/* =========================================================
   通用状态栏美化 · 日系轻科幻档案 UI

   已适配常见正文容器：
   .rili-markdown-renderer（你提供的网站实际容器）
   #customized-answer-content
   .markdown-body
   .message-content
   .ai-response

   设计原则：
   1. 不依赖折叠栏名称
   2. 不依赖“第一个 / 最后一个”面板
   3. 不限制面板数量
   4. 不要求额外修改 HTML
   5. 正文保持舒展，不把每段文字做成卡片
   ========================================================= */

/* ---------- 统一作用范围 ---------- */
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) {
  --ui-paper: #fffdf9;
  --ui-paper-soft: #f8f7f3;
  --ui-ink: #272b38;
  --ui-muted: #737989;
  --ui-deep: #202844;
  --ui-line: rgba(47, 57, 82, 0.13);
  --ui-accent: #6f72b8;
  --ui-accent-rgb: 111, 114, 184;
  --ui-radius: 18px;
  --ui-shadow: 0 13px 34px rgba(31, 38, 63, 0.09);
  --ui-shadow-soft: 0 6px 18px rgba(31, 38, 63, 0.065);
  --ui-body-font: "LXGW WenKai Screen", "Noto Serif SC", "Source Han Serif SC", "Microsoft YaHei", serif;
  --ui-title-font: Inter, "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  position: relative;
  min-width: 0;
  max-width: 100%;
  color: var(--ui-ink);
  font-family: var(--ui-body-font);
  font-size: 15.5px;
  line-height: 1.86;
  letter-spacing: 0.015em;
  overflow-wrap: anywhere;
  word-break: normal;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
),
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) * {
  box-sizing: border-box;
}

/* ---------- 普通正文 ---------- */
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) > p {
  margin: 0.92em 0;
  line-height: 1.98;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) > p + p {
  margin-top: 1.15em;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) h1,
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) h2,
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) h3,
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) h4 {
  color: var(--ui-deep);
  font-family: var(--ui-title-font);
  font-weight: 750;
  line-height: 1.45;
  letter-spacing: 0.045em;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) h2,
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) h3 {
  position: relative;
  margin: 1.38em 0 0.72em;
  padding-left: 1em;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) h2::before,
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.28em;
  bottom: 0.28em;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(
    180deg,
    rgba(var(--ui-accent-rgb), 0.95),
    rgba(var(--ui-accent-rgb), 0.12)
  );
  box-shadow: 0 0 11px rgba(var(--ui-accent-rgb), 0.26);
}

/* ---------- 通用折叠面板 ---------- */
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) details {
  position: relative;
  isolation: isolate;
  min-width: 0;
  margin: 15px 0;
  padding: 0 18px 16px;
  overflow: hidden;
  border: 1px solid rgba(var(--ui-accent-rgb), 0.24);
  border-radius: var(--ui-radius);
  background:
    radial-gradient(circle at 100% 0%, rgba(var(--ui-accent-rgb), 0.11), transparent 34%),
    linear-gradient(145deg, rgba(255, 253, 249, 0.98), rgba(248, 247, 243, 0.96));
  box-shadow: var(--ui-shadow-soft);
  transition: border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) details::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(63, 74, 105, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63, 74, 105, 0.028) 1px, transparent 1px);
  background-size: 28px 28px;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) details::after {
  content: "✦";
  position: absolute;
  right: 13px;
  bottom: -10px;
  color: rgba(var(--ui-accent-rgb), 0.13);
  font-family: Georgia, serif;
  font-size: 58px;
  line-height: 1;
  transform: rotate(14deg);
  pointer-events: none;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) details:hover {
  border-color: rgba(var(--ui-accent-rgb), 0.4);
  box-shadow: var(--ui-shadow);
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) details[open] {
  border-color: rgba(var(--ui-accent-rgb), 0.46);
  box-shadow: var(--ui-shadow);
}

/* ---------- 标题页签 ---------- */
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) summary {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 0;
  min-height: 58px;
  margin: 0 -18px;
  padding: 13px 56px 13px 20px;
  color: var(--ui-deep);
  border-bottom: 1px solid transparent;
  background: linear-gradient(90deg, rgba(var(--ui-accent-rgb), 0.13), transparent 74%);
  font-family: var(--ui-title-font);
  font-size: 15px;
  font-weight: 760;
  line-height: 1.45;
  letter-spacing: 0.075em;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background 180ms ease, color 180ms ease;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) summary::-webkit-details-marker {
  display: none;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) summary::before {
  content: "✧";
  display: grid;
  place-items: center;
  flex: 0 0 31px;
  width: 31px;
  height: 31px;
  margin-right: 12px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 28%, rgba(255, 255, 255, 0.68), transparent 30%),
    linear-gradient(145deg, rgba(var(--ui-accent-rgb), 0.72), rgb(var(--ui-accent-rgb)));
  box-shadow:
    0 4px 11px rgba(var(--ui-accent-rgb), 0.27),
    inset 0 0 0 3px rgba(255, 255, 255, 0.15);
  font-family: Georgia, serif;
  font-size: 16px;
  line-height: 1;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) summary::after {
  content: "⌄";
  position: absolute;
  right: 20px;
  top: 50%;
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  color: rgb(var(--ui-accent-rgb));
  border: 1px solid rgba(var(--ui-accent-rgb), 0.27);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.68);
  font-family: var(--ui-title-font);
  font-size: 17px;
  line-height: 1;
  transform: translateY(-50%);
  transition: transform 200ms ease, background 200ms ease;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) details[open] > summary {
  margin-bottom: 14px;
  color: var(--ui-deep);
  border-bottom-color: rgba(var(--ui-accent-rgb), 0.16);
  background: linear-gradient(90deg, rgba(var(--ui-accent-rgb), 0.19), transparent 78%);
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) details[open] > summary::after {
  background: rgba(var(--ui-accent-rgb), 0.08);
  transform: translateY(-50%) rotate(180deg);
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) summary:hover {
  background: linear-gradient(90deg, rgba(var(--ui-accent-rgb), 0.22), transparent 78%);
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) summary:focus-visible {
  outline: 2px solid rgba(var(--ui-accent-rgb), 0.65);
  outline-offset: -4px;
}

/* ---------- 任意数量面板的循环识别色 ----------
   只是视觉轮换，不代表固定栏目含义；超过 6 个会自动循环。
   若你想所有面板同色，可删掉下面 6 组规则。
   ------------------------------------------------ */
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) > details:nth-of-type(6n + 1) {
  --ui-accent: #5f78a5;
  --ui-accent-rgb: 95, 120, 165;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) > details:nth-of-type(6n + 2) {
  --ui-accent: #4f91a1;
  --ui-accent-rgb: 79, 145, 161;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) > details:nth-of-type(6n + 3) {
  --ui-accent: #746db0;
  --ui-accent-rgb: 116, 109, 176;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) > details:nth-of-type(6n + 4) {
  --ui-accent: #a58155;
  --ui-accent-rgb: 165, 129, 85;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) > details:nth-of-type(6n + 5) {
  --ui-accent: #a66d7f;
  --ui-accent-rgb: 166, 109, 127;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) > details:nth-of-type(6n) {
  --ui-accent: #668b79;
  --ui-accent-rgb: 102, 139, 121;
}

/* ---------- 面板正文 ---------- */
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) details p {
  margin: 0.62em 0;
  line-height: 1.85;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) strong {
  color: var(--ui-deep);
  font-family: var(--ui-title-font);
  font-weight: 740;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) details strong {
  color: rgb(var(--ui-accent-rgb));
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) em {
  color: var(--ui-muted);
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) a {
  color: rgb(var(--ui-accent-rgb));
  text-decoration-color: rgba(var(--ui-accent-rgb), 0.35);
  text-underline-offset: 3px;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) a:hover {
  text-decoration-color: currentColor;
}

/* ---------- 列表 ---------- */
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) ul,
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) ol {
  margin: 0.68em 0 0.9em;
  padding-left: 1.45em;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) li {
  margin: 0.34em 0;
  padding-left: 0.1em;
  line-height: 1.76;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) li::marker {
  color: rgb(var(--ui-accent-rgb));
  font-weight: 800;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) details > ul,
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) details > ol {
  padding-left: 1.3em;
  border-left: 1px solid rgba(var(--ui-accent-rgb), 0.2);
}

/* ---------- 分割线 ---------- */
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) hr {
  height: 1px;
  margin: 1.25em 0;
  border: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(var(--ui-accent-rgb), 0.32),
    transparent
  );
}

/* ---------- 表格 ---------- */
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) table {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 14px 0 18px;
  overflow-x: auto;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid rgba(var(--ui-accent-rgb), 0.23);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.73);
  box-shadow: 0 7px 22px rgba(40, 45, 67, 0.055);
  scrollbar-width: thin;
  scrollbar-color: rgba(var(--ui-accent-rgb), 0.38) transparent;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) thead {
  background: linear-gradient(90deg, rgba(var(--ui-accent-rgb), 0.14), rgba(255, 255, 255, 0.72));
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) th,
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) td {
  min-width: 108px;
  padding: 10px 12px;
  border-right: 1px solid rgba(55, 62, 84, 0.08);
  border-bottom: 1px solid rgba(55, 62, 84, 0.08);
  text-align: left;
  vertical-align: top;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) th {
  color: rgb(var(--ui-accent-rgb));
  font-family: var(--ui-title-font);
  font-size: 0.9em;
  font-weight: 750;
  letter-spacing: 0.035em;
  white-space: nowrap;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) tr:last-child td {
  border-bottom: 0;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) th:last-child,
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) td:last-child {
  border-right: 0;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) tbody tr:nth-child(even) {
  background: rgba(var(--ui-accent-rgb), 0.035);
}

/* ---------- 嵌套折叠 ---------- */
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) details details {
  margin: 13px 1px 3px;
  border-radius: 14px;
  background:
    radial-gradient(circle at 96% 4%, rgba(var(--ui-accent-rgb), 0.1), transparent 31%),
    rgba(250, 249, 252, 0.93);
  box-shadow: inset 0 0 0 1px rgba(var(--ui-accent-rgb), 0.035);
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) details details > summary {
  min-height: 50px;
  font-size: 13.5px;
  letter-spacing: 0.05em;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) details details > summary::before {
  content: "◈";
  width: 27px;
  height: 27px;
  flex-basis: 27px;
  font-size: 12px;
}

/* ---------- 代码与引用 ---------- */
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) code {
  padding: 0.16em 0.42em;
  border: 1px solid rgba(var(--ui-accent-rgb), 0.15);
  border-radius: 6px;
  color: #5e5687;
  background: rgba(var(--ui-accent-rgb), 0.075);
  font-size: 0.9em;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) pre {
  max-width: 100%;
  overflow: auto;
  padding: 14px 16px;
  border: 1px solid rgba(var(--ui-accent-rgb), 0.16);
  border-radius: 12px;
  background: #f5f5f8;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) pre code {
  padding: 0;
  border: 0;
  background: transparent;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) blockquote {
  margin: 1em 0;
  padding: 0.72em 1em;
  border: 0;
  border-left: 3px solid rgb(var(--ui-accent-rgb));
  border-radius: 0 10px 10px 0;
  color: #565d6e;
  background: rgba(var(--ui-accent-rgb), 0.065);
}

/* ---------- 打开动画 ---------- */
@keyframes universal-panel-enter {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) details[open] > :not(summary) {
  animation: universal-panel-enter 240ms ease both;
}

/* ---------- 局部滚动条 ---------- */
:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) ::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) ::-webkit-scrollbar-track {
  background: transparent;
}

:is(
  .rili-markdown-renderer,
  #customized-answer-content,
  .markdown-body,
  .message-content,
  .ai-response
) ::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 999px;
  background: rgba(var(--ui-accent-rgb), 0.34);
  background-clip: padding-box;
}

/* ---------- 手机端 ---------- */
@media (max-width: 720px) {
  :is(
    .rili-markdown-renderer,
    #customized-answer-content,
    .markdown-body,
    .message-content,
    .ai-response
  ) {
    font-size: 14.5px;
    line-height: 1.82;
    letter-spacing: 0.008em;
  }

  :is(
    .rili-markdown-renderer,
    #customized-answer-content,
    .markdown-body,
    .message-content,
    .ai-response
  ) details {
    margin: 12px 0;
    padding: 0 13px 13px;
    border-radius: 15px;
  }

  :is(
    .rili-markdown-renderer,
    #customized-answer-content,
    .markdown-body,
    .message-content,
    .ai-response
  ) summary {
    min-height: 54px;
    margin: 0 -13px;
    padding: 11px 47px 11px 14px;
    font-size: 14px;
    letter-spacing: 0.04em;
  }

  :is(
    .rili-markdown-renderer,
    #customized-answer-content,
    .markdown-body,
    .message-content,
    .ai-response
  ) summary::before {
    width: 28px;
    height: 28px;
    flex-basis: 28px;
    margin-right: 9px;
  }

  :is(
    .rili-markdown-renderer,
    #customized-answer-content,
    .markdown-body,
    .message-content,
    .ai-response
  ) summary::after {
    right: 13px;
  }

  :is(
    .rili-markdown-renderer,
    #customized-answer-content,
    .markdown-body,
    .message-content,
    .ai-response
  ) h2,
  :is(
    .rili-markdown-renderer,
    #customized-answer-content,
    .markdown-body,
    .message-content,
    .ai-response
  ) h3 {
    padding-left: 0.82em;
  }

  :is(
    .rili-markdown-renderer,
    #customized-answer-content,
    .markdown-body,
    .message-content,
    .ai-response
  ) th,
  :is(
    .rili-markdown-renderer,
    #customized-answer-content,
    .markdown-body,
    .message-content,
    .ai-response
  ) td {
    min-width: 92px;
    padding: 8px 9px;
    font-size: 12.5px;
  }
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  :is(
    .rili-markdown-renderer,
    #customized-answer-content,
    .markdown-body,
    .message-content,
    .ai-response
  ) *,
  :is(
    .rili-markdown-renderer,
    #customized-answer-content,
    .markdown-body,
    .message-content,
    .ai-response
  ) *::before,
  :is(
    .rili-markdown-renderer,
    #customized-answer-content,
    .markdown-body,
    .message-content,
    .ai-response
  ) *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}