/* ===============================================================
   全豆要音乐播放器 · 主题系统 + 响应式布局
   主题：light / dark / auto + 6 套强调色
   断点：车机大屏(>=1280px横屏) / PC(>=1024px) / 平板 / 手机
   =============================================================== */

:root {
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --header-h: 64px;
  --player-h: 80px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  /* ==== 默认主题：浅色 · 冰川蓝 ==== */
  --color-primary:        #3D8EC9;
  --color-primary-hover:  #2E7BB6;
  --color-primary-soft:   #E4F0FA;
  --color-primary-glow:   rgba(61,142,201,0.25);

  --color-bg:             #EEF1F7;
  --color-bg-deep:        #F0F3F8;
  --color-card:           #FFFFFF;
  --color-card-elev:      #FFFFFF;

  --color-text:           #111827;
  --color-text-sub:       #4B5563;
  --color-text-weak:      #8892A4;
  --color-text-inverse:   #FFFFFF;

  --color-border:         #D1D5DB;
  --color-border-soft:    #E5E7EB;
  --color-hover:          #E8ECF3;
  --color-active:         #D8DEE8;

  --color-progress-track: #E0E4EC;
  --color-progress-fill:  #3D8EC9;

  --color-success:        #16A34A;
  --color-danger:         #DC2626;
  --color-warn:           #D97706;

  --shadow-card:          0 1px 3px rgba(0,0,0,0.04), 0 2px 8px rgba(0,0,0,0.03);
  --shadow-card-hover:    0 4px 12px rgba(0,0,0,0.06), 0 8px 24px rgba(0,0,0,0.05);
  --shadow-float:         0 8px 32px rgba(61,142,201,0.18);
  --shadow-play:          0 4px 20px rgba(61,142,201,0.45);

  --blur-bg:              saturate(180%) blur(20px);
  --opacity-bg:           0.88;
}

/* ==== 主题：深色 · 午夜 ==== */
[data-theme="dark"] {
  --color-primary:        #60A5FA;
  --color-primary-hover:  #3B82F6;
  --color-primary-soft:   rgba(96,165,250,0.12);
  --color-primary-glow:   rgba(96,165,250,0.3);

  --color-bg:             #0F1117;
  --color-bg-deep:        #0A0C11;
  --color-card:           #181B23;
  --color-card-elev:      #1E2230;

  --color-text:           #E5E7EB;
  --color-text-sub:       #9CA3AF;
  --color-text-weak:      #6B7280;
  --color-text-inverse:   #0F1117;

  --color-border:         #262A36;
  --color-border-soft:    #1E2230;
  --color-hover:          #1E2230;
  --color-active:         #262A36;

  --color-progress-track: #262A36;
  --color-progress-fill:  #60A5FA;

  --shadow-card:          0 1px 3px rgba(0,0,0,0.3), 0 2px 8px rgba(0,0,0,0.2);
  --shadow-card-hover:    0 4px 12px rgba(0,0,0,0.4), 0 8px 24px rgba(0,0,0,0.3);
  --shadow-float:         0 8px 32px rgba(0,0,0,0.5);
  --shadow-play:          0 4px 20px rgba(96,165,250,0.35);

  --blur-bg:              saturate(180%) blur(20px);
  --opacity-bg:           0.78;
}

/* ==== 主题：赛博紫 ==== */
[data-theme="cyber"] {
  --color-primary:        #A855F7;
  --color-primary-hover:  #9333EA;
  --color-primary-soft:   rgba(168,85,247,0.12);
  --color-primary-glow:   rgba(168,85,247,0.3);

  --color-bg:             #0D0B14;
  --color-bg-deep:        #07060C;
  --color-card:           #16132A;
  --color-card-elev:      #1E1A38;

  --color-text:           #F3E8FF;
  --color-text-sub:       #A78BFA;
  --color-text-weak:      #6D5FB3;
  --color-text-inverse:   #0D0B14;

  --color-border:         #2A2550;
  --color-border-soft:    #1E1A38;
  --color-hover:          #1E1A38;
  --color-active:         #2A2550;

  --color-progress-track: #2A2550;
  --color-progress-fill:  #A855F7;

  --shadow-card:          0 1px 3px rgba(0,0,0,0.3), 0 2px 8px rgba(0,0,0,0.25);
  --shadow-card-hover:    0 4px 12px rgba(168,85,247,0.15), 0 8px 24px rgba(0,0,0,0.3);
  --shadow-float:         0 8px 32px rgba(168,85,247,0.2);
  --shadow-play:          0 4px 20px rgba(168,85,247,0.5);

  --blur-bg:              saturate(200%) blur(20px);
  --opacity-bg:           0.75;
}

/* ==== 主题：琥珀金 ==== */
[data-theme="amber"] {
  --color-primary:        #F59E0B;
  --color-primary-hover:  #D97706;
  --color-primary-soft:   #FEF3C7;
  --color-primary-glow:   rgba(245,158,11,0.25);

  --color-bg:             #FBF7F0;
  --color-bg-deep:        #F3EAD8;
  --color-card:           #FFFFFF;
  --color-card-elev:      #FFFFFF;

  --color-text:           #1C1917;
  --color-text-sub:       #78716C;
  --color-text-weak:      #A8A29E;
  --color-text-inverse:   #FFFFFF;

  --color-border:         #E7E0D3;
  --color-border-soft:    #F5EFE3;
  --color-hover:          #F8F2E6;
  --color-active:         #F0E4C8;

  --color-progress-track: #E7E0D3;
  --color-progress-fill:  #F59E0B;

  --shadow-card:          0 1px 3px rgba(120,90,40,0.06), 0 2px 8px rgba(120,90,40,0.04);
  --shadow-card-hover:    0 4px 12px rgba(120,90,40,0.08), 0 8px 24px rgba(120,90,40,0.06);
  --shadow-float:         0 8px 32px rgba(245,158,11,0.2);
  --shadow-play:          0 4px 20px rgba(245,158,11,0.4);
}

/* ==== 主题：森林绿 ==== */
[data-theme="forest"] {
  --color-primary:        #10B981;
  --color-primary-hover:  #059669;
  --color-primary-soft:   #D1FAE5;
  --color-primary-glow:   rgba(16,185,129,0.25);

  --color-bg:             #F0F7F4;
  --color-bg-deep:        #DBECE3;
  --color-card:           #FFFFFF;
  --color-card-elev:      #FFFFFF;

  --color-text:           #064E3B;
  --color-text-sub:       #047857;
  --color-text-weak:      #6B9A85;
  --color-text-inverse:   #FFFFFF;

  --color-border:         #D4E7DE;
  --color-border-soft:    #E8F3EE;
  --color-hover:          #E6F3EC;
  --color-active:         #CCE5D8;

  --color-progress-track: #D4E7DE;
  --color-progress-fill:  #10B981;

  --shadow-card:          0 1px 3px rgba(6,78,59,0.06), 0 2px 8px rgba(6,78,59,0.04);
  --shadow-play:          0 4px 20px rgba(16,185,129,0.4);
}

/* ==== 主题：玫瑰红 ==== */
[data-theme="rose"] {
  --color-primary:        #F43F5E;
  --color-primary-hover:  #E11D48;
  --color-primary-soft:   #FFE4E6;
  --color-primary-glow:   rgba(244,63,94,0.25);

  --color-bg:             #FFF5F6;
  --color-bg-deep:        #FFE4E6;
  --color-card:           #FFFFFF;
  --color-card-elev:      #FFFFFF;

  --color-text:           #1F1215;
  --color-text-sub:       #884050;
  --color-text-weak:      #C98A96;
  --color-text-inverse:   #FFFFFF;

  --color-border:         #FECDD3;
  --color-border-soft:    #FFE4E6;
  --color-hover:          #FFF1F2;
  --color-active:         #FECDD3;

  --color-progress-track: #FECDD3;
  --color-progress-fill:  #F43F5E;

  --shadow-card:          0 1px 3px rgba(244,63,94,0.06), 0 2px 8px rgba(244,63,94,0.04);
  --shadow-play:          0 4px 20px rgba(244,63,94,0.45);
}

/* ==== 主题：跟随系统深色 ==== */
@media (prefers-color-scheme: dark) {
  [data-theme="auto"] {
    --color-primary:        #60A5FA;
    --color-primary-hover:  #3B82F6;
    --color-primary-soft:   rgba(96,165,250,0.12);
    --color-primary-glow:   rgba(96,165,250,0.3);
    --color-bg:             #0F1117;
    --color-bg-deep:        #0A0C11;
    --color-card:           #181B23;
    --color-card-elev:      #1E2230;
    --color-text:           #E5E7EB;
    --color-text-sub:       #9CA3AF;
    --color-text-weak:      #6B7280;
    --color-text-inverse:   #0F1117;
    --color-border:         #262A36;
    --color-border-soft:    #1E2230;
    --color-hover:          #1E2230;
    --color-active:         #262A36;
    --color-progress-track: #262A36;
    --color-progress-fill:  #60A5FA;
    --shadow-card:          0 1px 3px rgba(0,0,0,0.3), 0 2px 8px rgba(0,0,0,0.2);
    --shadow-card-hover:    0 4px 12px rgba(0,0,0,0.4), 0 8px 24px rgba(0,0,0,0.3);
    --shadow-float:         0 8px 32px rgba(0,0,0,0.5);
    --shadow-play:          0 4px 20px rgba(96,165,250,0.35);
    --blur-bg:              saturate(180%) blur(20px);
    --opacity-bg:           0.78;
  }
}

/* ==== 全局基础 ==== */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior: contain;
  transition: background-color 0.35s var(--ease-out), color 0.35s var(--ease-out);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, var(--color-primary-glow), transparent 60%),
    radial-gradient(ellipse 60% 50% at 100% 100%, var(--color-primary-glow), transparent 60%);
  opacity: 0.15;
  z-index: 0;
  transition: opacity 0.35s;
}

a { color: var(--color-primary); }
button { font-family: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
input, select, textarea { font-family: inherit; font-size: 14px; color: inherit; }
h1, h2, h3, h4 { font-weight: 600; margin: 0; letter-spacing: -0.01em; }

.muted { color: var(--color-text-sub); }
.small { font-size: 12px; }
.hidden { display: none !important; }

/* ============ 顶部 Header ============ */
.app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255,255,255,var(--opacity-bg));
  backdrop-filter: var(--blur-bg);
  -webkit-backdrop-filter: var(--blur-bg);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-h);
  transition: background-color 0.35s, border-color 0.35s;
}
[data-theme="dark"] .app-header,
[data-theme="cyber"] .app-header {
  background: rgba(15,17,23,var(--opacity-bg));
}
[data-theme="auto"][data-sys-dark="true"] .app-header {
  background: rgba(15,17,23,var(--opacity-bg));
}

.header-inner {
  max-width: 1440px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}
.logo-icon {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--color-primary-soft);
  border-radius: var(--radius-md);
  font-size: 20px;
  transition: transform 0.3s var(--ease-out);
}
.logo:hover .logo-icon { transform: rotate(-10deg) scale(1.05); }
.logo-text { font-size: 15px; letter-spacing: 0.3px; }

.search-wrapper {
  flex: 0 0 auto;
  width: 340px;
  max-width: 340px;
  position: relative;
}
.search-form {
  display: flex; gap: 0;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.25s, background-color 0.35s;
}
.search-form:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-glow);
}
.search-form input {
  flex: 1;
  border: 0; outline: 0;
  background: transparent;
  padding: 0 18px;
  height: 46px;
  min-width: 0;
}
.search-form input::placeholder { color: var(--color-text-weak); }
.search-btn {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 0 24px;
  height: 46px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  border-radius: 999px;
  margin: 4px;
  transition: background-color 0.2s, transform 0.15s;
}
.search-btn:hover { background: var(--color-primary-hover); }
.search-btn:active { transform: scale(0.97); }

.search-suggest {
  position: absolute;
  top: calc(100% + 8px);
  left: 0; right: 0;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card-hover);
  max-height: 340px;
  overflow-y: auto;
  z-index: 50;
  -webkit-overflow-scrolling: touch;
}
.suggest-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  color: var(--color-text);
  font-size: 13px;
  transition: background-color 0.15s;
}
.suggest-item:hover { background: var(--color-hover); }
.suggest-item svg { color: var(--color-text-weak); flex-shrink: 0; }
.suggest-clear {
  padding: 12px 16px;
  font-size: 12px;
  color: var(--color-text-weak);
  border-top: 1px solid var(--color-border);
  text-align: center;
  cursor: pointer;
  transition: color 0.15s;
}
.suggest-clear:hover { color: var(--color-danger); }

.header-actions {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.field-wrap {
  display: flex; align-items: center; gap: 6px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 7px 12px;
  transition: border-color 0.2s;
}
.field-wrap:hover { border-color: var(--color-primary); }
.field-label {
  color: var(--color-text-sub);
  font-size: 12px;
  white-space: nowrap;
}
.field-wrap select {
  border: 0; outline: 0; background: transparent;
  padding: 0;
  color: var(--color-text);
  cursor: pointer;
  font-size: 13px;
}

.icon-btn {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-sub);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s, transform 0.1s;
}
.icon-btn:hover {
  background: var(--color-hover);
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.icon-btn:active { transform: scale(0.94); }
.mobile-only { display: none; }

/* 主题切换器 */
.theme-switcher {
  position: relative;
}
.theme-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 260px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card-hover);
  padding: 14px;
  z-index: 60;
  animation: popIn 0.2s var(--ease-out);
}
@keyframes popIn {
  from { opacity: 0; transform: translateY(-6px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.theme-panel h4 {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-weak);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 10px;
}
.theme-modes {
  display: flex; gap: 6px; margin-bottom: 14px;
}
.theme-mode-btn {
  flex: 1;
  padding: 8px 6px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--color-text-sub);
  background: var(--color-hover);
  border: 1px solid transparent;
  transition: all 0.2s;
}
.theme-mode-btn.active {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
}
.theme-colors {
  display: flex; gap: 10px; flex-wrap: wrap;
}
.theme-color-dot {
  width: 36px; height: 36px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s, border-color 0.2s;
  position: relative;
}
.theme-color-dot:hover { transform: scale(1.1); }
.theme-color-dot.active { border-color: var(--color-primary); }
.theme-color-dot.active::after {
  content: '✓';
  position: absolute;
  inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* ============ 主区域 ============ */
.app-main {
  position: relative;
  z-index: 1;
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 24px;
  padding-bottom: calc(var(--player-h) + 32px);
}

/* 车机大屏：横屏 >=1280px */
@media (min-width: 1280px) and (orientation: landscape) {
  :root { --header-h: 72px; --player-h: 88px; }
  .app-main {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 28px;
    padding: 28px;
    padding-bottom: calc(var(--player-h) + 36px);
  }
  .header-inner { max-width: 1600px; gap: 20px; }
  .logo-text { font-size: 17px; }
  .nav-tab { padding: 8px 18px; font-size: 15px; gap: 8px; }
  .search-wrapper { width: 420px; max-width: 420px; }
  .search-form input { height: 52px; font-size: 15px; }
  .search-btn { height: 44px; padding: 0 28px; font-size: 14px; }
  .icon-btn { width: 46px; height: 46px; }
  .header-action-btn { height: 40px; padding: 8px 18px; font-size: 14px; border-radius: 20px; }
  .song-item { padding: 14px 22px; }
  .song-item .si-title { font-size: 15px; }
  .cover-wrap { max-width: 300px; }
}

/* PC: >=1024px */
@media (min-width: 1024px) {
  :root { --header-h: 64px; }
}

/* 平板 */
@media (max-width: 1023px) {
  .app-main {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    gap: 20px;
    padding: 20px;
    padding-bottom: calc(var(--player-h) + 24px);
  }
}

/* ============ Panel 通用 ============ */
.panel {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  min-width: 0;
  transition: background-color 0.35s, border-color 0.35s, box-shadow 0.35s;
}
.panel-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: space-between;
}
.panel-header h2 { font-size: 15px; color: var(--color-text); font-weight: 600; }
.panel-header-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.panel-header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.header-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  height: 32px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-sub);
  background: var(--color-bg-deep);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
  white-space: nowrap;
}
.header-action-btn:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}
.header-action-btn:active { transform: scale(0.95); }

/* ============ 导航 Tab（header 内） ============ */
.nav-tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  flex-shrink: 0;
  scrollbar-width: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tab {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-sub);
  background: transparent;
  border: 1px solid transparent;
  transition: all 0.22s var(--ease-out);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-tab:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  transform: translateY(-1px);
}
.nav-tab.active {
  color: var(--color-text-inverse);
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 2px 12px var(--color-primary-glow);
}
.nav-tab:active { transform: scale(0.96); }

/* ============ 首页模块（最近播放 / 推荐 / Top） ============ */
.home-sections {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.home-section {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 20px;
  transition: background-color 0.35s, border-color 0.35s;
}
.home-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.home-section-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
}
.home-section-title::before {
  content: '';
  width: 4px;
  height: 18px;
  background: var(--color-primary);
  border-radius: 2px;
}
.home-section-sub {
  font-size: 12px;
  color: var(--color-text-weak);
}
.home-section-more {
  font-size: 12px;
  color: var(--color-primary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: background-color 0.2s;
}
.home-section-more:hover { background: var(--color-primary-soft); }

/* 横滑卡片区 */
.card-scroll {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.card-scroll::-webkit-scrollbar {
  height: 6px;
}
.card-scroll::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}
.card-scroll::-webkit-scrollbar-track {
  background: transparent;
}

/* 歌曲卡片 */
.song-card {
  flex: 0 0 auto;
  width: 160px;
  cursor: pointer;
  transition: transform 0.25s var(--ease-out);
}
@media (min-width: 1280px) and (orientation: landscape) {
  .song-card { width: 180px; }
}
.song-card:hover { transform: translateY(-4px); }
.song-card-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-deep);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s;
}
.song-card:hover .song-card-cover {
  box-shadow: var(--shadow-card-hover);
}
.song-card-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s var(--ease-out);
}
.song-card:hover .song-card-cover img {
  transform: scale(1.06);
}
.song-card-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.5) 100%);
  opacity: 0;
  transition: opacity 0.25s;
}
.song-card:hover .song-card-play { opacity: 1; }
.song-card-play-btn {
  width: 48px; height: 48px;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-play);
  transform: translateY(8px);
  transition: transform 0.25s var(--ease-out);
}
.song-card:hover .song-card-play-btn { transform: translateY(0); }

.song-card-info {
  margin-top: 10px;
  padding: 0 2px;
}
.song-card-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.song-card-singer {
  font-size: 12px;
  color: var(--color-text-sub);
  margin-top: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 歌单卡片（带渐变封面占位） */
.playlist-card {
  flex: 0 0 auto;
  width: 180px;
  cursor: pointer;
  transition: transform 0.25s var(--ease-out);
}
@media (min-width: 1280px) and (orientation: landscape) {
  .playlist-card { width: 200px; }
}
.playlist-card:hover { transform: translateY(-4px); }
.playlist-card-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 32px;
  transition: box-shadow 0.3s;
}
.playlist-card:hover .playlist-card-cover { box-shadow: var(--shadow-card-hover); }
.playlist-card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.35) 100%);
  pointer-events: none;
}
.playlist-card-info { margin-top: 10px; padding: 0 2px; }
.playlist-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}
.playlist-card-desc {
  font-size: 11px;
  color: var(--color-text-weak);
  margin-top: 3px;
}

.playlist-card.loading .playlist-card-cover {
  background: var(--color-bg-deep);
  animation: shimmer 1.5s infinite;
}
.playlist-card.loading .playlist-card-cover::after { display: none; }

@keyframes shimmer {
  0% { background-position: -200% 0; background-image: linear-gradient(90deg, var(--color-bg-deep), var(--color-border), var(--color-bg-deep)); background-size: 200% 100%; }
  100% { background-position: 200% 0; background-image: linear-gradient(90deg, var(--color-bg-deep), var(--color-border), var(--color-bg-deep)); background-size: 200% 100%; }
}

.card-empty {
  flex: 0 0 100%;
  padding: 28px 20px;
  text-align: center;
  color: var(--color-text-weak);
  font-size: 13px;
  background: var(--color-bg-deep);
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border);
}

/* ============ 搜索结果列表 ============ */
.result-panel .song-list {
  padding: 8px 0;
  max-height: calc(100vh - var(--header-h) - var(--player-h) - 180px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
@media (min-width: 1280px) and (orientation: landscape) {
  .result-panel .song-list {
    max-height: calc(100vh - var(--header-h) - var(--player-h) - 220px);
  }
}
.song-list {
  padding: 6px 0;
  max-height: calc(100vh - var(--header-h) - var(--player-h) - 200px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.song-item {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 12px 22px;
  cursor: pointer;
  transition: background-color 0.15s;
  border-top: 1px solid transparent;
  border-bottom: 1px solid transparent;
  user-select: none;
  position: relative;
}
.song-item:hover {
  background: var(--color-hover);
  border-top-color: var(--color-border-soft);
  border-bottom-color: var(--color-border-soft);
}
.song-item.active { background: var(--color-primary-soft); }
.song-item .si-index {
  text-align: center;
  color: var(--color-text-weak);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
}
.song-item.active .si-index { color: var(--color-primary); }
.song-item.playing {
  background: var(--color-primary-soft);
}
.song-item.playing .si-title { color: var(--color-primary); font-weight: 600; }
.song-item.playing .si-index { color: var(--color-primary); }
.song-item.playing .si-index::before {
  content: '♪';
  font-size: 14px;
  animation: pulseBeat 1s infinite;
}
@keyframes pulseBeat {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}
.song-item .si-main { min-width: 0; }
.song-item .si-title {
  font-size: 14px;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.song-item.active .si-title { color: var(--color-primary); }
.song-item .si-meta {
  font-size: 12px;
  color: var(--color-text-sub);
  margin-top: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.song-item .si-actions {
  display: flex; align-items: center; gap: 2px;
  color: var(--color-text-sub);
}
.song-item .si-actions button {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background-color 0.2s, color 0.2s, transform 0.2s;
  border: none;
  cursor: pointer;
  color: var(--color-text-sub);
  background: transparent;
}
.song-item .si-actions button svg path {
  fill: currentColor;
  transition: fill 0.2s;
}
.song-item .si-actions button:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  transform: scale(1.1);
}
.song-item .si-actions button.si-fav.active {
  color: var(--color-danger);
  background: rgba(220, 38, 38, 0.08);
}
.song-item .si-actions button.si-fav.active svg path {
  fill: var(--color-danger);
}
.song-item .si-actions button.si-play:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.song-item .si-actions button.si-del:hover {
  background: rgba(220, 38, 38, 0.12);
  color: var(--color-danger);
}
.song-item .si-actions button:active {
  transform: scale(0.92);
}

.empty-state {
  padding: 72px 20px;
  text-align: center;
  color: var(--color-text-weak);
}
.empty-state svg { opacity: 0.5; }
.empty-state p { margin: 12px 0 0; font-size: 13px; }

.load-more {
  text-align: center;
  padding: 14px;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border-top: 1px solid var(--color-border);
  transition: background-color 0.15s;
}
.load-more:hover { background: var(--color-primary-soft); }

/* ============ 正在播放 ============ */
.now-playing {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  align-self: start;
  max-height: calc(100vh - var(--header-h) - var(--player-h) - 48px);
  overflow-y: auto;
}
.now-playing-body {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 22px;
}
.cover-wrap {
  width: 100%;
  max-width: 240px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-deep);
  box-shadow: var(--shadow-float);
}
.cover-img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.song-info-block {
  text-align: center;
}
.np-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media (min-width: 1280px) and (orientation: landscape) {
  .np-title { font-size: 21px; }
}
.np-singer { margin-top: 6px; font-size: 14px; }
.np-album { margin-top: 3px; font-size: 12px; }
.np-actions {
  display: flex; gap: 12px; justify-content: center; margin-top: 12px;
}
.np-action-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--color-text-sub);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
}
.np-action-btn:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: scale(1.05);
}
.np-action-btn.active {
  color: var(--color-danger);
  border-color: var(--color-danger);
  background: rgba(239,68,68,0.08);
}
.np-action-btn.active svg path { fill: var(--color-danger) !important; }

.lyric-wrap {
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
  flex: 1;
  min-height: 180px;
}
.lyric-box {
  max-height: 320px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  text-align: center;
  padding: 8px 4px;
  scroll-behavior: smooth;
}
@media (min-width: 1280px) and (orientation: landscape) {
  .lyric-box { max-height: 420px; font-size: 15px; }
}
.lyric-box .lyric-line {
  padding: 5px 10px;
  color: var(--color-text-sub);
  font-size: 13px;
  line-height: 2;
  transition: color 0.25s, font-size 0.25s, font-weight 0.25s;
  white-space: pre-wrap;
}
.lyric-box .lyric-line.active {
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
}
.lyric-empty {
  padding: 48px 10px;
  font-size: 13px;
}

/* ============ 底部播放条 ============ */
.player-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--player-h);
  background: rgba(255,255,255,var(--opacity-bg));
  backdrop-filter: var(--blur-bg);
  -webkit-backdrop-filter: var(--blur-bg);
  border-top: 1px solid var(--color-border);
  z-index: 40;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 0 28px;
  gap: 24px;
  transition: background-color 0.35s, border-color 0.35s;
}
[data-theme="dark"] .player-bar,
[data-theme="cyber"] .player-bar {
  background: rgba(15,17,23,var(--opacity-bg));
}
[data-theme="auto"][data-sys-dark="true"] .player-bar {
  background: rgba(15,17,23,var(--opacity-bg));
}
.pb-left { display: flex; align-items: center; gap: 6px; }
.ctrl-btn {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: var(--color-text);
  transition: background-color 0.15s, color 0.15s, transform 0.1s;
}
@media (min-width: 1280px) and (orientation: landscape) {
  .ctrl-btn { width: 52px; height: 52px; }
}
.ctrl-btn:hover { background: var(--color-hover); color: var(--color-primary); }
.ctrl-btn:active { transform: scale(0.92); }
.play-btn {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  width: 52px; height: 52px;
  box-shadow: var(--shadow-play);
}
@media (min-width: 1280px) and (orientation: landscape) {
  .play-btn { width: 62px; height: 62px; }
}
.play-btn:hover { background: var(--color-primary-hover); color: var(--color-text-inverse); }

.pb-center {
  display: flex; align-items: center; gap: 14px;
  min-width: 0;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}
.time-label {
  color: var(--color-text-sub);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  min-width: 40px;
  text-align: center;
  flex-shrink: 0;
  font-weight: 500;
}
.progress-bar {
  flex: 1;
  height: 6px;
  background: var(--color-progress-track);
  border-radius: 3px;
  position: relative;
  cursor: pointer;
  min-width: 100px;
}
@media (min-width: 1280px) and (orientation: landscape) {
  .progress-bar { height: 8px; border-radius: 4px; }
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-hover));
  border-radius: inherit;
  transition: width 0.1s linear;
}
.progress-thumb {
  position: absolute;
  top: 50%; left: 0%;
  transform: translate(-50%, -50%);
  width: 14px; height: 14px;
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--color-primary-glow);
  opacity: 0;
  transition: opacity 0.15s, transform 0.15s;
}
@media (min-width: 1280px) and (orientation: landscape) {
  .progress-thumb { width: 16px; height: 16px; }
}
.progress-bar:hover .progress-thumb {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.1);
}

.pb-right {
  display: flex; align-items: center; gap: 14px;
  flex-shrink: 0;
}
.volume-wrap {
  display: flex; align-items: center; gap: 8px;
}
.volume-wrap input[type="range"] {
  width: 100px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-progress-track);
  border-radius: 2px;
  outline: none;
}
@media (min-width: 1280px) and (orientation: landscape) {
  .volume-wrap input[type="range"] { width: 140px; height: 6px; }
}
.volume-wrap input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 14px; height: 14px;
  background: var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
}
.volume-wrap input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 0;
  cursor: pointer;
}

/* ============ 手机 Sheet ============ */
.player-sheet {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  max-height: 88vh;
  background: var(--color-card);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  box-shadow: var(--shadow-float);
  z-index: 50;
  padding: 12px 24px calc(env(safe-area-inset-bottom, 0) + 24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  animation: sheetUp 0.3s var(--ease-out);
}
@keyframes sheetUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}
.sheet-handle {
  width: 40px; height: 5px;
  background: var(--color-border);
  border-radius: 3px;
  margin-top: 4px;
}
.sheet-cover-wrap {
  width: 70%;
  max-width: 240px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-deep);
  box-shadow: var(--shadow-float);
}
.sheet-cover { width: 100%; height: 100%; object-fit: cover; display: block; }
.sheet-info { text-align: center; width: 100%; }
.sheet-info .np-title { font-size: 17px; }
.sheet-info .np-singer { font-size: 14px; margin-top: 3px; }
.sheet-controls { display: flex; gap: 32px; align-items: center; }
.sheet-controls .play-btn { width: 68px; height: 68px; }
.sheet-progress {
  display: flex; align-items: center gap: 12px;
  width: 100%;
}
.sheet-lyric-box {
  max-height: 220px;
  width: 100%;
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
}
#sheet-close {
  position: absolute;
  top: 12px; right: 12px;
}

/* ============ 抽屉 ============ */
.drawer-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 45;
  animation: fadeIn 0.2s;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(440px, 92vw);
  background: var(--color-card);
  border-left: 1px solid var(--color-border);
  z-index: 46;
  display: flex; flex-direction: column;
  animation: slideIn 0.3s var(--ease-out);
}
@keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }
.drawer-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: space-between;
}
.drawer-tabs {
  padding: 0 22px;
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center;
  gap: 8px;
}
.tab-btn {
  padding: 14px 8px;
  color: var(--color-text-sub);
  border-bottom: 2px solid transparent;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s, border-color 0.2s;
}
.tab-btn.active { color: var(--color-primary); border-color: var(--color-primary); }
.tab-clear {
  margin-left: auto;
  color: var(--color-text-weak);
  font-size: 12px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background-color 0.15s;
}
.tab-clear:hover { color: var(--color-danger); background: rgba(239,68,68,0.08); }
.drawer .song-list {
  flex: 1;
  max-height: none;
  overflow-y: auto;
}
.drawer .song-item { padding: 12px 22px; }

/* ============ Toast ============ */
.toast {
  position: fixed;
  bottom: calc(var(--player-h) + 28px);
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  background: rgba(30,34,48,0.95);
  color: #fff;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  z-index: 60;
  box-shadow: var(--shadow-float);
  animation: toastIn 0.25s var(--ease-out);
  backdrop-filter: blur(10px);
}
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 12px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* ============ 滚动条（全局美化）============ */
* { scrollbar-width: thin; scrollbar-color: var(--color-border) transparent; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-border), var(--color-text-weak));
  border-radius: 8px;
  border: 2px solid transparent;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-hover));
  background-clip: content-box;
  border: 2px solid transparent;
}
::-webkit-scrollbar-corner { background: transparent; }

/* 横滑卡片区滚动条更细更隐蔽 */
.card-scroll::-webkit-scrollbar { height: 6px; }
.card-scroll::-webkit-scrollbar-thumb {
  background: var(--color-text-weak);
  background-clip: content-box;
  border: 2px solid transparent;
  opacity: 0.5;
}
.card-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
  background-clip: content-box;
  border: 2px solid transparent;
}

/* ===============================================================
   响应式断点
   =============================================================== */

/* 平板 */
@media (max-width: 1023px) {
  .now-playing { position: static; max-height: none; }
  .pb-right .desktop-only { display: none !important; }
}

/* 手机 */
@media (max-width: 599px) {
  :root { --player-h: 62px; --header-h: 56px; }

  .desktop-only { display: none !important; }
  .mobile-only { display: inline-flex; }

  .logo-text { display: none; }
  .header-inner { padding: 0 14px; gap: 10px; }
  .search-form input { height: 40px; font-size: 14px; }
  .search-btn { padding: 0 14px; height: 36px; font-size: 12px; margin: 2px; }
  .field-wrap { padding: 5px 8px; }
  .icon-btn { width: 38px; height: 38px; }

  .app-main {
    padding: 14px;
    padding-bottom: calc(var(--player-h) + 20px);
  }

  .home-section { padding: 16px; }
  .song-card { width: 140px; }
  .playlist-card { width: 150px; }

  .now-playing { display: none; }

  .panel-header { padding: 12px 16px; }
  .panel-header h2 { font-size: 14px; }
  .song-item { padding: 12px 16px; gap: 10px; grid-template-columns: 32px 1fr auto; }
  .song-item .si-title { font-size: 13px; }

  .player-bar { padding: 0 14px; gap: 10px; }
  .pb-left { gap: 4px; }
  .ctrl-btn { width: 38px; height: 38px; }
  .play-btn { width: 46px; height: 46px; }
  .volume-wrap { display: none; }
  .time-label { min-width: 32px; font-size: 11px; }
  .progress-bar { min-width: 60px; height: 5px; }

  .toast { bottom: calc(var(--player-h) + 18px); font-size: 12px; padding: 10px 18px; }
}

/* 超小屏 */
@media (max-width: 360px) {
  .logo-icon { width: 32px; height: 32px; font-size: 18px; }
  .search-btn { padding: 0 12px; }
  .player-bar .pb-left { gap: 2px; }
  .song-card { width: 120px; }
}

/* ============ Modal 通用 ============ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.22s var(--ease-out);
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.modal-content {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  position: relative;
  max-height: 88vh;
  overflow: hidden;
  animation: modalUp 0.28s var(--ease-out);
}
@keyframes modalUp {
  from { transform: translateY(24px) scale(0.96); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--color-bg-deep);
  color: var(--color-text-sub);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  z-index: 10;
  border: 1px solid var(--color-border);
}
.modal-close:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  transform: rotate(90deg);
}

/* ============ 封面预览 ============ */
.cover-modal-content {
  width: min(85vw, 620px);
  aspect-ratio: 1 / 1;
  background: transparent;
  border: none;
  box-shadow: none;
}
.cover-modal-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* ============ 歌单详情 ============ */
.playlist-modal-content {
  width: min(92vw, 720px);
  display: flex;
  flex-direction: column;
}
.playlist-modal-header {
  display: flex;
  gap: 24px;
  padding: 32px 32px 24px;
  background: linear-gradient(135deg, var(--color-primary-soft), transparent 70%);
  border-bottom: 1px solid var(--color-border);
}
.playlist-modal-cover {
  width: 160px;
  height: 160px;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 56px;
  box-shadow: var(--shadow-float);
}
.playlist-modal-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}
.playlist-modal-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}
.playlist-modal-desc {
  font-size: 13px;
  color: var(--color-text-sub);
  margin-bottom: 18px;
}
.playlist-modal-actions {
  display: flex;
  gap: 12px;
}
.playlist-modal-actions .ctrl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 20px;
  height: 40px;
  width: auto;
  min-width: 110px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
}
.playlist-modal-actions .play-btn {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.playlist-modal-actions .play-btn:hover {
  background: var(--color-primary-hover);
  transform: scale(1.03);
}
.playlist-modal-actions .ctrl-btn:not(.play-btn) {
  background: var(--color-hover);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.playlist-modal-actions .ctrl-btn:not(.play-btn):hover {
  background: var(--color-active);
}
.playlist-modal-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
  max-height: calc(88vh - 240px);
}
.playlist-modal-list .song-item {
  padding: 10px 28px;
}
.playlist-modal-list .song-item:hover {
  background: var(--color-hover);
}

/* ============ 快捷键帮助 ============ */
.help-modal-content {
  width: min(90vw, 480px);
  padding: 32px 32px 24px;
}
.help-modal-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 24px;
  text-align: center;
}
.help-shortcuts {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.shortcut-row {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: var(--color-text);
}
.shortcut-row span {
  flex: 1;
  color: var(--color-text-sub);
}
kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 30px;
  padding: 0 10px;
  background: var(--color-bg-deep);
  border: 1px solid var(--color-border);
  border-bottom-width: 2px;
  border-radius: 6px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 12px;
  color: var(--color-text);
  font-weight: 500;
}
.help-modal-footer {
  margin-top: 20px;
  text-align: center;
  font-size: 12px;
  color: var(--color-text-weak);
}

/* ============ 车机大屏 Modal 适配 ============ */
@media (min-width: 1280px) and (orientation: landscape) {
  .playlist-modal-cover { width: 200px; height: 200px; font-size: 72px; }
  .playlist-modal-title { font-size: 28px; }
  .help-modal-content { width: 560px; padding: 40px; }
  .shortcut-row { font-size: 16px; gap: 20px; }
  kbd { min-width: 44px; height: 36px; font-size: 14px; }
}

/* ============ 区块自定义折叠 ============ */
.home-section.collapsed .card-scroll {
  max-height: 0;
  padding-bottom: 0;
  overflow: hidden;
  transition: max-height 0.3s var(--ease-out);
}
.section-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: 6px;
  color: var(--color-text-weak);
  transition: all 0.2s;
  cursor: pointer;
  border: 1px solid transparent;
}
.section-toggle:hover {
  color: var(--color-text);
  background: var(--color-hover);
}
.home-section.collapsed .section-toggle svg {
  transform: rotate(-90deg);
}
.section-toggle svg {
  transition: transform 0.25s var(--ease-out);
}