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:root{--primary-50:#fff7ed;--primary-100:#ffedd5;--primary-200:#fed7aa;--primary-300:#fdba74;--primary-400:#fb923c;--primary-500:#f97316;--primary-600:#ea580c;--primary-700:#c2410c;--primary-800:#9a3412;--primary-900:#7c2d12;--secondary-50:#fafaf9;--secondary-100:#f5f5f4;--secondary-200:#e7e5e4;--secondary-300:#d6d3d1;--secondary-400:#a8a29e;--secondary-500:#78716c;--secondary-600:#57534e;--secondary-700:#44403c;--secondary-800:#292524;--secondary-900:#1c1917;--neutral-50:#fafafa;--neutral-100:#f5f5f5;--neutral-200:#e5e5e5;--neutral-300:#d4d4d4;--neutral-400:#a3a3a3;--neutral-500:#737373;--neutral-600:#525252;--neutral-700:#404040;--neutral-800:#262626;--neutral-900:#171717;--neutral-950:#0a0a0a;--success:#22c55e;--warning:#f59e0b;--error:#ef4444;--info:#3b82f6;--bg-primary:#fff;--bg-secondary:#fafafa;--bg-tertiary:#f5f5f5;--bg-glass:#ffffffe6;--bg-glass-light:#fafafaf2;--text-primary:#171717;--text-secondary:#525252;--text-muted:#737373;--text-inverse:#fff;--border-subtle:#0000000f;--border-default:#0000001a;--border-strong:#00000026;--shadow-sm:0 1px 2px 0 #00000008,0 1px 3px 0 #0000000f;--shadow-md:0 4px 6px -1px #0000000d,0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #00000014,0 4px 6px -4px #0000000d;--shadow-xl:0 20px 25px -5px #00000014,0 8px 10px -6px #0000000a;--shadow-glow:0 0 20px #f9731640;--shadow-card:0 1px 3px #0000000a,0 4px 12px #0000000f;--gradient-primary:linear-gradient(135deg,var(--primary-500),var(--primary-600));--gradient-primary-soft:linear-gradient(135deg,var(--primary-400),var(--primary-500));--gradient-light:linear-gradient(180deg,#fff,#fafafa);--gradient-warm:linear-gradient(135deg,#fff7ed,#fff);--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--radius-sm:.5rem;--radius-md:.75rem;--radius-lg:1rem;--radius-xl:1.25rem;--radius-2xl:1.5rem;--radius-3xl:2rem;--radius-full:9999px;--font-sans:"Geist",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-mono:"Geist Mono","SF Mono",Consolas,monospace;--transition-fast:.15s 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var(--transition-fast);text-decoration:none}a:hover{color:var(--primary-500)}.app-layout{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--bg-primary);border-right:1px solid var(--border-subtle);z-index:100;transition:width var(--transition-slow);box-shadow:var(--shadow-sm);flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar.collapsed{width:var(--sidebar-collapsed)}.sidebar-header{padding:var(--spacing-lg);border-bottom:1px solid var(--border-subtle);align-items:center;gap:var(--spacing-md);display:flex}.sidebar-logo{background:var(--gradient-primary);border-radius:var(--radius-lg);color:#fff;width:42px;height:42px;box-shadow:var(--shadow-md);flex-shrink:0;justify-content:center;align-items:center;font-size:1.25rem;font-weight:700;display:flex}.sidebar-title{color:var(--text-primary);font-size:1.25rem;font-weight:700}.sidebar-nav{padding:var(--spacing-md);flex:1;overflow-y:auto}.nav-section{margin-bottom:var(--spacing-lg)}.nav-section-title{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);padding:var(--spacing-sm)var(--spacing-md);margin-bottom:var(--spacing-xs);font-size:.7rem;font-weight:600}.nav-item{align-items:center;gap:var(--spacing-md);padding:var(--spacing-md)var(--spacing-md);border-radius:var(--radius-lg);color:var(--text-secondary);transition:all var(--transition-fast);cursor:pointer;margin-bottom:4px;font-weight:500;display:flex}.nav-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}.nav-item.active{background:var(--primary-50);color:var(--primary-600);font-weight:600}.nav-item.active .nav-item-icon{color:var(--primary-500)}.nav-item-icon{flex-shrink:0;width:20px;height:20px}.main-content{margin-left:var(--sidebar-width);padding:var(--spacing-xl);background:var(--bg-secondary);flex:1;min-height:100vh}.card{background:var(--bg-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-2xl);padding:var(--spacing-lg);transition:all var(--transition-base);box-shadow:var(--shadow-card)}.card:hover{box-shadow:var(--shadow-lg)}.card-header{margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;display:flex}.card-title{color:var(--text-primary);font-size:1.125rem;font-weight:600}.card-subtitle{color:var(--text-muted);margin-top:var(--spacing-xs);font-size:.875rem}.btn{justify-content:center;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md)var(--spacing-lg);border-radius:var(--radius-xl);cursor:pointer;transition:all var(--transition-fast);border:none;font-size:.875rem;font-weight:500;text-decoration:none;display:inline-flex}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{box-shadow:var(--shadow-glow),var(--shadow-lg);transform:translateY(-2px)}.btn-secondary{background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border-default);box-shadow:var(--shadow-sm)}.btn-secondary:hover{background:var(--bg-tertiary);border-color:var(--border-strong)}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover{background:var(--bg-tertiary);color:var(--text-primary)}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--error);color:#fff}.btn-lg{padding:var(--spacing-lg)var(--spacing-xl);border-radius:var(--radius-2xl);font-size:1rem}.btn-sm{padding:var(--spacing-sm)var(--spacing-md);border-radius:var(--radius-lg);font-size:.813rem}.btn-icon{border-radius:var(--radius-lg);width:40px;height:40px;padding:0}.form-group{margin-bottom:var(--spacing-lg)}.form-label{color:var(--text-secondary);margin-bottom:var(--spacing-sm);font-size:.875rem;font-weight:500;display:block}.form-input,.form-select,.form-textarea{width:100%;padding:var(--spacing-md);background:var(--bg-primary);border:1px solid var(--border-default);border-radius:var(--radius-xl);color:var(--text-primary);transition:all var(--transition-fast);box-shadow:var(--shadow-sm);font-family:inherit;font-size:1rem}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary-500);outline:none;box-shadow:0 0 0 3px #f9731626}.form-input::placeholder{color:var(--text-muted)}.form-input-lg{padding:var(--spacing-lg);border-radius:var(--radius-2xl);font-size:1.25rem;font-weight:600}.form-row{gap:var(--spacing-lg);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));display:grid}.form-helper{color:var(--text-muted);margin-top:var(--spacing-xs);font-size:.75rem}.input-with-unit{position:relative}.input-with-unit .form-input{padding-right:60px}.input-unit{right:var(--spacing-md);color:var(--text-muted);font-size:.875rem;font-weight:500;position:absolute;top:50%;transform:translateY(-50%)}.stats-grid{gap:var(--spacing-lg);margin-bottom:var(--spacing-xl);grid-template-columns:repeat(auto-fit,minmax(240px,1fr));display:grid}.stat-card{background:var(--bg-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-2xl);padding:var(--spacing-lg);align-items:flex-start;gap:var(--spacing-md);box-shadow:var(--shadow-card);transition:all var(--transition-base);display:flex}.stat-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.stat-icon{border-radius:var(--radius-xl);flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;font-size:1.5rem;display:flex}.stat-icon.primary{background:var(--primary-50);color:var(--primary-500)}.stat-icon.success{color:var(--success);background:#22c55e1a}.stat-icon.warning{color:var(--warning);background:#f59e0b1a}.stat-icon.info{color:var(--info);background:#3b82f61a}.stat-content{flex:1}.stat-value{margin-bottom:var(--spacing-xs);color:var(--text-primary);font-size:1.75rem;font-weight:700;line-height:1.2}.stat-label{color:var(--text-muted);font-size:.875rem}.stat-change{margin-top:var(--spacing-xs);font-size:.75rem}.stat-change.positive{color:var(--success)}.stat-change.negative{color:var(--error)}.table-container{border-radius:var(--radius-xl);border:1px solid var(--border-subtle);background:var(--bg-primary);overflow-x:auto}.table{border-collapse:collapse;width:100%}.table th,.table td{padding:var(--spacing-md)var(--spacing-lg);text-align:left;border-bottom:1px solid var(--border-subtle)}.table th{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);background:var(--bg-tertiary);font-size:.75rem;font-weight:600}.table tbody tr{transition:background var(--transition-fast)}.table tbody tr:hover{background:var(--primary-50)}.table tbody tr:last-child td{border-bottom:none}.badge{border-radius:var(--radius-full);align-items:center;padding:6px 12px;font-size:.75rem;font-weight:600;display:inline-flex}.badge-primary{background:var(--primary-50);color:var(--primary-600)}.badge-success{color:#15803d;background:#22c55e1a}.badge-warning{color:#b45309;background:#f59e0b1a}.badge-error{color:#b91c1c;background:#ef44441a}.constructor-layout{gap:var(--spacing-xl);min-height:calc(100vh - var(--header-height) - var(--spacing-xl)*2);grid-template-columns:1fr 420px;display:grid}.constructor-preview{background:var(--bg-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-2xl);padding:var(--spacing-xl);box-shadow:var(--shadow-card);flex-direction:column;display:flex}.preview-header{margin-bottom:var(--spacing-lg);justify-content:space-between;align-items:center;display:flex}.preview-title{color:var(--text-primary);font-size:1.125rem;font-weight:600}.preview-canvas{background:var(--bg-tertiary);border-radius:var(--radius-xl);border:2px dashed var(--border-default);flex:1;justify-content:center;align-items:center;min-height:400px;display:flex}.preview-svg{max-width:100%;max-height:100%}.constructor-panel{gap:var(--spacing-lg);flex-direction:column;display:flex}.dimension-inputs{gap:var(--spacing-md);grid-template-columns:1fr 1fr;display:grid}.dimension-input{position:relative}.dimension-input .form-input{text-align:center;padding:var(--spacing-lg);padding-right:60px;font-size:1.5rem;font-weight:700}.dimension-label{text-transform:uppercase;color:var(--text-muted);text-align:center;margin-top:var(--spacing-xs);letter-spacing:.05em;font-size:.75rem}.bom-grid{background:var(--bg-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-2xl);box-shadow:var(--shadow-card);overflow:hidden}.bom-header{padding:var(--spacing-md)var(--spacing-lg);background:var(--bg-tertiary);border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;display:flex}.bom-title{color:var(--text-primary);font-size:.875rem;font-weight:600}.bom-items{max-height:300px;overflow-y:auto}.bom-item{padding:var(--spacing-md)var(--spacing-lg);border-bottom:1px solid var(--border-subtle);transition:background var(--transition-fast);justify-content:space-between;align-items:center;display:flex}.bom-item:hover{background:var(--primary-50)}.bom-item:last-child{border-bottom:none}.bom-item-name{color:var(--text-primary);font-size:.875rem;font-weight:500}.bom-item-type{color:var(--text-muted);font-size:.75rem}.bom-item-quantity{color:var(--primary-600);font-weight:600}.bom-item-cost{color:var(--text-secondary);text-align:right;font-size:.875rem}.summary-card{background:var(--gradient-primary);border-radius:var(--radius-2xl);padding:var(--spacing-xl);color:#fff;box-shadow:var(--shadow-lg)}.summary-row{padding:var(--spacing-sm)0;border-bottom:1px solid #ffffff26;justify-content:space-between;display:flex}.summary-row:last-of-type{border-bottom:none}.summary-label{opacity:.9}.summary-value{font-weight:600}.summary-total{margin-top:var(--spacing-md);padding-top:var(--spacing-md);border-top:2px solid #ffffff40;justify-content:space-between;align-items:center;display:flex}.summary-total-label{font-size:1.125rem;font-weight:600}.summary-total-value{font-size:1.75rem;font-weight:700}.page-header{margin-bottom:var(--spacing-xl)}.page-header h1{margin-bottom:var(--spacing-xs)}.page-header p{margin-bottom:0}.page-header-actions{gap:var(--spacing-md);margin-top:var(--spacing-lg);display:flex}.empty-state{text-align:center;padding:var(--spacing-2xl);color:var(--text-muted)}.empty-state-icon{width:64px;height:64px;margin:0 auto var(--spacing-lg);color:var(--neutral-300)}.empty-state h3{color:var(--text-secondary);margin-bottom:var(--spacing-sm)}.empty-state p{margin-bottom:var(--spacing-lg)}.list-item{align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);border-radius:var(--radius-xl);transition:all var(--transition-fast);cursor:pointer;display:flex}.list-item:hover{background:var(--primary-50)}.list-item-avatar{border-radius:var(--radius-lg);background:var(--bg-tertiary);width:44px;height:44px;color:var(--text-secondary);justify-content:center;align-items:center;font-weight:600;display:flex}.list-item-content{flex:1}.list-item-title{color:var(--text-primary);font-weight:500}.list-item-subtitle{color:var(--text-muted);font-size:.875rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-fade-in{animation:fadeIn var(--transition-slow)ease-out}.animate-slide-up{animation:slideUp var(--transition-slow)ease-out}@media (max-width:1024px){.constructor-layout{grid-template-columns:1fr}.main-content{margin-left:var(--sidebar-collapsed)}.sidebar{width:var(--sidebar-collapsed)}.sidebar-title,.nav-section-title,.nav-item span{display:none}}@media (max-width:768px){.main-content{padding:var(--spacing-md);margin-left:0}.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.stats-grid,.form-row{grid-template-columns:1fr}}.text-center{text-align:center}.text-right{text-align:right}.font-mono{font-family:var(--font-mono)}.font-bold{font-weight:700}.text-primary-color{color:var(--primary-500)}.text-success{color:var(--success)}.text-warning{color:var(--warning)}.text-error{color:var(--error)}.text-muted{color:var(--text-muted)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.grid{display:grid}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}.hidden{display:none}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}