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var(--space-2);background:var(--color-gray-300);border-radius:2px}.catalog-skel-page-right{opacity:0.7}.catalog-skel-indicator{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:var(--space-3);color:var(--color-gray-500);font-size:var(--font-size-sm)}@keyframes catalogSpin{to{transform:rotate(360deg)}}.catalog-spinner{width:36px;height:36px;border:3px solid rgba(255,255,255,0.7);border-top-color:var(--color-primary);border-radius:var(--radius-full);animation:catalogSpin 0.75s linear infinite}.catalog-consent-overlay{position:absolute;inset:0;background:var(--color-gray-50);display:flex;align-items:center;justify-content:center;z-index:3}.catalog-consent-inner{text-align:center;padding:var(--space-8);display:flex;flex-direction:column;align-items:center;gap:var(--space-4);max-width:420px}.catalog-consent-inner svg{color:var(--color-gray-400);flex-shrink:0}.catalog-consent-inner 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(max-width:600px){.catalog-iframe{height:520px}.catalog-wrapper{min-height:520px;border-radius:var(--radius-lg)}.catalog-skel-page-right,.catalog-skel-spine{display:none}.catalog-skel-book{padding:var(--space-3)}}.calc-info-toggle{display:flex;align-items:center;gap:0.4rem;width:100%;background:none;border:1.5px solid var(--color-gray-200);border-radius:var(--radius-full);padding:0.45rem 0.875rem;font-size:var(--font-size-sm);font-family:var(--font-family);font-weight:500;color:var(--color-gray-600);cursor:pointer;transition:border-color var(--transition-fast),color var(--transition-fast),background var(--transition-fast)}.calc-info-toggle svg{flex-shrink:0}.calc-info-toggle .calc-info-chevron{margin-left:auto;transition:transform var(--transition-fast)}.calc-info-toggle.active{border-color:var(--color-primary);color:var(--color-primary-dark);background:rgba(101,180,38,0.06)}.calc-info-toggle.active .calc-info-chevron{transform:rotate(180deg)}.calc-info-toggle:hover:not(.active){border-color:var(--color-gray-400);color:var(--color-gray-700)}.calc-info-panel{margin-top:0.75rem}.calc-info-panel[hidden]{display:none}.calc-info-desc{font-size:var(--font-size-sm);color:var(--color-gray-600);line-height:1.65;margin-bottom:0.75rem}.calc-info-desc p{margin:0 0 0.375rem}.calc-info-desc ul{padding-left:1.25rem;margin:0.25rem 0}.calc-info-desc li{margin-bottom:0.2rem}.calc-info-chart-title{font-size:var(--font-size-sm);font-weight:600;color:var(--color-gray-700);margin:0 0 0.625rem}.calc-info-chart-inner{display:flex;gap:0.875rem;align-items:flex-start;overflow-x:auto}.calc-info-chart-img{max-width:110px;flex-shrink:0;border-radius:var(--radius-md);border:1px solid var(--color-gray-200);background:var(--color-gray-50);object-fit:contain}.calc-info-chart-table-wrap{overflow-x:auto;flex:1;min-width:0}.calc-info-chart-table{border-collapse:collapse;font-size:var(--font-size-xs);white-space:nowrap;width:100%}.calc-info-chart-table th{background:var(--color-gray-50);font-weight:600;color:var(--color-gray-600);padding:0.3rem 0.625rem;border:1px solid var(--color-gray-200);text-align:left;font-size:0.7rem;text-transform:uppercase;letter-spacing:0.04em}.calc-info-chart-table td{padding:0.3rem 0.625rem;border:1px solid var(--color-gray-200);color:var(--color-gray-700)}.calc-info-chart-table tr:nth-child(even) td{background:var(--color-gray-50)}.calc-info-chart-table tr:first-child td{font-weight:600}@media (max-width:640px){.calc-info-chart-inner{flex-direction:column}.calc-info-chart-img{max-width:90px}}.calc-attr-group{margin-bottom:var(--space-4,1rem)}.calc-attr-group:last-of-type{margin-bottom:0}.calc-info-divider{border:none;border-top:1px solid var(--color-gray-100);margin:var(--space-4,1rem) 0 var(--space-3,0.75rem)}.calc-choices{display:flex;gap:var(--space-2,0.5rem);flex-wrap:wrap}.calc-choice-btn{display:inline-block;text-align:center;vertical-align:middle;line-height:1.3;background:var(--color-white,#fff);border:1.5px solid var(--color-gray-200);border-radius:var(--radius-md,6px);padding:0.375rem 0.75rem;font-size:var(--font-size-sm);font-family:var(--font-family);font-weight:500;color:var(--color-gray-700);cursor:pointer;transition:border-color var(--transition-fast),background var(--transition-fast),color var(--transition-fast)}.calc-choice-btn:hover{border-color:var(--color-gray-400);color:var(--color-gray-900)}.calc-choice-btn.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.error-page{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:var(--space-20) var(--space-4)}.error-code{font-size:clamp(5rem,15vw,9rem);font-weight:800;color:var(--color-primary);line-height:1;font-family:var(--font-heading);letter-spacing:-0.04em}.error-icon{margin:var(--space-6) 0 var(--space-4);color:var(--color-gray-300)}.dark .error-icon{color:var(--color-gray-600)}.error-title{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-gray-900);margin-bottom:var(--space-3);font-family:var(--font-heading)}.dark .error-title{color:var(--color-gray-50)}.error-description{color:var(--color-gray-500);max-width:540px;margin:0 auto var(--space-8);font-size:var(--font-size-lg);line-height:1.7}.dark .error-description{color:var(--color-gray-400)}.error-actions{display:flex;gap:var(--space-4);justify-content:center;flex-wrap:wrap}.error-divider{width:60px;height:4px;background:var(--color-primary);border-radius:var(--radius-full);margin:var(--space-5) auto}@media (max-width:480px){.error-actions{flex-direction:column;align-items:center}.error-actions .btn{width:100%;max-width:280px}}