/* =========================================================
   期货学习 Wiki · 基础样式
   设计目标：参照参考图的三栏布局 + 类企业级 Wiki 视觉
   ========================================================= */

:root {
  --bg: #f6f8fb;
  --panel: #ffffff;
  --line: #e5e9f0;
  --line-strong: #d6dce6;
  --text: #1f2430;
  --text-2: #4a5468;
  --text-3: #8a93a6;
  --primary: #1d4ed8;
  --primary-2: #2563eb;
  --primary-soft: #eaf1ff;
  --primary-hover: #1738b3;
  --danger: #e5484d;
  --good: #16a34a;
  --warn: #d97706;
  --shadow: 0 1px 2px rgba(20, 30, 60, .04), 0 4px 12px rgba(20, 30, 60, .05);
  --radius: 10px;
  --radius-sm: 6px;
  --font: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  font-family: var(--font);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

/* ============== Topbar ============== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 280px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo {
  width: 34px; height: 34px;
  border-radius: 8px;
  background: #eef3ff;
  display: grid; place-items: center;
}
.logo svg { width: 22px; height: 22px; }
.brand-title { font-weight: 700; color: var(--text); font-size: 15px; }
.brand-sub { color: var(--text-3); font-size: 12px; margin-top: 2px; }

.search {
  position: relative;
  display: flex; align-items: center;
  background: #f3f5fa;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 8px 14px;
  max-width: 720px;
  margin: 0 auto;
  transition: border-color .15s, background .15s;
}
.search:focus-within { background: #fff; border-color: var(--primary); }
.search-icon { width: 16px; height: 16px; color: var(--text-3); margin-right: 8px; }
.search input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: 0;
  font-size: 14px;
  color: var(--text);
}
.kbd {
  font-size: 11px; color: var(--text-3);
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: 4px; padding: 1px 6px;
}

.topbar-actions { display: flex; align-items: center; gap: 8px; }
.btn-ghost, .btn-primary, .btn-magic, .btn-line {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 7px 12px;
  background: transparent;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: all .15s;
  color: var(--text-2);
}
.btn-ghost svg, .btn-primary svg { width: 14px; height: 14px; }
.btn-ghost:hover { background: #eef2f7; color: var(--text); }
.btn-primary {
  background: var(--primary); color: #fff; border-color: var(--primary);
  box-shadow: 0 1px 0 rgba(255,255,255,.1) inset, 0 2px 4px rgba(29,78,216,.2);
}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-magic {
  background: #fff; color: var(--primary);
  border: 1px solid var(--primary);
  box-shadow: 0 0 0 3px rgba(29,78,216,.08) inset;
}
.btn-magic:hover { background: var(--primary-soft); }
.btn-magic.is-cited { background: var(--primary); color: #fff; }
.btn-line {
  width: 100%; justify-content: center;
  background: #f5f7fb; border-color: var(--line);
  color: var(--text-2);
}
.btn-line:hover { background: #eaf1ff; color: var(--primary); border-color: #c7d8ff; }

.icon-only { width: 32px; height: 32px; padding: 0; justify-content: center; }

.user {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 10px 4px 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  background: #fff;
}
.avatar {
  width: 26px; height: 26px;
  border-radius: 999px;
  background: linear-gradient(135deg,#3b82f6,#1d4ed8);
  color: #fff; font-size: 12px; font-weight: 600;
  display: grid; place-items: center;
}
.user-name { font-size: 13px; color: var(--text); }
.caret { font-size: 12px; color: var(--text-3); }

/* ============== Layout ============== */
.layout {
  display: grid;
  grid-template-columns: 260px 1fr 380px;
  min-height: calc(100vh - 64px);
}
.layout.ai-collapsed { grid-template-columns: 260px 1fr 0; }
.layout.ai-collapsed .ai-panel { display: none; }

/* ============== Sidebar ============== */
.sidebar {
  border-right: 1px solid var(--line);
  background: #fbfcfe;
  padding: 18px 14px 20px;
  overflow-y: auto;
  max-height: calc(100vh - 64px);
  position: sticky;
  top: 64px;
}
.sidebar-section-title {
  color: var(--text-3);
  font-size: 12px;
  margin: 4px 8px 10px;
  letter-spacing: .04em;
}
.module-list {
  display: flex; flex-direction: column;
  gap: 2px;
}
.module-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-2);
  font-size: 13.5px;
  user-select: none;
  position: relative;
}
.module-item:hover { background: #eef2f7; }
.module-item.is-active {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
}
.module-item.is-active::before {
  content: "";
  position: absolute;
  left: -14px; top: 8px; bottom: 8px;
  width: 3px; border-radius: 0 3px 3px 0;
  background: var(--primary);
}
.module-icon {
  width: 18px; height: 18px; flex: none;
  color: var(--text-3);
  display: grid; place-items: center;
}
.module-item.is-active .module-icon { color: var(--primary); }
.module-item .badge {
  margin-left: auto;
  font-size: 11px;
  background: #eef2f7;
  color: var(--text-3);
  border-radius: 999px;
  padding: 1px 7px;
}
.module-item.is-active .badge { background: #dbe7ff; color: var(--primary); }

.module-children {
  display: none;
  margin: 2px 0 4px 22px;
  border-left: 1px dashed var(--line-strong);
  padding-left: 10px;
  flex-direction: column;
  gap: 2px;
}
.module-item.expanded + .module-children { display: flex; }
.module-children a {
  font-size: 13px; color: var(--text-2);
  padding: 6px 8px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: space-between;
}
.module-children a:hover { background: #f1f5f9; }
.module-children a.is-pending { color: var(--text-3); }
.module-children a.is-pending .kid-name { opacity: .65; }
.module-children a.is-pending::after {
  content: "待补充"; font-size: 10px; color: var(--text-3);
  border: 1px dashed var(--line-strong); border-radius: 4px; padding: 0 4px; margin-left: 4px;
}

.sidebar-block {
  margin-top: 22px;
  padding: 0 6px;
}
.footnote {
  font-size: 11.5px;
  color: var(--text-3);
  line-height: 1.6;
}
.footnote code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: #eef2f7;
  padding: 0 4px;
  border-radius: 4px;
  font-size: 11px;
}
.sidebar-actions {
  margin-top: 14px;
  display: flex; flex-direction: column; gap: 8px;
}

/* ============== Content ============== */
.content {
  background: var(--bg);
  overflow-y: auto;
  max-height: calc(100vh - 64px);
}
.content-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 28px 36px 80px;
}
.breadcrumb {
  display: flex; align-items: center; gap: 10px;
  color: var(--text-3);
  font-size: 13px;
  margin-bottom: 14px;
}
.back { color: var(--primary); }
.crumb a { color: var(--text-2); }
.crumb a:hover { color: var(--primary); }

.entry-actions {
  display: flex; gap: 10px;
  margin-bottom: 22px;
}
.entry-actions .btn-ghost {
  background: #fff;
  border-color: var(--line);
}

.entry {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px 32px 32px;
  box-shadow: var(--shadow);
}
.entry-tag {
  display: inline-block;
  background: #ecfdf3; color: #047857;
  font-size: 11px;
  border-radius: 4px;
  padding: 2px 8px;
  margin-bottom: 8px;
  letter-spacing: .03em;
}
.entry h1 {
  font-size: 24px;
  margin: 6px 0 6px;
  color: var(--text);
}
.entry .meta {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 18px;
}
.entry .lead {
  font-size: 14.5px;
  color: var(--text-2);
  line-height: 1.75;
  padding: 12px 14px;
  background: #f7faff;
  border-left: 3px solid var(--primary);
  border-radius: 0 8px 8px 0;
  margin: 0 0 18px;
}
.entry h2 {
  font-size: 17px;
  margin: 26px 0 10px;
  padding-left: 10px;
  border-left: 3px solid var(--primary);
  line-height: 1.3;
}
.entry h3 {
  font-size: 15px;
  margin: 18px 0 8px;
  color: var(--text);
}
.entry p { margin: 8px 0; color: var(--text-2); }
.entry ul, .entry ol { padding-left: 22px; color: var(--text-2); }
.entry li { margin: 6px 0; }
.entry table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin: 10px 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.entry th, .entry td {
  border-bottom: 1px solid var(--line);
  padding: 9px 12px;
  text-align: left;
}
.entry th { background: #f3f6fb; font-weight: 600; }
.entry tr:last-child td { border-bottom: 0; }

.callout {
  display: flex; gap: 10px;
  background: #fff7ed;
  border: 1px solid #fcd9a8;
  border-radius: 8px;
  padding: 10px 14px;
  margin: 12px 0;
  color: #92400e;
  font-size: 13.5px;
}
.callout .ico {
  width: 18px; height: 18px; flex: none;
}
.callout.tip { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
.callout.warn { background: #fef2f2; border-color: #fecaca; color: #991b1b; }

.kbd-inline {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, monospace;
  background: #f1f5f9;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--text);
}

.term-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 10px;
}
.term-card {
  background: #fafbfd;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
}
.term-card .key {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 4px;
  letter-spacing: .04em;
}
.term-card .val {
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}

.pager {
  margin-top: 22px;
  display: flex; justify-content: space-between;
  color: var(--text-2);
  font-size: 13px;
}
.pager a:hover { color: var(--primary); }

/* ============== AI Panel ============== */
.ai-panel {
  border-left: 1px solid var(--line);
  background: #fff;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 64px);
  position: sticky;
  top: 64px;
}

.ai-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}
.ai-head-left { display: flex; align-items: center; gap: 8px; }
.ai-head-left svg { width: 18px; height: 18px; }
.ai-head-title { font-weight: 600; }
.ai-head-right { display: flex; align-items: center; gap: 6px; }
.chip {
  background: #f3f5fa;
  color: var(--text-2);
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 4px;
}
.chip:hover { background: #eaf1ff; color: var(--primary); border-color: #c7d8ff; }
.chip.icon { padding: 4px; width: 26px; height: 26px; justify-content: center; }
.chip svg { width: 14px; height: 14px; }

.ai-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 16px 8px;
  background: #f9fafd;
}
.msg { display: flex; margin-bottom: 14px; gap: 8px; }
.msg .avatar-mini {
  width: 28px; height: 28px; border-radius: 8px;
  display: grid; place-items: center;
  flex: none;
  font-size: 12px;
  font-weight: 600;
}
.msg.user .avatar-mini { background: #dbeafe; color: var(--primary); }
.msg.bot  .avatar-mini { background: var(--primary); color: #fff; }
.msg .bubble {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13.5px;
  color: var(--text-2);
  max-width: 100%;
  line-height: 1.7;
}
.msg.user .bubble { background: var(--primary); color: #fff; border-color: transparent; }
.msg .bubble strong { color: var(--text); }
.msg .bubble .quote-card {
  background: #f7faff;
  border: 1px solid #dde6fb;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--text-2);
  margin: 6px 0;
}
.typing {
  display: inline-flex; gap: 3px;
}
.typing span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-3);
  animation: blink 1.2s infinite ease-in-out;
}
.typing span:nth-child(2) { animation-delay: .2s; }
.typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .2; } 40% { opacity: 1; } }

.ai-foot {
  border-top: 1px solid var(--line);
  padding: 10px 16px 14px;
  background: #fff;
}
.quote {
  display: flex; align-items: center;
  background: #fff7ed;
  border: 1px solid #fcd9a8;
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12.5px;
  color: #92400e;
  margin-bottom: 8px;
}
.quote-label { margin-right: 4px; }
.quote-name { font-weight: 600; }
.quote-close { margin-left: auto; background: transparent; border: 0; cursor: pointer; color: #92400e; font-size: 14px; }

.model-row {
  display: flex; align-items: center;
  margin: 4px 0 8px;
  font-size: 12px;
  color: var(--text-3);
  gap: 8px;
}
.model-select {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 12px;
  color: var(--text);
  background: #fff;
  outline: 0;
}
.model-select:focus { border-color: var(--primary); }

.composer {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 8px 90px 8px 10px;
  display: flex;
  align-items: flex-end;
}
.composer textarea {
  width: 100%;
  resize: none;
  border: 0; outline: 0;
  font: inherit;
  font-size: 13.5px;
  color: var(--text);
  background: transparent;
  min-height: 38px;
  max-height: 120px;
}
.send-btn {
  position: absolute;
  right: 8px; bottom: 8px;
  background: var(--primary);
  color: #fff;
  border: 0; border-radius: 6px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
}
.send-btn:hover { background: var(--primary-hover); }

.hint {
  margin-top: 8px;
  font-size: 11.5px;
  color: var(--text-3);
  line-height: 1.6;
}

/* 滚动条 */
.sidebar::-webkit-scrollbar,
.content::-webkit-scrollbar,
.ai-body::-webkit-scrollbar { width: 8px; }
.sidebar::-webkit-scrollbar-thumb,
.content::-webkit-scrollbar-thumb,
.ai-body::-webkit-scrollbar-thumb { background: #d8dee8; border-radius: 4px; }
.sidebar::-webkit-scrollbar-thumb:hover { background: #b9c2d2; }

/* 响应式 */
@media (max-width: 1240px) {
  .layout { grid-template-columns: 240px 1fr 360px; }
  .topbar { grid-template-columns: 240px 1fr auto; }
}
@media (max-width: 1080px) {
  .layout { grid-template-columns: 220px 1fr; }
  .ai-panel { position: fixed; right: 0; top: 64px; bottom: 0; width: 380px; z-index: 50; box-shadow: -4px 0 12px rgba(0,0,0,.06); }
}
@media (max-width: 720px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .ai-panel { width: 100%; }
  .content-inner { padding: 22px 18px 60px; }
}

/* =========================================================
   追加：搜索 / 进度 / 目录 / 来源 / 编辑器 / 深色主题
   ========================================================= */

/* 词条内代码 */
.entry code, .bubble code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: #f1f5f9;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 12.5px;
  color: #b4266a;
}
.entry blockquote {
  margin: 10px 0; padding: 8px 14px;
  border-left: 3px solid var(--line-strong);
  color: var(--text-3);
}
.entry hr { border: 0; border-top: 1px dashed var(--line); margin: 14px 0; }

/* callout 增强 */
.callout > span:first-child {
  flex: none; font-weight: 700; font-size: 12.5px;
  background: rgba(255,255,255,.7);
  border-radius: 4px; padding: 1px 7px; height: fit-content;
}
.callout.danger { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.callout a { color: inherit; text-decoration: underline; }

/* 顶栏统计 */
.stat-pill {
  font-size: 12px; color: var(--text-3);
  background: #f3f5fa; border: 1px solid var(--line);
  border-radius: 999px; padding: 5px 12px;
  white-space: nowrap;
}
.stat-num { color: var(--primary); font-weight: 700; }
.stat-sep { margin: 0 4px; color: var(--line-strong); }

/* 搜索下拉 */
.search-results {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background: #fff; border: 1px solid var(--line);
  border-radius: 12px; box-shadow: 0 12px 28px rgba(20,30,60,.12);
  max-height: 60vh; overflow-y: auto; z-index: 60; padding: 6px;
}
.sr-item { display: block; padding: 8px 10px; border-radius: 8px; }
.sr-item:hover { background: #f4f7fd; }
.sr-title { font-size: 13.5px; font-weight: 600; color: var(--text); }
.sr-mod { font-size: 11px; color: var(--text-3); font-weight: 400; margin-left: 6px; }
.sr-snip { font-size: 12.5px; color: var(--text-2); margin-top: 2px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sr-empty { padding: 14px; font-size: 13px; color: var(--text-3); text-align: center; }
mark { background: #fff2a8; color: inherit; border-radius: 2px; padding: 0 1px; }

/* 进度 */
.progress-box {
  margin: 18px 8px 0; padding: 12px 14px;
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
}
.progress-head {
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--text-3); margin-bottom: 8px;
}
.progress-bar { height: 6px; background: #eef2f7; border-radius: 999px; overflow: hidden; }
.progress-bar i { display: block; height: 100%; background: linear-gradient(90deg,#3b82f6,#1d4ed8); transition: width .3s; }

/* 我的词条 */
.my-entries { padding: 0 6px; }
.my-empty { font-size: 11.5px; color: var(--text-3); padding: 8px; background: #f7f9fc; border-radius: 8px; }
.my-item {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 8px; border-radius: 6px; font-size: 13px;
}
.my-item:hover { background: #f1f5f9; }
.my-item a { flex: 1; color: var(--text-2);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.my-item a:hover { color: var(--primary); }
.my-del { border: 0; background: transparent; color: var(--text-3); cursor: pointer; font-size: 15px; }
.my-del:hover { color: var(--danger); }

/* 目录 */
.toc {
  background: #f8fafd; border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 16px; margin: 0 0 18px;
}
.toc-title { font-size: 12px; color: var(--text-3); margin-bottom: 6px; letter-spacing: .04em; }
.toc ol { margin: 0; padding-left: 20px; columns: 2; column-gap: 26px; }
.toc li { margin: 3px 0; font-size: 13px; }
.toc a { color: var(--text-2); }
.toc a:hover { color: var(--primary); }

/* 相关词条 */
.related { margin-top: 30px; padding-top: 18px; border-top: 1px dashed var(--line-strong); }
.related-title { font-size: 13px; color: var(--text-3); margin-bottom: 8px; }
.related-list { display: flex; flex-wrap: wrap; gap: 8px; }
.related-list a {
  display: inline-flex; align-items: center; gap: 6px;
  background: #f4f7fd; border: 1px solid var(--line);
  border-radius: 999px; padding: 5px 12px; font-size: 12.5px; color: var(--text-2);
}
.related-list a:hover { border-color: #c7d8ff; color: var(--primary); background: #eaf1ff; }
.related-list a span { color: var(--text-3); font-size: 11px; }

/* 回答来源 */
.src-box { margin-top: 10px; border-top: 1px dashed var(--line); padding-top: 8px; }
.src-title { font-size: 11.5px; color: var(--text-3); margin-bottom: 5px; }
.src-item {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 8px; border-radius: 6px; background: #f7faff;
  border: 1px solid #e3ebfb; margin-bottom: 4px; font-size: 12px;
}
.src-item:hover { background: #eaf1ff; }
.src-name { color: var(--primary); font-weight: 600; }
.src-sec { color: var(--text-2); flex: 1; }
.src-score { color: var(--text-3); font-size: 11px; }

.msg-actions { margin-top: 8px; display: flex; gap: 6px; }
.mini-btn {
  border: 1px solid var(--line); background: #fff; color: var(--text-2);
  border-radius: 6px; padding: 3px 9px; font-size: 11.5px; cursor: pointer; font-family: inherit;
}
.mini-btn:hover { border-color: #c7d8ff; color: var(--primary); background: #f4f8ff; }

.cited-note { font-size: 12px; color: var(--text-3); }
.ans-body { white-space: pre-wrap; margin: 8px 0; line-height: 1.75; }
.bubble .more { font-size: 13px; color: var(--text-2); background: #f8fafd; border-left: 2px solid var(--line-strong); padding: 6px 10px; border-radius: 0 6px 6px 0; }
.bubble h3 { margin: 10px 0 6px; font-size: 14px; }
.bubble ul, .bubble ol { padding-left: 20px; margin: 6px 0; }
.bubble p { margin: 6px 0; }

/* 建议问题 */
.suggests { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.sug {
  border: 1px solid var(--line); background: #f7f9fc; color: var(--text-2);
  border-radius: 999px; padding: 4px 10px; font-size: 11.5px; cursor: pointer; font-family: inherit;
}
.sug:hover { border-color: #c7d8ff; color: var(--primary); background: #eaf1ff; }

/* 按钮激活态 */
.btn-ghost.is-on { background: #e7f7ee; color: #047857; border-color: #a7f3d0; }
.kid-flag { color: var(--warn); font-size: 11px; }

/* 轻提示 */
.flash {
  position: fixed; left: 50%; bottom: 40px; transform: translate(-50%, 12px);
  background: #1f2430; color: #fff; padding: 9px 18px; border-radius: 8px;
  font-size: 13px; opacity: 0; transition: all .25s; z-index: 200;
  box-shadow: 0 8px 20px rgba(0,0,0,.18);
}
.flash.show { opacity: 1; transform: translate(-50%, 0); }

/* 编辑器弹窗 */
.modal-mask {
  position: fixed; inset: 0; background: rgba(15,23,42,.42);
  display: grid; place-items: center; z-index: 300; padding: 20px;
}
.modal {
  width: min(760px, 100%); max-height: 86vh; display: flex; flex-direction: column;
  background: #fff; border-radius: 14px; box-shadow: 0 20px 50px rgba(0,0,0,.2);
}
.modal-head {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 20px; border-bottom: 1px solid var(--line);
}
.modal-sub { font-size: 12px; color: var(--text-3); }
.modal-x { margin-left: auto; border: 0; background: transparent; font-size: 20px; cursor: pointer; color: var(--text-3); }
.modal-body { padding: 16px 20px; overflow-y: auto; }
.modal-body label { display: block; font-size: 12px; color: var(--text-3); margin-bottom: 10px; }
.modal-body input, .modal-body textarea {
  width: 100%; margin-top: 5px; padding: 8px 10px;
  border: 1px solid var(--line); border-radius: 8px;
  font: inherit; font-size: 13.5px; color: var(--text); outline: 0;
}
.modal-body textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; line-height: 1.6; }
.modal-body input:focus, .modal-body textarea:focus { border-color: var(--primary); }
.modal-hint { font-size: 12px; color: var(--text-3); margin: 4px 0 8px; }
.modal-foot { display: flex; gap: 8px; padding: 14px 20px; border-top: 1px solid var(--line); }
.modal-foot .btn-ghost { border-color: var(--line); }

/* 深色主题 */
body.dark {
  --bg: #12151c; --panel: #191d26; --line: #262c39; --line-strong: #333b4d;
  --text: #e6e9f0; --text-2: #b3bacb; --text-3: #7d869b;
  --primary: #5b8cff; --primary-2: #6d99ff; --primary-soft: #1c2740;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 14px rgba(0,0,0,.35);
}
body.dark .topbar, body.dark .ai-panel, body.dark .entry,
body.dark .progress-box, body.dark .modal, body.dark .search-results { background: var(--panel); }
body.dark .sidebar, body.dark .content, body.dark .ai-body { background: var(--bg); }
body.dark .module-item:hover, body.dark .sr-item:hover { background: #1e2431; }
body.dark .entry th, body.dark .term-card, body.dark .toc,
body.dark .my-empty, body.dark .related-list a { background: #1e2431; }
body.dark .entry code, body.dark .bubble code { background: #1e2431; color: #ff9ec4; }
body.dark .search { background: #1e2431; }
body.dark .btn-line, body.dark .chip, body.dark .sug, body.dark .stat-pill,
body.dark .mini-btn, body.dark .src-item { background: #1e2431; border-color: var(--line); }
body.dark mark { background: #6b5a00; }
body.dark .callout { filter: brightness(.92); }
body.dark .md-code { background: #12151c; }
body.dark .bubble.notice { background: #2a2410; border-color: #4d4118; }

/* 引擎标识 / 提示 / 模型输出 */
.mode-tag {
  display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px;
  margin-bottom: 8px; letter-spacing: .02em;
}
.mode-tag.local { background: #e7f7ee; color: #047857; border: 1px solid #a7f3d0; }
.mode-tag.llm { background: #eef2ff; color: #4338ca; border: 1px solid #c7d2fe; }
.bubble.notice {
  background: #fffbeb; border-color: #fde68a; color: #92400e; font-size: 12.5px; line-height: 1.6;
}
.lg-row { display: flex; gap: 10px; }
.lg-row label { flex: 1; }
.md-code {
  background: #f6f8fb; border: 1px solid var(--line); border-radius: 6px;
  padding: 8px 10px; font-size: 12px; overflow-x: auto; margin: 6px 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.bubble h3, .bubble h4, .bubble h5 { margin: 10px 0 4px; font-size: 13.5px; color: var(--text); }
.bubble em { color: var(--text-2); }