:root{color-scheme:dark;--surface-canvas: #121110;--surface-base: #191715;--surface-panel: #1f1d1b;--surface-raised: #292623;--surface-overlay: #332f2b;--border-subtle: #2a2724;--border-default: #383430;--border-strong: #4a453f;--text-primary: #efeae4;--text-secondary: #a89f96;--text-muted: #7a736c;--text-disabled: #57514b;--accent: #4f97d4;--accent-strong: #8ec4ea;--accent-soft: #1e3b52;--success: #5fd0a0;--warning: #d9a441;--danger: #e0685a;--text-on-accent: #ffffff;--danger-text: #f4b3aa;--danger-soft-text: #f0a298;--shadow-soft: #0007;--shadow-strong: #0009;--backdrop: #000a;--shadow-deep: #000c;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-6: 24px;--space-8: 32px;--radius-field: 4px;--radius-control: 6px;--radius-overlay: 10px;--font-ui: Inter, "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;--font-mono: ui-monospace, "Cascadia Mono", Consolas, 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var(--border-strong);background:var(--surface-panel);box-shadow:-20px 0 60px var(--shadow-strong);overflow:auto}.overlay-header{display:flex;justify-content:space-between;align-items:center;gap:var(--space-3);margin-bottom:var(--space-4)}.overlay-header h2{margin:0}.overlay-close-icon:before{content:"×";font-size:18px}.import-dropzone-shell{margin:var(--space-4) 0;padding:4px;border:1px dashed var(--border-strong);border-radius:var(--radius-overlay)}.import-dropzone-shell.drag-active{border-color:var(--accent);background:var(--accent-soft)}.import-dropzone{display:grid;width:100%;min-height:132px;place-items:center;align-content:center;gap:var(--space-2);border:0;background:var(--surface-base)}.import-dropzone-icon{width:34px;height:34px;border:1px solid var(--accent);border-radius:50%;background:var(--accent-soft)}.import-dropzone-icon:before{content:"+";display:grid;height:100%;place-items:center;color:var(--accent-strong);font-size:22px}.import-dropzone span{color:var(--text-muted);font-size:12px}.import-unit-segment{padding:0;border:0}.import-unit-segment legend{margin-bottom:var(--space-2);color:var(--text-secondary);font-size:12px}.import-unit-options{display:grid;grid-template-columns:1fr 1fr}.import-unit-options button{border-radius:0}.import-unit-options button:first-child{border-radius:var(--radius-control) 0 0 var(--radius-control)}.import-unit-options button:last-child{border-radius:0 var(--radius-control) var(--radius-control) 0}.import-unit-options button[aria-pressed=true]{border-color:var(--accent);color:var(--accent-strong);background:var(--accent-soft)}.import-queue{margin-top:var(--space-4)}.import-queue-header{display:flex;justify-content:space-between;align-items:center}.import-queue-header h3{margin:0}.import-file-list{display:grid;gap:4px;margin:var(--space-2) 0 0;padding:0;list-style:none}.import-file-row{display:grid;grid-template-columns:minmax(0,1fr) 90px 110px 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10%,var(--surface-base))}.export-summary.blocked{color:var(--text-muted);background:var(--surface-base)}.disclosure-button{color:var(--text-secondary);background:transparent}.operation-history-list{display:grid;gap:4px;padding-left:22px}.operation-history-list button{width:100%;text-align:left}.operation-history-list button[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft)}.operation-history-preview{margin:var(--space-3) 0;padding:var(--space-3);border:1px solid var(--accent);border-radius:var(--radius-control);background:var(--accent-soft)}@media(max-width:520px){.modal-backdrop{padding:var(--space-2)}.import-dialog,.overlay-drawer{padding:var(--space-4)}.import-file-row{grid-template-columns:minmax(0,1fr) auto}.import-file-kind,.import-file-state{grid-column:1}.import-actions{grid-template-columns:1fr}}