight.show {
  animation: highlightGlow 2s ease-in-out infinite;
}

/* ========== 精选音频快速播放 ========== */
.featured-tracks {
  margin-top: 20px;
  padding: 16px;
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
  border: 1px solid rgba(255,215,160,0.2);
}

.featured-header {
  margin-bottom: 12px;
}

.featured-title {
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 4px;
}

.featured-subtitle {
  font-size: 11px;
  color: rgba(255,255,255,0.6);
}

.featured-track-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.featured-track-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,215,160,0.2);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: left;
}

.featured-track-btn:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,215,160,0.4);
  transform: translateX(4px);
}

.featured-track-btn:active {
  transform: translateX(2px);
}

.featured-icon {
  font-size: 20px;
  width: 24px;
  text-align: center;
}

.featured-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.featured-name {
  font-size: 12px;
  font-weight: 600;
  color: #ffffff;
}

.featured-desc {
  font-size: 10px;
  color: rgba(255,255,255,0.7);
}

.featured-track-btn.playing {
  background: linear-gradient(135deg, rgba(102,102,255,0.3), rgba(255,102,153,0.3));
  border-color: rgba(255,215,160,0.5);
  box-shadow: 0 0 12px rgba(102,102,255,0.3);
}

.featured-track-btn.playing .featured-name {
  color: #ffffff;
  text-shadow: 0 0 8px rgba(255,255,255,0.5);
}

/* 精选音频加载动画 */
@keyframes featuredPulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.featured-track-btn.loading {
  pointer-events: none;
  animation: featuredPulse 1.5s ease-in-out infinite;
}

/* 移动端优化 */
@media (max-width: 720px) {
  .featured-tracks {
    padding: 12px;
  }

  .featured-track-btn {
    padding: 8px 10px;
  }

  .featured-icon {
    font-size: 18px;
  }

  .featured-name {
    font-size: 11px;
  }

  .featured-desc {
    font-size: 9px;
  }
}