/* 文件、图片和设备详情共用的右侧标签工作区，保留原聊天与项目栏。 */
:root{--right-panel-single-width:min(680px,46vw,calc(100vw - 560px));--right-panel-split-width:min(900px,62vw,calc(100vw - 560px));--right-panel-width:var(--right-panel-single-width);--file-preview-width:var(--right-panel-width)}
html[data-right-panels-split="true"]{--right-panel-width:var(--right-panel-split-width)}
.right-panel-workspace[data-split="true"]{width:var(--right-panel-split-width)}
.right-panel-workspace{transition-property:none!important;position:fixed;inset:0 0 0 auto;width:var(--right-panel-width);height:100dvh;z-index:48;display:flex;flex-direction:column;background:var(--surface);color:var(--ink);border-left:1px solid var(--line-strong);box-shadow:-8px 0 24px #0000000d;min-width:0;overflow:hidden}
.right-panel-bar{display:flex;align-items:center;min-height:47px;padding:0 8px 0 4px;gap:5px;border-bottom:1px solid var(--line);background:var(--surface-2);flex:none;min-width:0}
.right-panel-tabs{display:flex;align-items:stretch;flex:1;min-width:0;overflow-x:auto;overscroll-behavior:contain;scrollbar-width:thin}
.right-panel-tab-item{display:flex;align-items:center;min-width:90px;max-width:200px;flex:none;border-right:1px solid var(--line);position:relative}
.right-panel-tab-item[data-visible="true"]{background:var(--surface)}
.right-panel-tab-item[data-active="true"]:after{content:"";position:absolute;bottom:0;left:10px;right:10px;height:2px;background:var(--ink-2);border-radius:2px}
.right-panel-tab{display:flex;align-items:center;gap:7px;flex:1;min-width:0;min-height:45px;padding:10px 6px 10px 12px;background:none;border:0;color:var(--ink-3);font:inherit;font-size:12px;cursor:pointer;text-align:left}
.right-panel-tab-item[data-active="true"] .right-panel-tab{color:var(--ink)}
.right-panel-tab-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:145px}
.right-panel-tab-item[data-dirty="true"] .right-panel-tab-title:before{content:"●";font-size:8px;margin-right:7px;color:var(--ink-2)}
.right-panel-tab-close,.right-panel-actions button{display:grid;place-items:center;flex:none;width:29px;height:32px;padding:6px;border:0;border-radius:6px;background:none;color:var(--ink-3);cursor:pointer}
.right-panel-tab-close{margin-right:4px}.right-panel-tab-close:hover,.right-panel-actions button:hover{background:var(--surface-3);color:var(--ink)}
.right-panel-actions{display:flex;align-items:center;gap:3px;flex:none}.right-panel-actions button{width:32px;height:34px}.right-panel-actions button:disabled{opacity:.35;cursor:default}
.right-panel-split-icon{display:flex;gap:2px;width:17px;height:15px}.right-panel-split-icon i{border:1.5px solid currentColor;flex:1;border-radius:2px}
.right-panel-slots{display:flex;flex:1;min-height:0;min-width:0;overflow:hidden}.right-panel-slot{display:flex;flex:1;min-width:0;min-height:0;overflow:hidden}.right-panel-slot[hidden]{display:none!important}
.right-panel-workspace[data-split="true"] .right-panel-slot+.right-panel-slot:not([hidden]){border-left:1px solid var(--line-strong)}
.file-preview-pane{height:100%;width:100%;display:flex;flex-direction:column;pointer-events:auto;background:var(--surface);color:var(--ink);min-width:0;min-height:0;overflow:hidden}
@media(min-width:900px){html[data-right-panels="open"] .app{transition-property:none!important;width:calc(100% - var(--right-panel-width))}html[data-right-panels="open"][data-right-panels-split="true"] .app{width:calc(100% - var(--right-panel-split-width))}html[data-right-panels="open"] .app .main{min-width:0}}
@media(max-width:899px){.right-panel-workspace{width:100%;z-index:58}.right-panel-bar{padding-top:env(safe-area-inset-top)}.right-panel-actions .right-panel-split{display:none}.right-panel-tab-item{max-width:180px}.right-panel-tab{min-height:47px}.right-panel-tab-close{width:36px;height:40px}.right-panel-actions button{width:40px;height:44px}}
.file-preview-head { display:flex;align-items:center;gap:10px;min-height:76px;padding:16px 18px;border-bottom:1px solid var(--line);flex:none; }
.file-preview-heading { min-width:0;flex:1; }
.file-preview-heading h2 { font-size:15px;font-weight:600;line-height:1.5;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap; }
.file-preview-subtitle { display:block;color:var(--ink-3);font-size:11px;margin-top:3px; }
.file-preview-close,.file-preview-download,.file-preview-retry { display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:38px;border:1px solid var(--line-strong);border-radius:9px;padding:8px 11px;background:var(--surface);color:var(--ink-2);font:inherit;font-size:12px;text-decoration:none;flex:none; }
.file-preview-close { width:38px;padding:8px;border-color:transparent; }
.file-preview-close:hover,.file-preview-download:hover,.file-preview-retry:hover { background:var(--surface-3); }
.file-preview-body { flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding:20px; }
.file-preview-state { display:flex;flex-direction:column;align-items:center;gap:13px;text-align:center;padding:64px 16px;color:var(--ink-3); }
.file-preview-state b { color:var(--ink-2);font-size:15px; }
.file-preview-state p { max-width:400px;font-size:13px;line-height:1.8;margin:0;overflow-wrap:anywhere; }
.file-preview-state--error>svg { color:var(--warn-ink); }
.file-preview-retry { display:flex;margin:0 auto; }
.file-preview-media { min-height:100%;display:flex;align-items:center;justify-content:center; }
.file-preview-image { display:block;max-width:100%;max-height:calc(100dvh - 195px);height:auto;object-fit:contain; }
.file-preview-video { display:block;width:100%;max-height:calc(100dvh - 195px);background:#141414;border-radius:8px; }
.file-preview-pdf { display:block;width:100%;height:calc(100dvh - 195px);border:0;border-radius:8px;background:var(--surface-2); }
.file-preview-document { max-width:760px;margin:auto; }
.file-preview-document-meta,.file-preview-note { color:var(--ink-3);font-size:12px;line-height:1.8; }
.file-preview-document pre,.file-preview-slide pre { white-space:pre-wrap;overflow-wrap:anywhere;font-family:var(--font);font-size:14px;line-height:1.9;margin:18px 0; }
.file-preview-table-tools { display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--ink-3);font-size:12px;margin-bottom:14px; }
.file-preview-table-tools label { display:flex;align-items:center;gap:8px; }
.file-preview-table-tools select,.file-preview-slide-nav select { max-width:100%;min-height:36px;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit;padding:7px 9px; }
.file-preview-table-scroll { width:100%;overflow:auto;border:1px solid var(--line-strong);border-radius:10px;max-height:calc(100dvh - 185px); }
.file-preview-table table { border-collapse:separate;border-spacing:0;font-size:12px;min-width:100%; }
.file-preview-table th,.file-preview-table td { padding:11px 13px;text-align:left;border-right:1px solid var(--line);border-bottom:1px solid var(--line);max-width:360px;min-width:105px;white-space:pre-wrap;overflow-wrap:anywhere;vertical-align:top; }
.file-preview-table thead th { position:sticky;top:0;z-index:1;background:var(--surface-2);color:var(--ink-2);font-weight:600; }
.file-preview-table tbody tr:nth-child(even) { background:var(--surface-2); }
.file-preview-table .file-preview-row-number { min-width:45px;max-width:45px;color:var(--ink-3);font-weight:400;text-align:center; }
.file-preview-slide-nav { display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--ink-3);margin-bottom:18px; }
.file-preview-slide { padding:18px;background:var(--surface);border:1px solid var(--line-strong);border-radius:12px;margin-bottom:18px;scroll-margin:16px; }
.file-preview-slide header>span { color:var(--ink-3);font-size:11px; }
.file-preview-slide h3 { margin:8px 0 15px;font-size:16px;line-height:1.5;overflow-wrap:anywhere; }
.file-preview-slide img { display:block;width:auto;max-width:100%;height:auto;margin:12px auto;border-radius:5px; }
.msg-files { display:flex;flex-wrap:wrap;gap:10px;max-width:100%;margin:10px 0; }
.file-card { display:flex;align-items:stretch;min-width:0;max-width:100%;width:min(420px,100%);border:1px solid var(--line-strong);background:var(--surface);border-radius:12px;overflow:hidden; }
.file-preview-trigger { display:flex;align-items:center;gap:11px;flex:1;min-width:0;padding:13px;border:0;background:none;text-align:left;color:var(--ink);font:inherit;cursor:pointer; }
.file-preview-trigger:hover { background:var(--surface-2); }
.file-ic { display:grid;place-items:center;flex:none;width:38px;height:43px;border:1px solid var(--line);border-radius:8px;background:var(--surface-2);font-size:9px;font-weight:650;color:var(--ink-3); }
.file-txt { display:flex;flex-direction:column;gap:5px;min-width:0; }
.file-txt b { font-size:13px;font-weight:550;white-space:nowrap;overflow:hidden;text-overflow:ellipsis; }
.file-txt small { font-size:11px;color:var(--ink-3); }
.file-download { display:grid;place-items:center;width:42px;min-height:44px;flex:none;color:var(--ink-3);text-decoration:none;border-left:1px solid var(--line); }
.file-download:hover { color:var(--ink);background:var(--surface-2); }

@media(max-width:899px){.file-preview-head { min-height:64px; }.file-preview-body { padding:16px;padding-bottom:max(16px,env(safe-area-inset-bottom)); }.file-preview-close,.file-preview-download { min-height:44px; }.file-preview-close { width:44px; }.file-preview-slide { padding:15px; }.file-preview-table-tools select { max-width:220px; }.file-preview-heading h2 { font-size:14px; }.file-preview-table th,.file-preview-table td { min-width:100px; }.file-card { width:100%; } }
/* 工作提醒中的日程提议，接受前不会生成日程。 */
.msg-suggestions{display:flex;flex-direction:column;gap:10px;margin-top:14px;max-width:540px}
.msg-suggestion{padding:15px;border:1px solid var(--line-strong);border-radius:12px;background:var(--surface);color:var(--ink);min-width:0}
.suggestion-heading{display:flex;align-items:flex-start;gap:8px;font-size:13px;line-height:1.7}.suggestion-heading svg{flex:none;margin-top:3px}.suggestion-heading b{font-weight:550;overflow-wrap:anywhere}
.suggestion-time,.suggestion-feedback,.suggestion-error{font-size:12px;line-height:1.8;color:var(--ink-3);display:block;margin:6px 0 0;overflow-wrap:anywhere}.suggestion-error{color:var(--bad-ink)}
.suggestion-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}.suggestion-actions button,.suggestion-retry{min-height:38px;padding:8px 12px;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface-2);color:var(--ink);font:inherit;font-size:12px}.suggestion-actions button:first-child{background:var(--ink);color:var(--bg);border-color:var(--ink)}.suggestion-actions button:disabled{opacity:.5}.suggestion-retry{margin-top:10px}
@media(max-width:899px){.suggestion-actions button,.suggestion-retry{min-height:44px}}
/* 图片消息可直接查看侧栏大图，两端共用。 */
.msg-imgs{display:flex;flex-wrap:wrap;gap:9px;margin:10px 0;max-width:100%;min-width:0}
.msg-img{display:flex;flex-direction:column;position:relative;max-width:min(330px,100%);padding:0;border:1px solid var(--line-strong);border-radius:12px;background:var(--surface);color:var(--ink);overflow:hidden;cursor:pointer;text-align:left;min-width:0}
.msg-img img{display:block;max-width:100%;width:auto;max-height:250px;height:auto;object-fit:contain;background:var(--surface-2)}
.msg-imgs--big .msg-img{max-width:min(520px,100%)}.msg-imgs--big .msg-img img{max-height:420px}
.msg-img .img-cap{display:block;padding:8px 10px;line-height:1.6;font-size:11px;white-space:normal;overflow-wrap:anywhere;background:var(--surface);color:var(--ink-3)}.img-fail{font-size:12px;color:var(--ink-3);padding:20px}
@media(max-width:899px){.msg-img,.msg-imgs--big .msg-img{max-width:100%}.msg-img img,.msg-imgs--big .msg-img img{max-height:330px}}
/* 覆盖旧消息缩略图固定正方形，保留照片原始比例和正文图注。 */
.msg-img{width:min(180px,100%);height:auto;aspect-ratio:auto}.msg-imgs--big .msg-img{width:min(520px,100%);height:auto;aspect-ratio:auto}.msg-img img{width:100%;height:auto}.msg-img .img-cap{position:static;border-radius:0}
.file-preview-source{display:inline-flex;margin-top:10px;font-size:12px;line-height:1.8;color:var(--accent-ink);text-decoration:underline;text-underline-offset:3px}
/* 文件内容编辑与对话草稿操作。 */
.file-preview-toolbar{display:flex;align-items:center;gap:7px;flex-wrap:wrap;padding:11px 18px;border-bottom:1px solid var(--line)}
.file-preview-toolbar button,.file-editor button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:34px;padding:7px 10px;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);color:var(--ink-2);font:inherit;font-size:11px;cursor:pointer}
.file-preview-toolbar button:disabled,.file-editor button:disabled{opacity:.45;cursor:default}.file-preview-toolbar button:hover,.file-editor button:hover{background:var(--surface-2)}
.file-preview-toolbar button:nth-child(2){background:var(--accent);color:var(--on-accent,#fff);border-color:var(--accent)}
.file-preview-feedback{padding:10px 18px;margin:0;background:var(--surface-2);border-bottom:1px solid var(--line);color:var(--ink-3);font-size:11px;line-height:1.7;flex:none}
.file-editor{min-width:0}.file-editor-input{display:block;width:100%;box-sizing:border-box;border:1px solid var(--line-strong);border-radius:9px;padding:12px;background:var(--surface);color:var(--ink);font:inherit;font-size:13px;line-height:1.8;resize:vertical;outline-offset:3px}
.file-editor>textarea{min-height:calc(100dvh - 250px)}.file-editor-input:focus{border-color:var(--accent)}
.file-editor-sheet-tools,.file-editor-actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin:0 0 12px}.file-editor-sheet-tools select{min-height:34px;border:1px solid var(--line-strong);border-radius:8px;padding:6px 10px;background:var(--surface);color:var(--ink);font:inherit;font-size:12px}
.file-editor-sheet>.file-editor-input{margin-bottom:12px}.file-editor-table-scroll{overflow:auto;max-width:100%;margin-bottom:12px;border:1px solid var(--line-strong);border-radius:8px}.file-editor-table{border-collapse:collapse;width:100%}.file-editor-table th{font-size:10px;min-width:24px;padding:7px;color:var(--ink-3);background:var(--surface-2)}.file-editor-table td{padding:0;border:1px solid var(--line)}.file-editor-table td input{border:0;border-radius:0;min-width:110px;padding:8px;min-height:35px;font-size:12px}.file-editor-table td input:focus{outline:2px solid var(--accent);outline-offset:-2px}
.file-editor-slide{padding:15px;border:1px solid var(--line-strong);border-radius:12px;margin-bottom:16px;background:var(--surface)}.file-editor-slide header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;font-size:12px}.file-editor-slide .file-editor-input{margin-bottom:11px}.file-editor-slide details>summary{font-size:11px;color:var(--ink-3);margin-bottom:10px;cursor:pointer}
@media(max-width:899px){.file-preview-toolbar{padding:10px 15px;gap:6px}.file-preview-toolbar button{min-height:39px}.file-preview-feedback{padding:9px 15px}.file-editor>textarea{min-height:calc(100dvh - 280px)}}
.file-preview-queue{display:flex;align-items:center;gap:6px;color:var(--ink-3);font-size:10px;flex:none}.file-preview-queue button{display:grid;place-items:center;width:28px;min-height:30px;border:1px solid var(--line-strong);border-radius:7px;background:var(--surface);color:var(--ink-2);padding:5px}.file-preview-queue button:disabled{opacity:.3}@media(max-width:600px){.file-preview-queue{gap:3px}.file-preview-head{gap:5px}.file-preview-head .file-preview-download span{display:none}}
.mobile-file-nav{display:none}
@media(max-width:899px){
 .right-panel-workspace{inset:0;width:100%;height:100dvh;border:0;box-shadow:none;z-index:80;background:var(--bg)}
 .right-panel-bar{display:none}.mobile-file-nav{display:flex;align-items:center;gap:12px;min-height:calc(60px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 10px 0;border-bottom:1px solid var(--line);background:var(--surface)}
 .mobile-file-nav button{display:grid;place-items:center;flex:none;width:44px;height:44px;border:0;background:none;color:var(--ink)}.mobile-file-name{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:center;font-size:16px;font-weight:600}
 .file-preview-head{display:none}.file-preview-toolbar{display:none!important}.file-preview-pane[data-editing=true] .file-preview-toolbar{display:flex!important;flex-wrap:wrap;padding:12px}.file-preview-pane[data-editing=true] .file-preview-toolbar button{min-height:44px;font-size:16px}
 .file-preview-body{padding:16px 16px max(20px,env(safe-area-inset-bottom));scrollbar-gutter:auto;background:var(--bg)}
 .file-preview-document pre,.file-preview-slide pre{font-size:17px;line-height:1.85}.file-preview-document-meta{font-size:14px}.file-preview-image{max-height:calc(100dvh - 110px);touch-action:pan-x pan-y pinch-zoom}.file-preview-video{max-height:calc(100dvh - 110px);border-radius:16px}
 .file-preview-table th,.file-preview-table td{font-size:15px;padding:14px;min-width:100px}.file-preview-table-tools{font-size:15px}.file-preview-table-tools select{min-height:44px}.file-preview-state b{font-size:18px}.file-preview-state p{font-size:16px}.file-preview-slide{border:0;border-radius:0;padding:0;margin-bottom:28px}.file-preview-slide h3{font-size:20px}.file-preview-feedback{font-size:15px;padding:10px 16px}
 .file-card{border-radius:20px;box-shadow:0 2px 10px #00000005}.file-preview-trigger{padding:15px}.file-txt b{font-size:15px}.file-txt small{font-size:13px}.file-ic{width:44px;height:48px;font-size:10px}.file-download{width:48px}
}
.mobile-file-options{position:fixed;inset:auto 0 0;width:min(560px,100%);max-width:100%;max-height:80dvh;margin:auto auto 0;padding:18px 16px max(20px,env(safe-area-inset-bottom));border:0;border-radius:26px 26px 0 0;background:var(--surface);color:var(--ink);box-shadow:0 -10px 40px #0002;z-index:100}.mobile-file-options::backdrop{background:#0006}.mobile-file-options button{display:block;width:100%;min-height:52px;border:0;background:transparent;color:inherit;font:inherit;font-size:17px;text-align:left;padding:12px;overflow-wrap:anywhere}.mobile-file-options button:last-child{text-align:center;background:var(--surface-3);border-radius:14px}.mobile-file-options p{font-size:14px;color:var(--ink-3);padding:10px 12px 0}
.mobile-pdf{height:100%;display:flex;flex-direction:column;min-height:0}.mobile-pdf-stage{flex:1;min-height:0;overflow:auto;background:#eee}.mobile-pdf-stage canvas{display:block;margin:auto;max-width:none}.mobile-pdf-controls{display:flex;align-items:center;justify-content:space-around;gap:8px;padding:10px 0 0;background:var(--bg);font-size:15px}.mobile-pdf-controls button{min-height:44px;min-width:44px;border:0;border-radius:22px;font:inherit;background:var(--surface-3);color:var(--ink);padding:8px 12px}.mobile-pdf-controls button:disabled{opacity:.3}