/* Only supports mainstream browsers from 2020+, does not support IE */
@import url("./base.css");

/* 页面特有的 body 过渡动效（base.css 仅设基础重置） */
body {
  transition:
    background-color 0.5s var(--zen-ease),
    color 0.5s var(--zen-ease);
}

/* 动态背景 Canvas - 独立加速层，添加淡雅云纹图案 */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  filter: blur(80px);
  opacity: 0.25;
  will-change: opacity;
  transition: opacity 2s var(--zen-ease);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cpath d='M50 10 Q70 30 50 50 Q30 70 50 90' stroke='%23e0d8c8' stroke-width='2' fill='none' opacity='0.1'/%3E%3C/svg%3E"); /* 简易东方云纹 */
  background-repeat: repeat;
}

[data-bs-theme="dark"] #bg-canvas {
  opacity: 0.4;
}

/* 顶部导航毛玻璃，增强丝绸光泽感 */
.glass-header {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(20px) saturate(180%);
  position: sticky;
  top: 0;
  z-index: 1030;
  border-bottom: 1px solid var(--card-sep) !important;
}

.glass-header .navbar-brand {
  font-family: var(--font-serif);
  font-weight: 900;
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  color: var(--text-main);
}

/* 控制台容器，模拟古籍边框 */
.master-console {
  background: var(--glass-bg);
  border: 1px solid var(--card-sep);
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
  margin-bottom: 2rem;
  contain: layout;
}

/* 模式描述：基于 Tabler Alert 的美学增强 */
.mode-description {
  background-color: color-mix(in srgb, var(--theme-color), transparent 96%);
  border: 1px solid var(--card-sep);
  border-left: 4px solid var(--theme-color) !important;
  animation: slideInDown 0.4s var(--zen-ease);

  [data-bs-theme="dark"] & {
    background-color: color-mix(in srgb, var(--theme-color), transparent 90%);
  }

  .description-content {
    font-family: var(--font-serif);
    font-size: 0.9rem;
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 模式切换器 */
.mode-switcher {
  background: var(--card-sep);
  padding: 3px;
  border-radius: 8px;
  border: 1px solid var(--card-sep);
  display: flex;
  gap: 2px;

  .btn {
    border: none;
    border-radius: 6px !important;
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.4rem 1rem;
    transition: all 0.3s var(--zen-ease);
    color: var(--text-muted);
    background: transparent;
    white-space: nowrap;
    cursor: pointer;

    &:hover {
      background: var(--card-sep);
      color: var(--text-main);
    }

    &.active {
      background: var(--theme-color) !important;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      color: var(--theme-text) !important;
    }
  }
}

/* 实体色卡核心，增强禅意与东方浮雕感 */
.zen-card {
  --hover-scale: 1.02;
  container-type: inline-size; /* 启用容器查询 */

  background: var(--paper-bg);
  border: 1px solid var(--card-sep);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  transition:
    transform 0.4s var(--zen-ease),
    box-shadow 0.4s var(--zen-ease);
  cursor: pointer;
  contain: layout;

  /* --- 性能优化：长列表渲染优化 --- */
  content-visibility: auto;
  contain-intrinsic-size: 0 280px;
  will-change: transform;

  &::after {
    content: "";
    position: absolute;
    top: 10px;
    left: 10px;
    width: 10px;
    height: 10px;
    background: var(--theme-color);
    border-radius: 50%;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
    z-index: 5;
  }

  &:hover {
    transform: scale(var(--hover-scale));
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    z-index: 10;
  }
}

.color-block {
  aspect-ratio: 5 / 7;
  position: relative;
  display: flex;
  justify-content: flex-start;
  padding: 20px;
  transition: background 0.5s var(--zen-ease);
  overflow: hidden;

  .name-group {
    display: flex;
    flex-direction: row-reverse;
    gap: 4px;
    align-items: flex-start;
    height: 100%;
  }
}

/* 垂直文字公共基类，增强书法笔触感 */
.chinese-name-vertical,
.pinyin-label-vertical {
  writing-mode: vertical-rl;
  white-space: nowrap;
}

.chinese-name-vertical {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 15cqw, 1.8rem); /* 容器宽度适配：比 vh 更精准 */
  font-weight: 700;
  letter-spacing: 0.2rem;
  line-height: 1.1;
}

.pinyin-label-vertical {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  opacity: 0.65;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 10px;
}

/* 底部元数据 */
.card-footer {
  padding: 0.75rem;
  background: var(--paper-bg);
  border-top: 1px solid var(--card-sep);
}

.card-footer .color-metadata {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.meta-item {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  border-bottom: 1px dashed var(--card-sep);
  padding: 2px 6px;
  margin: 0 -4px;
  border-radius: 4px;
  transition: all 0.2s ease;

  &:hover {
    color: var(--card-text-hover, #fff) !important;
    background: var(--card-color, var(--theme-color));
    border-bottom-color: transparent;
  }

  &:last-child {
    border-bottom: none;
  }
}

/* 亮度进度条样式 */

.luminance-container {
  .progress {
    background-color: var(--card-sep);
    border-radius: 3px;
    transition: all 0.2s var(--zen-ease);
  }

  &:hover .progress {
    filter: brightness(0.95);
    transform: scaleY(1.2);
  }

  .progress-bar {
    border-radius: 3px;
    transition: width 0.3s ease;
  }
}

/* 分类与分页 UI */
.cat-bar {
  display: flex;
  overflow-x: auto;
}

.pagination {
  user-select: none;

  .page-link {
    cursor: pointer;
  }

  .page-item.disabled .page-link {
    cursor: not-allowed;
  }
}

.active-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 3px solid var(--theme-color);
  opacity: 0;
  transition: opacity 0.3s var(--zen-ease);
}

/* 返回顶部按钮，设计为东方印章风格 */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 1040;
  transition: all 0.3s var(--zen-ease);
  font-size: 1.5rem;

  /* 默认隐藏状态 */
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;

  &.show {
    opacity: 0.9;
    transform: translateY(0);
    pointer-events: auto;

    &:hover {
      transform: translateY(-4px);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
      opacity: 1;
    }
  }
}

.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  scrollbar-width: none;
}

@media (max-width: 768px) {
  .back-to-top {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
  .chinese-name-vertical {
    font-size: 1.3rem; /* 稍微缩小一点 */
  }
  .color-block {
    min-height: 180px;
  }
  .border-md-end {
    border-right: none !important;
    border-bottom: 1px solid var(--card-sep);
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
  }
}

/* 标签样式优化 */
.tag.cursor-pointer {
  transition: all 0.2s ease;
  user-select: none;
  background: transparent;

  &:hover {
    background: var(--card-sep);
  }

  &[aria-pressed="true"],
  &.active {
    border-color: var(--theme-color) !important;
    color: var(--theme-color) !important;
    background: color-mix(in srgb, var(--theme-color) 5%, transparent);
  }
}

.hover-text-theme:hover {
  color: var(--theme-color) !important;
  transition: color 0.3s ease;
}

/* 算法实验场 (Algorithmic Alchemist) 样式 */

.algo-swatch {
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    transform 0.2s var(--zen-ease),
    box-shadow 0.2s var(--zen-ease);
  position: relative;
  overflow: hidden;
}

.algo-swatch:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
}

.hover-scale {
  transition: transform 0.2s var(--zen-ease);
}

.hover-scale:hover {
  transform: scale(1.05);
  z-index: 2;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.shadow-sm-hover {
  transition: box-shadow 0.3s var(--zen-ease);
}

.shadow-sm-hover:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05) !important;
}

.transition-all {
  transition: all 0.3s var(--zen-ease);
}

/* 算法采样条：原生 OKLCH 渲染，解决边缘杂色 */
.algo-gradient-bar {
  height: 28px;
  cursor: crosshair;
  /* 解决杂色核心：使用极简 oklch 插值，并强制背景裁剪到内容区，防止溢出边框 */
  background: linear-gradient(in oklch to right, var(--c-start) 0%, var(--c-end) 100%);
  background-clip: padding-box;
  overflow: hidden;
  transition:
    filter 0.2s,
    transform 0.2s;
}

.algo-gradient-bar:hover {
  filter: brightness(1.04);
  transform: translateY(-1px);
}

/**
*寻色实验室 (实验室专用样式)
*/
#colorLabModal .modal-content {
  background-color: var(--paper-bg) !important;
  color: var(--text-main) !important;
  border: 1px solid var(--card-sep) !important;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2) !important;
  border-radius: 1.25rem !important;
}

[data-bs-theme="dark"] #colorLabModal .modal-content {
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5) !important;
}

#colorLabModal.modal-blur {
  backdrop-filter: blur(12px) !important;
}

/* 列表项卡片化 (响应暗色模式) */
.color-lab-item-card {
  background-color: var(--glass-bg);
  border: 1px solid var(--card-sep);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--text-main);
}

.color-lab-item-card:hover {
  background-color: var(--paper-bg);
  border-color: var(--theme-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* iro.js 色盘容器背景 */
.picker-wrapper {
  padding: 0.5rem 0;
}

#color-lab-picker {
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
}

[data-bs-theme="dark"] #color-lab-picker {
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.4));
}

/* 列表项标题字体 */
.color-lab-item-card h4 {
  font-family: var(--font-serif);
  letter-spacing: 0.05em;
  color: var(--text-main);
}

/* 响应式分割线样式 */
.border-md-end {
  border-right: 1px solid var(--card-sep);
}

/* 极简全屏预览覆盖层 - 独立于主页面样式 */
.full-screen-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #000;
  cursor: pointer;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s var(--zen-ease),
    visibility 0.3s var(--zen-ease);
}

.full-screen-overlay.show {
  opacity: 1;
  visibility: visible;
}

.full-screen-overlay canvas {
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  transition: transform 0.4s var(--zen-ease);
  transform: scale(1.02);
}

.full-screen-overlay.show canvas {
  transform: scale(1);
}

@keyframes fadeInPoster {
  from {
    opacity: 0;
    transform: scale(1.02);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}