/* 尚书 AI：按真实 deepseek.css 聊天与 Copilot 视觉基线实现。 */
#copilot-root{--cp-halo:0 0 0 1px rgba(0,0,0,.08),0 0 0 3px rgba(16,185,129,.05),0 2px 10px rgba(16,185,129,.10);--cp-halo-on:0 0 0 1px rgba(16,185,129,.32),0 0 0 4px rgba(16,185,129,.08),0 3px 16px rgba(16,185,129,.16)}
.cp-fab{position:fixed;right:20px;bottom:20px;z-index:69;height:38px;display:flex;align-items:center;gap:7px;padding:0 14px;border-radius:19px;background:var(--green);color:#fff;font-size:13px;font-weight:500;box-shadow:0 6px 20px rgba(16,185,129,.26)}.cp-fab:hover{background:var(--green2)}.cp-wave{display:inline-flex;align-items:center;gap:3px;width:15px;height:12px;flex-shrink:0;color:var(--acc)}.cp-wave i{display:block;width:3px;border-radius:2px;background:currentColor}.cp-wave i:nth-child(1),.cp-wave i:nth-child(3){height:6px}.cp-wave i:nth-child(2){height:12px}.cp-fab .cp-wave{color:#fff}.cp-panel{display:flex;position:fixed;z-index:70;background:#fff;color:var(--fg);flex-direction:column;min-height:0;overflow:hidden;border-radius:var(--workspace-radius);box-shadow:var(--pop)}.cp-panel.mode-float{right:20px;bottom:20px;width:min(390px,calc(100vw - 32px));height:min(620px,calc(100vh - 40px))}.cp-panel.mode-split{right:6px;top:6px;bottom:0;width:390px;border-radius:var(--workspace-radius) var(--workspace-radius) 0 0}.cp-split-active .app-shell{margin-right:410px}.cp-split-active .studio-grid{grid-template-columns:minmax(0,1fr)}.cp-panel.mode-full{left:198px;right:6px;top:6px;bottom:0;border-radius:var(--workspace-radius) var(--workspace-radius) 0 0}.cp-head{min-height:43px;display:flex;align-items:center;gap:8px;padding:8px 10px 8px 12px;border-bottom:1px solid var(--line);background:#fff;flex-shrink:0}.cp-title{display:flex;align-items:center;gap:7px;min-width:0;font-size:12.5px}.cp-title strong{font-size:12.5px;font-weight:600;white-space:nowrap}.cp-title>span:last-child{font-size:10px;color:var(--fg3);white-space:nowrap}.cp-modes{display:flex;gap:2px;margin-left:auto}.cp-mode{width:26px;height:26px;display:grid;place-items:center;border-radius:var(--r-xs);color:var(--fg3)}.cp-mode:hover{background:var(--bg-alt);color:var(--fg)}.cp-mode.on{background:var(--bg-alt);color:var(--green2)}.cp-mode svg{width:14px;height:14px}.cp-context{font-size:11.5px;line-height:1.5;padding:5px 8px;margin:8px 11px 0;background:var(--accd);color:var(--green-ink);border-radius:var(--r-xs);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex-shrink:0}.cp-scroll{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--line2) transparent}.cp-messages{display:flex;flex-direction:column;gap:16px;padding:18px 16px 8px;max-width:820px;margin:auto}.cp-message{min-width:0}.cp-user{align-self:flex-end;max-width:78%}.cp-user-bubble{background:rgba(0,0,0,.05);color:var(--fg);padding:10px 14px;border-radius:var(--r) var(--r) 2px var(--r);font-size:14.5px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}.cp-ai{align-self:flex-start;max-width:94%;margin-top:10px;display:flex;gap:10px}.cp-ai>.cp-wave{margin-top:8px}.cp-ai+.cp-user{margin-top:16px}.cp-message-body{min-width:0;flex:1}.cp-text{font-size:13.5px;line-height:1.75;letter-spacing:.1px;white-space:pre-wrap;overflow-wrap:anywhere}.cp-panel.mode-full .cp-text{font-size:15px;line-height:1.85}.cp-error{color:var(--red)}.cp-tool{border:0;border-radius:var(--r);background:var(--bg-alt);margin:10px 0 3px;box-shadow:none;min-width:0}.cp-tool-head{display:flex;align-items:center;gap:7px;padding:10px 12px;font-size:12px;color:var(--fg2)}.cp-tool-head>strong{font-size:12px;font-weight:500;color:var(--fg)}.cp-tool-head>span:last-child{margin-left:auto;font-size:10px;color:var(--fg3)}.cp-tool-icon{width:14px;height:14px;display:grid;place-items:center;background:rgba(0,0,0,.06);border-radius:50%;font-size:9px;color:var(--fg2)}.cp-tool-body{padding:0 12px 9px;font-size:12px;line-height:1.8;color:var(--fg2)}.cp-tool-body>p+p{margin-top:5px}.cp-tool-link{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;color:var(--green-ink);width:100%;text-align:left;padding:9px 12px;border-radius:var(--r-sm)}.cp-tool-link:hover{background:rgba(0,0,0,.04)}.cp-tool-link svg{width:14px;height:14px}.cp-proposal-note{font-size:11px;color:var(--fg3);margin-top:8px}.cp-chips{display:flex;flex-wrap:wrap;gap:6px;padding:9px 14px 2px;flex-shrink:0}.cp-chips>button{font-size:11.5px;color:var(--fg2);border:1px solid var(--line);padding:5px 8px;border-radius:var(--r);background:transparent}.cp-chips>button:hover{background:var(--bg-alt)}.cp-input-wrap{padding:8px 14px 12px;flex-shrink:0;width:100%;max-width:820px;margin:auto}.cp-status{display:flex;align-items:center;gap:7px;font-size:11.5px;color:var(--fg3);padding:0 2px 10px}.cp-status>span{height:6px;width:6px;background:var(--acc);border-radius:50%}.cp-input-box{border:0;border-radius:var(--r-lg);background:#fff;box-shadow:var(--cp-halo);padding:13px 15px 9px;transition:box-shadow .2s var(--ease)}.cp-input-box:focus-within{box-shadow:var(--cp-halo-on)}.cp-input-box textarea{font-family:var(--sans);display:block;width:100%;resize:vertical;min-height:42px;max-height:150px;background:none;border:0;outline:0;box-shadow:none;padding:4px 2px;border-radius:0;font-size:14px;line-height:1.65;color:var(--fg)}.cp-input-box textarea::placeholder{color:var(--fg3);font-size:12px}.cp-input-bar{display:flex;align-items:center;gap:6px;margin-top:8px}.cp-input-bar>span{font-size:10px;color:var(--fg3)}.cp-send{width:32px;height:32px;border-radius:var(--r);display:grid;place-items:center;background:var(--green);color:#fff;margin-left:auto}.cp-send:hover{background:var(--green2)}.cp-send svg{width:15px;height:15px}.cp-boundary{font-size:10px;text-align:center;color:var(--fg3);padding-top:9px}.ai-business-layer{margin:0 0 14px}.ai-business-layer:empty{display:none}.cp-business-draft{padding:13px;border-radius:var(--r);background:var(--amberd);color:var(--fg)}.cp-business-draft.resolved{background:var(--bg-alt)}.cp-draft-head{display:flex;align-items:center;gap:10px;color:var(--amber);font-size:12px;margin-bottom:7px}.cp-draft-head>strong{font-size:13px;font-weight:500}.cp-draft-status{font-size:11px}.cp-business-draft>p{font-size:12px;color:var(--fg2);line-height:1.8}.cp-diff-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin-top:9px}.cp-diff-fields>div{padding:7px 9px;background:rgba(255,255,255,.72);border-radius:var(--r-xs)}.cp-diff-fields>div>span{font-size:11px;color:var(--fg3)}.cp-diff-fields p{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:12px;line-height:1.8;margin-top:3px}.cp-diff-fields del{color:var(--fg3)}.cp-diff-fields b{font-weight:400;color:var(--fg3)}.cp-diff-fields strong{color:var(--green-ink);font-weight:400}.cp-draft-actions{display:flex;align-items:center;gap:8px;margin-top:12px;flex-wrap:wrap}.cp-draft-note{font-size:11px;color:var(--fg2);margin-right:auto;line-height:1.8}.cp-draft-actions .button{font-size:12px}.cp-full-active .app-shell{visibility:hidden}
@media(max-width:1100px){.cp-mode[data-cp-mode="split"]{display:none}}
@media(max-width:1000px){.cp-panel.mode-full{left:178px}.cp-title>span:last-child{font-size:9px}}
@media(max-width:768px){.cp-panel.mode-full{left:8px;right:8px;top:8px;bottom:8px;border-radius:var(--workspace-radius)}.cp-panel.mode-float{right:12px;bottom:12px;width:calc(100vw - 24px);height:min(620px,calc(100dvh - 24px))}.cp-fab{right:15px;bottom:15px}.cp-title>span:last-child{font-size:10px}.cp-diff-fields{grid-template-columns:1fr}.cp-draft-actions .button{font-size:11px}.cp-draft-note{width:100%;font-size:10px}.cp-message-body .cp-text{font-size:13px}.cp-user-bubble{font-size:13px}.cp-tool-body{font-size:11px}.cp-input-box textarea{font-size:13px}.cp-input-bar>span{font-size:9px}.cp-boundary{font-size:9px}}