:root{--calculator-primary:#0066cc;--calculator-primary-hover:#0052a3;--calculator-success:#198754;--calculator-success-hover:#157347;--calculator-warning:#fd7e14;--calculator-warning-hover:#e8681a;--calculator-danger:#dc3545;--calculator-danger-hover:#bb2d3b;--step-active:#28a745;--step-active-light:#5cb85c;--step-active-dark:#1e7e34;--step-completed:#198754;--step-inactive:#6c757d;--transition-smooth:all 0.3s cubic-bezier(0.4,0,0.2,1);--border-radius:12px;--border-radius-lg:16px;--shadow-sm:0 2px 8px rgba(0,0,0,0.08);--shadow-base:0 4px 12px rgba(0,0,0,0.1);--shadow-lg:0 8px 32px rgba(0,0,0,0.15);--success-green:#10b981;--success-green-hover:#059669;--construction-orange:#f59e0b;--construction-orange-hover:#d97706;--gradient-success:linear-gradient(135deg,#10b981 0%,#059669 100%);--gradient-construction:linear-gradient(135deg,#f59e0b 0%,#d97706 100%);--gradient-danger:linear-gradient(135deg,#ef4444 0%,#dc2626 100%)}.equal-height-layout .equal-height-row{display:flex;align-items:stretch}.equal-height-col{display:flex;flex-direction:column}.selection-panel{background:white;border-radius:var(--border-radius);padding:1.5rem;box-shadow:var(--shadow-base);border:2px solid #e9ecef;height:100%;min-height:450px;display:flex;flex-direction:column;transition:var(--transition-smooth);position:relative}.step-panel-1.current-step .selection-panel,.step-panel-2.current-step .selection-panel{box-shadow:var(--shadow-base),inset 0 0 20px rgba(40,167,69,0.05);background:radial-gradient(circle at top right,rgba(40,167,69,0.02) 0%,transparent 50%),white}.step-panel-3 .selection-panel{overflow:hidden}@keyframes step-blink-green-subtle{0%,100%{border-color:var(--step-active);box-shadow:0 0 0 2px rgba(40,167,69,0.15),var(--shadow-base)}50%{border-color:var(--step-active);box-shadow:0 0 0 3px rgba(40,167,69,0.25),0 0 15px rgba(40,167,69,0.2),var(--shadow-base)}}.step-panel-1.current-step .selection-panel,.step-panel-2.current-step .selection-panel{animation:step-blink-green-subtle 2.5s ease-in-out infinite;border-color:var(--step-active);border-width:2px;position:relative}.step-panel-3.current-step .selection-panel{border-color:var(--step-active);border-width:2px;box-shadow:0 0 0 2px rgba(40,167,69,0.15),var(--shadow-base);position:relative}.step-panel-3.current-step .selection-panel:has(.step-guide-display),.step-panel-3.current-step .selection-panel:has(.calculator-welcome-refined),.step-panel-3.current-step .selection-panel:has(.calculator-step-refined){animation:step-blink-green-subtle 2.5s ease-in-out infinite}.step-panel-1.current-step .selection-panel:not(:has(.wunderbaum))::before,.step-panel-2.current-step .selection-panel:not(:has(.wunderbaum))::before,.step-panel-3.current-step .selection-panel:has(.step-guide-display)::before,.step-panel-3.current-step .selection-panel:has(.calculator-welcome-refined)::before,.step-panel-3.current-step .selection-panel:has(.calculator-step-refined)::before{content:"👆";position:absolute;top:-40px;left:50%;transform:translateX(-50%);font-size:24px;animation:bounce-arrow 1.5s ease-in-out infinite;z-index:100}.step-panel-3.current-step .selection-panel:has(.result-card-refined)::before{display:none}@keyframes bounce-arrow{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-10px)}}.step-panel-1.current-step .selection-panel::after{content:"Начните здесь - выберите регионы";position:absolute;top:-25px;left:50%;transform:translateX(-50%);font-size:14px;font-weight:600;color:var(--step-active);background:white;padding:4px 12px;border-radius:20px;box-shadow:0 2px 10px rgba(40,167,69,0.2);white-space:nowrap;z-index:99}.step-panel-2.current-step .selection-panel::after{content:"Теперь выберите категории товаров";position:absolute;top:-25px;left:50%;transform:translateX(-50%);font-size:14px;font-weight:600;color:var(--step-active);background:white;padding:4px 12px;border-radius:20px;box-shadow:0 2px 10px rgba(40,167,69,0.2);white-space:nowrap;z-index:99}.construction-calculator-page .step-panel-2.current-step .selection-panel::after{content:"Теперь выберите виды работ"}.step-panel-3.current-step .selection-panel:has(.step-guide-display)::after,.step-panel-3.current-step .selection-panel:has(.calculator-welcome-refined)::after,.step-panel-3.current-step .selection-panel:has(.calculator-step-refined)::after{content:"Готово! Нажмите кнопку для покупки";position:absolute;top:-25px;left:50%;transform:translateX(-50%);font-size:14px;font-weight:600;color:var(--step-active);background:white;padding:4px 12px;border-radius:20px;box-shadow:0 2px 10px rgba(40,167,69,0.2);white-space:nowrap;z-index:99}.step-panel-3.current-step .selection-panel:has(.result-card-refined)::after{display:none}.step-number-flow.active{background:var(--step-active);color:white;border-color:var(--step-active);box-shadow:0 2px 10px rgba(40,167,69,0.3);animation:pulse-step-green-subtle 2s infinite}@keyframes pulse-step-green-subtle{0%,100%{box-shadow:0 2px 10px rgba(40,167,69,0.3);transform:scale(1)}50%{box-shadow:0 4px 15px rgba(40,167,69,0.4);transform:scale(1.05)}}.step-number-flow.completed{background:var(--step-completed);color:white;border-color:var(--step-completed);box-shadow:0 2px 10px rgba(25,135,84,0.3);position:relative;overflow:hidden}.step-number-flow.completed::after{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,0.3) 50%,transparent 70%);transform:rotate(45deg) translateX(-100%);animation:shine 3s ease-in-out infinite}@keyframes shine{0%{transform:rotate(45deg) translateX(-100%)}100%{transform:rotate(45deg) translateX(100%)}}.step-title-flow{font-size:1.1rem;font-weight:600;color:#2c3e50;margin:0;transition:var(--transition-smooth)}.current-step .step-title-flow{color:var(--step-active);font-weight:700;position:relative}.current-step .step-title-flow::before{content:'';position:absolute;left:-15px;top:50%;transform:translateY(-50%);width:6px;height:6px;background:var(--step-active);border-radius:50%;animation:pulse-dot 2s ease-in-out infinite}@keyframes pulse-dot{0%,100%{opacity:1;transform:translateY(-50%) scale(1)}50%{opacity:0.6;transform:translateY(-50%) scale(1.2)}}.step-panel-1,.step-panel-2,.step-panel-3{transition:var(--transition-smooth);position:relative}.step-inactive{opacity:0.7;pointer-events:none}.step-inactive .selection-panel{background:#f8f9fa!important;border-color:#dee2e6!important}.step-active{opacity:1;pointer-events:auto}.construction-calculator-page{--step-active:var(--construction-orange);--step-active-light:#fbbf24;--step-active-dark:#d97706}.construction-calculator-page .step-panel-1.current-step .selection-panel,.construction-calculator-page .step-panel-2.current-step .selection-panel,.construction-calculator-page .step-panel-3.current-step .selection-panel{border-color:var(--construction-orange)}.construction-calculator-page .step-panel-1.current-step .selection-panel,.construction-calculator-page .step-panel-2.current-step .selection-panel{box-shadow:var(--shadow-base),inset 0 0 20px rgba(245,158,11,0.05)}.construction-calculator-page .step-panel-3.current-step .selection-panel{box-shadow:0 0 0 2px rgba(245,158,11,0.15),var(--shadow-base)}.construction-calculator-page .purchase-button-refined{background:var(--gradient-danger);box-shadow:0 6px 20px rgba(239,68,68,0.3)}.construction-calculator-page .purchase-button-refined:hover{box-shadow:0 8px 30px rgba(239,68,68,0.4)}.construction-calculator-page .button-glow-refined{background:linear-gradient(45deg,#ef4444,#dc2626,#b91c1c,#ef4444)}.construction-calculator-page .companies-icon-refined{background:var(--gradient-construction);border-color:var(--construction-orange);box-shadow:0 4px 15px rgba(245,158,11,0.4)}.construction-calculator-page .companies-number-refined{color:var(--construction-orange)}.construction-calculator-page .discount-info-combined{border-left-color:rgba(245,158,11,0.3)}.construction-calculator-page .price-new-combined{color:var(--construction-orange)}.construction-calculator-page .savings-info-combined{background:rgba(245,158,11,0.1);border-left-color:var(--construction-orange);color:var(--construction-orange)}.construction-calculator-page .savings-info-combined i{color:var(--construction-orange)}.construction-calculator-page .motivation-info-combined{background:rgba(245,158,11,0.1);border-left-color:var(--construction-orange);color:#92400e}.construction-calculator-page .motivation-info-combined i{color:var(--construction-orange)}@media (max-width:1199.98px){.selection-panel{min-height:480px}.step-panel-3 .selection-panel{min-height:480px;max-height:480px}.step-panel-1.current-step .selection-panel::after,.step-panel-2.current-step .selection-panel::after,.step-panel-3.current-step .selection-panel::after{font-size:13px;padding:3px 10px}}@media (max-width:991.98px){.selection-panel{min-height:450px;margin-bottom:1.5rem}.step-panel-3 .selection-panel{min-height:450px;max-height:none}}@media (max-width:767.98px){.selection-panel{min-height:420px;padding:1.25rem}.step-panel-1.current-step .selection-panel::before,.step-panel-2.current-step .selection-panel::before,.step-panel-3.current-step .selection-panel::before{display:none}.step-panel-1.current-step .selection-panel::after,.step-panel-2.current-step .selection-panel::after,.step-panel-3.current-step .selection-panel::after{font-size:12px;padding:2px 8px;top:-20px}.step-panel-1.current-step .selection-panel,.step-panel-2.current-step .selection-panel,.step-panel-3.current-step .selection-panel{animation:none;border-color:var(--step-active);box-shadow:0 0 0 1px rgba(40,167,69,0.2),var(--shadow-base)}.companies-display-refined{gap:0.75rem;margin-bottom:0.75rem;padding-bottom:0.75rem}.companies-icon-refined{width:35px;height:35px;font-size:1rem;margin-right:0.5rem}.companies-number-refined{font-size:1.5rem}.companies-label-refined{font-size:0.85rem}.discount-info-combined{padding:0.75rem;margin-bottom:0.75rem}.price-row{gap:0.4rem;flex-wrap:wrap;margin-bottom:0.5rem}.price-new-combined{font-size:1.2rem}.price-label-combined{font-size:0.9rem}.savings-info-combined{padding:0.4rem 0.6rem;font-size:0.85rem;margin-bottom:0.5rem}.motivation-info-combined{padding:0.4rem 0.6rem;font-size:0.8rem}.button-content-refined{padding:0.875rem 1rem;gap:0.5rem}.button-icon-refined{width:32px;height:32px;font-size:1rem}.button-title-refined{font-size:0.9rem}.button-subtitle-refined{font-size:0.7rem}.button-price-new-refined{font-size:1.1rem}.step-header-flow{margin-bottom:0.75rem;padding-bottom:0.5rem}.step-number-flow{width:35px;height:35px;font-size:1rem;margin-right:0.75rem}.step-title-flow{font-size:1rem}}@media (max-width:575.98px){.selection-panel{min-height:380px;padding:1rem}.step-panel-1.current-step .selection-panel::after,.step-panel-2.current-step .selection-panel::after,.step-panel-3.current-step .selection-panel::after{display:none}.companies-icon-refined{width:32px;height:32px;font-size:0.9rem;margin-right:0.4rem}.companies-number-refined{font-size:1.3rem}.companies-label-refined{font-size:0.8rem}.discount-info-combined{padding:0.6rem}.price-row{gap:0.3rem;margin-bottom:0.4rem}.price-new-combined{font-size:1.1rem}.price-label-combined{font-size:0.85rem}.savings-info-combined{padding:0.3rem 0.5rem;font-size:0.8rem;margin-bottom:0.4rem}.motivation-info-combined{padding:0.3rem 0.5rem;font-size:0.75rem}.button-title-refined{font-size:0.85rem}.button-price-new-refined{font-size:1rem}.step-number-flow{width:30px;height:30px;font-size:0.9rem}}.step-number-flow:focus,.purchase-button-refined:focus{outline:2px solid var(--calculator-primary);outline-offset:2px}.selection-panel:focus-within{outline:2px solid var(--calculator-primary);outline-offset:2px}.current-step .selection-panel:focus-within{outline-color:var(--step-active);outline-width:3px}.retry-button-refined:focus{outline:2px solid var(--calculator-primary);outline-offset:2px}@media (prefers-contrast:high){.result-card-refined,.calculator-welcome-refined,.calculator-step-refined,.calculator-loading-refined,.calculator-error-refined,.selection-panel{border:2px solid #000}.purchase-button-refined{border:2px solid #000}.step-number-flow{border:2px solid #000}.companies-icon-refined{border:2px solid #000}}@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important}.purchase-button-refined:hover{transform:none!important}.step-number-flow.active{animation:none!important}.button-glow-refined{animation:none!important}.step-panel-1.current-step .selection-panel,.step-panel-2.current-step .selection-panel,.step-panel-3.current-step .selection-panel{animation:none!important}}@media print{.calculator-result-refined,.result-card-refined{page-break-inside:avoid}.purchase-button-refined{display:none}.motivation-info-combined{display:none}.button-glow-refined{display:none}}.calculator-trust-banner{background:linear-gradient(135deg,#f8fafc 0%,#e2e8f0 100%);border-radius:var(--border-radius-lg);padding:1.5rem;box-shadow:var(--shadow-base);border:1px solid #e9ecef;margin-bottom:2rem}.trust-banner-content{display:flex;flex-direction:column;gap:1rem}.trust-banner-header{display:flex;align-items:center;gap:1rem;margin-bottom:0.5rem}.trust-banner-icon{width:48px;height:48px;background:var(--gradient-success);border-radius:50%;display:flex;align-items:center;justify-content:center;color:white;font-size:1.25rem;flex-shrink:0}.trust-banner-title h3{font-size:1.2rem;font-weight:700;color:#1e293b;margin-bottom:0.25rem}.trust-banner-title p{font-size:0.9rem;color:#64748b;margin:0}.trust-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.trust-feature{display:flex;align-items:center;gap:0.75rem;font-size:0.85rem;color:#475569;font-weight:500}.trust-feature i{color:var(--success-green);font-size:1rem;flex-shrink:0}@media (max-width:767.98px){.trust-banner-header{flex-direction:column;text-align:center;gap:0.75rem}.trust-banner-icon{width:40px;height:40px;font-size:1.1rem}.trust-banner-title h3{font-size:1.1rem}.trust-features{grid-template-columns:1fr;gap:0.75rem}.trust-feature{font-size:0.8rem}}.step-panel-3.current-step .result-card-refined::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-success);border-radius:var(--border-radius-lg) var(--border-radius-lg) 0 0;animation:shimmer 3s ease-in-out infinite}.construction-calculator-page .step-panel-3.current-step .result-card-refined::before{background:var(--gradient-construction)}@keyframes shimmer{0%,100%{opacity:1}50%{opacity:0.7}}.companies-display-refined{display:flex;align-items:center;gap:1rem;margin-bottom:1rem;padding-bottom:1rem;border-bottom:2px solid #e9ecef}.companies-icon-refined{width:40px;height:40px;background:var(--gradient-success);border-radius:50%;display:flex;align-items:center;justify-content:center;color:white;font-size:1.2rem;flex-shrink:0;box-shadow:0 4px 15px rgba(16,185,129,0.4);animation:pulse-icon 3s ease-in-out infinite}@keyframes pulse-icon{0%,100%{transform:scale(1);box-shadow:0 4px 15px rgba(16,185,129,0.4)}50%{transform:scale(1.05);box-shadow:0 6px 20px rgba(16,185,129,0.6)}}.companies-info-refined{flex:1;min-width:0}.companies-number-refined{font-size:1.8rem;font-weight:800;color:var(--success-green);line-height:1;margin-bottom:0.25rem}.companies-label-refined{font-size:0.9rem;color:#64748b;font-weight:500}.discount-info-combined{background:#f0f9ff;border-radius:var(--border-radius);padding:1rem;margin-bottom:1rem;border-left:4px solid rgba(16,185,129,0.3)}.price-row{display:flex;align-items:baseline;gap:0.5rem;margin-bottom:0.75rem}.price-old-combined{font-size:1rem;color:#94a3b8;text-decoration:line-through;font-weight:500}.price-new-combined{font-size:1.5rem;font-weight:800;color:var(--success-green);text-shadow:0 1px 2px rgba(0,0,0,0.1)}.price-label-combined{font-size:1rem;color:#64748b;font-weight:500}.savings-info-combined{background:rgba(16,185,129,0.1);border-radius:var(--border-radius);padding:0.5rem 0.75rem;margin-bottom:0.75rem;display:flex;align-items:center;gap:0.5rem;font-size:0.9rem;font-weight:600;color:var(--success-green);border-left:3px solid var(--success-green)}.savings-info-combined i{font-size:1rem;color:var(--success-green);flex-shrink:0}.motivation-info-combined{background:rgba(245,158,11,0.1);border-radius:var(--border-radius);padding:0.5rem 0.75rem;margin-bottom:1rem;display:flex;align-items:center;gap:0.5rem;font-size:0.85rem;font-weight:500;color:#92400e;border-left:3px solid var(--construction-orange)}.motivation-info-combined i{font-size:1rem;color:var(--construction-orange);flex-shrink:0}.purchase-button-refined{background:var(--gradient-danger);color:white;border:none;border-radius:var(--border-radius-lg);padding:0;font-size:1rem;font-weight:600;cursor:pointer;position:relative;overflow:hidden;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);box-shadow:0 6px 20px rgba(239,68,68,0.3);text-decoration:none;display:block;width:100%;height:80px}.step-panel-3.current-step .purchase-button-refined{animation:pulse-button 3s ease-in-out infinite;position:relative}.step-panel-3.current-step .purchase-button-refined::after{content:'';position:absolute;top:-4px;left:-4px;right:-4px;bottom:-4px;background:linear-gradient(45deg,#ef4444,#dc2626);border-radius:var(--border-radius-lg);opacity:0;z-index:-1;animation:button-glow-pulse 3s ease-in-out infinite}@keyframes button-glow-pulse{0%,100%{opacity:0;transform:scale(1)}50%{opacity:0.3;transform:scale(1.02)}}@keyframes pulse-button{0%,100%{box-shadow:0 6px 20px rgba(239,68,68,0.3);transform:translateY(0)}50%{box-shadow:0 8px 30px rgba(239,68,68,0.5);transform:translateY(-2px)}}.purchase-button-refined:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(239,68,68,0.4)}.purchase-button-refined:active{transform:translateY(0);transition:all 0.2s ease}.button-glow-refined{position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:linear-gradient(45deg,#ef4444,#dc2626,#b91c1c,#ef4444);background-size:300% 300%;animation:gradientShift 3s ease infinite;z-index:1;border-radius:var(--border-radius-lg)}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}.button-content-refined{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;background:rgba(0,0,0,0.1);backdrop-filter:blur(10px);border-radius:var(--border-radius-lg);height:100%;gap:0.75rem}.button-main-content-refined{display:flex;align-items:center;gap:0.75rem;flex:1;min-width:0}.button-icon-refined{width:36px;height:36px;background:rgba(255,255,255,0.2);border-radius:var(--border-radius);display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0;transition:var(--transition-smooth)}.purchase-button-refined:hover .button-icon-refined{transform:scale(1.1);background:rgba(255,255,255,0.3)}.button-text-refined{flex:1;text-align:left;min-width:0}.button-title-refined{font-size:1rem;font-weight:700;margin-bottom:0.15rem;line-height:1.2}.button-subtitle-refined{font-size:0.75rem;opacity:0.9;font-weight:500;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.button-pricing-refined{text-align:right;flex-shrink:0}.button-price-old-refined{font-size:0.8rem;opacity:0.7;text-decoration:line-through;margin-bottom:0.15rem;display:block}.button-price-new-refined{font-size:1.3rem;font-weight:800;line-height:1;text-shadow:0 1px 2px rgba(0,0,0,0.2)}.calculator-loading-refined{background:linear-gradient(145deg,#ffffff 0%,#f8fafc 100%);border-radius:var(--border-radius-lg);padding:2rem 1.5rem;text-align:center;box-shadow:var(--shadow-base);border:1px solid rgba(255,255,255,0.8);height:100%;display:flex;flex-direction:column;justify-content:center}.step-panel-3.current-step .calculator-loading-refined{border:2px solid var(--step-active);box-shadow:0 0 0 2px rgba(40,167,69,0.15),var(--shadow-base)}.loading-spinner-refined{margin:0 auto 1rem}.spinner-refined{width:36px;height:36px;border:3px solid #e2e8f0;border-top:3px solid var(--calculator-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.loading-title-refined{font-size:1.1rem;font-weight:700;color:#1e293b;margin-bottom:0.5rem}.loading-text-refined{color:#64748b;font-size:0.9rem;margin-bottom:0}.calculator-welcome-refined,.calculator-step-refined,.calculator-error-refined{background:linear-gradient(145deg,#ffffff 0%,#f8fafc 100%);border-radius:var(--border-radius-lg);padding:1.5rem;text-align:center;box-shadow:var(--shadow-base);border:1px solid rgba(255,255,255,0.8);height:100%;display:flex;flex-direction:column;justify-content:center}.welcome-icon-refined,.step-icon-refined,.error-icon-refined{width:48px;height:48px;margin:0 auto 1rem;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.25rem}.welcome-icon-refined{background:linear-gradient(135deg,var(--calculator-primary),#1976d2);color:white;box-shadow:0 4px 16px rgba(0,102,204,0.3)}.step-icon-refined{background:var(--gradient-construction);color:white;box-shadow:0 4px 16px rgba(245,158,11,0.3)}.error-icon-refined{background:linear-gradient(135deg,#ef4444 0%,#dc2626 100%);color:white;box-shadow:0 4px 16px rgba(239,68,68,0.3)}.welcome-title-refined,.step-title-refined,.error-title-refined{font-size:1.2rem;font-weight:700;color:#1e293b;margin-bottom:0.75rem}.welcome-text-refined,.step-description-refined,.error-message-refined{color:#64748b;margin-bottom:1rem;line-height:1.5;font-size:0.9rem}.welcome-steps-refined{display:flex;flex-direction:column;gap:0.75rem;align-items:center}.step-refined{display:flex;align-items:center;gap:0.5rem;font-size:0.8rem;color:#64748b;font-weight:500}.step-number-refined{width:24px;height:24px;background:linear-gradient(135deg,var(--calculator-primary),#1976d2);color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0.75rem;font-weight:700;flex-shrink:0}.step-progress-refined{font-size:0.75rem;color:#94a3b8;font-weight:600;text-transform:uppercase;letter-spacing:0.3px;margin-top:0.5rem}.retry-button-refined{background:linear-gradient(135deg,var(--calculator-primary),#1976d2);color:white;border:none;border-radius:var(--border-radius);padding:0.75rem 1.25rem;font-size:0.85rem;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:0.4rem;margin:0.75rem auto 0;transition:var(--transition-smooth);box-shadow:var(--shadow-sm)}.retry-button-refined:hover{transform:translateY(-1px);box-shadow:var(--shadow-base)}.retry-button-refined i{font-size:0.9rem;animation:spin 2s linear infinite}.step-header-flow{display:flex;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:2px solid #e9ecef;position:relative;z-index:10;transition:border-color 0.3s ease}.current-step .step-header-flow{border-bottom-color:var(--step-active)}.step-number-flow{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;margin-right:1rem;transition:var(--transition-smooth);border:3px solid;position:relative;z-index:2;flex-shrink:0}.step-number-flow.inactive{background:#f8f9fa;color:var(--step-inactive);border-color:#e9ecef;box-shadow:none}.wunderbaum{border:1px solid #e0e6ed;border-radius:8px;background:#fff;font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;font-size:0.9rem;height:300px;max-height:300px;overflow-y:auto;position:relative}@media (max-width:767.98px){.wunderbaum{height:350px;max-height:350px}}@media (max-width:991.98px) and (min-width:768px){.wunderbaum{height:380px;max-height:380px}}.wunderbaum .wb-node{padding:0.4rem 0.5rem;border-bottom:1px solid #f8f9fa;transition:none!important;position:relative;min-height:36px;display:flex;align-items:center}.wunderbaum .wb-node:hover{background-color:#f8f9fa;transition:none!important}.wunderbaum .wb-node.wb-selected{background-color:#e3f2fd;border-color:#2196f3;transition:none!important}.wunderbaum .wb-node:last-child{border-bottom:none}.wunderbaum .wb-title{color:#495057;font-weight:500;line-height:1.4;display:inline;flex:1;word-break:break-word}.wunderbaum .wb-node.wb-selected .wb-title{color:#1976d2;font-weight:600}.wunderbaum .wb-checkbox{margin-right:0.5rem;accent-color:#0066cc;transform:scale(1.1);flex-shrink:0}.wunderbaum .wb-node:not(.wb-has-children) .wb-expander{display:none!important;width:0!important;margin:0!important;padding:0!important}.wunderbaum .wb-node.wb-has-children .wb-expander{display:inline-flex!important;width:18px!important;height:18px!important;margin-right:0.5rem!important;color:#6c757d!important;cursor:pointer!important;align-items:center!important;justify-content:center!important;font-size:14px!important;font-weight:bold!important;transition:none!important;transform:none!important;animation:none!important;flex-shrink:0!important;border-radius:3px}.wunderbaum .wb-node.wb-has-children .wb-expander::before{content:"►"!important;display:inline-block!important;font-family:"Segoe UI",Tahoma,Arial,sans-serif!important;font-size:12px!important;font-style:normal!important;font-weight:normal!important;line-height:1!important;text-align:center!important;vertical-align:middle!important;width:auto!important;height:auto!important;margin:0!important;padding:0!important;border:none!important;transition:none!important;transform:none!important;animation:none!important;color:#6c757d!important}.wunderbaum .wb-node.wb-has-children.wb-expanded .wb-expander::before{content:"▼"!important;transition:none!important;transform:none!important;animation:none!important}.wunderbaum .wb-node.wb-has-children .wb-expander:hover{color:#0066cc!important;background-color:rgba(0,102,204,0.1)!important;border-radius:3px!important;transition:none!important;transform:none!important}.wunderbaum .wb-node.wb-has-children .wb-expander:hover::before{color:#0066cc!important}.wunderbaum .wb-title-expandable{cursor:pointer!important;transition:color 0.2s ease,background-color 0.2s ease;border-radius:4px;padding:3px 6px;margin:-3px -6px;display:inline-block;position:relative;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.wunderbaum .wb-title-expandable:hover{color:#0066cc!important;background-color:rgba(0,102,204,0.12)!important;text-decoration:none;box-shadow:0 1px 3px rgba(0,102,204,0.2)}.wunderbaum .wb-title-expandable:active{background-color:rgba(0,102,204,0.2)!important;transform:translateY(1px)}.wunderbaum .wb-title-expandable:focus{outline:2px solid rgba(0,102,204,0.5);outline-offset:1px}.wunderbaum .wb-node.wb-has-children.wb-selected .wb-title-expandable{font-weight:600;color:#0066cc;background-color:rgba(0,102,204,0.15);box-shadow:0 1px 3px rgba(0,102,204,0.3)}.wunderbaum .wb-node.wb-has-children .wb-title-expandable::after{content:"";display:inline-block;width:0;height:0;border-left:3px solid transparent;border-right:3px solid transparent;border-top:3px solid #adb5bd;margin-left:0.5rem;vertical-align:middle;transition:transform 0.2s ease,border-top-color 0.2s ease;opacity:0.7}.wunderbaum .wb-node.wb-has-children.wb-expanded .wb-title-expandable::after{transform:rotate(180deg)}.wunderbaum .wb-node.wb-has-children.wb-expanded.wb-selected .wb-title-expandable::after{transform:rotate(180deg);border-top-color:#0066cc;opacity:1}.wunderbaum .wb-title-expandable:hover::after{border-top-color:#0066cc!important;opacity:1}.wunderbaum .expand-text{font-size:0.75rem!important;color:#6c757d!important;font-style:italic!important;font-weight:normal!important;margin-left:0.3rem!important;cursor:pointer!important;transition:none!important;user-select:none!important;-webkit-user-select:none!important;-moz-user-select:none!important;-ms-user-select:none!important;border-radius:2px;padding:1px 3px}.wunderbaum .expand-text:hover{color:#0066cc!important;background-color:rgba(0,102,204,0.1)!important;text-decoration:underline solid!important}.wunderbaum .expand-text:active{background-color:rgba(0,102,204,0.2)!important}.wunderbaum .wb-node.wb-has-children{font-weight:500;background-color:#fafbfc}.wunderbaum .wb-node.wb-has-children:hover{background-color:#f0f4f8}.wunderbaum .wb-node.wb-has-children .wb-title{font-weight:600}.wunderbaum .wb-node[data-wb-level="1"] .wb-title,.wunderbaum .wb-node[data-wb-level="2"] .wb-title{font-weight:400;color:#6c757d}.wunderbaum .wb-node[data-wb-level="1"],.wunderbaum .wb-node[data-wb-level="2"]{background-color:#fff}.wunderbaum .wb-node.wb-has-children.wb-selected{background-color:#e8f4fd;border-color:#0066cc;box-shadow:inset 3px 0 0 #0066cc}.wunderbaum .wb-node.wb-has-children.wb-selected .wb-title{color:#0052a3;font-weight:700}.wunderbaum .wb-node.wb-selected:not(.wb-has-children){background-color:#e3f2fd;border-color:#2196f3}.wunderbaum .wb-node{padding-left:calc(1rem + var(--wb-level) * 1.5rem)}.wunderbaum .wb-node[data-wb-level="0"]{font-weight:600;background-color:#f8f9fa;border-bottom:2px solid #e9ecef}.wunderbaum .wb-node[data-wb-level="1"]{padding-left:2.5rem;font-size:0.88rem}.wunderbaum .wb-node[data-wb-level="2"]{padding-left:4rem;font-size:0.86rem;color:#6c757d}.construction-calculator-page .wunderbaum .wb-node.wb-selected{background-color:#fff3cd;border-color:#ffc107}.construction-calculator-page .wunderbaum .wb-node.wb-selected .wb-title{color:#856404}.construction-calculator-page .wunderbaum .wb-checkbox{accent-color:#ffc107}.construction-calculator-page .wunderbaum .wb-node.wb-has-children .wb-expander:hover{color:#ffc107!important;background-color:rgba(255,193,7,0.1)!important}.construction-calculator-page .wunderbaum .wb-node.wb-has-children .wb-expander:hover::before{color:#ffc107!important}.construction-calculator-page .wunderbaum .expand-text:hover{color:#ffc107!important;background-color:rgba(255,193,7,0.1)!important}.construction-calculator-page .wunderbaum .wb-node.wb-has-children.wb-selected{background-color:#fff3cd;border-color:#ffc107;box-shadow:inset 3px 0 0 #ffc107}.construction-calculator-page .wunderbaum .wb-node.wb-has-children.wb-selected .wb-title{color:#856404}.construction-calculator-page .wunderbaum .wb-title-expandable:hover{color:#ffc107!important;background-color:rgba(255,193,7,0.12)!important;box-shadow:0 1px 3px rgba(255,193,7,0.2)}.construction-calculator-page .wunderbaum .wb-title-expandable:active{background-color:rgba(255,193,7,0.2)!important}.construction-calculator-page .wunderbaum .wb-title-expandable:focus{outline:2px solid rgba(255,193,7,0.5)}.construction-calculator-page .wunderbaum .wb-node.wb-has-children.wb-selected .wb-title-expandable{color:#ffc107;background-color:rgba(255,193,7,0.15);box-shadow:0 1px 3px rgba(255,193,7,0.3)}.construction-calculator-page .wunderbaum .wb-title-expandable:hover::after{border-top-color:#ffc107!important}.construction-calculator-page .wunderbaum .wb-node.wb-has-children.wb-expanded.wb-selected .wb-title-expandable::after{border-top-color:#ffc107}.wunderbaum .wb-icon{display:none!important;width:0;margin:0}.wunderbaum,.wunderbaum *,.wunderbaum *::before,.wunderbaum *::after{transition:none!important;transform:none!important;animation:none!important}.wunderbaum .wb-node:hover{background-color:#f8f9fa!important}.wunderbaum .wb-node.wb-selected{background-color:#e3f2fd!important;border-color:#2196f3!important}.wunderbaum .wb-node.wb-selected .wb-title{color:#1976d2!important;font-weight:600!important}.wunderbaum .wb-title-expandable{transition:color 0.2s ease,background-color 0.2s ease,box-shadow 0.2s ease!important}.wunderbaum .wb-title-expandable::after{transition:transform 0.2s ease,border-top-color 0.2s ease!important}.wunderbaum .expand-text:hover{transition:all 0.15s ease!important}.tree-search-container{margin-bottom:1rem}.tree-search-input{border:1px solid #e0e6ed;border-radius:6px;padding:0.5rem 1rem;font-size:0.9rem;transition:all 0.3s ease;background:#fff;width:100%}.tree-search-input:focus{outline:none;border-color:#0066cc;box-shadow:0 0 0 0.2rem rgba(0,102,204,0.25)}.tree-search-input::placeholder{color:#adb5bd;font-style:italic}.construction-calculator-page .tree-search-input:focus{border-color:#ffc107;box-shadow:0 0 0 0.2rem rgba(255,193,7,0.25)}.tree-controls{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding:0.75rem;background:#f8f9fa;border-radius:6px;border:1px solid #e9ecef}.tree-counter{font-size:0.85rem;color:#6c757d;font-weight:500}.tree-actions{display:flex;gap:0.5rem}.tree-actions .btn{padding:0.25rem 0.75rem;font-size:0.8rem;border-radius:4px}.wunderbaum::-webkit-scrollbar{width:8px}.wunderbaum::-webkit-scrollbar-track{background:#f1f3f4;border-radius:4px}.wunderbaum::-webkit-scrollbar-thumb{background:#c1c8d0;border-radius:4px;border:1px solid #f1f3f4}.wunderbaum::-webkit-scrollbar-thumb:hover{background:#a8b2bd}.wunderbaum{scrollbar-width:thin;scrollbar-color:#c1c8d0 #f1f3f4}.wunderbaum .wb-busy{opacity:0.6;pointer-events:none}.wunderbaum .wb-match{background-color:#fff3cd;padding:0.1rem 0.2rem;border-radius:3px;font-weight:600}.tree-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:#6c757d;padding:2rem}.tree-loading .spinner-border{margin-bottom:1rem}.tree-container:focus,.tree-container:focus-within,.wunderbaum:focus,.wunderbaum:focus-within{outline:none!important;border:1px solid #e0e6ed!important;box-shadow:none!important}.selection-panel:focus-within{outline:none!important;border:2px solid #e9ecef!important;box-shadow:var(--shadow-base)!important}.wunderbaum .wb-node:focus,.wunderbaum .wb-checkbox:focus{outline:none!important;box-shadow:none!important}.tree-container.form-control:focus,#region-tree:focus,#category-tree:focus,#construction-category-tree:focus{outline:none!important;border-color:#e0e6ed!important;box-shadow:none!important}.construction-calculator-page .tree-container:focus,.construction-calculator-page .wunderbaum:focus{outline:none!important;border:1px solid #e0e6ed!important;box-shadow:none!important}.tree-container:focus-visible,.wunderbaum:focus-visible{outline:2px solid var(--calculator-primary)!important;outline-offset:2px!important}.tree-container:focus:not(:focus-visible),.wunderbaum:focus:not(:focus-visible){outline:none!important}@media (prefers-contrast:high){.wunderbaum{border:2px solid #000}.wunderbaum .wb-node{border-bottom:1px solid #000}.wunderbaum .wb-expander{border:1px solid #000}.wunderbaum .wb-title-expandable{border:1px solid transparent}.wunderbaum .wb-title-expandable:hover{border:1px solid #000;background-color:#fff!important;color:#000!important}.wunderbaum .wb-node.wb-has-children .wb-title-expandable::after{border-top-color:#000}}@media (prefers-reduced-motion:reduce){.wunderbaum,.wunderbaum *,.wunderbaum *::before,.wunderbaum *::after{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important;transition-delay:0ms!important;transform:none!important}.wunderbaum .wb-title-expandable:active{transform:none!important}}@media (max-width:991.98px){.wunderbaum{font-size:0.85rem;height:250px;max-height:250px}.wunderbaum .wb-node{padding:0.35rem 0.4rem;min-height:34px}.tree-controls{flex-direction:column;gap:0.5rem;align-items:stretch}.tree-actions{justify-content:center}}@media (max-width:767.98px){.wunderbaum{font-size:0.85rem;height:200px;max-height:200px}.wunderbaum .wb-node{padding:0.35rem 0.4rem;padding-left:calc(0.8rem + var(--wb-level) * 1.2rem);min-height:38px}.wunderbaum .wb-checkbox{transform:scale(1)}.wunderbaum .wb-node.wb-has-children .wb-expander{width:16px!important;height:16px!important;font-size:12px!important}.wunderbaum .wb-node.wb-has-children .wb-expander::before{font-size:10px!important}.wunderbaum .expand-text{font-size:0.7rem!important;margin-left:0.2rem!important}.wunderbaum .wb-title-expandable{padding:4px 6px;margin:-4px -6px;min-height:32px;display:inline-flex;align-items:center}.wunderbaum .wb-node.wb-has-children .wb-title-expandable::after{border-left-width:4px;border-right-width:4px;border-top-width:4px;margin-left:0.5rem}}@media (max-width:575.98px){.wunderbaum{font-size:0.8rem;height:180px;max-height:180px}.wunderbaum .wb-node{padding:0.3rem 0.3rem;padding-left:calc(0.6rem + var(--wb-level) * 1rem);min-height:40px}.wunderbaum .wb-node.wb-has-children .wb-expander{width:14px!important;height:14px!important;margin-right:0.3rem!important}.wunderbaum .wb-node.wb-has-children .wb-expander::before{font-size:9px!important}.wunderbaum .expand-text{font-size:0.65rem!important;margin-left:0.15rem!important}.wunderbaum .wb-title-expandable{padding:6px 8px;margin:-6px -8px;min-height:36px}.wunderbaum .wb-node.wb-has-children .wb-title-expandable::after{border-left-width:5px;border-right-width:5px;border-top-width:5px;margin-left:0.6rem}}@media print{.wunderbaum{height:auto!important;max-height:none!important;overflow:visible!important;border:1px solid #000}.wunderbaum .wb-node{page-break-inside:avoid}.wunderbaum .wb-title-expandable::after{display:none!important}.wunderbaum .expand-text{display:none!important}}.hero-nav-menu-enhanced{display:flex;justify-content:center;margin:2rem 0;flex-direction:column;align-items:center;gap:1rem}.nav-menu-container-enhanced{display:inline-flex;align-items:center;background:rgba(0,0,0,0.25);backdrop-filter:blur(15px);border:1px solid rgba(0,0,0,0.15);border-radius:50px;padding:0.5rem;gap:0;min-width:420px;box-shadow:0 8px 32px rgba(0,0,0,0.25)}.calculator-page .nav-menu-container-enhanced,.construction-calculator-page .nav-menu-container-enhanced{min-width:680px}.nav-menu-item-enhanced{display:flex;align-items:center;gap:0.75rem;padding:0.75rem 1.5rem;border-radius:40px;text-decoration:none;color:rgba(255,255,255,0.95);transition:all 0.3s ease;position:relative;white-space:nowrap;flex:1;justify-content:center;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2)}.calculator-page .nav-menu-item-enhanced,.construction-calculator-page .nav-menu-item-enhanced{padding:0.75rem 2.2rem}.nav-menu-item-enhanced:hover{color:white;text-decoration:none;transform:translateY(-1px);background:rgba(255,255,255,0.2);border-color:rgba(255,255,255,0.3);box-shadow:0 4px 15px rgba(0,0,0,0.15)}.nav-menu-item-enhanced.active{background:rgba(255,255,255,0.95);color:#2c3e50;box-shadow:0 4px 15px rgba(0,0,0,0.2);border-color:rgba(255,255,255,0.4)}.nav-menu-item-enhanced.suppliers:hover{background:rgba(52,73,94,0.85);color:white;border-color:rgba(52,73,94,0.6)}.nav-menu-item-enhanced.suppliers.active{background:rgba(255,255,255,0.95);color:#2c3e50;border-color:rgba(52,73,94,0.3)}.nav-menu-item-enhanced.construction:hover{background:rgba(52,73,94,0.85);color:white;border-color:rgba(52,73,94,0.6)}.nav-menu-item-enhanced.construction.active{background:rgba(255,255,255,0.95);color:#2c3e50;border-color:rgba(52,73,94,0.3)}.nav-menu-item-enhanced i{font-size:1.2rem;opacity:0.9;margin-right:0.5rem;flex-shrink:0}.nav-menu-item-enhanced:hover i,.nav-menu-item-enhanced.active i{opacity:1}.nav-item-content-enhanced{display:flex;flex-direction:column;align-items:flex-start;text-align:left;flex:1}.nav-item-header-enhanced{display:flex;align-items:center;margin-bottom:3px;width:100%}.nav-item-title-enhanced{font-weight:700;font-size:0.95rem;line-height:1.2;color:rgba(255,255,255,1);text-shadow:0 2px 4px rgba(0,0,0,0.3)}.nav-item-meta-enhanced{font-size:0.75rem;opacity:0.9;font-weight:500;line-height:1.1;margin-left:0;color:rgba(255,255,255,0.9);text-shadow:0 2px 4px rgba(0,0,0,0.3);letter-spacing:0.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}.nav-title-enhanced{font-weight:700;font-size:0.95rem;text-shadow:0 2px 4px rgba(0,0,0,0.3);line-height:1.2;color:rgba(255,255,255,1)}.nav-meta-enhanced{font-size:0.75rem;opacity:0.9;font-weight:500;margin-left:0.5rem;color:rgba(255,255,255,0.9);text-shadow:0 2px 4px rgba(0,0,0,0.3);letter-spacing:0.02em;line-height:1.1}.nav-menu-item-enhanced:hover .nav-meta-enhanced,.nav-menu-item-enhanced.active .nav-meta-enhanced{opacity:1;color:rgba(255,255,255,1)}.nav-menu-item-enhanced.active .nav-meta-enhanced{color:rgba(44,62,80,0.8);text-shadow:none}.nav-menu-item-enhanced:hover .nav-item-meta-enhanced,.nav-menu-item-enhanced.active .nav-item-meta-enhanced{opacity:1;color:rgba(255,255,255,1)}.nav-menu-item-enhanced.active .nav-item-meta-enhanced{color:rgba(44,62,80,0.8);text-shadow:none}.nav-menu-item-enhanced:hover .nav-item-title-enhanced,.nav-menu-item-enhanced.active .nav-item-title-enhanced{color:rgba(255,255,255,1)}.nav-menu-item-enhanced.active .nav-item-title-enhanced{color:rgba(44,62,80,0.9);text-shadow:none}.nav-divider-enhanced{width:1px;height:2.5rem;background:rgba(255,255,255,0.4);margin:0 0.5rem;flex-shrink:0}.nav-update-info-enhanced{background:rgba(44,62,80,0.25);backdrop-filter:blur(15px);border:1px solid rgba(44,62,80,0.2);border-radius:25px;padding:0.5rem 1rem;font-size:0.8rem;color:rgba(255,255,255,0.95);font-weight:600;text-shadow:0 2px 4px rgba(0,0,0,0.3);box-shadow:0 4px 16px rgba(44,62,80,0.15);display:flex;align-items:center;gap:0.4rem;margin-top:0.5rem}.nav-update-info-enhanced i{font-size:0.9rem;opacity:0.9}.update-badge-enhanced{background:rgba(44,62,80,0.2);border:1px solid rgba(44,62,80,0.2);color:rgba(255,255,255,0.95);padding:0.3rem 0.8rem;border-radius:15px;font-size:0.75rem;font-weight:600;text-shadow:0 2px 4px rgba(0,0,0,0.3);backdrop-filter:blur(15px);display:flex;align-items:center;gap:0.3rem;box-shadow:0 2px 8px rgba(44,62,80,0.1)}.update-badge-enhanced i{font-size:0.8rem;opacity:0.9}@media (max-width:991.98px) and (min-width:768px){.nav-menu-container-enhanced{min-width:380px;padding:0.4rem}.calculator-page .nav-menu-container-enhanced,.construction-calculator-page .nav-menu-container-enhanced{min-width:580px}.nav-menu-item-enhanced{padding:0.6rem 1.2rem;gap:0.6rem}.calculator-page .nav-menu-item-enhanced,.construction-calculator-page .nav-menu-item-enhanced{padding:0.6rem 1.8rem}.nav-title-enhanced{font-size:0.9rem}.nav-meta-enhanced{font-size:0.7rem;max-width:180px}.nav-item-meta-enhanced{font-size:0.7rem;max-width:180px}.nav-menu-item-enhanced i{font-size:1.1rem}.nav-update-info-enhanced{font-size:0.75rem;padding:0.4rem 0.8rem}.update-badge-enhanced{font-size:0.7rem;padding:0.25rem 0.6rem}}@media (max-width:767.98px){.hero-nav-menu-enhanced{margin:1rem 0;padding:0 0.5rem;gap:0.8rem}.nav-menu-container-enhanced{display:flex!important;flex-direction:column!important;align-items:stretch!important;padding:0!important;gap:0.6rem!important;width:100%!important;max-width:320px!important;background:transparent!important;border:none!important;border-radius:0!important;backdrop-filter:none!important;box-shadow:none!important;margin:0 auto!important;outline:none!important;box-sizing:border-box!important}.calculator-page .nav-menu-container-enhanced,.construction-calculator-page .nav-menu-container-enhanced{max-width:340px!important;background:transparent!important;border:none!important;border-radius:0!important;backdrop-filter:none!important;box-shadow:none!important}.nav-menu-item-enhanced{display:flex;align-items:center;padding:0.8rem 1rem;border-radius:12px;text-align:left;justify-content:flex-start;gap:0.6rem;min-height:65px;text-decoration:none;background:rgba(44,62,80,0.25);backdrop-filter:blur(15px);border:1px solid rgba(44,62,80,0.2)!important;outline:none!important;box-shadow:0 4px 16px rgba(44,62,80,0.1);transition:all 0.2s ease;width:100%;flex:none;position:relative;isolation:isolate}.calculator-page .nav-menu-item-enhanced,.construction-calculator-page .nav-menu-item-enhanced{padding:0.8rem 1.2rem;border:1px solid rgba(44,62,80,0.2)!important;outline:none!important;min-height:70px;background:rgba(44,62,80,0.25)}.nav-divider-enhanced{display:none!important}.nav-menu-item-enhanced i{font-size:1.4rem;opacity:0.9;flex-shrink:0;margin-right:0.6rem}.nav-item-content-enhanced{display:flex;flex-direction:column;align-items:flex-start;text-align:left;flex:1;min-width:0}.nav-item-header-enhanced{margin-bottom:2px}.nav-item-title-enhanced,.nav-title-enhanced{font-size:0.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px;line-height:1.2}.nav-item-meta-enhanced,.nav-meta-enhanced{font-size:0.7rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:0.8;color:rgba(255,255,255,0.8);max-width:220px;line-height:1.1}.nav-update-info-enhanced{font-size:0.75rem;padding:0.5rem 1rem;border-radius:20px;margin-top:0.5rem;max-width:320px;margin-left:auto;margin-right:auto}.update-badge-enhanced{font-size:0.7rem;padding:0.3rem 0.7rem;border-radius:12px}}@media (max-width:374px){.hero-nav-menu-enhanced{padding:0;margin:0.8rem 0;gap:0.6rem}.nav-menu-container-enhanced{gap:0.5rem!important;width:100%!important;max-width:100%!important;padding:0 0.25rem!important}.nav-menu-item-enhanced{padding:0.7rem 0.6rem;gap:0.4rem;min-height:60px;border-radius:10px;width:calc(100% - 0.5rem)!important;max-width:none!important}.calculator-page .nav-menu-item-enhanced,.construction-calculator-page .nav-menu-item-enhanced{padding:0.7rem 0.7rem;width:calc(100% - 0.5rem)!important;min-height:65px}.nav-item-title-enhanced,.nav-title-enhanced{font-size:0.85rem;max-width:160px}.nav-item-meta-enhanced,.nav-meta-enhanced{font-size:0.65rem;max-width:140px;opacity:0.8;color:rgba(255,255,255,0.8)}.nav-menu-item-enhanced i{font-size:1.2rem;flex-shrink:0;min-width:20px;margin-right:0.4rem}.nav-update-info-enhanced{font-size:0.7rem;padding:0.4rem 0.8rem;margin-top:0.4rem}.update-badge-enhanced{font-size:0.65rem;padding:0.25rem 0.6rem}}@media (max-width:320px){.hero-nav-menu-enhanced{padding:0;margin:0.6rem 0;gap:0.5rem}.nav-menu-container-enhanced{gap:0.4rem!important;width:100%!important;max-width:100%!important;padding:0 0.2rem!important}.nav-menu-item-enhanced{padding:0.6rem 0.5rem;gap:0.3rem;min-height:55px;border-radius:8px;width:calc(100% - 0.4rem)!important;margin:0 auto}.calculator-page .nav-menu-item-enhanced,.construction-calculator-page .nav-menu-item-enhanced{padding:0.6rem 0.6rem;width:calc(100% - 0.4rem)!important;min-height:60px}.nav-item-title-enhanced,.nav-title-enhanced{font-size:0.8rem;max-width:130px}.nav-item-meta-enhanced,.nav-meta-enhanced{font-size:0.6rem;max-width:110px;opacity:0.8;color:rgba(255,255,255,0.8);line-height:1.1}.nav-menu-item-enhanced i{font-size:1.1rem;min-width:18px;margin-right:0.3rem}.nav-update-info-enhanced{font-size:0.65rem;padding:0.35rem 0.7rem;margin-top:0.3rem}.update-badge-enhanced{font-size:0.6rem;padding:0.2rem 0.5rem}}.nav-menu-item-enhanced:focus{outline:2px solid rgba(255,255,255,0.8);outline-offset:2px;box-shadow:0 0 0 4px rgba(255,255,255,0.2)}@media (prefers-contrast:high){.nav-menu-container-enhanced{background:rgba(0,0,0,0.8);border:2px solid #ffffff}.nav-menu-item-enhanced{background:rgba(255,255,255,0.9);color:#000000;border:1px solid #000000}.nav-item-title-enhanced,.nav-title-enhanced,.nav-item-meta-enhanced,.nav-meta-enhanced{color:#000000;text-shadow:none}.nav-update-info-enhanced,.update-badge-enhanced{background:#ffffff;color:#000000;border:2px solid #000000}}@media (prefers-reduced-motion:reduce){.nav-menu-item-enhanced,.nav-update-info-enhanced,.update-badge-enhanced{transition:none;animation:none}.nav-menu-item-enhanced:hover{transform:none}}@media print{.hero-nav-menu-enhanced,.nav-update-info-enhanced{display:none}}.db-sample-switcher-container{display:flex;justify-content:center;margin-bottom:2rem}.db-sample-switcher{display:inline-flex;background:#f8f9fa;border-radius:20px;padding:8px;box-shadow:inset 0 2px 8px rgba(0,0,0,0.08);border:2px solid #e9ecef;position:relative;overflow:hidden}.db-sample-switcher::before{content:'';position:absolute;top:8px;left:8px;right:8px;bottom:8px;background:linear-gradient(135deg,rgba(0,102,204,0.05),rgba(255,193,7,0.05));border-radius:12px;opacity:0;transition:opacity 0.3s ease}.db-sample-switcher:hover::before{opacity:1}.db-sample-switch-btn{background:transparent;border:none;padding:1rem 2rem;border-radius:14px;font-weight:600;font-size:1rem;color:#6c757d;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);position:relative;cursor:pointer;white-space:nowrap;display:flex;align-items:center;justify-content:center;min-width:200px;z-index:2;outline:none;text-decoration:none}.db-sample-switch-btn:hover{color:#495057;background:rgba(255,255,255,0.7);transform:translateY(-1px)}.db-sample-switch-btn:focus{outline:2px solid #0066cc;outline-offset:2px}.db-sample-switch-btn.active{background:linear-gradient(135deg,#0066cc 0%,#004499 100%);color:white;box-shadow:0 4px 15px rgba(0,102,204,0.3);transform:translateY(-2px)}.db-sample-switch-btn.active:hover{background:linear-gradient(135deg,#004499 0%,#0066cc 100%);color:white;transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,102,204,0.4)}.db-sample-switch-btn i{font-size:1.1rem;margin-right:0.5rem;transition:all 0.3s ease}.db-sample-switch-btn:hover i{transform:scale(1.1)}.db-sample-switch-btn.active i{text-shadow:0 2px 4px rgba(0,0,0,0.2)}.db-sample-switch-btn::before{content:'';position:absolute;top:50%;left:50%;width:0;height:0;background:radial-gradient(circle,rgba(255,255,255,0.3) 0%,transparent 70%);border-radius:50%;transform:translate(-50%,-50%);transition:all 0.4s ease;z-index:-1}.db-sample-switch-btn:active::before{width:100px;height:100px}.db-sample-table-wrapper{transition:all 0.4s cubic-bezier(0.4,0,0.2,1);opacity:1;transform:translateY(0)}.db-sample-table-wrapper[style*="display: none"]{opacity:0;transform:translateY(10px)}.db-sample-feature-highlight{background:linear-gradient(135deg,#ffffff 0%,#f8f9fa 100%);border-radius:15px;padding:1.5rem;transition:all 0.3s ease;border:1px solid #e9ecef;height:100%;position:relative;overflow:hidden}.db-sample-feature-highlight::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#0066cc,#ffc107,#dc3545);opacity:0;transition:opacity 0.3s ease}.db-sample-feature-highlight:hover::before{opacity:1}.db-sample-feature-highlight:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,0,0,0.1);border-color:#0066cc}.db-sample-feature-icon{font-size:3rem;color:#0066cc;transition:all 0.3s ease}.db-sample-feature-highlight:hover .db-sample-feature-icon{transform:scale(1.1) rotate(5deg);color:#004499}.db-sample-feature-highlight h5{color:#2c3e50;font-weight:700;margin-bottom:0.75rem}.db-sample-feature-highlight p{color:#6c757d;line-height:1.5;margin:0}.suppliers-table-wrapper{position:relative;background:linear-gradient(135deg,#f8f9fa 0%,#ffffff 100%)}.suppliers-table-wrapper h2{color:#2c3e50;font-weight:700;margin-bottom:1rem}.suppliers-table-wrapper .lead{color:#6c757d;line-height:1.6}.suppliers-table-card{background:white;border-radius:20px;overflow:hidden;box-shadow:0 15px 50px rgba(0,0,0,0.1);border:1px solid #e9ecef;transition:all 0.3s ease;margin-bottom:2rem}.suppliers-table-card:hover{transform:translateY(-5px);box-shadow:0 25px 70px rgba(0,0,0,0.15)}.suppliers-table-header{background:linear-gradient(135deg,#e8f5e8 0%,#e3f2fd 100%);padding:1.5rem 2rem;border-bottom:2px solid #dee2e6;position:relative}.suppliers-table-header::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#28a745,#20c997)}.suppliers-table-header h4{color:#2c3e50;font-weight:700;margin:0;font-size:1.25rem}.suppliers-table-header p{color:#6c757d;margin:0.25rem 0 0 0;font-size:0.95rem}.suppliers-table-badge{display:flex;align-items:center}.suppliers-table-badge .badge{font-size:0.85rem;padding:0.5rem 1rem;border-radius:20px;font-weight:600;box-shadow:0 2px 8px rgba(40,167,69,0.2)}.suppliers-table-container{max-height:400px;overflow-y:auto;overflow-x:auto;position:relative}.suppliers-table{margin:0;background:white;font-size:0.9rem}.suppliers-table thead th{background:#2c3e50;color:white;font-weight:600;font-size:0.85rem;border:none;padding:1rem 0.75rem;white-space:nowrap;position:sticky;top:0;z-index:10;text-align:left;vertical-align:middle}.suppliers-table thead th i{opacity:0.9;margin-right:0.25rem}.suppliers-table tbody td{padding:0.875rem 0.75rem;border-bottom:1px solid #f8f9fa;font-size:0.9rem;vertical-align:middle;white-space:nowrap}.suppliers-table tbody tr{transition:all 0.2s ease}.suppliers-table-row:hover{background:#f8f9fa;transform:scale(1.01);box-shadow:0 2px 8px rgba(0,0,0,0.05)}.suppliers-table .fw-semibold{font-weight:600;color:#0066cc}.suppliers-table a{color:#6c757d;text-decoration:none;transition:all 0.2s ease;font-size:0.85rem}.suppliers-table a:hover{color:#0066cc;text-decoration:underline}.suppliers-table a.text-success{color:#28a745!important}.suppliers-table a.text-success:hover{color:#1e7e34!important}.suppliers-table code{background:#f8f9fa;color:#6c757d;padding:0.25rem 0.5rem;border-radius:4px;font-size:0.8rem;border:1px solid #e9ecef;font-family:'SF Mono',Monaco,'Cascadia Code','Roboto Mono',Consolas,monospace}.suppliers-table .badge{font-size:0.75rem;padding:0.35rem 0.7rem;border-radius:12px;font-weight:500;border:1px solid transparent}.suppliers-table .bg-success-subtle{background-color:rgba(25,135,84,0.1)!important;color:#0f5132!important;border-color:rgba(25,135,84,0.2)}.suppliers-table .bg-info-subtle{background-color:rgba(13,202,240,0.1)!important;color:#055160!important;border-color:rgba(13,202,240,0.2)}.suppliers-table .bg-warning-subtle{background-color:rgba(255,193,7,0.1)!important;color:#664d03!important;border-color:rgba(255,193,7,0.2)}.suppliers-table .bg-primary-subtle{background-color:rgba(13,110,253,0.1)!important;color:#052c65!important;border-color:rgba(13,110,253,0.2)}.suppliers-table .bg-secondary-subtle{background-color:rgba(108,117,125,0.1)!important;color:#41464b!important;border-color:rgba(108,117,125,0.2)}.suppliers-table .bg-danger-subtle{background-color:rgba(220,53,69,0.1)!important;color:#58151c!important;border-color:rgba(220,53,69,0.2)}.suppliers-table-footer{background:#f8f9fa;padding:1rem 2rem;border-top:1px solid #dee2e6}.suppliers-quality-indicator,.suppliers-freshness-indicator{display:inline-flex;align-items:center;font-size:0.85rem}.suppliers-quality-indicator i,.suppliers-freshness-indicator i{font-size:0.9rem;margin-right:0.25rem}.suppliers-table-footer small{color:#6c757d;font-size:0.8rem;font-style:italic}.construction-table-wrapper{position:relative;background:linear-gradient(135deg,#fff3cd 0%,#ffffff 100%)}.construction-table-wrapper h2{color:#2c3e50;font-weight:700;margin-bottom:1rem}.construction-table-wrapper .lead{color:#6c757d;line-height:1.6}.construction-table-card{background:white;border-radius:20px;overflow:hidden;box-shadow:0 15px 50px rgba(0,0,0,0.1);border:1px solid #e9ecef;transition:all 0.3s ease;margin-bottom:2rem}.construction-table-card:hover{transform:translateY(-5px);box-shadow:0 25px 70px rgba(0,0,0,0.15)}.construction-table-header{background:linear-gradient(135deg,#fff3cd 0%,#ffeaa7 100%);padding:1.5rem 2rem;border-bottom:2px solid #dee2e6;position:relative}.construction-table-header::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#ffc107,#fd7e14)}.construction-table-header h4{color:#2c3e50;font-weight:700;margin:0;font-size:1.25rem}.construction-table-header p{color:#6c757d;margin:0.25rem 0 0 0;font-size:0.95rem}.construction-table-badge{display:flex;align-items:center}.construction-table-badge .badge{font-size:0.85rem;padding:0.5rem 1rem;border-radius:20px;font-weight:600;box-shadow:0 2px 8px rgba(253,126,20,0.2)}.construction-table-container{max-height:400px;overflow-y:auto;overflow-x:auto;position:relative}.construction-table{margin:0;background:white;font-size:0.9rem}.construction-table thead th{background:#6c3e0a;color:white;font-weight:600;font-size:0.85rem;border:none;padding:1rem 0.75rem;white-space:nowrap;position:sticky;top:0;z-index:10;text-align:left;vertical-align:middle}.construction-table thead th i{opacity:0.9;margin-right:0.25rem}.construction-table tbody td{padding:0.875rem 0.75rem;border-bottom:1px solid #f8f9fa;font-size:0.9rem;vertical-align:middle;white-space:nowrap}.construction-table tbody tr{transition:all 0.2s ease}.construction-table-row:hover{background:#fff3cd;transform:scale(1.01);box-shadow:0 2px 8px rgba(0,0,0,0.05)}.construction-table .fw-semibold{font-weight:600;color:#ffc107}.construction-table a{color:#6c757d;text-decoration:none;transition:all 0.2s ease;font-size:0.85rem}.construction-table a:hover{color:#ffc107;text-decoration:underline}.construction-table a.text-success{color:#28a745!important}.construction-table a.text-success:hover{color:#1e7e34!important}.construction-table code{background:#fff3cd;color:#6c757d;padding:0.25rem 0.5rem;border-radius:4px;font-size:0.8rem;border:1px solid #e9ecef;font-family:'SF Mono',Monaco,'Cascadia Code','Roboto Mono',Consolas,monospace}.construction-table .badge{font-size:0.75rem;padding:0.35rem 0.7rem;border-radius:12px;font-weight:500;border:1px solid transparent}.construction-table .bg-success-subtle{background-color:rgba(25,135,84,0.1)!important;color:#0f5132!important;border-color:rgba(25,135,84,0.2)}.construction-table .bg-info-subtle{background-color:rgba(13,202,240,0.1)!important;color:#055160!important;border-color:rgba(13,202,240,0.2)}.construction-table .bg-warning-subtle{background-color:rgba(255,193,7,0.1)!important;color:#664d03!important;border-color:rgba(255,193,7,0.2)}.construction-table .bg-primary-subtle{background-color:rgba(13,110,253,0.1)!important;color:#052c65!important;border-color:rgba(13,110,253,0.2)}.construction-table .bg-secondary-subtle{background-color:rgba(108,117,125,0.1)!important;color:#41464b!important;border-color:rgba(108,117,125,0.2)}.construction-table .bg-danger-subtle{background-color:rgba(220,53,69,0.1)!important;color:#58151c!important;border-color:rgba(220,53,69,0.2)}.construction-table-footer{background:#f8f9fa;padding:1rem 2rem;border-top:1px solid #dee2e6}.construction-quality-indicator,.construction-freshness-indicator{display:inline-flex;align-items:center;font-size:0.85rem}.construction-quality-indicator i,.construction-freshness-indicator i{font-size:0.9rem;margin-right:0.25rem}.construction-table-footer small{color:#6c757d;font-size:0.8rem;font-style:italic}.suppliers-table-container::-webkit-scrollbar,.construction-table-container::-webkit-scrollbar{width:8px;height:8px}.suppliers-table-container::-webkit-scrollbar-track,.construction-table-container::-webkit-scrollbar-track{background:#f1f3f4;border-radius:4px}.suppliers-table-container::-webkit-scrollbar-thumb{background:#c1c8d0;border-radius:4px;transition:background 0.3s ease}.construction-table-container::-webkit-scrollbar-thumb{background:#ffc107;border-radius:4px;transition:background 0.3s ease}.suppliers-table-container::-webkit-scrollbar-thumb:hover{background:#a8b2bd}.construction-table-container::-webkit-scrollbar-thumb:hover{background:#fd7e14}.suppliers-table-container::-webkit-scrollbar-corner,.construction-table-container::-webkit-scrollbar-corner{background:#f1f3f4}.scroll-indicator{position:absolute;bottom:10px;right:20px;background:rgba(0,102,204,0.8);color:white;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity 0.3s ease;pointer-events:none;z-index:1000;animation:bounce 2s infinite}@keyframes bounce{0%,20%,50%,80%,100%{transform:translateY(0)}40%{transform:translateY(-10px)}60%{transform:translateY(-5px)}}@media (max-width:1199.98px){.suppliers-table-header,.construction-table-header{padding:1.25rem 1.5rem}.suppliers-table-footer,.construction-table-footer{padding:0.875rem 1.5rem}.suppliers-table thead th,.suppliers-table tbody td,.construction-table thead th,.construction-table tbody 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