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#0000000f}.sheet-header{text-align:center;border-bottom:1.5px solid #1e293b;flex-shrink:0;margin-bottom:10px;padding-bottom:6px}.sheet-title{color:#0f172a;letter-spacing:1px;margin-bottom:6px;font-size:18px;font-weight:700}.sheet-meta{color:#475569;justify-content:space-between;gap:12px;font-size:12px;display:flex}.sheet-meta-item{align-items:baseline;gap:6px;display:flex}.sheet-meta-label{color:#64748b;font-weight:500}.sheet-meta-line{border-bottom:1px solid #94a3b8;min-width:60px;height:14px;display:inline-block}.problems-wrap{flex:1;min-height:0}.problems-grid{grid-template-columns:1fr 1fr;grid-auto-rows:22mm;gap:0 12mm;font-size:13px;display:grid}.problem-item{color:#1e293b;align-items:center;gap:4px;min-width:0;padding:1px 0;font-size:1em;display:flex}.p-num{color:#64748b;flex-shrink:0;font-size:.85em;font-weight:500}.p-expr{letter-spacing:.2px;white-space:nowrap;flex:1;min-width:0;font-family:SF Mono,Monaco,Cascadia Code,monospace;font-size:1em;font-weight:500}.p-answer{color:#059669;flex-shrink:0;font-size:1em;font-weight:700}.sheet-footer{text-align:center;color:#94a3b8;border-top:1px solid #e2e8f0;flex-shrink:0;margin-top:4px;padding-top:4px;font-size:10px}.mobile-batch-bar{background:#fff;border:1px solid #e2e8f0;border-radius:12px;margin-bottom:12px;padding:10px;display:none}.mb-chips{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.mb-chip{color:#334155;cursor:pointer;background:#f8fafc;border:1px solid #cbd5e1;border-radius:999px;min-height:40px;padding:8px 14px;font-size:14px}.mb-chip.active{color:#fff;background:#0f5a3b;border-color:#0f5a3b}.mb-zoom{color:#0f5a3b;background:#ecfdf5;border-color:#a7f3d0;margin-left:auto}.mb-info{color:#64748b;word-break:break-all;padding:8px 2px 0;font-size:12.5px;line-height:1.5}.mb-info-label{color:#334155;margin-right:6px;font-weight:700}.mb-info.short{color:#b45309;font-weight:600}.mb-actions{flex-wrap:wrap;gap:6px;margin-top:6px;display:flex}.mb-btn{color:#334155;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:10px;min-height:42px;padding:10px 12px;font-size:14px}.mb-btn.active{color:#c2410c;background:#fff7ed;border-color:#f97316}@media (width<=1024px){.app-grid{grid-template-columns:1fr!important}.config-col{order:2}.preview-col{order:1}}@media (width<=1023.98px){.page-separator{display:none}.mobile-batch-bar{display:block}}@media print{@page{size:A4 portrait;margin:0}html,body{background:#fff!important}.no-print{display:none!important}.app-main,.app-container{max-width:none!important;margin:0!important;padding:0!important}.preview-col{margin-top:0!important}.print-flat{display:block!important}.sheet-scaler{width:auto!important;position:static!important;left:auto!important;transform:none!important}.sheet-viewport{height:auto!important;position:static!important;overflow:visible!important}.sheet-spacer{width:auto!important;height:auto!important;margin:0!important;position:static!important}.a4-page{-moz-column-break-after:page;break-after:page;page-break-after:always;width:210mm;height:297mm;box-shadow:none!important;margin:0!important}.a4-page:last-child{-moz-column-break-after:auto;break-after:auto;page-break-after:auto}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}