:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #dbeafe;--bg: #f1f5f9;--surface: #ffffff;--border: #e2e8f0;--text: #0f172a;--text-muted: #64748b;--success: #059669;--error: #dc2626;--error-bg: #fef2f2;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--transition: .15s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:linear-gradient(135deg,#1e3a5f,#2563eb);color:#fff;padding:1.25rem 2rem;box-shadow:var(--shadow-md)}.header-content{max-width:1400px;margin:0 auto;display:flex;align-items:center;gap:1rem}.header-content 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select{height:auto;min-height:120px}.model-filter{margin-bottom:.25rem}.btn-extract{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 2rem;background:var(--primary);color:#fff;border:none;border-radius:6px;font-size:.95rem;font-weight:600;cursor:pointer;transition:background var(--transition),transform var(--transition)}.btn-extract:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-1px)}.btn-extract:disabled{opacity:.6;cursor:not-allowed}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.section-title{font-size:1.05rem;font-weight:700;color:var(--text);margin-bottom:.75rem;display:flex;align-items:center;gap:.5rem}.section-title .count{font-size:.75rem;font-weight:500;color:var(--text-muted);background:var(--bg);padding:.15rem .5rem;border-radius:999px}.price-summary{background:var(--surface);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);margin-bottom:1.5rem}.price-form{margin-bottom:1rem}.price-form-grid{display:flex;gap:.75rem;align-items:flex-end;flex-wrap:wrap}.price-form-grid .form-field{min-width:140px}.btn-recalc{padding:.55rem 1.25rem;background:var(--primary);color:#fff;border:none;border-radius:6px;font-size:.85rem;font-weight:600;cursor:pointer;transition:background var(--transition);white-space:nowrap}.btn-recalc:hover{background:var(--primary-dark)}.price-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.75rem}.price-card{background:var(--bg);border-radius:6px;padding:1rem;display:flex;flex-direction:column;gap:.25rem}.price-card.total{background:var(--primary-light);border:1px solid 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tr:hover{background:#f8fafc}.features-table .row-header td{background:#f1f5f9;font-weight:600}.features-table tbody tr.row-header:hover td{background:#e2e8f0}.col-qty{width:60px}.col-base{width:50px}.col-feat{min-width:180px}.col-sub{min-width:200px}.col-pct{width:60px}.col-eur{width:80px}.col-len{width:70px}.col-amt{width:110px}.col-num{width:40px}.col-sum{width:100px}.num{text-align:right!important;font-variant-numeric:tabular-nums}.qty-input{width:100%;padding:.3rem .4rem;border:1px solid var(--border);border-radius:4px;font-size:.85rem;text-align:center;transition:border-color var(--transition)}.qty-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px #2563eb26}@media (max-width: 768px){.app-header,.app-main{padding:1rem}.form-grid{grid-template-columns:1fr 1fr}.price-form-grid{flex-direction:column}.price-cards{grid-template-columns:1fr}.table-wrap{max-height:350px}}