:root{--bg-canvas: #fbfaf7;--bg-surface: #ffffff;--bg-sidebar: #f6f4ee;--bg-subtle: #f1efe9;--bg-active: #eae7df;--ink-primary: #1c1917;--ink-secondary: #57534e;--ink-muted: #8c857b;--ink-faint: #b5b0a6;--border-default: #e5e2da;--border-strong: #d2cebf;--border-subtle: #edebe4;--accent-green: #266346;--accent-green-tint: #edf5f0;--accent-green-border: #b8d9c5;--accent-terra: #a63f2f;--accent-terra-tint: #faeee9;--accent-terra-border: #e8b6ad;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--header-height: 56px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-canvas);color:var(--ink-primary);line-height:1.5;font-size:14px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font-family:inherit;font-size:13px;cursor:pointer;border-radius:var(--radius-sm);border:1px solid var(--border-default);background:var(--bg-surface);color:var(--ink-primary);padding:6px 12px;display:inline-flex;align-items:center;gap:6px;transition:background .15s ease,border-color .15s ease}button:hover:not(:disabled){background:var(--bg-subtle);border-color:var(--border-strong)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--ink-primary);color:#fff;border-color:var(--ink-primary)}button.primary:hover:not(:disabled){background:#332f2b;border-color:#332f2b}button.green{background:var(--accent-green);color:#fff;border-color:var(--accent-green)}button.green:hover:not(:disabled){background:#1e4e37;border-color:#1e4e37}button.terracotta{background:var(--accent-terra);color:#fff;border-color:var(--accent-terra)}button.terracotta:hover:not(:disabled){background:#8b3427;border-color:#8b3427}button.subtle{background:transparent;border-color:transparent;color:var(--ink-secondary)}button.subtle:hover:not(:disabled){background:var(--bg-subtle);color:var(--ink-primary)}input,textarea,select{font-family:inherit;font-size:13px;border:1px solid var(--border-default);border-radius:var(--radius-sm);background:var(--bg-surface);color:var(--ink-primary);padding:6px 10px}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--ink-secondary)}.mono{font-family:var(--font-mono)}.app-container{display:flex;flex-direction:column;min-height:100vh}.app-header{height:var(--header-height);border-bottom:1px solid var(--border-default);background:var(--bg-surface);display:flex;align-items:center;justify-content:space-between;padding:0 20px;position:sticky;top:0;z-index:20}.brand-section{display:flex;align-items:center;gap:12px}.brand-title{font-size:16px;font-weight:600;letter-spacing:-.01em;color:var(--ink-primary);display:flex;align-items:center;gap:6px}.brand-badge{font-size:11px;text-transform:uppercase;letter-spacing:.05em;padding:2px 6px;border-radius:var(--radius-sm);background:var(--bg-subtle);color:var(--ink-secondary);border:1px solid var(--border-default)}.tenant-pill{font-size:11px;font-weight:500;padding:3px 8px;border-radius:var(--radius-sm);background:var(--bg-subtle);color:var(--ink-secondary);border:1px solid var(--border-default)}.lumenai-sphere-control{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:50%;padding:2px;transition:transform .15s ease,filter .15s ease}.lumenai-sphere-control:hover{transform:scale(1.1)}.lumenai-sphere-control:focus-visible{outline:2px solid var(--accent-green);outline-offset:2px}.header-actions{display:flex;align-items:center;gap:12px}.user-status{font-size:12px;color:var(--ink-secondary)}.workspace{display:flex;flex:1;overflow:hidden;height:calc(100vh - var(--header-height))}.sidebar{width:260px;border-right:1px solid var(--border-default);background:var(--bg-sidebar);display:flex;flex-direction:column;overflow-y:auto;flex-shrink:0;transition:width .15s ease}.sidebar.collapsed{width:60px}.sidebar-rail-header{display:flex;align-items:center;justify-content:space-between;padding:12px 12px 6px}.sidebar.collapsed .sidebar-rail-header{justify-content:center;padding:12px 6px 6px}.rail-collapse-toggle{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:var(--radius-sm);border:1px solid var(--border-default);background:var(--bg-surface);color:var(--ink-secondary);padding:0;cursor:pointer}.rail-collapse-toggle:hover{background:var(--bg-subtle);color:var(--ink-primary)}.sidebar-section-title{font-size:11px;text-transform:uppercase;letter-spacing:.06em;font-weight:600;color:var(--ink-muted)}.chapter-list{list-style:none;padding:0 8px 16px}.sidebar.collapsed .chapter-list{padding:0 4px 16px}.chapter-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:var(--radius-sm);margin-bottom:2px;cursor:pointer;font-size:13px;color:var(--ink-secondary);transition:background .1s ease;width:100%;text-align:left;border:none;background:transparent}.sidebar.collapsed .chapter-item{justify-content:center;padding:8px 0}.chapter-item:hover{background:var(--bg-subtle);color:var(--ink-primary)}.chapter-item.active{background:var(--bg-active);color:var(--ink-primary);font-weight:500}.chapter-icon-wrapper{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:18px;height:18px;color:var(--ink-muted)}.chapter-item.active .chapter-icon-wrapper{color:var(--accent-green)}.chapter-item-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.parity-gaps-section{margin-top:auto;border-top:1px solid var(--border-default);padding-top:8px}.badge-tag{font-size:10px;padding:1px 5px;border-radius:3px;font-weight:500}.badge-tag.gap{background:var(--accent-terra-tint);color:var(--accent-terra);border:1px solid var(--accent-terra-border)}.badge-tag.clean{background:var(--accent-green-tint);color:var(--accent-green)}.editor-pane{flex:1;display:flex;flex-direction:column;background:var(--bg-canvas);overflow-y:auto;padding:20px;gap:16px}.editor-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--border-default)}.chapter-meta{display:flex;align-items:baseline;gap:8px}.chapter-title-heading{font-size:18px;font-weight:600;letter-spacing:-.01em}.dirty-indicator{font-size:11px;color:var(--accent-terra);background:var(--accent-terra-tint);border:1px solid var(--accent-terra-border);padding:2px 6px;border-radius:var(--radius-sm);font-weight:500}.toolbar-buttons{display:flex;align-items:center;gap:8px}.editor-column-main{flex:1;display:flex;flex-direction:column;background:var(--bg-canvas);overflow-y:auto;padding:20px;gap:16px}.bilingual-grid{display:grid;grid-template-columns:1fr 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var(--border-default);border-radius:var(--radius-sm);background:var(--bg-surface);color:var(--ink-secondary);font:inherit;font-size:12px}.rich-editor-toolbar button:hover{color:var(--ink-primary);border-color:var(--accent-green);background:var(--accent-green-tint)}.rich-text-editor{flex:1;width:100%;min-height:560px;border:none;outline:none;padding:18px;font-family:var(--font-sans);font-size:14px;line-height:1.65;color:var(--ink-primary);background:var(--bg-surface);overflow-y:auto}.rich-text-editor:focus{box-shadow:inset 0 0 0 2px color-mix(in srgb,var(--accent-green) 45%,transparent)}.rich-text-editor h1,.rich-text-editor h2,.rich-text-editor h3{margin:1em 0 .45em;line-height:1.25}.rich-text-editor h1:first-child,.rich-text-editor h2:first-child,.rich-text-editor h3:first-child,.rich-text-editor p:first-child{margin-top:0}.rich-text-editor p{margin:0 0 .8em}.rich-text-editor ul,.rich-text-editor ol{margin:.5em 0 1em;padding-left:1.6em}.rich-text-editor [data-task-item=true]{list-style:none}.rich-text-editor [data-task-item=true]:before{content:"☐";display:inline-block;width:1.4em;margin-left:-1.4em;color:var(--accent-green)}.rich-text-editor [data-task-item=true][data-checked=true]:before{content:"☑"}.rich-callout{margin:1em 0;padding:12px 14px;border-left:4px solid var(--accent-terra);border-radius:var(--radius-sm);background:color-mix(in srgb,var(--accent-terra) 9%,var(--bg-surface))}.rich-callout-title{display:block;margin-bottom:6px;text-transform:uppercase;font-size:12px;letter-spacing:.04em}.assistant-pane{width:100%;border:1px solid var(--border-default);border-radius:var(--radius-md);background:var(--bg-surface);display:flex;flex-direction:column;overflow:visible;flex-shrink:0}.assistant-header{padding:14px 16px;border-bottom:1px solid var(--border-default);display:flex;align-items:center;justify-content:space-between;background:var(--bg-sidebar)}.assistant-title{font-size:13px;font-weight:600;color:var(--ink-primary)}.assistant-body{padding:16px;display:flex;flex-direction:column;gap:14px}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:12px;font-weight:500;color:var(--ink-secondary)}.suggestion-box{border:1px solid var(--border-strong);border-radius:var(--radius-md);background:var(--bg-canvas);padding:12px;display:flex;flex-direction:column;gap:10px}.suggestion-header{display:flex;align-items:center;justify-content:space-between;font-size:11px;text-transform:uppercase;letter-spacing:.04em;font-weight:600;color:var(--ink-secondary)}.proposal-controls-bar{display:flex;align-items:center;justify-content:space-between;padding:4px 0;border-bottom:1px solid var(--border-subtle)}.selection-buttons{display:flex;align-items:center;gap:8px}.proposal-blocks-list{display:flex;flex-direction:column;gap:10px;max-height:380px;overflow-y:auto;padding-right:4px}.proposal-block-item{border:1px solid var(--border-default);border-radius:var(--radius-sm);background:var(--bg-surface);padding:8px 10px;display:flex;flex-direction:column;gap:6px;transition:border-color .15s ease}.proposal-block-item.selected{border-color:var(--accent-green-border);background:#fafdfb}.proposal-block-item.unselected{opacity:.7}.proposal-block-header{display:flex;align-items:center;justify-content:space-between}.block-select-label{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:600;color:var(--ink-secondary);cursor:pointer}.proposal-block-textarea{width:100%;font-family:var(--font-mono);font-size:12px;line-height:1.5;resize:vertical;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:6px 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var(--accent-terra-border);color:var(--accent-terra)}.modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#1c191773;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal-dialog{background:var(--bg-surface);border:1px solid var(--border-strong);border-radius:var(--radius-lg);width:100%;max-width:520px;box-shadow:0 4px 20px #00000014;display:flex;flex-direction:column;overflow:hidden}.modal-header{padding:16px 20px;border-bottom:1px solid var(--border-default);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:15px;font-weight:600}.modal-body{padding:20px;display:flex;flex-direction:column;gap:14px}.modal-footer{padding:14px 20px;border-top:1px solid var(--border-default);background:var(--bg-subtle);display:flex;align-items:center;justify-content:flex-end;gap:10px}.modal-notice{font-size:12px;color:var(--ink-secondary);background:var(--bg-subtle);border:1px solid var(--border-default);padding:10px 12px;border-radius:var(--radius-sm);line-height:1.4}.centered-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;padding:40px 20px;max-width:480px;margin:auto}.state-title{font-size:18px;font-weight:600;margin-bottom:8px}.state-desc{font-size:13px;color:var(--ink-secondary);margin-bottom:20px;line-height:1.5}.workflow-stages-bar{display:flex;align-items:center;gap:10px;padding:8px 20px;background:var(--bg-surface);border-bottom:1px solid var(--border-default);font-size:13px;overflow-x:auto}.workflow-stage{display:flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-sm);color:var(--ink-muted);background:transparent;font-weight:500;transition:all .2s ease;white-space:nowrap}.workflow-stage.active{color:var(--accent-green);background:var(--accent-green-tint);font-weight:600}.stage-step{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:var(--bg-subtle);color:var(--ink-secondary);font-size:11px;font-weight:700}.workflow-stage.active .stage-step{background:var(--accent-green);color:#fff}.stage-name{font-size:13px}.stage-arrow{color:var(--ink-muted);font-size:12px;-webkit-user-select:none;user-select:none}.modal-title-wrap{display:flex;flex-direction:column;gap:4px}.confirm-meta-box{display:grid;gap:6px;padding:12px;border:1px solid var(--border-default);border-radius:var(--radius-sm);background:var(--bg-subtle);font-size:13px}.view-saved-link{color:var(--accent-green);font-weight:600}@media(max-width:1024px){.workspace{flex-direction:column;height:auto;overflow:visible}.sidebar{width:100%;border-right:none;border-bottom:1px solid var(--border-default);max-height:240px}.sidebar.collapsed{width:100%;max-height:60px}}@media(max-width:640px){.bilingual-grid{grid-template-columns:1fr}}