.ereo-workspace{width:clamp(350px,45vw,760px);min-width:0;flex:0 0 auto;display:flex;flex-direction:column;overflow:auto;background:var(--surface,#fff);color:var(--ink,#202230);border-left:1px solid var(--line,#ddd);padding:18px;box-sizing:border-box;gap:10px}.ereo-workspace-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.ereo-workspace h2{margin:0;font-size:17px;overflow-wrap:anywhere}.ereo-workspace h3{font-size:14px;margin:12px 0}.ereo-workspace p{margin:4px 0;line-height:1.55}.ereo-workspace button,.ereo-workspace input,.ereo-workspace textarea{font:inherit;color:inherit;background:var(--surface,#fff);border:1px solid var(--line,#ddd);border-radius:8px;padding:8px 10px;box-sizing:border-box}.ereo-workspace button{font-size:12px;cursor:pointer}.ereo-workspace button:disabled{opacity:.5;cursor:default}.ereo-workspace textarea,.ereo-workspace input{width:100%;min-width:0;font-size:13px}.ereo-workspace textarea{resize:vertical;line-height:1.55}.ereo-workspace :is(button,textarea,input,summary):focus-visible{outline:3px solid var(--primary,#6458e8);outline-offset:2px}.ereo-workspace-scope,.ereo-workspace-help{font-size:12px;color:var(--ink-soft,#666)}.ereo-workspace-status{font-size:12px;min-height:20px}.ereo-workspace .is-error,.ereo-workspace-error{color:var(--danger,#a82838)}.ereo-workspace-actions,.ereo-workspace-tabs{display:flex;gap:7px;flex-wrap:wrap}.ereo-workspace-primary{background:var(--button-fill,#5548ce)!important;color:#fff!important;border-color:transparent!important}.ereo-workspace-tabs{padding:5px 0;border-bottom:1px solid var(--line,#ddd)}.ereo-workspace-tabs [aria-pressed=true]{background:var(--bg,#f5f5fb);border-color:var(--primary,#6458e8)}.ereo-workspace-content{min-height:0;min-width:0;flex:1;display:flex;flex-direction:column;gap:10px}.ereo-workspace-editor{flex:1;min-height:310px;font:13px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace!important;tab-size:2;white-space:pre;overflow:auto}.ereo-workspace-selection,.ereo-workspace-create{border:1px solid var(--line,#ddd);border-radius:9px;padding:10px;font-size:13px}.ereo-workspace summary{cursor:pointer;font-weight:500}.ereo-workspace-selection textarea,.ereo-workspace-create input,.ereo-workspace-create textarea{margin:8px 0}.ereo-workspace-selected,.ereo-workspace-source{white-space:pre-wrap;overflow-wrap:anywhere;max-height:360px;overflow:auto;font:12px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;background:var(--bg,#f5f5fb);padding:10px;border-radius:8px;margin:0}.ereo-workspace-selected:empty{display:none}.ereo-workspace-image{display:block;max-width:100%;height:auto;object-fit:contain;max-height:75vh}.ereo-workspace-content iframe{width:100%;min-height:400px;flex:1;border:1px solid var(--line,#ddd);border-radius:8px;background:white}.ereo-workspace-conflict{border:1px solid #b4792d;background:var(--bg,#fff7df);border-radius:8px;padding:12px;font-size:13px;overflow-wrap:anywhere}.ereo-workspace-conflict button{margin:5px 5px 0 0}.ereo-workspace-conflict textarea{margin:7px 0}.ereo-workspace-diff{max-height:300px;overflow:auto;border:1px solid var(--line,#ddd);border-radius:7px;margin:10px 0}.ereo-workspace-diff pre{white-space:pre-wrap;overflow-wrap:anywhere;margin:0;padding:3px 8px;font:12px/1.6 ui-monospace,monospace}.ereo-workspace-diff-before{background:#fdecef;color:#741f2a}.ereo-workspace-diff-after{background:#e7f5ec;color:#1d5230}.ereo-workspace-version{display:flex;gap:8px;align-items:center;flex-wrap:wrap;border-bottom:1px solid var(--line,#ddd);padding:12px 0;font-size:13px}.ereo-workspace-version .ereo-workspace-diff,.ereo-workspace-restore{flex-basis:100%}.ereo-workspace-list{display:flex;flex-direction:column;gap:8px}.ereo-workspace-list button{text-align:left}.ereo-workspace-open #chat{padding-left:20px;padding-right:20px}#workspace-tools{border:0;background:transparent;color:var(--ink-soft,#666);cursor:pointer;padding:7px}#workspace-tools svg{display:block}.ereo-file-workspace{font:inherit;font-size:12px;border:1px solid var(--line,#ddd);border-radius:6px;background:var(--surface,#fff);color:var(--ink,#222);padding:6px 8px;cursor:pointer}@media(max-width:950px){.ereo-workspace{position:fixed;inset:0 0 0 auto;width:min(100vw,600px);z-index:80;box-shadow:-12px 0 40px #0002}.ereo-workspace-open #main-col{min-width:0}}@media(max-width:560px){.ereo-workspace{width:100vw;padding:14px 12px;max-height:100dvh}.ereo-workspace-editor{min-height:280px}.ereo-workspace-actions button{padding:7px 9px}.ereo-workspace-content iframe{min-height:320px}#workspace-tools{padding:5px}}
.ereo-workspace-preview-note,.ereo-workspace-hash{font-size:12px;line-height:1.55;color:var(--ink-soft,#666);overflow-wrap:anywhere}.ereo-workspace-preview-source{white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.6 ui-monospace,monospace;max-height:65vh;overflow:auto;background:var(--bg,#f5f5fb);padding:12px;border-radius:8px}.ereo-workspace-run-preview{margin:8px 0}.ereo-workspace-run{min-width:0}
/* Build 28: one output editor alongside its original conversation. */
.ereo-workspace-rename{display:flex;align-items:end;gap:8px;flex-wrap:wrap;padding:10px;border:1px solid var(--line,#ddd);border-radius:10px}.ereo-workspace-rename label{flex:1;min-width:180px;font-size:12px}.ereo-workspace-rename input{display:block;margin-top:5px}.ereo-workspace-head{position:sticky;top:-18px;background:var(--surface,#fff);z-index:2;padding-block:8px}.ereo-workspace-close{flex-shrink:0}.ereo-workspace-editor:disabled{opacity:.85}.ereo-workspace-selection[open]{display:block}.ereo-workspace-status{overflow-wrap:anywhere}.ereo-workspace[role=dialog]{overscroll-behavior:contain}.ereo-workspace [aria-label="Revision instructions"]{min-height:78px;resize:vertical}@media(min-width:951px){.ereo-workspace-open #main-col{min-width:0}.ereo-workspace{max-width:55vw}.ereo-workspace-editor{min-height:350px}}@media(max-width:560px){.ereo-workspace{height:100dvh;padding-top:max(10px,env(safe-area-inset-top));padding-bottom:max(14px,env(safe-area-inset-bottom))}.ereo-workspace-head{top:-10px}.ereo-workspace button{min-height:36px}.ereo-workspace-head h2{font-size:16px}.ereo-workspace-editor{min-height:40dvh}}

/* Build 38: bounded native document preview and explicit versioned operations. */
.ereo-native-workspace{display:flex;flex-direction:column;gap:10px;min-width:0}.ereo-native-document{background:#fff;color:#222;border:1px solid #ddd;border-radius:4px;padding:28px 24px;box-shadow:0 2px 8px #0001;overflow-wrap:anywhere;white-space:pre-wrap;font:15px/1.6 Georgia,serif}.ereo-native-document p{margin:0 0 12px}.ereo-native-page{display:block;background:#fff;border:1px solid #ddd;object-fit:contain;height:auto}.ereo-native-workspace select{width:100%;max-width:100%;padding:8px;border:1px solid var(--line,#ddd);border-radius:8px;background:var(--surface,#fff);color:inherit}.ereo-native-workspace select:focus-visible{outline:3px solid var(--primary,#6458e8);outline-offset:2px}
.ereo-native-document table{border-collapse:collapse;width:100%;font:13px/1.5 system-ui,sans-serif;margin:16px 0}.ereo-native-document td{border:1px solid #bbb;padding:6px;vertical-align:top}.ereo-native-document td p{margin:0}

/* Build 39: exact cell selection and independent calculation results. */
.ereo-workbook-scroll{overflow:auto;max-height:460px;border:1px solid var(--line,#ddd)}.ereo-workbook-grid{border-collapse:collapse;font:12px/1.4 system-ui,sans-serif;min-width:100%}.ereo-workbook-grid th{position:sticky;top:0;background:var(--bg,#f3f5f9);font-weight:600;padding:6px;z-index:1}.ereo-workbook-grid td{border:1px solid var(--line,#ddd);padding:0}.ereo-workbook-grid button{border:0;border-radius:0;min-width:85px;max-width:230px;width:100%;min-height:32px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:right}.ereo-workbook-grid .is-formula{color:var(--primary,#3159a0)}.ereo-workbook-detail{display:flex;flex-direction:column;gap:7px;border-top:1px solid var(--line,#ddd);padding-top:12px}.ereo-native-workspace input[type=checkbox]{width:auto}.ereo-workbook-chart{border-top:1px solid var(--line,#ddd);padding-top:12px}.ereo-workbook-chart svg{background:#fff;color:#222;border-radius:4px}.ereo-workbook-chart-data{border-collapse:collapse;width:100%;font-size:12px}.ereo-workbook-chart-data :is(th,td){text-align:right;border-bottom:1px solid var(--line,#ddd);padding:5px}.ereo-workbook-chart-data th:first-child{text-align:left}

.ereo-presentation-geometry { display:grid; grid-template-columns:repeat(auto-fit,minmax(110px,1fr)); gap:8px; }
.ereo-presentation-geometry input { width:100%; min-width:0; box-sizing:border-box; }
.ereo-presentation-object { border-top:1px solid var(--border-color,#ddd); margin-top:16px; }
.ereo-native-workspace .ereo-native-page { width:100%; height:auto; object-fit:contain; }

.ereo-archive-list { padding:0; list-style:none; max-height:320px; overflow:auto; }
.ereo-archive-list li { display:flex; flex-direction:column; padding:6px 0; border-bottom:1px solid #ddd; }
.ereo-archive-list button,.ereo-archive-path { overflow-wrap:anywhere; text-align:left; }
.ereo-archive-list small { padding:4px 0; }