/* 布局修正：两栏布局，优化比例分配和呼吸空间 */
.layout {
  flex: 1;
  display: grid;
  grid-template-columns:
    minmax(400px, 1.5fr)   /* player-panel - 播放器面板 */
    minmax(320px, 1fr);    /* playlist-panel - 播放列表面板 */
  grid-template-rows: minmax(0, 1fr); /* 行高确定为容器剩余空间，面板才能约束内部滚动（须与 index.html 内联规则保持一致） */
  gap: 14px; /* 面板间距 */
  min-height: 0;
  align-items: start; /* 顶部对齐，优化视觉层次 */
}

/* 超大屏幕优化 */
@media (min-width: 1920px) {
  .layout {
    grid-template-columns:
      minmax(550px, 1.6fr)
      minmax(400px, 1fr);
    gap: 18px;
  }
}

/* 大屏幕优化 */
@media (min-width: 1600px) {
  .layout {
    grid-template-columns:
      minmax(500px, 1.55fr)
      minmax(380px, 1fr);
    gap: 16px;
  }
}

.panel {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 14px; /* 增加内边距 */
  border-radius: 20px; /* 增加圆角 */
  background: var(--panel-glass-soft);
  border: 1px solid rgba(255, 255, 255, 0.14); /* 增强边框 */
  backdrop-filter: blur(20px); /* 增强模糊效果 */
  box-shadow:
    0 16px 40px rgba(0,0,0,0.9), /* 增强阴影 */
    0 0 20px rgba(136,196,255,0.15); /* 添加微光效果 */
  z-index: 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease; /* 添加悬停过渡 */
}

/* 确保搜索面板在网格/弹性布局下不会溢出 */
.search-panel {
  min-height: 0;
  display: flex;
  flex-direction: column;
  /* 确保面板填满父容器并作为 flex 容器约束子项 */
  height: 100%;
}

.playlist-panel {
  min-height: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.panel:hover {
  transform: translateY(-1px); /* 轻微上浮效果 */
  box-shadow:
    0 20px 50px rgba(0,0,0,0.95),
    0 0 25px rgba(136,196,255,0.2);
}

.panel::before {
  content: "";
  position: absolute;
  inset: -30%; /* 扩大光晕范围 */
  background: radial-gradient(circle at 0 0, rgba(255,255,255,0.1), transparent 65%);
  opacity: 0.6; /* 增强光晕 */
  pointer-events: none;
  z-index: -1;
  border-radius: inherit; /* 继承圆角 */
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}
.panel-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
}
.panel-title .chip {
  margin-left: 8px;
  font-size: 11px;
}
.panel-title .icon { font-size: 16px; }
.chip {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(0,0,0,0.25);
  color: var(--text-sub);
  border: 1px solid rgba(255,255,255,0.12);
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 8px 16px; /* 增加内边距 */
  background: radial-gradient(circle at 30% 0, rgba(255,255,255,0.25), var(--accent));
  color: #231b08;
  font-size: 13px; /* 稍微增大字体 */
  font-weight: 600; /* 增强字重 */
  cursor: pointer;
  box-shadow:
    0 8px 20px rgba(245,200,76,0.8), /* 增强阴影 */
    0 0 10px rgba(245,200,76,0.3); /* 添加光晕 */
  transition: all 0.15s ease; /* 优化过渡 */
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-1px); /* 悬停上浮 */
  box-shadow:
    0 12px 28px rgba(245,200,76,0.9),
    0 0 15px rgba(245,200,76,0.4);
}

.btn:active {
  transform: translateY(0) scale(0.98);
  box-shadow:
    0 4px 12px rgba(245,200,76,0.7),
    0 0 8px rgba(245,200,76,0.2);
}

.btn-secondary {
  background: radial-gradient(circle at 30% 0, rgba(255,255,255,0.08), rgba(80,100,180,0.95));
  color: var(--text-main);
  box-shadow:
    0 8px 18px rgba(0,0,0,0.85),
    0 0 8px rgba(80,100,180,0.3);
}

.btn-secondary:hover {
  background: radial-gradient(circle at 30% 0, rgba(255,255,255,0.12), rgba(80,100,180,1));
  box-shadow:
    0 12px 24px rgba(0,0,0,0.9),
    0 0 12px rgba(80,100,180,0.4);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25); /* 增强边框 */
  color: var(--text-sub);
  box-shadow: none;
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.4);
  color: var(--text-main);
}
.btn-icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-size: 13px;
  border-radius: 999px;
}

.input {
  flex: 1;
  padding: 10px 14px; /* 增加内边距 */
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.2); /* 增强边框 */
  background: rgba(5,7,20,0.85); /* 增强背景 */
  color: var(--text-main);
  font-size: 14px; /* 稍微增大字体 */
  outline: none;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
}

.input:focus {
  border-color: var(--accent);
  box-shadow:
    0 0 0 2px rgba(245,200,76,0.3), /* 增强聚焦效果 */
    0 0 10px rgba(245,200,76,0.2);
  background: rgba(5,7,20,0.9); /* 聚焦时背景更清晰 */
}

.input::placeholder {
  color: var(--text-sub);
  opacity: 0.7;
}

/* 平板布局优化 - 两栏布局 */
@media (max-width: 1200px) {
  .layout {
    grid-template-columns:
      minmax(380px, 1.4fr)
      minmax(280px, 1fr);
    gap: 12px;
  }

  .panel {
    padding: 14px;
  }

  .panel-header {
    margin-bottom: 10px;
  }
}

/* 平板布局 - 两栏并排 */
@media (max-width: 1080px) {
  .layout {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: minmax(320px, 1fr) minmax(280px, 0.9fr);
    gap: 14px;
  }

  .panel {
    padding: 14px;
    border-radius: 20px;
  }

  .panel-header {
    margin-bottom: 10px;
  }

  .panel-title {
    font-size: 15px;
  }

  /* 优化播放器在平板上的显示 */
  .player-top {
    min-height: 180px;
  }

  .cover-wrapper {
    width: 140px;
    height: 140px;
  }

  .player-main {
    gap: 8px;
  }

  .track-title {
    font-size: 16px;
  }

  .track-artist {
    font-size: 13px;
  }

  /* 优化播放列表 */
  .track-item {
    padding: 8px 10px;
  }

  .track-meta-title {
    font-size: 13px;
  }
}

/* 大屏手机布局 - 优化 */
@media (max-width: 900px) {
  .app {
    margin: 20px 20px;
    height: calc(100vh - 48px);
    padding: 12px 14px;
    gap: 12px;
    border-radius: 22px;
  }

  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(320px, auto) minmax(280px, 1fr);
    gap: 8px; /* 移动端面板间距优化 */
  }

  .panel {
    padding: 16px;
    border-radius: 22px;
  }

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

  .panel-title {
    font-size: 16px;
  }

  /* 优化头部在手机上的显示 */
  header {
    padding: 12px 20px;
    min-height: 72px;
  }

  .logo-area {
    gap: 12px;
  }

  .pikachu-box {
    width: 40px;
    height: 40px;
  }

  .title-text h1 {
    font-size: 14px;
  }

  .title-text p {
    font-size: 12px;
  }

  .header-controls {
    gap: 16px;
  }

  .lang-toggle {
    padding: 3px;
  }

  .lang-btn {
    padding: 4px 12px;
    font-size: 12px;
  }

  .shortcut-hint {
    max-width: 200px;
    font-size: 11px;
  }
}

/* 小屏手机布局 - 紧凑设计 */
@media (max-width: 600px) {
  .app {
    margin: 8px 8px;
    height: calc(100vh - 16px);
    padding: 8px 10px;
    gap: 8px;
    border-radius: 16px;
  }

  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(300px, auto) minmax(260px, 1fr);
    gap: 8px; /* 移动端面板间距优化 */
  }

  .panel {
    padding: 14px;
    border-radius: 18px;
  }

  .panel-header {
    margin-bottom: 8px;
  }

  .panel-title {
    font-size: 14px;
  }

  .chip {
    font-size: 9px;
    padding: 1px 6px;
  }

  /* 头部优化 */
  header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 12px;
    min-height: 80px;
  }

  .logo-area {
    gap: 10px;
  }

  .pikachu-box {
    width: 30px;
    height: 30px;
  }

  .title-text h1 {
    font-size: 12px;
  }

  .title-text p {
    font-size: 11px;
  }

  .header-controls {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }

  .lang-toggle {
    order: 1;
  }

  .shortcut-hint {
    order: 2;
    max-width: 150px;
    font-size: 10px;
    text-align: left;
  }

  .shortcut-toggle-btn {
    order: 3;
  }

  /* 播放器优化 */
  .player-top {
    min-height: 160px;
    gap: 12px;
  }

  .cover-wrapper {
    width: 120px;
    height: 120px;
    border-radius: 16px;
  }

  .player-main {
    gap: 6px;
  }

  .track-title-row {
    gap: 8px;
  }

  .track-text {
    max-width: 60%;
  }

  .track-title {
    font-size: 15px;
    max-height: 40px;
  }

  .track-artist {
    font-size: 12px;
  }

  .player-actions {
    gap: 8px;
  }

  .player-btn-row {
    gap: 6px;
  }

  .status-pill {
    font-size: 10px;
  }

  .player-controls {
    margin-top: 6px;
    gap: 8px;
  }

  .progress-row {
    gap: 8px;
  }

  .progress-time {
    width: 38px;
    font-size: 10px;
  }

  .progress-bar-wrapper {
    height: 5px;
  }

  .control-row {
    gap: 8px;
  }

  .control-main {
    gap: 8px;
  }

  .control-main .play-btn {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .control-secondary {
    gap: 6px;
  }

  .volume-slider {
    width: 80px;
  }

  /* 歌词区域优化 */
  .lyrics-container {
    margin-top: 8px;
    padding: 12px 16px 10px;
    border-radius: 14px;
  }

  .lyrics-inner {
    padding: 2px 2px 8px;
    max-width: none;
  }

  .lyrics-title-line {
    font-size: 13px;
    margin-bottom: 6px;
  }

  .lyrics-line {
    font-size: 15px;
    margin: 3px 0;
  }

  /* 搜索面板优化 */
  .search-panel-content {
    gap: 8px;
  }

  .search-row {
    padding: 3px 3px 3px 12px;
  }

  .search-prefix {
    font-size: 13px;
    margin-right: 6px;
  }

  .search-row .input {
    padding: 8px 12px;
    font-size: 14px;
  }

  .search-row .btn {
    padding: 8px 16px;
    font-size: 13px;
  }

  .source-row {
    gap: 8px;
  }

  .source-chip {
    padding: 6px 10px;
    font-size: 12px;
  }

  .source-dot {
    width: 7px;
    height: 7px;
  }

  .limit-row {
    gap: 8px;
    font-size: 12px;
  }

  .limit-row select {
    padding: 4px 10px;
    font-size: 12px;
  }

  .search-stats {
    font-size: 12px;
  }

  .search-results-mini {
    margin-top: 6px;
  }

  .search-mini-item {
    padding: 8px 10px;
    margin-bottom: 6px;
    border-radius: 12px;
  }

  .mini-meta-main {
    gap: 4px;
  }

  .mini-title {
    font-size: 12px;
  }

  .mini-artist {
    font-size: 11px;
  }

  .mini-right {
    gap: 3px;
  }

  .mini-badge {
    font-size: 11px;
    padding: 2px 8px;
  }

  .mini-source {
    font-size: 10px;
  }

  /* 播放列表优化 */
  .playlist-main {
    padding-right: 6px;
  }

  .playlist-bar {
    gap: 8px;
    padding-bottom: 6px;
    margin-bottom: 6px;
  }

  .playlist-info {
    font-size: 12px;
  }

  .playlist-right-controls {
    gap: 8px;
  }

  .playmode-row {
    gap: 6px;
  }

  .playmode-btn {
    width: 26px;
    height: 26px;
    font-size: 13px;
  }

  .track-item {
    padding: 8px 10px;
    margin-bottom: 6px;
    border-radius: 12px;
    gap: 8px;
  }

  .track-index {
    width: 24px;
    font-size: 12px;
  }

  .track-meta-title {
    font-size: 13px;
  }

  .track-meta-sub {
    gap: 6px;
    font-size: 11px;
    margin-top: 3px;
  }

  .track-actions {
    gap: 6px;
  }

  .track-actions .btn-icon {
    width: 26px;
    height: 26px;
    font-size: 13px;
  }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {
  .app {
    margin: 4px 4px;
    height: calc(100vh - 8px);
    padding: 6px 8px;
    gap: 6px;
    border-radius: 12px;
  }

  .layout {
    grid-template-rows: minmax(280px, auto) minmax(240px, 1fr);
    gap: 6px; /* 移动端面板间距优化 */
  }

  .panel {
    padding: 12px;
    border-radius: 16px;
  }

  header {
    padding: 8px 10px;
    min-height: 70px;
  }

  .pikachu-box {
    width: 25px;
    height: 25px;
  }

  .title-text h1 {
    font-size: 11px;
  }

  .title-text p {
    font-size: 10px;
  }

  .header-controls {
    gap: 8px;
  }

  .shortcut-hint {
    max-width: 120px;
    font-size: 9px;
  }

  .shortcut-toggle-btn {
    width: 24px;
    height: 24px;
    font-size: 12px;
  }

  .cover-wrapper {
    width: 100px;
    height: 100px;
  }

  .track-title {
    font-size: 14px;
  }

  .track-artist {
    font-size: 11px;
  }

  .search-row .input {
    font-size: 13px;
  }

  .search-row .btn {
    padding: 6px 12px;
    font-size: 12px;
  }
}