/* 歌词区域 */
.lyrics-container {
  flex: 0 1 auto;
  min-height: 0;
  margin-top: 4px;
  padding: 0;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 50% 0, rgba(255,220,150,0.26), transparent 60%),
    radial-gradient(circle at 10% 100%, rgba(107,150,255,0.26), transparent 60%),
    rgba(4,6,20,0.72);
  border:1px solid rgba(255,255,255,0.16);
  overflow:hidden;
  position:relative;
  box-shadow:0 12px 32px rgba(0,0,0,0.9);
  transition: max-height 0.3s ease;
}

/* 歌词头部 - 折叠/展开按钮 */
.lyrics-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

.lyrics-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
}

.lyrics-toggle-btn {
  border: none;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 4px 8px;
  color: var(--text-sub);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: none; /* 默认隐藏，移动端显示 */
}

.lyrics-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-main);
}

.lyrics-toggle-btn .toggle-icon {
  display: inline-block;
  transition: transform 0.3s ease;
}

/* 歌词容器内容区：flex:1 + min-height:0 使 inner 成为真正的滚动容器
   （max-height:100% 相对 auto 高度父容器解析为无约束，会被容器裁剪死锁） */
.lyrics-container .lyrics-inner {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 10px 18px 8px;
  /* inner 是 540px 居中列，其滚动条会渲染在面板中部而非面板边缘；
     歌词逐句自动跟随使位置指示无意义——隐藏指示条、保留滚轮/触摸滚动。
     注意：设置 scrollbar-width 后 Chrome 121+ 会禁用 ::-webkit-scrollbar 样式 */
  scrollbar-width: none;
  -ms-overflow-style: none;
}
/* 无 scrollbar-width 支持的旧引擎回落：webkit 伪元素隐藏 */
.lyrics-inner::-webkit-scrollbar {
  display: none;
}

/* 歌词展开状态 */
.lyrics-container.expanded .toggle-icon {
  transform: rotate(180deg);
}

/* 移动端 - 歌词默认折叠 */
@media (max-width: 768px) {
  .lyrics-container {
    max-height: 60px; /* 默认折叠高度 */
    flex: 0 0 60px;
  }

  .lyrics-container.expanded {
    max-height: 250px; /* 展开高度 */
    flex: 0 0 250px;
  }

  .lyrics-toggle-btn {
    display: inline-block; /* 移动端显示折叠按钮 */
  }

  .lyrics-container .lyrics-inner {
    opacity: 0.5; /* 折叠时半透明提示可展开 */
    transition: opacity 0.3s ease;
  }

  .lyrics-container.expanded .lyrics-inner {
    opacity: 1;
  }
}

/* 小屏手机 - 更紧凑的折叠高度 */
@media (max-width: 576px) {
  .lyrics-container {
    max-height: 50px;
    flex: 0 0 50px;
  }

  .lyrics-container.expanded {
    max-height: 280px; /* 增大展开高度，显示更多歌词 */
    flex: 0 0 280px;
  }
}

/* 超小屏 - 折叠时只显示一行 */
@media (max-width: 480px) {
  .lyrics-container {
    max-height: 45px;
    flex: 0 0 45px;
  }

  .lyrics-container.expanded {
    max-height: 240px; /* 增大展开高度，显示更多歌词 */
    flex: 0 0 240px;
  }
}
.lyrics-container::before,
.lyrics-container::after {
  content:"";
  position:absolute;
  pointer-events:none;
  mix-blend-mode:screen;
}
.lyrics-container::before {
  inset:-25%;
  background:conic-gradient(
    from 0deg,
    rgba(255,214,102,0.08),
    rgba(255,214,102,0.38),
    rgba(104,184,255,0.38),
    rgba(186,132,255,0.40),
    rgba(255,214,102,0.08)
  );
  opacity:0.46;
  filter:blur(14px);
  animation: lyricsGlow 16s linear infinite;
}
@keyframes lyricsGlow { to { transform:rotate(360deg);} }
.lyrics-container::after {
  top:-40%;
  left:-20%;
  width:70%;
  height:150%;
  background:linear-gradient(
    120deg,
    rgba(255,248,170,0.0),
    rgba(255,248,170,0.36),
    rgba(161,233,255,0.0)
  );
  transform:translateX(-130%);
  animation: lyricsSweep 7s linear infinite;
  opacity:0.95;
}
@keyframes lyricsSweep {
  0% { transform:translateX(-130%); }
  50%{ transform:translateX(40%); }
  100%{ transform:translateX(130%); }
}
.lyrics-container.alt-style::before {
  background:conic-gradient(
    from 0deg,
    rgba(104,184,255,0.14),
    rgba(186,132,255,0.40),
    rgba(255,214,102,0.32),
    rgba(104,184,255,0.46),
    rgba(186,132,255,0.40)
  );
}
.lyrics-inner {
  position:relative;
  z-index:1;
  padding:2px 4px 10px;
  text-align:center;
  max-width:540px;
  margin:0 auto;
}
.lyrics-title-line {
  font-family: "Baloo 2","Nunito",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:14px;
  color:var(--text-sub);
  margin-bottom:8px;
  letter-spacing:0.05em;
}
.lyrics-line {
  font-family: "Baloo 2","Nunito",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:17px;
  color:rgba(196,199,235,0.78);
  margin:4px 0;
  opacity:0.52;
  transition:transform .25s ease, color .25s ease, text-shadow .25s ease, opacity .25s ease;
  white-space:normal;
  letter-spacing:0.04em;
}
.lyrics-line.active {
  opacity:1;
  transform:scale(1.14);
  background:linear-gradient(120deg,#ffe6a7,#ff9bd4,#8fd5ff);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  text-shadow:
    0 0 10px rgba(255,255,255,0.7),
    0 0 22px rgba(245,200,76,0.9),
    0 0 30px rgba(106,207,255,1);
}
.lyrics-empty {
  font-family: "Baloo 2","Nunito",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:15px;
  color:var(--text-sub);
  margin-top:18px;
  letter-spacing:0.03em;
}