/* =========================================
   AI风月 × 网文平台UI终极版
   起点红主题 | 可切换晋江绿
   ========================================= */

/* === 全局变量定义（方便一键换色） === */
:root {
  --primary-color: #d32f2f; /* 起点红 */
  --primary-light: #ffebee;
  --primary-dark: #b71c1c;
  --accent-color: #ff6f00;
  --bg-main: #fafafa;
  --bg-card: #ffffff;
  --bg-paper: #f4ecd8;
  --text-primary: #212121;
  --text-secondary: #616161;
  --border-color: #e0e0e0;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
}

/* 晋江绿主题（取消下方注释即可切换）
:root {
  --primary-color: #009966;
  --primary-light: #e8f5f1;
  --primary-dark: #006644;
  --accent-color: #00bfa5;
}
*/

/* === 1. 折叠面板核心美化 === */
details {
  background: linear-gradient(135deg, var(--bg-card) 0%, #fefefe 100%);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin: 16px 0;
  padding: 0;
  box-shadow: var(--shadow-sm);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

details::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
  opacity: 0;
  transition: opacity 0.3s ease;
}

details[open] {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
  background: var(--bg-card);
}

details[open]::before {
  opacity: 1;
}

/* 嵌套子面板 */
details details {
  background: var(--bg-main);
  border-left: 3px solid var(--border-color);
  border-radius: 8px;
  margin: 12px 8px;
  box-shadow: none;
}

details details[open] {
  border-left-color: var(--primary-color);
  background: var(--bg-card);
}

/* === 2. Summary标题区 === */
summary {
  font-weight: 600;
  font-size: 1.05em;
  color: var(--text-primary);
  padding: 16px 20px;
  cursor: pointer;
  outline: none;
  list-style: none;
  position: relative;
  user-select: none;
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
  background: linear-gradient(90deg, transparent 0%, rgba(211,47,47,0.02) 100%);
}

summary::-webkit-details-marker {
  display: none;
}

/* Emoji图标动效 */
summary::before {
  content: attr(data-icon);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-right: 12px;
  background: var(--primary-light);
  border-radius: 50%;
  font-size: 0.9em;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  flex-shrink: 0;
}

summary:hover {
  background: linear-gradient(90deg, var(--primary-light) 0%, transparent 100%);
  padding-left: 24px;
}

summary:hover::before {
  transform: rotate(360deg) scale(1.15);
  background: var(--primary-color);
  color: white;
}

details[open] > summary {
  border-bottom: 2px solid var(--primary-light);
  margin-bottom: 16px;
  color: var(--primary-color);
  background: var(--primary-light);
}

details[open] > summary::before {
  background: var(--primary-color);
  color: white;
  transform: rotate(90deg);
}

/* 展开箭头指示器 */
summary::after {
  content: '▼';
  position: absolute;
  right: 20px;
  font-size: 0.75em;
  color: var(--text-secondary);
  transition: transform 0.3s ease;
}

details[open] > summary::after {
  transform: rotate(180deg);
  color: var(--primary-color);
}

/* === 3. 内容区文本排版 === */
details > *:not(summary) {
  padding: 0 20px 16px 20px;
}

details p {
  font-size: 0.92em;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 8px 0;
}

details b {
  color: var(--text-primary);
  background: linear-gradient(120deg, var(--primary-light) 0%, transparent 100%);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  border-left: 2px solid var(--primary-color);
}

/* === 4. 正文区（网文阅读器风格） === */
text {
  display: block;
  background: linear-gradient(135deg, #f4ecd8 0%, #faf6ed 100%);
  padding: 32px 28px;
  border-radius: 8px;
  border: 1px solid #e3d9c1;
  border-left: 6px solid var(--primary-color);
  margin: 24px 0;
  box-shadow: inset 0 0 30px rgba(200,180,150,0.15), var(--shadow-sm);
  position: relative;
}

text::before {
  content: '📖';
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 1.5em;
  opacity: 0.15;
}

text p {
  font-family: "Source Han Serif SC", "Noto Serif SC", "SimSun", serif;
  font-size: 1.1em;
  color: #2c2c2c;
  line-height: 2.4;
  text-indent: 2em;
  margin-bottom: 20px;
  text-align: justify;
}

text p:first-of-type::first-letter {
  font-size: 2em;
  font-weight: bold;
  color: var(--primary-color);
  float: left;
  line-height: 1;
  margin: 0.1em 0.1em 0 0;
}

/* === 5. 表格美化（记忆回廊） === */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 16px 0;
  font-size: 0.88em;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

th {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  padding: 12px 10px;
  text-align: center;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  border: 1px solid var(--border-color);
  padding: 10px 12px;
  background: var(--bg-card);
  transition: background 0.2s ease;
}

tr:nth-child(even) td {
  background: var(--bg-main);
}

tr:hover td {
  background: var(--primary-light);
  cursor: pointer;
}

/* === 6. 分割线 === */
hr {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  margin: 20px 0;
}

/* === 7. 响应式适配 === */
@media (max-width: 768px) {
  summary {
    font-size: 0.95em;
    padding: 14px 16px;
  }
  
  text {
    padding: 24px 20px;
  }
  
  text p {
    font-size: 1.05em;
    line-height: 2.2;
  }
  
  details > *:not(summary) {
    padding: 0 16px 12px 16px;
  }
}

/* === 8. 特殊栏目强化 === */
/* 读者评论区 */
details:has(summary:contains("💬")) {
  background: linear-gradient(135deg, #fff9e6 0%, #ffffff 100%);
  border-color: var(--accent-color);
}

/* 角色档案 */
details:has(summary:contains("👥")) {
  background: linear-gradient(135deg, #e3f2fd 0%, #ffffff 100%);
}

/* 记忆回廊 */
details:has(summary:contains("记忆回廊")) {
  background: linear-gradient(135deg, #f3e5f5 0%, #ffffff 100%);
}