/* ═══════════════════════════════════════════════
   在线协作文档编辑器 — 完全使用现有主题变量
   ═══════════════════════════════════════════════ */

/* ─── 文档列表页 ─── */
.oc-page{padding:0}
.oc-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:12px}
.oc-header h2{font-family:var(--font-display);font-size:var(--fs-3);font-weight:600;color:var(--text-bright)}
.oc-header-actions{display:flex;gap:8px}

/* ─── 文档卡片（图文缩略图样式） ─── */
.oc-doc-thumb-card{
  background:#fff;
  border:none;
  border-radius:var(--r-lg);
  overflow:hidden;
  cursor:pointer;
  box-shadow:var(--shadow-md);
  transition:transform .45s var(--ease-out),box-shadow .45s var(--ease-out);
  display:flex;
  flex-direction:column;
}
.oc-doc-thumb-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-lg);
}
.oc-doc-thumb{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  background:linear-gradient(135deg,var(--accent) 0%,var(--grad-b) 100%);
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
}
.oc-doc-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease-out);
}
.oc-doc-thumb-card:hover .oc-doc-thumb img{transform:scale(1.04)}
.oc-doc-thumb-placeholder{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  color:rgba(255,255,255,0.9);
}
.oc-doc-thumb-placeholder svg{width:36px;height:36px;opacity:.7;stroke:rgba(255,255,255,0.8)}
.oc-doc-thumb-placeholder span{font-size:var(--fs-2);opacity:.8;color:rgba(255,255,255,0.9)}
.oc-doc-thumb-badge{
  position:absolute;
  top:8px;
  right:8px;
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:2px 8px;
  border-radius:var(--r-full);
  background:rgba(0,0,0,.45);
  backdrop-filter:blur(6px);
  color:#fff;
  font-size:var(--fs-1);
  font-weight:600;
}
.oc-doc-thumb-badge svg{width:10px;height:10px}

.oc-doc-thumb-footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:10px 16px;
  border-top:1px solid var(--border-subtle);
  background:#fff;
}
.oc-doc-thumb-meta{display:flex;align-items:center;gap:6px;font-size:var(--fs-1);color:var(--text-3)}
.oc-doc-thumb-meta span{display:flex;align-items:center;gap:3px}

/* ─── 文档网格 ─── */
.oc-doc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(18rem,1fr));gap:1rem}

/* ─── 编辑器页面 ─── */
.oc-editor-layout{display:flex;height:calc(100vh - 175px);gap:0;border:1px solid var(--border-subtle);border-radius:12px;overflow:hidden;background:var(--bg-card);min-height:420px}
.oc-editor-main{flex:1;display:flex;flex-direction:column;min-width:0}

/* 工具栏 */
.oc-toolbar{display:flex;align-items:center;gap:2px;padding:6px 12px;border-bottom:1px solid var(--border-subtle);background:var(--bg-elevated);flex-wrap:wrap;flex-shrink:0}
.oc-tb-sep{width:1px;height:20px;background:var(--border-subtle);margin:0 6px;flex-shrink:0}
.oc-tb-btn{width:1.875rem;height:1.75rem;border-radius:4px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:all .15s;flex-shrink:0;font-size:var(--fs-2);font-weight:600}
.oc-tb-btn:hover{background:var(--accent-bg);color:var(--text-bright)}
.oc-tb-btn.active{background:var(--accent-bg);color:var(--accent)}
.oc-tb-btn svg{width:15px;height:15px}
.oc-tb-dropdown{position:relative;flex-shrink:0}
.oc-tb-dropdown-trigger{height:28px;padding:0 8px;border-radius:4px;display:flex;align-items:center;gap:4px;font-size:var(--fs-1);color:var(--text-secondary);transition:all .15s;white-space:nowrap;min-width:50px;cursor:pointer}
.oc-tb-dropdown-trigger:hover{background:var(--accent-bg);color:var(--text-bright)}
.oc-tb-dropdown-menu{position:absolute;top:calc(100% + 4px);left:0;background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.12);min-width:140px;padding:4px;display:none;z-index:100}
.oc-tb-dropdown.open .oc-tb-dropdown-menu{display:block}
.oc-tb-dropdown.right .oc-tb-dropdown-menu{left:auto;right:0}
.oc-tb-dd-item{padding:6px 10px;border-radius:4px;cursor:pointer;font-size:var(--fs-1);transition:background .12s}
.oc-tb-dd-item:hover{background:var(--accent-bg)}
.oc-tb-dd-item.selected{background:var(--accent-bg);color:var(--accent);font-weight:600}

/* 编辑区（WPS 页面视图：固定纸张 + 两侧灰色工作区，内容只能在纸内） */
.oc-editor-scroll{flex:1;overflow:auto;padding:36px 40px;display:flex;justify-content:center;background:var(--bg-hover,#e8eaed);scrollbar-gutter:stable both-edges}
.oc-paper-wrap{position:relative;flex-shrink:0;width:794px}
.oc-editor-page{width:794px;flex-shrink:0;min-height:1123px;outline:none;line-height:1.8;font-size:15px;color:#1f2329;background:#ffffff;box-shadow:0 1px 3px rgba(0,0,0,.12),0 8px 32px rgba(0,0,0,.12);border-radius:2px;padding:56px 72px 72px;box-sizing:border-box;overflow-wrap:break-word;word-break:break-word}
.oc-editor-page img,.oc-editor-page table,.oc-editor-page pre,.oc-editor-page video{max-width:100%}
.oc-editor-page table{table-layout:fixed;word-break:break-all}
.oc-editor-page td,.oc-editor-page th{word-break:break-all;overflow-wrap:break-word;min-width:0}
.oc-editor-page div{max-width:100%;overflow-wrap:break-word}
.oc-editor-page p,.oc-editor-page h1,.oc-editor-page h2,.oc-editor-page h3{max-width:100%;overflow-wrap:break-word;word-break:break-word}
.oc-editor-page:focus-within{box-shadow:0 1px 3px rgba(0,0,0,.12),0 8px 32px rgba(0,0,0,.14)}
.oc-editor-page:empty::before{content:attr(data-placeholder);color:#9aa0a6}
.oc-editor-page h1,.oc-editor-page h2,.oc-editor-page h3{color:#111827}
.oc-editor-page blockquote{border-left:3px solid #4a86e8;color:#374151;background:#f3f6fc}
.oc-editor-page a{color:#1a73e8}
.oc-editor-page code{background:#f1f3f4;color:#d93025}
.oc-editor-page table th{background:#f8f9fa;border:1px solid #dadce0}
.oc-editor-page table td{border:1px solid #dadce0}
.oc-editor-page .formula-block{background:#f8f9fa;border:1px solid #dadce0}
.oc-editor-page hr{border-top:1px solid #e0e0e0}

/* A4 分页线 */
.oc-page-breaks{position:absolute;left:0;right:0;top:0;bottom:0;pointer-events:none;z-index:5}
.oc-page-break{position:absolute;left:72px;right:72px;height:0;border-top:1.5px dashed #b0b6bf}
.oc-page-break-num{position:absolute;right:0;top:6px;font-size:10px;color:#9aa0a6;background:#f5f6f8;padding:1px 6px;border-radius:8px;border:1px solid #dfe1e5}

/* 导入的 PDF 分页块（按原文件一页一页） */
.oc-import-page{margin:0 0 24px;padding:0 0 18px;border-bottom:1.5px dashed #b0b6bf;position:relative}
.oc-import-page::after{content:attr(data-page);position:absolute;right:0;bottom:-10px;font-size:10px;color:#9aa0a6;background:#f5f6f8;padding:1px 7px;border-radius:8px;border:1px solid #dfe1e5}
.oc-import-page:last-child{border-bottom:none;margin-bottom:0}
.oc-import-page:last-child::after{display:none}
.oc-ruler{height:26px;flex-shrink:0;overflow:hidden;background:var(--bg-hover,#e8eaed);border-bottom:1px solid var(--border-subtle);display:flex;justify-content:center;padding:0 40px;position:relative}
.oc-ruler-inner{position:relative;width:794px;height:26px;flex-shrink:0;background:#ffffff;box-shadow:0 1px 3px rgba(0,0,0,.10)}
.oc-ruler-tick{position:absolute;bottom:0;width:1px;background:var(--border-default)}
.oc-ruler-tick.major{height:10px}
.oc-ruler-tick.mid{height:6px}
.oc-ruler-tick.minor{height:3px}
.oc-ruler-tick.margin{opacity:.35}
.oc-ruler-num{position:absolute;bottom:1px;font-size:9px;color:var(--text-ghost);line-height:1;white-space:nowrap;transform:translateX(-50%)}
.oc-ruler-num.margin{display:none}
.oc-ruler::after{content:'页码:1';position:absolute;right:14px;top:5px;font-size:9px;color:var(--text-ghost);opacity:.6}
.oc-editor-page h1{font-size:26px;font-weight:700;line-height:1.4;margin:0 0 8px}
.oc-editor-page h2{font-size:20px;font-weight:700;line-height:1.4;margin:24px 0 8px}
.oc-editor-page h3{font-size:17px;font-weight:600;line-height:1.5;margin:20px 0 6px}
.oc-editor-page p{margin:0 0 10px}
.oc-editor-page ul,.oc-editor-page ol{margin:0 0 10px;padding-left:24px}
.oc-editor-page li{margin-bottom:4px}
.oc-editor-page ol{list-style-type:decimal}
.oc-editor-page ul{list-style-type:disc}
.oc-editor-page ul[style*="list-style-type:none"],.oc-editor-page ol[style*="list-style-type:none"]{list-style-type:none;padding-left:8px}
.oc-editor-page table{width:100%;border-collapse:collapse;margin:12px 0;font-size:13px}
.oc-editor-page table th{font-weight:600;text-align:left;padding:8px 12px}
.oc-editor-page table td{padding:8px 12px}
.oc-editor-page blockquote{border-left:3px solid #4a86e8;padding:8px 16px;margin:10px 0;background:#f3f6fc;color:#374151;border-radius:0 4px 4px 0}
.oc-editor-page a{color:#1a73e8;text-decoration:underline;text-underline-offset:2px}
.oc-editor-page code{font-family:var(--font-body);background:#f1f3f4;padding:2px 6px;border-radius:3px;font-size:12px;color:#d93025}
.oc-editor-page pre{background:#1e1e2e;color:#cdd6f4;padding:14px 18px;border-radius:6px;font-family:var(--font-body);font-size:12px;line-height:1.6;overflow-x:auto;margin:10px 0}
.oc-editor-page img{max-width:100%;border-radius:4px;margin:8px 0}
.oc-editor-page hr{border:none;border-top:1px solid #e0e0e0;margin:16px 0}
.oc-editor-page .formula-block{text-align:center;padding:14px;margin:10px 0;background:#f8f9fa;border:1px solid #dadce0;border-radius:6px;font-size:16px;font-family:'Times New Roman',serif;font-style:italic}

/* 状态栏 */
.oc-status-bar{display:flex;align-items:center;padding:4px 12px;border-top:1px solid var(--border-subtle);font-size:var(--fs-1);color:var(--text-ghost);gap:16px;flex-shrink:0;background:var(--bg-elevated)}
.oc-status-dot{width:6px;height:6px;border-radius:50%;background:var(--emerald);flex-shrink:0}
.oc-status-bar .spacer{flex:1}

/* ─── 右侧面板 ─── */
.oc-right-panel{width:280px;border-left:1px solid var(--border-subtle);display:flex;flex-direction:column;flex-shrink:0;background:var(--bg-elevated)}
.oc-panel-content{flex:1;overflow-y:auto;display:none;flex-direction:column}
.oc-panel-content.active{display:flex}

/* 聊天 */
.oc-chat-messages{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:10px}
.oc-chat-msg{display:flex;gap:8px}
.oc-chat-avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:var(--fs-1);font-weight:600;color:var(--btn-text,#fff);flex-shrink:0}
.oc-chat-bubble{flex:1;min-width:0}
.oc-chat-meta{display:flex;align-items:baseline;gap:6px;margin-bottom:2px}
.oc-chat-name{font-size:var(--fs-1);font-weight:600;color:var(--text-bright)}
.oc-chat-time{font-size:var(--fs-1);color:var(--text-ghost)}
.oc-chat-text{font-size:var(--fs-1);line-height:1.6;color:var(--text-primary);background:var(--bg-surface);padding:6px 10px;border-radius:0 8px 8px 8px;display:inline-block;max-width:100%;word-break:break-word}
.oc-chat-msg.mentioned{background:var(--accent-bg);border-left:3px solid var(--accent);border-radius:6px;padding:6px 8px}
.oc-chat-msg.mentioned .oc-chat-text{background:rgba(255,255,255,.5)}
.oc-chat-mention-badge{font-size:var(--fs-1);padding:1px 6px;border-radius:8px;background:var(--accent);color:var(--btn-text,#fff);font-weight:600}
.oc-chat-input-area{padding:10px;border-top:1px solid var(--border-subtle);display:flex;gap:6px;flex-shrink:0}
.oc-chat-input{flex:1;border:1px solid var(--field-border);border-radius:6px;padding:6px 10px;font-size:var(--fs-1);outline:none;background:var(--field-bg);color:var(--field-ink);transition:border-color .2s;resize:none;min-height:32px;max-height:72px}
.oc-chat-input:focus{border-color:var(--accent)}
.oc-chat-send{width:32px;height:32px;border-radius:6px;background:var(--accent);color:var(--btn-text,#fff);display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0;cursor:pointer;border:none}
.oc-chat-send:hover{background:var(--accent-hover)}

/* 版本历史 */
.oc-version-list{padding:8px 12px}
.oc-version-item{padding:10px;border-radius:6px;cursor:pointer;transition:background .15s;border-left:3px solid transparent;margin-bottom:4px}
.oc-version-item:hover{background:var(--accent-bg)}
.oc-version-item.current{border-left-color:var(--accent);background:var(--accent-bg)}
.oc-version-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:3px}
.oc-version-tag{font-size:var(--fs-1);font-weight:600;color:var(--text-bright)}
.oc-version-badge{font-size:var(--fs-1);padding:2px 6px;border-radius:8px;background:var(--accent-bg);color:var(--accent);font-weight:600}
.oc-version-desc{font-size:var(--fs-1);color:var(--text-secondary);line-height:1.4}
.oc-version-meta{font-size:var(--fs-1);color:var(--text-ghost);margin-top:3px}
.oc-version-actions{margin-top:6px;display:flex;flex-wrap:wrap;gap:6px}
.oc-version-actions button{font-size:var(--fs-1);padding:3px 8px;border-radius:4px;border:1px solid var(--border-subtle);color:var(--text-secondary);cursor:pointer;transition:all .15s;background:none}
.oc-version-actions button:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-bg)}

/* ─── 在线协作状态 ─── */
.oc-collab-bar{display:flex;align-items:center;gap:6px;padding:0 12px}
.oc-collab-avatar{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:var(--fs-1);font-weight:600;color:var(--btn-text,#fff);border:2px solid var(--bg-elevated);margin-left:-6px;cursor:pointer;transition:transform .15s}
.oc-collab-avatar:first-child{margin-left:0}
.oc-collab-avatar:hover{transform:translateY(-2px);z-index:2}
.oc-online-count{font-size:var(--fs-1);color:var(--text-ghost);margin-left:4px}

/* ─── 响应式 ─── */
@media(max-width:1100px){.oc-right-panel{width:240px}}
@media(max-width:900px){.oc-right-panel{display:none}.oc-editor-scroll{padding:20px 24px}}

/* ─── 扩展工具栏（颜色面板） ─── */
.oc-tb-dropdown-menu.oc-color-menu{width:236px;padding:10px}
.oc-color-grid{display:grid;grid-template-columns:repeat(10,18px);gap:3px}
.oc-color-swatch{width:18px;height:18px;border-radius:3px;cursor:pointer;border:1px solid rgba(0,0,0,.08);transition:transform .12s ease}
.oc-color-swatch:hover{transform:scale(1.25);outline:2px solid var(--accent);outline-offset:1px}
.oc-color-custom{display:flex;align-items:center;gap:8px;margin-top:10px;padding-top:8px;border-top:1px solid var(--border-subtle);font-size:var(--fs-1);color:var(--text-ghost)}
.oc-color-custom input[type=color]{width:28px;height:24px;border:none;background:none;cursor:pointer;padding:0}
.oc-color-trigger{font-weight:700}

/* ─── 插入弹窗通用字段 ─── */
.oc-modal-field{margin-top:12px}
.oc-modal-field label{display:block;font-size:var(--fs-1);color:var(--text-ghost);margin-bottom:6px}
.oc-modal-field input{width:100%;box-sizing:border-box;padding:7px 10px;border:1px solid var(--field-border);border-radius:6px;background:var(--field-bg);color:var(--field-ink);font-size:var(--fs-2);outline:none;transition:border-color .2s}
.oc-modal-field input:focus{border-color:var(--accent)}
.oc-modal-field-row{display:flex;gap:12px;margin-top:12px}
.oc-modal-field-row .oc-modal-field{flex:1;margin-top:0}

/* ─── 图片上传区域 ─── */
.oc-image-upload-area{border:1.5px dashed var(--border-default);border-radius:10px;padding:22px 16px;text-align:center;cursor:pointer;transition:all .2s}
.oc-image-upload-area:hover,.oc-image-upload-area.drag-over{border-color:var(--accent);background:var(--accent-bg)}
.oc-upload-placeholder{color:var(--text-ghost)}
.oc-upload-preview{display:none;align-items:center;justify-content:center;position:relative;gap:10px}
.oc-upload-preview img{max-width:100%;max-height:180px;border-radius:6px;box-shadow:0 2px 10px rgba(0,0,0,.15)}
.oc-upload-remove-btn{position:absolute;top:-10px;right:-10px;width:24px;height:24px;border-radius:50%;background:#f54a45;color:#fff;border:none;cursor:pointer;font-size:var(--fs-2);line-height:1;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 6px rgba(0,0,0,.2)}

/* ─── 表格选择器 ─── */
.oc-table-grid{display:grid;grid-template-columns:repeat(8,24px);gap:2px;justify-content:center}
.oc-table-cell{width:24px;height:24px;border:1px solid var(--border-default);border-radius:3px;cursor:pointer;transition:all .1s}
.oc-table-cell.selected{background:var(--accent);border-color:var(--accent)}
.oc-table-label{text-align:center;font-size:var(--fs-1);color:var(--text-ghost);margin-top:8px}

/* ─── 公式快捷选择 ─── */
.oc-formula-quick{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 4px}
.oc-formula-chip{padding:6px 10px;border:1px solid var(--border-default);border-radius:6px;font-size:12px;color:var(--text-secondary);cursor:pointer;transition:all .15s;font-family:'Times New Roman',serif;font-style:italic}
.oc-formula-chip:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-bg)}
.cp-label{font-size:var(--fs-1);color:var(--text-ghost);font-weight:600}

/* ─── 链接 Hover ─── */
.oc-editor-page.oc-has-link{cursor:pointer}
.oc-editor-page a{position:relative;transition:color .15s}
.oc-editor-page a:hover{text-decoration:underline}

/* ─── @提及 ─── */
.oc-mention-dropdown{position:fixed;background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.15);min-width:220px;max-height:240px;overflow-y:auto;z-index:9999;display:none;padding:4px}
.oc-mention-dropdown.visible{display:block}
.oc-mention-item{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:6px;cursor:pointer;transition:background .12s}
.oc-mention-item:hover,.oc-mention-item.active{background:var(--accent-bg)}
.oc-mention-avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:var(--fs-1);font-weight:700;color:var(--btn-text,#fff);flex-shrink:0}
.oc-mention-info{flex:1;min-width:0}
.oc-mention-name{font-size:var(--fs-2);font-weight:600;color:var(--text-bright);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.oc-mention-subtitle{font-size:var(--fs-1);color:var(--text-ghost);margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}
.oc-editor-page .oc-mention-tag{background:var(--accent-bg);color:var(--accent);padding:1px 6px;border-radius:3px;font-weight:500;cursor:default;white-space:nowrap}

/* ─── 列表样式预览（工具栏下拉） ─── */
.oc-list-preview{display:inline-block;font-weight:700}
.oc-tb-dd-item .oc-list-preview{color:var(--accent)}

/* ─── AI写作结果区域 ─── */
.oc-ai-result{
  min-height:100px;max-height:280px;overflow-y:auto;
  padding:10px 12px;border:1px solid var(--border-default);border-radius:6px;
  background:var(--bg);font-size:var(--fs-2);line-height:1.8;white-space:pre-wrap;word-break:break-word;
  color:var(--text-primary)
}
.oc-ai-result:empty::before{content:'AI正在生成中…';color:var(--text-muted);font-size:var(--fs-1)}
.oc-modal-field textarea{width:100%;box-sizing:border-box;padding:7px 10px;border:1px solid var(--field-border);border-radius:6px;background:var(--field-bg);color:var(--field-ink);font-size:var(--fs-2);outline:none;transition:border-color .2s;resize:vertical;font-family:inherit}
.oc-modal-field textarea:focus{border-color:var(--accent)}

/* ─── AI写作结果区域 ─── */
.ai-result-content{
  min-height:120px;max-height:300px;overflow-y:auto;
  padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius);
  background:var(--bg);font-size:var(--fs-2);line-height:1.8;white-space:pre-wrap;word-break:break-word;
  color:var(--text)
}
.ai-result-content:empty::before{
  content:'AI正在生成中…';color:var(--text-muted);font-size:var(--fs-2)
}

/* ─── 协作者列表样式 ─── */
.collab-item{
  display:flex;align-items:center;gap:8px;padding:8px 12px;
  border-radius:var(--r-sm);transition:background .15s;
  font-size:var(--fs-2);color:var(--text-primary)
}
.collab-item:hover{background:var(--accent-bg)}
.collab-item.self{background:var(--accent-soft)}
.collab-avatar-sm{
  width:28px;height:28px;border-radius:50%;display:flex;align-items:center;
  justify-content:center;font-size:var(--fs-1);font-weight:600;color:#fff;flex-shrink:0
}
.collab-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.collab-perm{
  font-size:var(--fs-1);padding:2px 6px;border-radius:4px;
  background:var(--surface-3);color:var(--text-secondary);flex-shrink:0
}
.collab-actions{display:flex;gap:4px;flex-shrink:0}
.collab-action-btn{
  padding:4px 8px;border-radius:4px;font-size:var(--fs-1);cursor:pointer;
  border:1px solid var(--border-default);background:var(--surface);
  color:var(--text-secondary);transition:all .15s
}
.collab-action-btn:hover{
  border-color:var(--accent);color:var(--accent);background:var(--accent-bg)
}
.collab-action-btn.danger{border-color:var(--danger);color:var(--danger)}
.collab-action-btn.danger:hover{background:var(--danger-soft)}

/* ─── 嵌入版协作者面板操作按钮 ─── */
.oc-collab-action{
  padding:3px 8px;border-radius:4px;font-size:var(--fs-1);cursor:pointer;
  border:1px solid var(--border-default);background:var(--surface);
  color:var(--text-secondary);transition:all .15s;margin-left:4px
}
.oc-collab-action:hover{
  border-color:var(--accent);color:var(--accent);background:var(--accent-bg)
}
.oc-collab-action.danger{border-color:var(--danger);color:var(--danger)}
.oc-collab-action.danger:hover{background:var(--danger-soft)}

/* ─── 文档卡片更多按钮 ─── */
.oc-doc-more-btn{
  position:absolute;top:8px;right:8px;width:28px;height:28px;
  border-radius:6px;display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,0.5);backdrop-filter:blur(4px);
  cursor:pointer;opacity:0;transition:opacity .2s;z-index:2
}
.oc-doc-more-btn svg{width:16px;height:16px;color:#fff}
.oc-doc-thumb-card:hover .oc-doc-more-btn{opacity:1}
.oc-doc-more-btn:hover{background:rgba(0,0,0,0.7)}

/* ─── 文档卡片所有者样式区分 ─── */
/* 自己的文档 - 主题色 */
.oc-doc-mine .oc-doc-thumb{
  background:linear-gradient(135deg,var(--accent) 0%,var(--grad-b) 100%)
}
.oc-doc-mine .oc-doc-thumb-placeholder{
  color:rgba(255,255,255,0.9)
}
.oc-doc-mine .oc-doc-thumb-placeholder svg{
  stroke:rgba(255,255,255,0.7)
}
.oc-doc-mine .oc-doc-thumb-badge{
  background:rgba(255,255,255,0.2);color:#fff
}

/* 协作者文档 - 冰绿色 */
.oc-doc-collab .oc-doc-thumb{
  background:linear-gradient(135deg,#e0f7e9 0%,#a7f3d0 100%)
}
.oc-doc-collab .oc-doc-thumb-placeholder{
  color:#065f46
}
.oc-doc-collab .oc-doc-thumb-placeholder svg{
  stroke:#065f46
}
.oc-doc-collab .oc-doc-thumb-badge{
  background:rgba(6,95,70,0.15);color:#065f46
}

/* 有图片的文档 - 添加色调叠加 */
.oc-doc-mine .oc-doc-thumb::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,var(--accent-soft) 0%,var(--accent-glow) 100%);
  pointer-events:none;z-index:1
}
.oc-doc-collab .oc-doc-thumb::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(224,247,233,0.3) 0%,rgba(167,243,208,0.3) 100%);
  pointer-events:none;z-index:1
}

/* ─── 右键菜单 ─── */
.oc-context-menu{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-md);box-shadow:0 4px 16px rgba(0,0,0,.15);
  padding:4px;min-width:160px;animation:ocMenuIn .15s ease
}
@keyframes ocMenuIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.oc-ctx-item{
  display:flex;align-items:center;gap:8px;padding:8px 12px;
  border-radius:var(--r-sm);cursor:pointer;font-size:var(--fs-2);
  color:var(--text-primary);transition:background .15s
}
.oc-ctx-item:hover{background:var(--accent-bg)}
.oc-ctx-item svg{width:14px;height:14px;flex-shrink:0}
.oc-ctx-item.danger{color:var(--danger)}
.oc-ctx-item.danger:hover{background:var(--danger-soft)}