/* ====================== 基础重置 & 背景 ====================== */
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  font-family: "Noto Sans JP", "Noto Sans SC", "Noto Sans TC", "Noto Sans KR", "Montserrat", sans-serif;
}

#bg-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 110%;
  height: 110%;
  background: url('../Background/Cloud.jpg') center center / cover no-repeat;
  filter: blur(10px) contrast(1.05);
  z-index: -1;
  pointer-events: none;
  transform: translate(-5%, -5%);
  animation: bgFloat 30s ease-in-out infinite alternate;
}

/* ===== 回退按钮 ===== */
.back-btn {
  position: fixed;
  top: 25px;
  left: 35px;
  font-size: 1.2rem;
  font-weight: 900;
  text-decoration: none;
  color: #fff;
  z-index: 10000;
  text-shadow: 2px 3px 2px rgba(0,0,0,0.45);
  transition: all 0.5s ease, transform 0.3s ease;
}
body.white-bg .back-btn { color: black; }
body.dark-mode .back-btn { color: white; }

/* ====================== 页面标题 ====================== */
header {
  text-align: center;
  margin: 40px 0 20px 0;
}

/* 标题 h1 */
header h1 {
  font-family: "Montserrat", "Zen Kaku Gothic New", sans-serif;
  font-size: 3.8rem;  /* 更大更舞台感 */
  font-weight: 900;
  letter-spacing: 0.05em; /* 拉开字距 */
  margin-bottom: 12px;
  Color:white;
  text-shadow:2px 3px 2px rgba(0,0,0,0.55);
  transition: transform 0.3s ease, letter-spacing 0.3s ease;
}

/* hover 呼吸感 */
header h1:hover {
  transform: scale(1.12) translateY(-6px);
  letter-spacing: 0.12em;
}

/* 作者 / 说明类 h3 样式 */
header h3 {
  font-family: "Montserrat", "Noto Sans JP", "Noto Sans SC", sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: rgba(0, 0, 0, 0.85);
  text-shadow: 1px 1px 2px rgba(0,0,0,0.45);
  margin-top: 6px;

  /* 漂浮动画 */
  animation: headerFloatAlt 8s ease-in-out infinite alternate;
  transition: transform 0.3s ease, letter-spacing 0.3s ease;
}

header h3:hover {
  transform: scale(1.05) translateY(-3px);
  letter-spacing: 0.04em;
}


/* header 内所有副标题类文字 */
header p {
  font-family: "Montserrat", "Noto Sans JP", "Noto Sans SC", sans-serif;
  font-size: 1.1rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  text-shadow: 2px 3px 2px rgba(0,0,0,0.45);
  margin-top: 8px;
  
  /* 所有 p 默认浮动动画 */
  animation: headerFloatAlt 7s ease-in-out infinite alternate;
  transition: transform 0.3s ease, letter-spacing 0.3s ease;
  display: inline-block; /* 确保动画生效 */
}

/* 悬停所有副标题 */
header p:hover {
  transform: scale(1.06) translateY(-3px);
  letter-spacing: 0.05em;
}

/* 标题浮动动画 */
@keyframes headerFloat {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-4px); }
  100% { transform: translateY(0); }
}

@keyframes headerFloatAlt {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-3px); }
  100% { transform: translateY(0); }
}

/* ====================== 漂浮动画 ====================== */
@keyframes headerFloat {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-8px); }
  100% { transform: translateY(0); }
}

@keyframes headerFloatAlt {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-5px); }
  100% { transform: translateY(0); }
}


/* ====================== 专辑列表容器 ====================== */
.discography-container {
  display: flex;
  flex-wrap: wrap;
  gap: 32px; /* 增加间距，从24px改为32px */
  justify-content: flex-start;
  margin-top: 20px;
  padding: 0 20px;
}

/* ====================== 封面动画 ====================== */
.disc-item {
  position: relative;
  width: 220px;
  height: 220px;
  overflow: hidden;
  text-decoration: none;
  color: #fff;
  box-shadow: 0 10px 25px rgba(0,0,0,0.35), 0 0 10px rgba(255,255,255,0.1);
  /* border: 1px solid rgba(255,255,255,0.08); 去掉白边 */
  border-radius: 8px;
  cursor: pointer;
  animation: floatElement 6s ease-in-out infinite;
}

/* 封面图片略微放大 + 居中 */
.disc-item img {
  width: 110%;
  height: 110%;
  object-fit: cover;
  transform: translate(-5%, -5%);
  transition: transform 0.4s ease;
}

/* 悬停效果：再进一步放大 + 浮动 + 阴影加强 */
.disc-item:hover {
  transform: scale(1.12) translateY(-8px) rotate(1deg);
  box-shadow: 0 20px 45px rgba(0,0,0,0.55), 0 0 20px rgba(255,255,255,0.15);
}

/* ====================== 封面漂浮动画 ====================== */
@keyframes floatElement {
  0%   { transform: scale(1.03) translateY(0) rotate(0deg); }
  50%  { transform: scale(1.07) translateY(-4px) rotate(1deg); }
  100% { transform: scale(1.03) translateY(0) rotate(0deg); }
}

/* ====================== 悬停文字遮罩 ====================== */
.disc-hover {
  position: absolute;
  bottom: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.5), rgba(0,0,0,0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: bold;
  font-size: 1.5rem;
  color: #fff;
  text-shadow: 0 2px 2px rgba(38, 37, 37, 0.7);
  transition: bottom 0.4s ease;
}

.disc-item:hover .disc-hover {
  bottom: 0;
  animation: textFloat 2s ease-in-out infinite alternate;
}

/* ====================== 响应式调整 ====================== */
@media(max-width: 600px){
  .disc-item {
    width: 45%;
    height: auto;
  }
}

@media(max-width: 400px){
  .disc-item {
    width: 100%;
    height: auto;
  }
}

/* ====================== 动画 ====================== */
/* 封面漂浮 */
@keyframes floatElement {
  0%   { transform: scale(1.03) translateY(0) rotate(0deg); }
  50%  { transform: scale(1.07) translateY(-4px) rotate(1deg); }
  100% { transform: scale(1.03) translateY(0) rotate(0deg); }
}

/* 背景漂浮慢动画 */
@keyframes bgFloat {
  0%   { transform: translate(-5%, -5%) scale(1.1); }
  50%  { transform: translate(-6%, -6%) scale(1.11); }
  100% { transform: translate(-5%, -5%) scale(1.1); }
}

/* 文字漂浮 */
@keyframes textFloat {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-4px); }
  100% { transform: translateY(0); }
}

/* ====================== 鼠标圆点 ====================== */
#cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(178,120,203,0.8), rgba(255,182,193,0.6));
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: width 0.15s ease, height 0.15s ease, background 0.25s ease, transform 0.25s ease;
  z-index: 2147483647;
}

#cursor-dot.active {
  border-radius: 0%;
  transform: translate(-50%, -50%) rotate(45deg) scale(1.5);
}

/* ====================== 排序与搜索控制栏 ====================== */
#disc-control {
  position: fixed;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.05);  /* 轻透明玻璃感 */
  backdrop-filter: blur(12px) saturate(1.2);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1000;
  box-shadow: 0 6px 25px rgba(0,0,0,0.35);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic Pro", sans-serif;
  animation: floatControl 6s ease-in-out infinite;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* 控件微漂浮动画 */
@keyframes floatControl {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-3px); }
  100% { transform: translateY(0); }
}

/* 鼠标悬停控件整体放大 */
#disc-control:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 10px 35px rgba(0,0,0,0.45);
}

/* select 下拉框 */
#disc-control select {
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

/* 鼠标悬停 select */
#disc-control select:hover {
  background: rgba(255,255,255,0.2);
  transform: scale(1.08);
  box-shadow: 0 2px 10px rgba(0,0,0,0.35);
}

/* select 内部选项文字可见 */
#disc-control select option {
  color: #000;          /* 黑色文字 */
  background: #fff;     /* 白色背景 */
  padding: 4px 8px;
}

#disc-control select option:hover {
  background: #f0f0f0;
}

/* 搜索输入框 */
#disc-control input[type="text"] {
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 0.95rem;
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

#disc-control input[type="text"]::placeholder {
  color: rgba(255,255,255,0.6);
}

#disc-control input[type="text"]:hover,
#disc-control input[type="text"]:focus {
  background: rgba(255,255,255,0.2);
  transform: scale(1.08);
  box-shadow: 0 2px 10px rgba(0,0,0,0.35);
  outline: none;
}

/* label 样式 */
#disc-control label {
  font-size: 0.9rem;
  color: #fff;
  user-select: none;
  transition: transform 0.25s ease;
}

/* 鼠标悬停 label 放大 */
#disc-control label:hover {
  transform: scale(1.05);
}

/* 响应式调整，移动端适配 */
@media(max-width: 600px) {
  #disc-control {
    top: 10px;
    right: 10px;
    padding: 10px 12px;
    gap: 6px;
    flex-wrap: wrap;
  }

  #disc-control select,
  #disc-control input[type="text"] {
    font-size: 0.85rem;
  }
}