/* 基础样式 */
:root {
  --primary-color: #4285F4;
  --primary-hover: #2b6cd4;
  --text-color: #333;
  --background-color: #f9f9f9;
  --card-bg: #fff;
  --border-color: #e0e0e0;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --radius-md: 12px;
  --radius-lg: 24px;
  --transition-normal: 0.3s ease;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* 深色主题变量 */
:root.dark-theme {
  --primary-color: #64B5F6;
  --primary-hover: #90CAF9;
  --text-color: #E0E0E0;
  --background-color: #121212;
  --card-bg: #1E1E1E;
  --border-color: #333;
  --shadow-color: rgba(0, 0, 0, 0.3);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
  padding: 0;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* 头部和logo */
header {
  text-align: center;
  padding: 16vh 0px 0px 0px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 30px;
}

.logo img {
  max-width: 120px;
  margin-bottom: 10px;
}

.logo h1 {
  font-size: 28px;
  font-weight: 600;
  margin: 10px 0;
  color: var(--text-color);
  font-family: 'Pacifico', cursive;
}

/* 主题切换按钮 */
.theme-toggle {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--card-bg);
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  cursor: pointer;
  box-shadow: 0 2px 10px var(--shadow-color);
  transition: all 0.3s ease;
  z-index: 1000;
  user-select: none;
}

.theme-toggle:hover {
  transform: scale(1.05);
  background-color: var(--primary-color);
  color: white;
}

.theme-toggle .material-symbols-rounded {
  font-size: 20px;
  pointer-events: none;
}

/* 搜索框 */
.search-container {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.search-box {
  display: flex;
  position: relative;
  width: 100%;
  height: 56px;
  box-shadow: 0 4px 20px var(--shadow-color);
  border-radius: var(--radius-lg);
  background-color: var(--card-bg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal);
}

.search-box:focus-within {
  box-shadow: 0 6px 24px var(--shadow-color);
  transform: translateY(-2px);
}

.search-box input {
  flex: 1;
  height: 100%;
  padding: 0 20px;
  border: none;
  font-size: 18px;
  color: var(--text-color);
  background: transparent;
  outline: none;
  letter-spacing: 0.5px;
}

.search-box button {
  width: 100px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-color);
  color: white;
  border: none;
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-normal);
  letter-spacing: 1px;
}

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

/* 搜索按钮内的加载动画 */
.spinner {
  width: 24px;
  height: 24px;
  animation: spinner 1s linear infinite;
}

.spinner .path {
  stroke: white;
  stroke-linecap: round;
  animation: dash 1.5s ease-in-out infinite;
}

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

@keyframes dash {
  0% {
    stroke-dasharray: 1, 150;
    stroke-dashoffset: 0;
  }
  50% {
    stroke-dasharray: 90, 150;
    stroke-dashoffset: -35;
  }
  100% {
    stroke-dasharray: 90, 150;
    stroke-dashoffset: -124;
  }
}

/* 主内容区域 */
main {
  flex: 1;
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  overflow-y: visible;
  margin-bottom: 30px;
}

/* 搜索结果容器 */
.results-container {
  width: 100%;
  max-width: 90%;
  background-color: var(--card-bg);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 10px var(--shadow-color);
  overflow: hidden;
  margin-top: 20px;
  margin-bottom: 20px;
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.results-header {
  display: grid;
  grid-template-columns: 2fr 1fr 80px;
  padding: 16px 20px;
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(66, 133, 244, 0.05);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

:root.dark-theme .results-header {
  background-color: rgba(100, 181, 246, 0.1);
}

.results-list {
  overflow-y: visible;
  width: 100%;
}

/* 单个搜索结果项 */
.result-item {
  display: grid;
  grid-template-columns: 2fr 1fr 80px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

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

.result-item:hover {
  background-color: rgba(66, 133, 244, 0.05);
}

:root.dark-theme .result-item:hover {
  background-color: rgba(100, 181, 246, 0.1);
}

.result-title {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 10px;
  color: var(--text-color);
}

.result-artist {
  color: #666;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition-normal);
}

:root.dark-theme .result-artist {
  color: #aaa;
}

.result-action {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.play-button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #eee;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-normal), transform var(--transition-normal);
}

.play-button:hover {
  background-color: var(--primary-color);
  transform: scale(1.1);
}

:root.dark-theme .play-button {
  background-color: #333;
}

.play-button .material-symbols-rounded {
  font-size: 20px;
  color: var(--text-color);
  transition: color var(--transition-normal);
}

.play-button:hover .material-symbols-rounded {
  color: white;
}

/* 无搜索结果样式 */
.no-results, .placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  width: 100%;
  text-align: center;
  color: var(--text-color);
  transition: color var(--transition-normal);
}

.placeholder .material-symbols-rounded {
  font-size: 64px;
  margin-bottom: 16px;
  color: var(--border-color);
  transition: color var(--transition-normal);
}

.no-results p, .placeholder p {
  max-width: 400px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-color);
  opacity: 0.7;
}

/* 搜索结果计数 */
.result-count {
  text-align: center;
  padding: 12px;
  color: #777;
  font-size: 14px;
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
}

/* 页脚 */
.footer {
  margin-top: auto;
  text-align: center;
  padding: 20px 0;
  border-top: 1px solid var(--border-color);
  color: var(--text-color);
  opacity: 0.7;
  transition: border-color var(--transition-normal), color var(--transition-normal);
}

.footer p {
  margin: 0;
  font-size: 14px;
}

/* 播放器容器 */
.player-container {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100%;
  background-color: rgba(18, 18, 18, 1);
  z-index: 1000;
  transition: right 0.3s ease;
  overflow: hidden;
}

:root.light-theme .player-container {
  background-color: rgba(249, 249, 249, 1);
}

.player-container.active {
  right: 0;
}

.player-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.close-player {
  position: absolute;
  top: 20px;
  left: 20px;
  width: 40px;
  height: 40px;
  background-color: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1010;
  transition: background-color var(--transition-normal);
}

.close-player:hover {
  background-color: rgba(0, 0, 0, 0.7);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .container {
    padding: 18px;
  }
  
  .logo h1 {
    font-size: 24px;
  }
  
  .search-box {
    height: 50px;
  }
  
  .search-box input {
    font-size: 16px;
    padding: 0 15px;
  }
  
  .search-box button {
    font-size: 16px;
    width: 80px;
  }
  
  .results-container {
    max-width: 100%;
  }
  
  .results-header, .result-item {
    grid-template-columns: 3fr 2fr 50px;
    padding: 12px 15px;
  }
  
  /* 收藏列表特定样式 - 给操作栏更多空间 */
  #favorites-container .results-header,
  #favorites-container .result-item {
    grid-template-columns: 2fr 1.5fr 100px;
  }
  
  /* 确保删除和播放按钮有足够的空间 */
  #favorites-container .result-action {
    justify-content: flex-end;
    gap: 8px;
  }
  
  .play-button {
    width: 32px;
    height: 32px;
  }
  
  .footer {
    padding: 15px 0;
    font-size: 12px;
  }
  
  .result-count {
    font-size: 12px;
    padding: 10px;
  }
}

/* 响应式设计 - 更窄的屏幕 */
@media (max-width: 480px) {
  /* 收藏列表在更窄屏幕下的特殊处理 */
  #favorites-container .results-header,
  #favorites-container .result-item {
    grid-template-columns: 1.5fr 1fr 90px;
    padding: 10px 12px;
  }
  
  /* 操作按钮在特小屏幕上的样式 */
  #favorites-container .result-action {
    gap: 6px;
  }
  
  #favorites-container .play-button,
  #favorites-container .remove-button {
    min-width: 30px;
    min-height: 30px;
  }
}

/* 主加载覆盖层样式 */
.main-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--background-color);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  opacity: 1;
  transition: opacity 0.5s ease-out, background-color 0.3s ease;
}

.main-loading-overlay img {
  width: 60px;
}

/* 收藏按钮样式 */
.remove-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: rgba(255, 62, 85, 0.1);
  border: none;
  margin-left: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.remove-button:hover {
  background-color: rgba(255, 62, 85, 0.3);
}

.dark-theme .remove-button {
  background-color: rgba(255, 62, 85, 0.2);
}

.dark-theme .remove-button:hover {
  background-color: rgba(255, 62, 85, 0.4);
}

.remove-button .material-symbols-rounded {
  color: #ff3e55;
  font-size: 16px;
}

/* 渐入渐出过渡效果 */
.results-container, .no-results, .placeholder {
  transition: opacity 0.5s ease, visibility 0.5s ease;
  opacity: 1;
  visibility: visible;
}

.fade-out {
  opacity: 0;
  visibility: hidden;
}

.fade-in {
  opacity: 1;
  visibility: visible;
}

/* 更新提示弹窗 */
.update-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 90%;
  max-width: 500px;
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  padding: 24px;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.update-modal.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.update-modal-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-color);
}

.update-modal-time {
  font-size: 14px;
  color: #666;
  margin-bottom: 16px;
}

.update-modal-content {
  margin-bottom: 24px;
}

.update-modal-content ul {
  padding-left: 20px;
  margin: 0;
}

.update-modal-content li {
  margin-bottom: 8px;
  line-height: 1.5;
  color: var(--text-color);
}

.update-modal-button {
  display: flex;
  justify-content: flex-end;
}

.update-modal-button button {
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 8px 16px;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

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

.update-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.update-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* 深色主题下的弹窗样式 */
:root.dark-theme .update-modal {
  background-color: #1E1E1E;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

:root.dark-theme .update-modal-time {
  color: #aaa;
}