/* ==================== CSS 变量系统 ==================== */
:root {
  /* 主色调 - 与 setting.html 保持一致 */
  --primary-color: #007bff;
  --primary-hover: #0056b3;
  --primary-light: rgba(0, 123, 255, 0.1);

  /* 功能色 */
  --success-color: #28a745;
  --warning-color: #ffc107;
  --error-color: #dc3545;
  --info-color: #17a2b8;

  /* 中性色 */
  --text-primary: #333;
  --text-secondary: #555;
  --text-tertiary: #999;
  --text-inverse: #ffffff;

  /* 背景色 */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #f0f0f0;
  --bg-overlay: rgba(0, 0, 0, 0.5);
  --bg-page: #f5f5f5;

  /* 边框色 */
  --border-color: #ddd;
  --border-hover: #ccc;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 4px 20px rgba(0, 0, 0, 0.15);

  /* 间距系统 (4px 基准) */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;
  --spacing-3xl: 32px;
  --spacing-4xl: 40px;

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* 字体 */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 28px;

  /* 过渡动画 */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ==================== 基础样式 ==================== */
* {
  box-sizing: border-box;
}

html {
  height: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-page);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  height: auto;
  margin: 0;
  padding: 20px 0;
  color: var(--text-primary);
  overflow-x: hidden;
  width: 100%;
}

.index_page {
  min-height: 100vh;
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  overflow-x: hidden;
  padding-top: 20px;
  padding-bottom: 80px;
}

.player {
  background-color: var(--bg-primary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  text-align: center;
  max-width: 400px;
  width: calc(100% - 40px);
  margin: 20px;
  position: relative;
  transition: box-shadow var(--transition-base);
  box-sizing: border-box;
}

.player:hover {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
}

h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-xl);
  color: var(--text-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 600;
}

.component h2 {
  font-size: var(--font-size-xl);
  color: var(--text-primary);
  margin: 0 0 var(--spacing-xl) 0;
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--border-color);
  text-align: center;
  font-weight: 700;
}

.card-section {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.card-section:last-of-type {
  margin-bottom: var(--spacing-sm);
}

.card-section:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
}

.card-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0 0 var(--spacing-md) 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.close-button {
  background: var(--text-secondary) !important;
}

.close-button:hover {
  background: var(--text-primary) !important;
}

h1 a {
  margin-left: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

h1 a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.new-badge {
  position: absolute;
  top: -8px;
  right: -35px;
  background: var(--error-color);
  color: var(--text-inverse);
  border-radius: var(--radius-full);
  padding: 3px 8px;
  font-size: 11px;
  font-weight: bold;
  display: none;
  z-index: 10;
  box-shadow: var(--shadow-sm);
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin: var(--spacing-sm) 0;
  display: block;
  text-align: left;
  font-weight: 500;
}

select,
input[type="range"],
input[type="text"],
input[type="password"],
input[type="number"] {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
  transition: all var(--transition-base);
  box-sizing: border-box;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-family);
  max-width: 100%;
}

select:hover,
input[type="text"]:hover,
input[type="password"]:hover,
input[type="number"]:hover {
  border-color: var(--border-hover);
}

select:focus,
input[type="text"]:focus,
input[type="password"]:focus,
input[type="number"]:focus {
  border-color: var(--primary-color);
  outline: none;
  background: var(--bg-primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

select {
  overflow: hidden;
}

button {
  background-color: var(--primary-color);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  cursor: pointer;
  margin: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: background-color var(--transition-base);
  position: relative;
  font-family: var(--font-family);
}

button:hover {
  background-color: var(--primary-hover);
}

button:active {
  transform: translateY(1px);
}

.tooltip {
  visibility: hidden;
  background: var(--text-primary);
  color: var(--text-inverse);
  text-align: center;
  border-radius: var(--radius-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  position: absolute;
  z-index: 10;
  bottom: 150%;
  left: 50%;
  margin-left: -50px;
  width: 80px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--transition-base);
  font-size: var(--font-size-xs);
  box-shadow: var(--shadow-md);
  pointer-events: none;
}

.tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -4px;
  border-width: 4px;
  border-style: solid;
  border-color: var(--text-primary) transparent transparent transparent;
}

button:hover .tooltip,
.option-inline:hover .tooltip,
.control-button:hover .tooltip {
  visibility: visible;
  opacity: 1;
}

.option-inline {
  display: flex;
  margin-left: auto;
  position: relative;
  align-items: center;
  padding: var(--spacing-xs);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.option-inline:hover {
  background: var(--primary-light);
}

.option-inline .material-icons {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  font-size: 20px;
}

.option-inline:hover .material-icons {
  color: var(--primary-color);
}

.option-inline:hover .tooltip {
  left: -50px;
  bottom: 0;
}

.progress {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  margin: var(--spacing-xl) 0;
  cursor: pointer;
  overflow: hidden;
  position: relative;
  transition: height var(--transition-fast);
}

.progress:hover {
  height: 10px;
}

progress::-webkit-progress-bar {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
}

progress::-moz-progress-bar {
  background-color: var(--primary-color);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

progress::-webkit-progress-value {
  background-color: var(--primary-color);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.current-song {
  color: var(--text-primary);
  margin: var(--spacing-md) 0;
  font-weight: 600;
  text-align: center;
  font-size: var(--font-size-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.current-time,
.duration {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  font-weight: 500;
}

.component {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--bg-primary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  width: 360px;
  max-width: calc(100vw - 40px);
  max-height: 85vh;
  overflow-y: auto;
  overflow-x: hidden;
  opacity: 0;
  transition: all var(--transition-base);
  border: 1px solid var(--border-color);
  box-sizing: border-box;
  margin: 0 auto;
}

.component.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* 确保弹窗在所有情况下都水平居中 */
.component {
  right: auto;
}

/* 弹窗遮罩 */
.component-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-overlay);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.component-overlay.show {
  opacity: 1;
}

/* 美化滚动条 */
.component::-webkit-scrollbar {
  width: 6px;
}

.component::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 10px;
}

.component::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 10px;
}

.component::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

.component input {
  width: 100%;
  max-width: 100%;
  height: 42px;
  box-sizing: border-box;
  transition: all var(--transition-base);
  font-size: var(--font-size-sm);
}

.component input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.component input::placeholder {
  color: var(--text-tertiary);
}

.component-button-group {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: space-between;
  margin-top: var(--spacing-lg);
}

.component-button-group button {
  flex: 1;
  height: 42px;
  font-size: var(--font-size-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  margin: 0;
  transition: all var(--transition-base);
}

.component-button-group button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.component-button-one {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

.component-button-one button {
  width: 100%;
  height: 42px;
  font-size: var(--font-size-sm);
  margin: 0;
}

#warning-component p span {
  color: var(--primary-color);
  font-weight: 600;
}

.warning-text {
  font-weight: bold;
  word-wrap: break-word;
  overflow-wrap: break-word;
}


.button-group {
  display: flex;

  margin: 5px 0;
}

.player-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-lg) 0;
}

.control-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.control-button:hover {
  background: var(--primary-light);
  border-color: var(--primary-color);
  transform: scale(1.05);
}

.control-button:active {
  transform: scale(0.95);
}

.control-button .material-icons,
.control-button .material-icons-outlined {
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.control-button:hover .material-icons,
.control-button:hover .material-icons-outlined {
  color: var(--primary-color);
}

.play {
  font-size: 56px !important;
}

.control-button:has(.play) {
  width: 64px;
  height: 64px;
  background-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.control-button:has(.play):hover {
  background-color: var(--primary-hover);
  box-shadow: var(--shadow-lg);
  transform: scale(1.08);
}

.control-button:has(.play) .material-icons-outlined {
  color: var(--text-inverse) !important;
}

.footer {
  position: fixed;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  user-select: none;
  font-weight: 500;
  z-index: 10;
  background-color: var(--bg-page);
  padding: var(--spacing-xs) var(--spacing-lg);
  border-radius: var(--radius-sm);
}






}

.timer-tooltip {
  bottom: 50%;
}

.timer-tooltip.show {
  visibility: visible !important;
  opacity: 1 !important;
  display: inline-block !important;
}

.favorite.favorite-active {
  background: rgba(255, 99, 71, 0.1);
  border-color: #ff6347;
}

.favorite.favorite-active .material-icons {
  color: #ff6347;
}

.favorite.favorite-active p {
  color: #ff6347;
}

/* Audio 元素已通过 .hidden-audio 类隐藏 */

/* 无障碍样式 - 屏幕阅读器专用类 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.sr-only-focusable:focus {
  position: static;
  width: auto;
  height: auto;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* ==================== 无障碍样式增强 ==================== */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

button:focus,
select:focus,
input:focus,
.control-button:focus,
.icon-item:focus,
.option-inline:focus,
.toggle-switch:focus {
  box-shadow: 0 0 0 3px var(--primary-light);
}

[role="button"]:focus,
[role="switch"]:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px var(--primary-light);
}

.debug {
  display: flex;
  flex-direction: column;
  align-items: center;

}

/* ==================== 响应式设计 ==================== */
@media screen and (max-width: 640px) {

  html,
  body {
    height: auto;
    min-height: 100vh;
  }

  body {
    padding: 10px 0;
    justify-content: flex-start;
  }

  .index_page {
    justify-content: flex-start;
    padding-top: 10px;
    padding-bottom: 60px;
  }

  .player {
    width: calc(100% - 20px);
    max-width: 100%;
    padding: var(--spacing-lg);
    margin: 10px auto;
    border-radius: var(--radius-md);
  }

  h1 {
    font-size: var(--font-size-xl);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
  }

  label {
    font-size: var(--font-size-sm);
    margin: var(--spacing-xs) 0;
  }

  select,
  input[type="text"],
  input[type="password"],
  input[type="number"] {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
  }

  .audio-section {
    margin: var(--spacing-md) 0;
  }

  .control-button {
    width: 42px;
    height: 42px;
  }

  .control-button:has(.play) {
    width: 54px;
    height: 54px;
  }

  .play {
    font-size: 46px !important;
  }

  .player-controls {
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) 0;
  }

  .mode-controls {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0 var(--spacing-sm);
    margin-top: var(--spacing-sm);
  }

  .icon-item {
    padding: var(--spacing-sm);
    min-height: 60px;
  }

  .icon-item .material-icons {
    font-size: 22px;
  }

  .icon-item p {
    font-size: 11px;
    margin-top: 2px;
  }

  .component {
    width: calc(100% - 20px);
    max-width: calc(100vw - 20px);
    padding: var(--spacing-lg);
    margin: 0;
    left: 50%;
    right: auto;
  }

  .footer {
    font-size: var(--font-size-xs);
    bottom: var(--spacing-sm);
    padding: 2px var(--spacing-md);
  }
}

@media screen and (min-width: 641px) and (max-width: 1024px) {
  .player {
    max-width: 480px;
  }
}

@media screen and (min-width: 1025px) {
  .player {
    max-width: 420px;
  }
}

.mini-button {
  padding: 0px 0px;
  margin: 0px;
  font-size: 14px;
  margin-left: auto;
}

.playlist-selector,
.device-selector,
.song-selector {
  width: 100%;
}

.mode-controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  border-top: 1px solid var(--border-color);
  margin-top: var(--spacing-lg);
}

.icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  min-height: 72px;
}

.icon-item:hover {
  background: var(--primary-light);
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.icon-item:active {
  transform: translateY(0);
}

.icon-item .material-icons {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  font-size: 28px;
}

.icon-item:hover .material-icons {
  color: var(--primary-color);
}

.icon-item p {
  font-size: var(--font-size-xs);
  margin: var(--spacing-xs) 0 0;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.icon-item:hover p {
  color: var(--primary-color);
}

.disabled {
  color: var(--text-tertiary);
  pointer-events: none;
  opacity: 0.5;
}

.device-enable {
  /* 设备可用时的样式 */
}

span,
p {
  cursor: pointer;
  user-select: none;
}

.changelog-button {
  padding: 0px 0px;
  margin: 0px;
  font-size: 14px;
  margin-left: auto;
  text-decoration: none;
}

.setting-label {
  display: flex;
  align-items: center;
}

/* fallback */
@font-face {
  font-family: 'Material Icons';
  font-style: normal;
  font-weight: 400;
  font-display: block;
  src: url(./materialicons.woff2) format('woff2');
}

/* fallback */
@font-face {
  font-family: 'Material Icons Outlined';
  font-style: normal;
  font-weight: 400;
  font-display: block;
  src: url(./materialiconsoutlined.woff2) format('woff2');
}

.material-icons {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
  visibility: hidden;
}

.material-icons-outlined {
  font-family: 'Material Icons Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
  visibility: hidden;
}

/* 字体加载完成后显示图标 */
.fonts-loaded .material-icons,
.fonts-loaded .material-icons-outlined {
  visibility: visible;
}


/* 胶囊开关容器 */
/* ==================== Label 布局样式 ==================== */
.label-with-toggle,
.label-with-action {
  display: flex;
  align-items: center;
}

.action-buttons {
  display: flex;
  align-items: center;
  margin-left: auto;
  gap: var(--spacing-xs);
}

.toggle-switch-container {
  display: flex;
  align-items: center;
  margin-left: auto;
  gap: var(--spacing-sm);
}

.toggle-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin: 0;
  font-weight: 500;
}

/* ==================== 音频播放区域 ==================== */
.audio-section {
  margin: var(--spacing-xl) 0;
}

.time-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-top: var(--spacing-sm);
}

/* ==================== 隐藏元素 ==================== */
.hidden-input,
.hidden-audio,
.hidden-element {
  display: none !important;
}

.version-link {
  position: relative;
}

/* 胶囊开关样式 */
.toggle-switch {
  position: relative;
  width: 48px;
  height: 26px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid var(--border-color);
}

.toggle-switch:hover {
  border-color: var(--border-hover);
}

.toggle-switch.active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.toggle-slider {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: var(--bg-primary);
  border-radius: 50%;
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.toggle-switch.active .toggle-slider {
  transform: translateX(22px);
}

/* 搜索结果样式 */
.search-results {
  max-height: 300px;
  overflow-y: auto;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  margin-bottom: var(--spacing-md);
}

.search-result-item {
  padding: var(--spacing-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border-bottom: 1px solid var(--border-color);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background: var(--primary-light);
}

.search-result-item.selected {
  background: var(--primary-color);
  color: var(--text-inverse);
}

.search-result-item.keyword-option {
  font-weight: 600;
  color: var(--primary-color);
}

.search-result-item.keyword-option.selected {
  color: var(--text-inverse);
}

.search-result-empty {
  padding: var(--spacing-xl);
  text-align: center;
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
}