/* 知屿 · 个人知识库 —— Windows 12 玻璃拟态，无渐变，双主题 */

:root {
  --bg: #e8ecf3;
  --bg-accent: #dbe3ee;
  --surface: rgba(255, 255, 255, 0.62);
  --surface-strong: rgba(255, 255, 255, 0.86);
  --surface-hover: rgba(255, 255, 255, 0.9);
  --border: rgba(20, 32, 56, 0.10);
  --border-strong: rgba(20, 32, 56, 0.16);
  --text: #1b2434;
  --text-2: #5c6678;
  --text-3: #8a93a5;
  --accent: #2f6bed;
  --accent-text: #ffffff;
  --accent-soft: rgba(47, 107, 237, 0.12);
  --danger: #d13438;
  --danger-soft: rgba(209, 52, 56, 0.10);
  --ok: #0f7b4d;
  --warn: #9a6700;
  --shadow: 0 8px 32px rgba(20, 32, 56, 0.14);
  --shadow-sm: 0 2px 10px rgba(20, 32, 56, 0.08);
  --radius: 14px;
  --radius-sm: 9px;
  --blur: blur(28px) saturate(1.6);
}
[data-theme="dark"] {
  --bg: #10141b;
  --bg-accent: #171d27;
  --surface: rgba(30, 37, 48, 0.62);
  --surface-strong: rgba(36, 44, 57, 0.88);
  --surface-hover: rgba(46, 56, 72, 0.85);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #e7ecf4;
  --text-2: #9aa5b8;
  --text-3: #6b7688;
  --accent: #5b8cff;
  --accent-text: #0c1220;
  --accent-soft: rgba(91, 140, 255, 0.16);
  --danger: #ff6b6e;
  --danger-soft: rgba(255, 107, 110, 0.12);
  --ok: #4cc38a;
  --warn: #e2b341;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: "Segoe UI Variable", "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  overflow: hidden;
}
::selection { background: var(--accent-soft); }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 8px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }

.ic { flex: none; vertical-align: -3px; }

button, input, textarea, select {
  font: inherit;
  color: inherit;
}
button { cursor: pointer; background: none; border: none; }
a { color: var(--accent); text-decoration: none; }

/* ---------- 通用控件 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 15px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); transition: background .15s, border-color .15s;
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  white-space: nowrap;
}
.btn:hover { background: var(--surface-hover); border-color: var(--border-strong); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--accent); border-color: transparent; color: var(--accent-text); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: var(--danger-soft); border-color: var(--danger); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.ghost:hover { background: var(--surface-hover); }
.btn.sm { padding: 5px 10px; font-size: 13px; border-radius: 8px; }
.btn.xs { padding: 3px 9px; font-size: 12px; border-radius: 6px; flex: none; }
.btn.icon-only { padding: 8px; }

.input, textarea.input, select.input {
  width: 100%; padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  outline: none; transition: border-color .15s;
}
.input:focus { border-color: var(--accent); }
textarea.input { resize: vertical; min-height: 70px; }
label.field { display: block; margin-bottom: 14px; }
label.field > span { display: block; font-size: 12px; color: var(--text-2); margin-bottom: 6px; }

/* ---------- 登录 / 注册页 ---------- */
.auth-wrap {
  height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--bg);
}
.auth-card {
  width: 400px; padding: 38px 36px 30px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; box-shadow: var(--shadow);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
}
.auth-card .brand { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.auth-card .brand img { width: 40px; height: 40px; border-radius: 11px; }
.auth-card h1 { font-size: 20px; font-weight: 600; }
.auth-card .sub { color: var(--text-2); font-size: 13px; margin-bottom: 24px; }
.auth-card .foot { margin-top: 16px; text-align: center; color: var(--text-2); font-size: 13px; }
.auth-card .foot a { font-weight: 600; }
.form-err { color: var(--danger); font-size: 13px; min-height: 18px; margin-bottom: 8px; }
.ok-msg { color: var(--text-2); font-size: 13px; background: var(--bg-hover, rgba(51,112,255,.08)); border-radius: 8px; padding: 8px 12px; margin-bottom: 10px; line-height: 1.5; }
.auth-theme { position: fixed; top: 18px; right: 18px; }

/* ---------- 应用骨架 ---------- */
.shell {
  height: 100vh; padding: 0;
  background: var(--bg);
  display: flex; flex-direction: column;
}
.window {
  position: relative;
  flex: 1; display: flex; flex-direction: column; min-height: 0;
  background: var(--surface); border: none;
  border-radius: 0; box-shadow: none;
  overflow: hidden;
}
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-strong);
}
.topbar .brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.topbar .brand img { width: 28px; height: 28px; border-radius: 8px; }
.topbar .search {
  position: relative;
  flex: 1; max-width: 420px; display: flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 7px 12px; color: var(--text-2);
}
.topbar .search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.topbar .search input { border: none; background: none; outline: none; flex: 1; color: var(--text); font-size: 13.5px; min-width: 0; }
.top-search input:not(:placeholder-shown) ~ .s-kbd, .top-search input:focus ~ .s-kbd { display: none; }
.search-drop {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow-lg, 0 12px 32px rgba(0,0,0,.14));
  padding: 8px; z-index: 80; max-height: 62vh; overflow-y: auto;
}
.search-drop .gres { margin-top: 0; max-height: none; }
.spacer { flex: 1; }
.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent); color: var(--accent-text);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600; cursor: pointer;
}
.body { flex: 1; display: flex; min-height: 0; }

/* ---------- 侧栏 ---------- */
.sidebar {
  width: 272px; flex: none; display: flex; flex-direction: column;
  border-right: 1px solid var(--border); background: var(--surface);
  min-height: 0;
}
.side-head {
  display: flex; align-items: center; gap: 6px;
  padding: 12px 12px 8px;
}
.side-head .title { flex: 1; font-size: 13px; font-weight: 600; color: var(--text-2); }
.tree { flex: 1; overflow-y: auto; padding: 2px 8px 12px; min-height: 0; }
.tree-item {
  display: flex; align-items: center; gap: 7px;
  padding: 7px 9px; border-radius: 8px; cursor: pointer;
  color: var(--text); font-size: 13.5px;
  border: 1px solid transparent;
}
.tree-item:hover { background: var(--surface-hover); }
.tree-item.active { background: var(--accent-soft); border-color: var(--accent); font-weight: 600; }
.tree-item .label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tree-item .vis-ic { color: var(--text-3); }
.tree-item.cheat { color: var(--text-2); }
.side-empty { color: var(--text-3); font-size: 13px; text-align: center; padding: 30px 10px; }
.side-foot { border-top: 1px solid var(--border); padding: 12px 14px; background: var(--surface); }
.foot-actions { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.foot-actions .avatar { width: 28px; height: 28px; font-size: 12px; flex-shrink: 0; }
.foot-name { font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.set-user { display: flex; align-items: center; gap: 12px; padding: 4px 4px 12px; border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.set-item { width: 100%; text-align: left; display: flex; align-items: center; gap: 10px; padding: 10px 11px; border-radius: 8px; font-size: 13.5px; }
.set-item:hover { background: var(--surface-hover); }
.set-item.danger { color: var(--danger); }
.dlg-msg { font-size: 13.5px; color: var(--text); line-height: 1.6; padding: 4px 2px 10px; }
.meter { margin-bottom: 10px; }
.meter .row { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-2); margin-bottom: 5px; }
.meter .bar { height: 6px; border-radius: 4px; background: var(--border); overflow: hidden; }
.meter .bar > i { display: block; height: 100%; background: var(--accent); border-radius: 4px; }
.meter .bar > i.warn { background: var(--warn); }
.meter .bar > i.danger { background: var(--danger); }

/* ---------- 主区 ---------- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; background: var(--surface-strong); }
.doc-scroll { flex: 1; overflow-y: auto; min-height: 0; }
.doc-inner { max-width: 860px; margin: 0 auto; padding: 34px 44px 80px; min-height: 100%; box-sizing: border-box; }

.doc-head { margin-bottom: 8px; }
.doc-title { font-size: 26px; font-weight: 650; line-height: 1.35; margin: 8px 0 10px; word-break: break-word; }
.doc-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; color: var(--text-2); font-size: 12.5px; margin-bottom: 18px; }
.doc-actions { display: flex; gap: 8px; margin-left: auto; }

.chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; padding: 3px 9px; border-radius: 99px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text-2);
}
.chip.public { color: var(--ok); border-color: var(--ok); }
.chip.specified { color: var(--warn); border-color: var(--warn); }
.chip.private { color: var(--text-3); }

.folder-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin-top: 18px; }
.folder-card {
  display: flex; align-items: center; gap: 10px;
  padding: 15px 16px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  cursor: pointer; transition: border-color .15s;
  box-shadow: var(--shadow-sm);
}
.folder-card:hover { border-color: var(--accent); }

/* ---------- 编辑器 ---------- */
.edit-title {
  width: 100%; border: none; background: none; outline: none;
  font-size: 24px; font-weight: 650; color: var(--text);
  padding: 4px 0 8px; border-bottom: 1px solid var(--border); margin-bottom: 14px;
}
.toolbar {
  display: flex; align-items: center; gap: 4px; flex-wrap: wrap;
  padding: 6px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface); margin-bottom: 10px;
}
.toolbar button {
  width: 32px; height: 30px; border-radius: 7px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--text-2);
}
.toolbar button:hover { background: var(--surface-hover); color: var(--text); }
.toolbar .sep { width: 1px; height: 18px; background: var(--border); margin: 0 5px; }
.editor-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.editor-grid.single { grid-template-columns: 1fr; }
.editor-grid textarea {
  width: 100%; height: 55vh; padding: 14px;
  border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--surface-strong); outline: none; resize: vertical;
  font-family: Consolas, "Courier New", monospace; font-size: 13.5px; line-height: 1.7;
}
.editor-grid textarea:focus { border-color: var(--accent); }
.preview-pane {
  padding: 14px 18px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--surface-strong);
  overflow-y: auto; height: 55vh;
}
.edit-foot { display: flex; align-items: center; gap: 10px; margin-top: 14px; }
.edit-foot .hint { color: var(--text-3); font-size: 12px; }

/* ---------- Markdown 预览 ---------- */
.md { line-height: 1.8; font-size: 14.5px; word-break: break-word; }
.md h1, .md h2, .md h3 { margin: 1.2em 0 .5em; line-height: 1.4; }
.md h1 { font-size: 22px; } .md h2 { font-size: 18px; } .md h3 { font-size: 16px; }
.md p { margin: .6em 0; }
.md ul, .md ol { padding-left: 1.6em; margin: .5em 0; }
.md blockquote {
  border-left: 3px solid var(--accent); background: var(--accent-soft);
  padding: 8px 14px; border-radius: 0 8px 8px 0; margin: .8em 0; color: var(--text-2);
}
.md code {
  font-family: Consolas, monospace; font-size: 13px;
  background: var(--surface-hover); border: 1px solid var(--border);
  border-radius: 5px; padding: 1px 6px;
}
.md pre { background: var(--surface-hover); border: 1px solid var(--border); border-radius: 10px; padding: 13px 15px; overflow-x: auto; margin: .8em 0; }
.md pre code { background: none; border: none; padding: 0; }
.md a { border-bottom: 1px solid var(--accent); }
.md img.md-img { max-width: 100%; border-radius: 10px; margin: .5em 0; border: 1px solid var(--border); }
.md hr { border: none; border-top: 1px solid var(--border-strong); margin: 1.4em 0; }
.md-empty { color: var(--text-3); text-align: center; padding: 60px 0; }

/* ---------- 抽屉 ---------- */
.drawer-mask, .modal-mask {
  position: fixed; inset: 0; background: rgba(10, 14, 22, 0.35);
  backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
  z-index: 40; display: flex;
}
.drawer {
  margin-left: auto; width: 380px; height: 100%;
  background: var(--surface-strong); border-left: 1px solid var(--border);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--shadow); padding: 22px 24px; overflow-y: auto;
  display: flex; flex-direction: column;
}
.drawer h3, .modal h3 { font-size: 16px; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
.radio-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.radio-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 11px 13px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface);
}
.radio-item.sel { border-color: var(--accent); background: var(--accent-soft); }
.radio-item .t { font-weight: 600; font-size: 13.5px; display: flex; align-items: center; gap: 6px; }
.radio-item .d { font-size: 12px; color: var(--text-2); margin-top: 2px; }

/* ---------- 弹窗 ---------- */
.modal-mask { align-items: center; justify-content: center; }
.modal {
  width: 560px; max-width: 94vw; max-height: 84vh; overflow-y: auto;
  background: var(--surface-strong); border: 1px solid var(--border);
  border-radius: 16px; box-shadow: var(--shadow);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  padding: 24px 26px;
}
.modal .m-head { display: flex; align-items: center; margin-bottom: 16px; }
.modal .m-head h3 { margin: 0; flex: 1; }
.tabs { display: flex; gap: 6px; margin-bottom: 16px; }
.tabs button {
  padding: 7px 14px; border-radius: 8px; font-size: 13px;
  color: var(--text-2); border: 1px solid transparent;
}
.tabs button.on { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); font-weight: 600; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
table.tbl th, table.tbl td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
table.tbl th { color: var(--text-2); font-weight: 600; font-size: 12px; }
.code-line {
  display: flex; align-items: center; gap: 8px;
  font-family: Consolas, monospace; font-size: 13px;
  padding: 9px 12px; border-radius: 9px;
  background: var(--surface); border: 1px solid var(--border);
  margin-bottom: 8px; word-break: break-all;
}
.endpoints { margin-top: 14px; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.endpoints .ep { padding: 10px 13px; border-bottom: 1px solid var(--border); font-size: 12.5px; }
.endpoints .ep:last-child { border-bottom: none; }
.endpoints code { font-family: Consolas, monospace; color: var(--accent); }
.endpoints .ep .desc { color: var(--text-2); margin-top: 3px; }

/* ---------- 用户菜单 / Toast ---------- */
.menu {
  position: absolute; top: 54px; right: 16px; width: 230px; z-index: 50;
  background: var(--surface-strong); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: var(--shadow);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  padding: 6px;
}
.menu button {
  width: 100%; text-align: left; display: flex; align-items: center; gap: 9px;
  padding: 9px 11px; border-radius: 8px; font-size: 13.5px;
}
.menu button:hover { background: var(--surface-hover); }
.menu .danger { color: var(--danger); }

/* ---------- 账号设置弹窗 ---------- */
.avatar { position: relative; overflow: hidden; }
.avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.avatar.av-lg { width: 64px; height: 64px; font-size: 24px; cursor: default; flex: none; }
.acc-av-row { display: flex; align-items: center; gap: 16px; margin-bottom: 14px; }
.acc-av-ops { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.acc-sec {
  display: flex; align-items: center; gap: 6px;
  margin: 18px 0 10px; padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px; font-weight: 600; color: var(--text-2);
}

/* ---------- 图片尺寸选择 ---------- */
.size-pick { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 6px 0 10px; }
.size-opt {
  border: 1.5px solid var(--border); background: var(--surface);
  border-radius: 10px; padding: 12px; text-align: left; cursor: pointer;
  display: flex; flex-direction: column; gap: 4px; transition: border-color .15s, background .15s;
}
.size-opt:hover { border-color: var(--accent); }
.size-opt.on { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, var(--surface)); }
.size-bar { height: 6px; border-radius: 3px; background: var(--border); overflow: hidden; margin-bottom: 4px; }
.size-bar i { display: block; height: 100%; border-radius: 3px; background: var(--accent); }
.size-name { font-weight: 600; font-size: 13px; color: var(--text); }
.size-desc { font-size: 12px; color: var(--text-3); }

/* ---------- 头像裁剪 ---------- */
.avcrop-viewport {
  position: relative; width: 260px; height: 260px; margin: 0 auto;
  overflow: hidden; border-radius: 8px; background: #000;
  cursor: grab; touch-action: none; user-select: none; -webkit-user-select: none;
}
.avcrop-viewport:active { cursor: grabbing; }
.avcrop-viewport img { position: absolute; user-select: none; -webkit-user-drag: none; }
.avcrop-circle {
  position: absolute; left: 50%; top: 50%; width: 200px; height: 200px;
  margin: -100px 0 0 -100px; border-radius: 50%;
  border: 2px solid #fff; box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.45);
  pointer-events: none;
}
.avcrop-zoom { width: 260px; display: block; margin: 14px auto 0; accent-color: var(--accent); }

/* ---------- 分段切换（修改密码方式等） ---------- */
.seg-toggle {
  display: flex; gap: 2px; padding: 3px; margin-bottom: 14px;
  background: var(--surface-hover); border-radius: 8px;
}
.seg-toggle button {
  flex: 1; border: none; background: none; padding: 7px 0;
  border-radius: 6px; cursor: pointer; font-size: 13px; color: var(--text-2);
}
.seg-toggle button.on {
  background: var(--surface); color: var(--text); font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}
.seg-toggle button:disabled { opacity: 0.45; cursor: not-allowed; }

/* ---------- 用户聊天 ---------- */
.chat-nav {
  display: flex; align-items: center; gap: 8px; margin: 4px 8px 2px;
  padding: 9px 12px; border-radius: 8px; cursor: pointer;
  font-size: 13px; font-weight: 600; color: var(--text);
}
.chat-nav:hover { background: var(--surface-hover); }
.chat-nav.on { background: var(--surface-hover); color: var(--accent); }
.chat-nav-badge {
  background: var(--danger); color: #fff; font-size: 10px;
  min-width: 16px; height: 16px; line-height: 16px; text-align: center;
  border-radius: 8px; padding: 0 4px; flex: none;
}
/* ---- 聊天浮窗（可拖动/缩放，浮于文档上方） ---- */
.chat-win {
  position: fixed; z-index: 30; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--border-strong);
  border-radius: 12px; box-shadow: 0 18px 50px rgba(0, 0, 0, .28);
  overflow: hidden;
}
[data-theme="dark"] .chat-win { background: #242c39; }
.cw-head {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px 8px 14px; flex: none;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  cursor: move; user-select: none;
}
.cw-title { font-weight: 650; font-size: 13.5px; }
.cw-body { flex: 1; display: flex; min-height: 0; }
.cw-body .chat-list { width: 248px; }
.chat-win.max {
  left: 0 !important; top: 0 !important;
  width: 100vw !important; height: 100vh !important;
  border-radius: 0; box-shadow: none;
}
.chat-win.max .cw-head { cursor: default; }
@media (max-width: 640px) {
  .chat-win { left: 0 !important; top: 0 !important; width: 100vw !important; height: 100vh !important; border-radius: 0; }
  .cw-head { cursor: default; }
  .cw-body .chat-list { width: 40%; }
}
.chat-list {
  width: 252px; flex: none; display: flex; flex-direction: column;
  border-right: 1px solid var(--border); min-height: 0;
}
.cl-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px; font-weight: 600; font-size: 14px;
  border-bottom: 1px solid var(--border);
}
.cl-body { flex: 1; overflow-y: auto; min-height: 0; }
.cl-item { display: flex; gap: 10px; padding: 10px 12px; cursor: pointer; align-items: center; }
.cl-item.tight { gap: 6px; padding: 8px 8px 8px 12px; }
.cl-item:hover, .cl-item.on { background: var(--surface-hover); }
.cl-av { width: 36px; height: 36px; font-size: 14px; cursor: default; flex: none; }
.cl-av-g { background: #7b4dff; color: #fff; }
.cl-online {
  position: absolute; right: -1px; bottom: -1px; width: 10px; height: 10px;
  border-radius: 50%; background: #22b14c; border: 2px solid var(--surface);
}
.cl-mid { flex: 1; min-width: 0; }
.cl-name { font-weight: 600; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cl-gtag { font-size: 10px; background: var(--surface-hover); border-radius: 4px; padding: 1px 4px; color: var(--text-2); font-weight: 400; }
.cl-prev { font-size: 12px; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px; }
.cl-right { text-align: right; flex: none; display: flex; flex-direction: column; gap: 4px; align-items: flex-end; }
.cl-time { font-size: 11px; color: var(--text-3); }
.cl-badge {
  background: var(--danger); color: #fff; font-size: 10px;
  min-width: 16px; height: 16px; line-height: 16px; text-align: center;
  border-radius: 8px; padding: 0 4px;
}
.chat-room { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.cw-body .cl-head, .cr-head { height: 57px; padding-top: 0; padding-bottom: 0; } /* 两侧头部等高，分隔线齐平 */
.cr-head {
  display: flex; align-items: center; gap: 10px;
  padding: 0 16px; border-bottom: 1px solid var(--border);
}
.cr-name { font-weight: 600; font-size: 14px; }
.cr-sub {
  font-size: 12px; color: var(--text-3); margin-top: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 480px;
}
.cr-msgs { flex: 1; overflow-y: auto; padding: 16px 20px; min-height: 0; }
.cr-day { text-align: center; font-size: 11px; color: var(--text-3); margin: 10px 0; }
.cr-row { display: flex; gap: 8px; margin-bottom: 12px; align-items: flex-end; }
.cr-row.mine { flex-direction: row-reverse; }
.cr-av { width: 28px; height: 28px; font-size: 12px; cursor: default; flex: none; }
.cr-bubble-wrap { max-width: 70%; min-width: 0; }
.cr-sender { font-size: 11px; color: var(--text-3); margin-bottom: 3px; }
.cr-bubble {
  display: inline-block; background: var(--surface); border: 1px solid var(--border);
  padding: 8px 12px; border-radius: 12px; font-size: 13.5px; line-height: 1.55;
  word-break: break-word; text-align: left;
}
.cr-row.mine .cr-bubble { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.cr-bubble.cm-imgonly { padding: 4px; background: var(--surface); }
.cm-img { display: block; max-width: 160px; max-height: 160px; border-radius: 9px; cursor: zoom-in; }
#img-view { position: fixed; inset: 0; z-index: 200; background: rgba(10, 14, 20, .82); display: flex; align-items: center; justify-content: center; cursor: zoom-out; animation: kv-fade .15s; }
#img-view img { max-width: 92vw; max-height: 92vh; width: auto; height: auto; border-radius: 10px; box-shadow: 0 18px 50px rgba(0, 0, 0, .5); }
@keyframes kv-fade { from { opacity: 0; } }
.cr-text { white-space: pre-wrap; }
.chat-emj-panel {
  position: fixed; z-index: 4000; width: 288px; max-height: 216px; overflow-y: auto;
  background: #fff; border: 1px solid var(--border-strong); border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .18); padding: 8px;
  display: grid; grid-template-columns: repeat(8, 1fr); gap: 2px;
}
[data-theme="dark"] .chat-emj-panel { background: #242c39; }
.chat-emj-panel button { background: none; border: 0; font-size: 19px; padding: 4px 0; border-radius: 7px; cursor: pointer; line-height: 1.3; }
.chat-emj-panel button:hover { background: var(--surface-hover); }
.cr-time { font-size: 10px; color: var(--text-3); flex: none; align-self: flex-end; }
.cr-input {
  display: flex; gap: 10px; padding: 12px 16px;
  border-top: 1px solid var(--border); align-items: flex-end;
}
.cr-input .btn.icon-only { margin-bottom: 1px; }
.cr-input textarea {
  flex: 1; resize: none; border: 1px solid var(--border); background: var(--surface);
  border-radius: 10px; padding: 9px 12px; font: inherit; font-size: 13.5px;
  color: var(--text); outline: none; max-height: 120px;
}
.cr-input textarea:focus { border-color: var(--accent); }
.cpick-list { max-height: 300px; overflow-y: auto; border: 1px solid var(--border); border-radius: 10px; }
.cpick-item { display: flex; gap: 10px; align-items: center; padding: 8px 12px; cursor: pointer; }
.cpick-item:hover { background: var(--surface-hover); }
.cpick-item.on { background: color-mix(in srgb, var(--accent) 10%, var(--surface)); }
.cpick-check {
  margin-left: auto; width: 16px; height: 16px; border-radius: 50%;
  border: 1.5px solid var(--border-strong); flex: none;
}
.cpick-item.on .cpick-check { background: var(--accent); border-color: var(--accent); }
/* ---- 消息页 · 邻居体系 ---- */
.chat-tabs { display: flex; gap: 2px; background: var(--surface-hover); border-radius: 8px; padding: 2px; }
.ctab { font-size: 12px; padding: 4px 14px; border-radius: 6px; cursor: pointer; color: var(--text-2); font-weight: 600; user-select: none; transition: background .18s ease, color .18s ease, box-shadow .18s ease; position: relative; }
.ctab-badge { position: absolute; top: -7px; right: -9px; background: var(--danger); color: #fff; font-size: 10px; min-width: 15px; height: 15px; line-height: 15px; text-align: center; border-radius: 8px; padding: 0 4px; pointer-events: none; }
.ctab:hover { color: var(--text); }
.ctab.on { background: var(--accent); color: var(--accent-text); box-shadow: 0 1px 4px rgba(0, 0, 0, .18); }
.cl-body { animation: none; }
.cl-body.cl-fade { animation: clFadeIn .2s ease; }
@keyframes clFadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
.nb-av-ic { background: var(--accent); color: var(--accent-text); display: flex; align-items: center; justify-content: center; }
.cl-del { opacity: 0; transition: opacity .15s; flex: none; }
.cl-item:hover .cl-del { opacity: 1; }
.nb-state { font-size: 11px; color: var(--text-3); border: 1px solid var(--border-strong); border-radius: 6px; padding: 3px 8px; white-space: nowrap; flex: none; }
.nb-sec { font-size: 11px; color: var(--text-3); padding: 10px 4px 4px; }
.nbp-head { display: flex; align-items: center; gap: 8px; padding: 10px 10px 6px; }
.nbp-title { font-size: 13.5px; font-weight: 600; }
.cr-count { cursor: pointer; }
.cr-count:hover { color: var(--accent); }
.chat-plus-menu { position: fixed; width: auto; z-index: 1200; }
.chat-plus-menu button { width: 100%; justify-content: flex-start; }
.gi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); gap: 16px 6px; padding: 8px 2px 4px; }
.gi-cell { position: relative; display: flex; flex-direction: column; align-items: center; gap: 6px; cursor: default; min-width: 0; }
.gi-av { width: 44px; height: 44px; font-size: 16px; }
.gi-add { background: var(--surface-hover); color: var(--text-2); font-size: 22px; font-weight: 400; cursor: pointer; }
.gi-cell[data-act]:hover .gi-add { background: var(--accent); color: var(--accent-text); }
.gi-name { font-size: 11px; color: var(--text-2); max-width: 72px; display: flex; align-items: center; gap: 3px; overflow: hidden; white-space: nowrap; }
.gi-owner { font-style: normal; font-size: 9px; color: var(--accent); border: 1px solid var(--accent); border-radius: 4px; padding: 0 3px; flex: none; line-height: 1.4; }
.gi-kick {
  position: absolute; top: -7px; right: 6px; width: 18px; height: 18px; border-radius: 50%;
  border: 1px solid var(--border-strong); background: var(--surface-strong); color: var(--text-2);
  font-size: 10px; cursor: pointer; display: none; align-items: center; justify-content: center;
  line-height: 1; padding: 0;
}
.gi-cell:hover .gi-kick { display: flex; }
.gi-kick:hover { background: var(--danger, #d64545); color: #fff; border-color: var(--danger, #d64545); }
/* ---- 聊天悬浮球（最小化态，可拖动） ---- */
.chat-ball {
  position: fixed; z-index: 30; width: 44px; height: 44px; border-radius: 50%;
  background: var(--accent); color: var(--accent-text);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .28); cursor: grab;
  user-select: none; touch-action: none;
}
.chat-ball:active { cursor: grabbing; box-shadow: 0 10px 24px rgba(0, 0, 0, .34); }
.chat-ball svg { pointer-events: none; }
.chat-ball-badge {
  position: absolute; top: -4px; right: -4px; min-width: 18px; height: 18px; line-height: 18px;
  background: var(--danger); color: #fff; font-size: 10px; font-weight: 600;
  border-radius: 9px; padding: 0 5px; text-align: center; pointer-events: none;
}
@media (max-width: 640px) {
  .chat-ball { width: 40px; height: 40px; }
}
#toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
  background: var(--surface-strong); border: 1px solid var(--border-strong);
  border-radius: 10px; box-shadow: var(--shadow); padding: 11px 18px;
  z-index: 99; font-size: 13.5px; display: none; max-width: 80vw;
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
}
#toast.err { color: var(--danger); border-color: var(--danger); }

/* ---------- 公开分享页（飞书式） ---------- */
.pub-wrap { height: 100vh; display: flex; flex-direction: column; background: var(--bg); overflow: hidden; }
.pub-top {
  flex: none; z-index: 10;
  display: flex; align-items: center; gap: 12px;
  padding: 10px 20px;
  background: var(--surface-strong); border-bottom: 1px solid var(--border);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
}
.pub-brand { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.pub-brand img { width: 24px; height: 24px; border-radius: 6px; }
.pub-site { color: var(--text-2); font-size: 13px; padding-left: 12px; border-left: 1px solid var(--border); }
.pub-shell { flex: 1; display: flex; min-height: 0; width: 100%; }
.pub-side {
  width: 280px; flex: none; height: 100%; overflow-y: auto;
  background: var(--surface); border-right: 1px solid var(--border);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  padding: 16px 12px;
}
.pub-side-t { display: flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; color: var(--text-2); margin-bottom: 10px; }
.pub-side .input { margin-bottom: 10px; padding: 7px 10px; font-size: 13px; }
.pub-doc { display: flex; align-items: center; gap: 8px; padding: 7px 9px; border-radius: 8px; cursor: pointer; font-size: 13px; color: var(--text); }
.pub-doc:hover { background: var(--surface-hover); }
.pub-doc.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.pub-doc span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pub-doc .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--text-3); flex: none; }
.pub-doc.on .dot { background: var(--accent); }
.pub-main { flex: 1; min-width: 0; overflow-y: auto; background: var(--bg-accent); padding: 30px 40px 70px; }
.pub-card {
  max-width: 860px; margin: 0 auto; padding: 42px 52px 30px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 18px; box-shadow: var(--shadow);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
}
.pub-title { font-size: 28px; font-weight: 650; line-height: 1.35; margin-bottom: 14px; word-break: break-word; }
.pub-author { display: flex; align-items: center; gap: 9px; margin-bottom: 26px; color: var(--text-2); font-size: 13px; flex-wrap: wrap; }
.pub-author .avatar { width: 26px; height: 26px; font-size: 12px; cursor: default; }
.pub-author b { color: var(--text); }
.pub-foot { margin-top: 32px; padding-top: 18px; border-top: 1px solid var(--border); color: var(--text-3); font-size: 12.5px; display: flex; gap: 7px; align-items: center; flex-wrap: wrap; }
.pub-foot b { color: var(--text-2); }
.pub-powered {
  flex: none; z-index: 9;
  text-align: center; padding: 7px;
  background: var(--surface-strong); border-top: 1px solid var(--border);
  color: var(--text-3); font-size: 12px;
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
}
.pub-empty { text-align: center; color: var(--text-2); padding: 60px 0; }
@media (max-width: 900px) {
  .pub-side { display: none; }
  .pub-main { padding: 16px 14px 60px; }
  .pub-card { padding: 26px 20px; }
  .pub-site { display: none; }
}

/* ---------- 协同块编辑器（TipTap / ProseMirror） ---------- */
.collab-note { margin-left: auto; display: inline-flex; align-items: center; gap: 5px; color: var(--ok); font-size: 12px; }
.rich-editor { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-strong); }
.rich-editor .ProseMirror {
  min-height: 52vh; padding: 16px 18px; outline: none;
  line-height: 1.8; font-size: 14.5px; word-break: break-word;
}
.rich-editor .ProseMirror > * + * { margin-top: .7em; }
.rich-editor .ProseMirror h1, .rich-editor .ProseMirror h2, .rich-editor .ProseMirror h3 { line-height: 1.4; margin: .8em 0 .3em; }
.rich-editor .ProseMirror h1 { font-size: 22px; }
.rich-editor .ProseMirror h2 { font-size: 18px; }
.rich-editor .ProseMirror h3 { font-size: 16px; }
.rich-editor .ProseMirror ul, .rich-editor .ProseMirror ol { padding-left: 1.6em; }
.rich-editor .ProseMirror blockquote { border-left: 3px solid var(--accent); background: var(--accent-soft); padding: 8px 14px; border-radius: 0 8px 8px 0; color: var(--text-2); }
.rich-editor .ProseMirror code { font-family: Consolas, monospace; font-size: 13px; background: var(--surface-hover); border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; }
.rich-editor .ProseMirror pre { background: var(--surface-hover); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.rich-editor .ProseMirror pre code { background: none; border: none; padding: 0; }
.rich-editor .ProseMirror img { max-width: 100%; border-radius: 10px; border: 1px solid var(--border); }
.rich-editor .ProseMirror p.is-editor-empty:first-child::before {
  content: attr(data-placeholder); color: var(--text-3); float: left; height: 0; pointer-events: none;
}
.ProseMirror-selectednode { outline: 2px solid var(--accent); }
.collaboration-cursor__caret {
  border-left: 1.5px solid #ddd; border-right: 1.5px solid #ddd;
  margin-left: -1px; margin-right: -1px; pointer-events: none; position: relative; word-break: normal;
}
.collaboration-cursor__label {
  border-radius: 3px 3px 3px 0; color: #fff; font-size: 12px; font-weight: 600;
  left: -1px; line-height: normal; padding: 1px 6px; position: absolute; top: -1.5em;
  user-select: none; white-space: nowrap;
}
@media print { #rich-toolbar, .collab-note { display: none !important; } }

/* ---------- Slash 插入菜单 ---------- */
.kb-slash-menu {
  position: fixed; z-index: 100; width: 176px;
  background: var(--surface-strong); border: 1px solid var(--border-strong);
  border-radius: 10px; box-shadow: var(--shadow); padding: 5px;
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  max-height: 300px; overflow-y: auto;
}
.kb-slash-item { padding: 8px 11px; border-radius: 7px; font-size: 13px; cursor: pointer; color: var(--text); }
.kb-slash-item:hover, .kb-slash-item.on { background: var(--accent-soft); color: var(--accent); }
.online-panel { margin-left: 6px; color: var(--text-3); }

/* ---------- 协同编辑器内表格 ---------- */
.rich-editor .ProseMirror table { border-collapse: collapse; width: 100%; margin: .7em 0; font-size: 13.5px; }
.rich-editor .ProseMirror td, .rich-editor .ProseMirror th {
  border: 1px solid var(--border-strong); padding: 6px 10px; position: relative; vertical-align: top;
}
.rich-editor .ProseMirror th { background: var(--surface-hover); font-weight: 600; }
.rich-editor .ProseMirror .selectedCell:after {
  content: ''; position: absolute; inset: 0; background: var(--accent-soft); pointer-events: none;
}
.rich-editor .ProseMirror .column-resize-handle { background: var(--accent); width: 3px; position: absolute; right: -2px; top: 0; bottom: 0; }
.rich-editor .ProseMirror.resize-cursor { cursor: col-resize; }

/* ---------- 移动端微调 ---------- */
@media (max-width: 640px) {
  .topbar { padding: 8px 10px; gap: 7px; }
  .topbar .brand { font-size: 0; gap: 6px; }
  .topbar .brand img { width: 26px; height: 26px; }
  .topbar .search .s-ph { display: none; }
  .doc-meta { gap: 6px; }
  .doc-actions { margin-left: 0; width: 100%; flex-wrap: wrap; }
}

@media (max-width: 900px) {
  .sidebar { width: 220px; }
  .editor-grid { grid-template-columns: 1fr; }
  .doc-inner { padding: 22px 20px 60px; }
}

/* ---------- 面包屑 ---------- */
.crumbs { display: flex; align-items: center; gap: 4px; color: var(--text-2); font-size: 12.5px; margin: 2px 0 12px; flex-wrap: wrap; }
.crumbs .crumb { display: inline-flex; align-items: center; gap: 5px; padding: 3px 8px; border-radius: 7px; cursor: pointer; max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.crumbs .crumb:hover { background: var(--surface-hover); color: var(--text); }
.crumbs .crumb.cur { color: var(--text); font-weight: 600; cursor: default; }
.crumbs .crumb.cur:hover { background: none; }
.crumbs > svg { color: var(--text-3); }

/* ---------- 封面 ---------- */
.doc-cover { width: 100%; max-height: 260px; object-fit: cover; border-radius: 14px; border: 1px solid var(--border); margin-bottom: 16px; display: block; }
.cover-prev { display: flex; align-items: center; gap: 10px; }
.cover-prev img { width: 150px; height: 84px; object-fit: cover; border-radius: 9px; border: 1px solid var(--border); }

/* ---------- 目录大纲 ---------- */
.doc-layout { display: flex; flex-direction: row; gap: 20px; align-items: flex-start; }
.doc-col { flex: 1 1 auto; min-width: 0; order: 1; }
.outline { position: sticky; top: 34px; width: 196px; flex: none; order: 2; margin-left: auto; max-height: 70vh; overflow-y: auto; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 12px 8px; backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); box-shadow: var(--shadow-sm); }
.o-title { font-size: 12px; font-weight: 600; color: var(--text-2); padding: 0 8px 8px; }
.o-item { font-size: 12.5px; color: var(--text-2); padding: 5px 8px; border-radius: 7px; cursor: pointer; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.o-item:hover { background: var(--surface-hover); color: var(--text); }
.o-item.o-h3 { padding-left: 24px; }
.o-item.o-h1 { font-weight: 600; color: var(--text); }
@media (max-width: 1180px) { .outline { display: none; } }

/* ---------- 自定义悬停气泡（替代原生 title） ---------- */
.g-tip {
  position: fixed; z-index: 999; pointer-events: none;
  background: #1f2329; color: #fff;
  font-size: 12px; line-height: 1; padding: 7px 10px; border-radius: 7px;
  white-space: nowrap; opacity: 0; transform: translateY(3px);
  transition: opacity .12s ease, transform .12s ease;
  box-shadow: 0 4px 14px rgba(0,0,0,.2);
}
.g-tip.on { opacity: 1; transform: translateY(0); }

/* ---------- 登录图片验证码 ---------- */
.cap-row { display: flex; gap: 8px; align-items: stretch; }
.cap-row .input { flex: 1; min-width: 0; }
.cap-row img { height: 42px; border-radius: 8px; border: 1px solid var(--border); cursor: pointer; flex: none; display: block; }

/* ---------- 全局搜索 ---------- */
.search { cursor: pointer; }
.search .s-ph { flex: 1; font-size: 13px; }
.s-kbd { font-size: 11px; border: 1px solid var(--border-strong); border-radius: 5px; padding: 1px 6px; color: var(--text-3); }
.gres { margin-top: 14px; max-height: 50vh; overflow-y: auto; }
.gres-item { display: flex; gap: 10px; padding: 11px 12px; border-radius: 10px; cursor: pointer; border: 1px solid transparent; align-items: flex-start; }
.gres-item:hover { background: var(--surface-hover); border-color: var(--border); }
.gres-title { font-weight: 600; font-size: 13.5px; }
.gres-sn { font-size: 12.5px; color: var(--text-2); margin-top: 3px; line-height: 1.55; }
.gres mark { background: var(--accent-soft); color: var(--accent); border-radius: 3px; padding: 0 2px; }

/* ---------- 评论 ---------- */
.comments { margin-top: 36px; border-top: 1px solid var(--border); padding-top: 18px; }
.comments h4 { display: flex; align-items: center; gap: 7px; font-size: 14px; margin-bottom: 12px; }
.c-item { display: flex; gap: 10px; padding: 10px 0; }
.c-item .avatar { width: 26px; height: 26px; font-size: 12px; cursor: default; flex: none; }
.c-meta { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-2); }
.c-meta b { color: var(--text); font-size: 13px; }
.c-meta button { margin-left: auto; }
.c-text { font-size: 13.5px; margin-top: 3px; line-height: 1.6; word-break: break-word; }
.c-empty { color: var(--text-3); font-size: 13px; padding: 8px 0 14px; }
.c-input { display: flex; gap: 8px; margin-top: 8px; }
.c-input .input { flex: 1; }

/* ---------- Markdown 增强：表格 / 任务清单 / 高亮 ---------- */
.md .md-tbl { border-collapse: collapse; width: 100%; margin: .8em 0; font-size: 13.5px; }
.md .md-tbl th, .md .md-tbl td { border: 1px solid var(--border-strong); padding: 7px 11px; text-align: left; }
.md .md-tbl th { background: var(--surface-hover); font-weight: 600; }
.md .md-tbl tr:nth-child(even) td { background: var(--surface); }
.md mark { background: rgba(255, 213, 79, 0.35); color: inherit; border-radius: 3px; padding: 0 3px; }
.md li.md-task { list-style: none; display: flex; align-items: flex-start; gap: 7px; margin-left: -1.4em; }
.md li.md-task input { margin-top: 5px; accent-color: var(--accent); }
.md li.md-task:has(input:checked) span { color: var(--text-3); text-decoration: line-through; }

/* ---------- 侧栏分区 / 拖拽 / 折叠 ---------- */
.side-sec { display: flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 600; color: var(--text-3); padding: 12px 10px 4px; }
.tree-item.drop-hint { outline: 2px dashed var(--accent); background: var(--accent-soft); }
.tree.drop-hint { outline: 2px dashed var(--accent); outline-offset: -4px; border-radius: 8px; }
.window.side-hidden .sidebar { display: none; }
.btn.starred { color: var(--warn); border-color: var(--warn); }
.btn.starred svg { fill: var(--warn); }

/* ---------- 回收站 / 版本 / 灯箱 ---------- */
.trash-row { display: flex; align-items: center; gap: 10px; padding: 10px 4px; border-bottom: 1px solid var(--border); }
.trash-row .t-meta { display: block; font-size: 12px; color: var(--text-3); margin-top: 2px; }
details.ver { border: 1px solid var(--border); border-radius: 10px; padding: 10px 13px; margin-bottom: 10px; background: var(--surface); }
details.ver summary { cursor: pointer; display: flex; align-items: center; gap: 8px; font-size: 13px; list-style: none; }
details.ver summary::-webkit-details-marker { display: none; }
details.ver summary .btn { margin-left: auto; }
.ver-pre { margin-top: 10px; font-size: 12px; color: var(--text-2); white-space: pre-wrap; word-break: break-word; max-height: 200px; overflow-y: auto; background: var(--surface-hover); border-radius: 8px; padding: 10px; }

/* ---------- 版本 diff ---------- */
.diff-legend { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.d-legend { font-size: 12px; padding: 2px 10px; border-radius: 20px; }
.d-lg-add { background: rgba(52,199,89,.15); color: #1d8a43; }
.d-lg-del { background: rgba(255,59,48,.12); color: #c53030; }
.diff-box { max-height: 62vh; overflow: auto; font-family: Consolas, 'Courier New', monospace; font-size: 12.5px; line-height: 1.55; border: 1px solid var(--border); border-radius: 10px; }
.d-line { padding: 1px 12px; white-space: pre-wrap; word-break: break-all; color: var(--text); }
.d-mark { display: inline-block; width: 16px; color: var(--text-3); user-select: none; }
.d-add { background: rgba(52,199,89,.14); }
.d-del { background: rgba(255,59,48,.11); text-decoration: none; }
.d-skip { color: var(--text-3); text-align: center; font-size: 11.5px; padding: 3px; background: var(--surface-hover); }

/* ---------- 评论回复/解决 ---------- */
.c-ops { display: flex; gap: 6px; margin-top: 5px; }
.c-ops .btn { font-size: 12px; padding: 2px 10px; }
.c-replies { margin-top: 8px; margin-left: 34px; padding-left: 12px; border-left: 2px solid var(--border); display: flex; flex-direction: column; gap: 8px; }
.c-item.is-reply .avatar { width: 24px; height: 24px; font-size: 12px; }
.c-item.resolved { opacity: .68; }
.c-item.resolved .c-text { text-decoration: line-through; }
.c-res-chip { font-size: 11px; color: #1d8a43; background: rgba(52,199,89,.14); border-radius: 20px; padding: 1px 8px; }
.reply-hint { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-2); background: var(--surface-hover); border-radius: 8px; padding: 6px 10px; margin-bottom: 8px; }

/* ---------- 成员勾选 / 图片库 ---------- */
.user-picks { display: flex; flex-wrap: wrap; gap: 6px; max-height: 150px; overflow: auto; border: 1px solid var(--border); border-radius: 8px; padding: 8px; }
.user-picks .pick { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; padding: 3px 10px; border: 1px solid var(--border); border-radius: 20px; cursor: pointer; }
.user-picks .pick:has(input:checked) { background: rgba(51,112,255,.1); border-color: var(--primary, #3370ff); }
.img-lib-meta { font-size: 13px; color: var(--text-2); margin-bottom: 10px; }
.img-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; max-height: 60vh; overflow: auto; }
.img-cell { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: var(--surface-hover); }
.img-cell img { width: 100%; height: 96px; object-fit: cover; display: block; cursor: zoom-in; }
.img-info { display: flex; align-items: center; justify-content: space-between; padding: 5px 8px; font-size: 12px; color: var(--text-2); }
.lightbox-img { max-width: 100%; max-height: 70vh; display: block; margin: 0 auto; border-radius: 10px; }

/* ---------- 打印（导出 PDF） ---------- */
@media print {
  body { overflow: visible; background: #fff; }
  .shell { height: auto; padding: 0; }
  .window { border: none; box-shadow: none; border-radius: 0; background: #fff; }
  .topbar, .sidebar, .doc-actions, .comments .c-input, .outline, #toast, .drawer-mask, .modal-mask { display: none !important; }
  .doc-scroll { overflow: visible; }
  .doc-inner { max-width: 100%; padding: 0; }
  .main { background: #fff; }
}

/* ---------- 空间切换 ---------- */
.space-btn {
  flex: 1; min-width: 0; display: flex; align-items: center; gap: 7px;
  padding: 6px 9px; border-radius: 9px; color: var(--text);
  border: 1px solid transparent; font-weight: 600;
}
.space-btn:hover { background: var(--surface-hover); border-color: var(--border); }
.space-btn .title { flex: 1; text-align: left; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13.5px; }
.space-menu { width: 250px; }
.space-menu .menu-cap { font-size: 11.5px; font-weight: 600; color: var(--text-3); padding: 6px 11px 4px; }
.space-menu button.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.menu-div { height: 1px; background: var(--border); margin: 5px 4px; }

/* ---------- 标签 ---------- */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; padding: 4px 10px 10px; }
.tag-pill {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; padding: 2px 9px; border-radius: 99px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text-2); cursor: pointer; user-select: none;
}
.tag-pill:hover { border-color: var(--accent); color: var(--accent); }
.tag-pill.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 600; }
.tag-pill i { font-style: normal; font-size: 10.5px; color: var(--text-3); }
.tag-pill.sm { cursor: default; padding: 1px 8px; font-size: 11.5px; }
.tag-row { display: inline-flex; gap: 5px; flex-wrap: wrap; }
.graph-chip { cursor: pointer; }
.graph-chip:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- 反向链接 ---------- */
.backlinks { margin-top: 30px; border-top: 1px solid var(--border); padding-top: 16px; }
.backlinks h4 { display: flex; align-items: center; gap: 7px; font-size: 14px; margin-bottom: 10px; }
.bl-row {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px; border-radius: 9px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface);
  margin-bottom: 6px; font-size: 13px; color: var(--accent);
}
.bl-row:hover { border-color: var(--accent); }
.bl-row .label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.bl-row .t-meta { color: var(--text-3); font-size: 11.5px; }
.bl-row svg { color: var(--text-3); }

/* ---------- 正文内双链 ---------- */
.md .md-doclink {
  color: var(--accent); border-bottom: 1px dashed var(--accent);
  cursor: pointer; font-weight: 500;
}
.md .md-doclink:hover { background: var(--accent-soft); }

/* ---------- 知识图谱 ---------- */
.graph-wrap { border: 1px solid var(--border); border-radius: 12px; background: var(--surface); padding: 6px; }
.graph-wrap svg { display: block; }
.g-edge { stroke: var(--border-strong); stroke-width: 1.6; }
.g-node { cursor: pointer; }
.g-node circle { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 1.5; transition: fill .15s; }
.g-node:hover circle { fill: var(--accent); }
.g-node text { fill: var(--accent); font-size: 12px; font-weight: 600; pointer-events: none; }
.g-node:hover text { fill: var(--accent-text); }
.g-node .g-label { fill: var(--text-2); font-size: 11px; font-weight: 400; }
.g-node:hover .g-label { fill: var(--text); }

/* ---------- 模板选择 ---------- */
.tpl-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.tpl-card {
  display: flex; flex-direction: column; gap: 5px; align-items: flex-start;
  padding: 14px; border-radius: 12px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface);
  transition: border-color .15s;
}
.tpl-card:hover { border-color: var(--accent); background: var(--accent-soft); }
.tpl-card .t { font-weight: 600; font-size: 13.5px; }
.tpl-card .d { font-size: 12px; color: var(--text-2); line-height: 1.5; }
.tpl-card svg { color: var(--accent); }

/* ---------- 搜索结果选中态 ---------- */
.gres-item.on { background: var(--accent-soft); border-color: var(--accent); }

/* ---- 小岛 · AI 会话框（浮窗，复用聊天 .cr-* 气泡） ---- */
.island-win {
  position: fixed; z-index: 31; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--border-strong);
  border-radius: 12px; box-shadow: 0 18px 50px rgba(0, 0, 0, .28);
  overflow: hidden;
}
[data-theme="dark"] .island-win { background: #242c39; }
.iw-head {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px 8px 14px; flex: none;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  cursor: move; user-select: none;
}
.iw-sub { font-size: 11px; color: var(--text-3); }
.is-av { background: var(--accent); color: var(--accent-text); }
.island-bubble { max-width: 100%; }
.island-bubble .island-md { font-size: 13.5px; line-height: 1.65; }
.island-bubble .island-md > :first-child { margin-top: 0; }
.island-bubble .island-md > :last-child { margin-bottom: 0; }
.island-bubble .island-md h1, .island-bubble .island-md h2, .island-bubble .island-md h3 { font-size: 14px; margin: .7em 0 .35em; }
.island-bubble .island-md pre { margin: .5em 0; padding: 10px 12px; max-height: 300px; overflow: auto; }
.iw-copy-row { margin-top: 3px; }
.iw-copy { background: none; border: 0; color: var(--text-3); font-size: 11px; cursor: pointer; padding: 2px 4px; }
.iw-copy:hover { color: var(--accent); }
.iw-quick { display: none; flex-wrap: wrap; gap: 8px; padding: 10px 16px 0; }
.iw-chip {
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--text-2);
  font-size: 12px; padding: 4px 12px; border-radius: 999px; cursor: pointer; user-select: none;
}
.iw-chip:hover { border-color: var(--accent); color: var(--accent); }
.iw-chip.primary { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 600; }
.iw-chip.on { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.iw-input { padding: 10px 14px 12px; }
.iw-think { color: var(--text-3); font-size: 13px; }
.iw-think i { animation: iw-blink 1.2s infinite; font-style: normal; }
.iw-think i:nth-child(2) { animation-delay: .2s; }
.iw-think i:nth-child(3) { animation-delay: .4s; }
@keyframes iw-blink { 0%, 60%, 100% { opacity: .2; } 30% { opacity: 1; } }
@media (max-width: 640px) {
  .island-win { left: 0 !important; top: 0 !important; width: 100vw !important; height: 100vh !important; border-radius: 0; }
  .iw-head { cursor: default; }
}