:root{--bg-main:#0b0f19;--bg-card:#131b2e;--bg-card-hover:#1c263f;--bg-input:#172036;--border-color:#24304f;--border-focus:#3b82f6;--primary:#3b82f6;--primary-hover:#2563eb;--primary-glow:#3b82f640;--accent-success:#10b981;--accent-success-glow:#10b98133;--accent-warning:#f59e0b;--accent-purple:#8b5cf6;--text-main:#f3f4f6;--text-muted:#9ca3af;--text-dim:#6b7280;--font-family:"Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--radius-lg:16px;--radius-md:12px;--radius-sm:8px;--shadow-lg:0 10px 30px -5px #00000080, 0 0 20px #3b82f61a;--shadow-card:0 4px 20px #0000004d}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-main);font-family:var(--font-family);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.5}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-main)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-dim)}.app-container{max-width:1280px;margin:0 auto;padding:24px 16px 48px}@media (width<=768px){.app-container{padding:12px 10px 24px}}.app-header{border-bottom:1px solid var(--border-color);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;padding-bottom:20px;display:flex}@media (width<=768px){.app-header{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:16px;padding-bottom:14px}}.logo-area{align-items:center;gap:12px;display:flex}.logo-icon{background:linear-gradient(135deg, var(--primary), var(--accent-purple));border-radius:var(--radius-md);color:#fff;width:44px;height:44px;box-shadow:0 0 15px var(--primary-glow);justify-content:center;align-items:center;display:flex}.logo-title{letter-spacing:-.02em;background:linear-gradient(120deg,#fff,#93c5fd);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.35rem;font-weight:700}.logo-subtitle{color:var(--text-muted);font-size:.82rem}.margin-badge{color:var(--accent-warning);background:#f59e0b1f;border:1px solid #f59e0b4d;border-radius:999px;align-items:center;gap:8px;padding:8px 16px;font-size:.88rem;font-weight:600;display:flex}.nav-tabs{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-color);gap:8px;margin-bottom:24px;padding:6px;display:flex;overflow-x:auto}@media (width<=768px){.nav-tabs{border-radius:var(--radius-md);margin-bottom:16px}}.nav-btn{color:var(--text-muted);border-radius:var(--radius-md);cursor:pointer;white-space:nowrap;background:0 0;border:none;align-items:center;gap:8px;padding:10px 20px;font-size:.95rem;font-weight:500;transition:all .2s;display:flex}@media (width<=768px){.nav-btn{padding:8px 14px;font-size:.85rem}}.nav-btn:hover{color:var(--text-main);background:#ffffff0a}.nav-btn.active{background:var(--primary);color:#fff;box-shadow:0 4px 14px var(--primary-glow)}.glass-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:24px;position:relative}@media (width<=768px){.glass-card{padding:16px 12px}}.card-title{color:var(--text-main);align-items:center;gap:10px;margin-bottom:16px;font-size:1.15rem;font-weight:600;display:flex}.form-group{flex-direction:column;gap:8px;margin-bottom:16px;display:flex}.form-label{color:var(--text-muted);justify-content:space-between;align-items:center;font-size:.88rem;font-weight:500;display:flex}.input-control,.select-control{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);width:100%;color:var(--text-main);outline:none;padding:12px 16px;font-size:.95rem;transition:border-color .2s,box-shadow .2s}.input-control:focus,.select-control:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--primary-glow)}.btn{border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 20px;font-size:.95rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--primary), #2563eb);color:#fff;box-shadow:0 4px 14px var(--primary-glow)}.btn-primary:hover{box-shadow:0 6px 20px var(--primary-glow);transform:translateY(-1px)}.btn-success{background:linear-gradient(135deg, var(--accent-success), #059669);color:#fff;box-shadow:0 4px 14px var(--accent-success-glow)}.btn-success:hover{box-shadow:0 6px 20px var(--accent-success-glow);transform:translateY(-1px)}.btn-secondary{background:var(--bg-input);color:var(--text-main);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--text-muted)}.btn-danger{color:#f87171;background:#ef444426;border:1px solid #ef44444d}.btn-danger:hover{background:#ef444440}.btn-sm{padding:6px 12px;font-size:.85rem}.grid-2{grid-template-columns:1fr 1fr;gap:24px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.grid-4{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}@media (width<=900px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;gap:12px}}.calculator-layout-grid{grid-template-columns:290px 1fr 340px;align-items:stretch;gap:20px;display:grid}@media (width<=1100px){.calculator-layout-grid{grid-template-columns:1fr;gap:16px}}.pricelist-filters-grid{grid-template-columns:1fr 1fr 1fr 1.2fr;gap:12px;display:grid}@media (width<=900px){.pricelist-filters-grid{grid-template-columns:1fr;gap:10px}}.mobile-only{display:none}.math-calc-sidebar{flex-direction:column;display:flex}@media (width<=1100px){.mobile-only{display:block}.math-calc-sidebar{display:none}.math-calc-sidebar.show{flex-direction:column;margin-bottom:16px;display:flex}}.table-container{border-radius:var(--radius-md);border:1px solid var(--border-color);overflow-x:auto}.custom-table{border-collapse:collapse;text-align:left;width:100%;font-size:.92rem}.custom-table th{background:var(--bg-input);color:var(--text-muted);border-bottom:1px solid var(--border-color);padding:12px 16px;font-weight:600}.custom-table td{border-bottom:1px solid var(--border-color);color:var(--text-main);padding:14px 16px}.custom-table tr:last-child td{border-bottom:none}.custom-table tr:hover td{background:var(--bg-card-hover)}@media (width<=768px){.custom-table{width:100%;display:block}.custom-table thead{display:none}.custom-table tbody{width:100%;display:block}.custom-table tr{border:1px solid var(--border-color);border-radius:var(--radius-md);background:#ffffff03;margin-bottom:16px;padding:12px;display:block}.custom-table td{text-align:right;border-bottom:1px solid #ffffff0a;justify-content:space-between;align-items:center;padding:8px 4px;font-size:.88rem;display:flex}.custom-table td:before{content:attr(data-label);color:var(--text-muted);float:left;text-align:left;margin-right:12px;font-weight:700}.custom-table td:last-child{border-bottom:none;justify-content:flex-end;padding-top:12px}}.badge{border-radius:999px;padding:4px 10px;font-size:.78rem;font-weight:600;display:inline-block}.badge-brand{color:#60a5fa;background:#3b82f626;border:1px solid #3b82f64d}.badge-category{color:#c084fc;background:#8b5cf626;border:1px solid #8b5cf64d}.calc-result-box{border-radius:var(--radius-lg);background:linear-gradient(135deg,#10b98114,#3b82f614);border:1px solid #10b9814d;padding:24px}@media (width<=768px){.calc-result-box{padding:16px 12px}}.calc-total-price{color:var(--accent-success);letter-spacing:-.02em;margin:8px 0;font-size:2.2rem;font-weight:800}.breakdown-row{border-bottom:1px dashed var(--border-color);justify-content:space-between;align-items:center;padding:8px 0;font-size:.95rem;display:flex}.breakdown-row:last-child{border-bottom:none}.search-dropdown{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);z-index:50;max-height:280px;margin-top:4px;position:absolute;top:100%;left:0;right:0;overflow-y:auto;box-shadow:0 10px 25px #00000080}.search-item{cursor:pointer;border-bottom:1px solid #ffffff0a;justify-content:space-between;align-items:center;padding:12px 16px;transition:background .15s;display:flex}.search-item:hover{background:var(--bg-card-hover)}.search-item-title{font-size:.92rem;font-weight:600}.search-item-sub{color:var(--text-muted);font-size:.8rem}