:root{--primary: #e63312;--primary-light: #ff4d2e;--bg: #f8fafc;--bg-card: #ffffff;--text: #1e293b;--text-secondary: #64748b;--text-muted: #94a3b8;--border: #e2e8f0;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--info: #3b82f6}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}#root,.app{min-height:100vh}.app-header{background:var(--bg-card);border-bottom:1px solid var(--border);padding:16px 24px;display:flex;align-items:center;justify-content:space-between}.user-info{display:flex;align-items:center;gap:12px}.username{font-size:.9rem;color:var(--text-secondary);font-weight:500}.logout-btn{padding:8px 16px;background:transparent;border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);font-size:.85rem;cursor:pointer;transition:all .15s}.logout-btn:hover{border-color:var(--primary);color:var(--primary)}.logo{display:flex;align-items:center;gap:10px}.logo-icon{font-size:1.25rem;font-weight:800;color:var(--primary);letter-spacing:-.5px}.logo-text{font-size:.9rem;color:var(--text-secondary);font-weight:500}.nav-tabs{display:flex;justify-content:center;gap:8px;padding:16px 24px;background:var(--bg-card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.nav-tab{padding:12px 32px;background:var(--bg);border:none;border-radius:100px;color:var(--text-secondary);cursor:pointer;transition:all .15s;font-size:1rem;font-weight:500}.nav-tab:hover{background:#e2e8f0;color:var(--text)}.nav-tab.active{background:var(--primary);color:#fff}.app-main{padding:24px;max-width:1400px;margin:0 auto}.card{background:var(--bg-card);border-radius:12px;border:1px solid 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10px;border-radius:6px;font-size:.8rem;font-weight:500}.category-count{font-size:.8rem;color:var(--text-muted);text-align:right}.category-revenue{font-weight:600;font-size:.85rem;text-align:right}.category-cancel{font-size:.8rem;text-align:right;color:var(--text-muted)}.category-cancel.high{color:var(--danger)}@media(max-width:1024px){.dashboard-grid{grid-template-columns:1fr}.model-row{grid-template-columns:24px 100px 1fr 80px 40px}}.explorer{display:flex;flex-direction:column;height:calc(100vh - 140px)}.breadcrumb{display:flex;align-items:center;gap:8px;padding:12px 0;margin-bottom:16px;font-size:.9rem}.breadcrumb-item{color:var(--text-muted)}.breadcrumb-item.active{color:var(--text);font-weight:600}.breadcrumb-item.clickable{cursor:pointer}.breadcrumb-item.clickable:hover{color:var(--primary)}.breadcrumb-sep{color:var(--border)}.explorer-content{display:flex;gap:20px;flex:1;min-height:0}.explorer-column{background:#fff;border:1px solid var(--border);border-radius:12px;display:flex;flex-direction:column;min-height:0;transition:all .3s ease}.models-column{flex:0 0 300px}.models-column.collapsed{flex:0 0 260px}.generations-column{flex:0 0 380px}.generations-column.collapsed{flex:0 0 320px}.parts-column{flex:1}.column-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}.column-header h3{font-size:.95rem;font-weight:600;margin:0;color:var(--text-secondary)}.column-count{background:var(--bg);padding:3px 10px;border-radius:100px;font-size:.75rem;color:var(--text-muted);font-weight:500}.search-input{margin:12px 16px;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:.875rem;outline:none;transition:border-color 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