.builder{padding:115px 0 70px;background:#f5f7fb;min-height:100vh}.builder-head{max-width:850px;margin-bottom:28px}.builder-head h1{font-size:clamp(2rem,4vw,3.2rem);font-weight:800;color:#0f172a}.builder-head p{font-size:1.08rem;color:#475569}.builder-tabs{display:flex;gap:10px;margin:22px 0}.builder-tab{border:1px solid #cbd5e1;background:#fff;color:#0f172a;border-radius:12px;padding:11px 20px;font-weight:700;cursor:pointer}.builder-tab.active{background:#0f766e;color:#fff;border-color:#0f766e}.builder-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}.builder-form,.builder-summary{background:#fff;border:1px solid #e2e8f0;border-radius:18px;box-shadow:0 12px 35px rgba(15,23,42,.07)}.builder-form{padding:24px}.builder-summary{padding:22px;position:sticky;top:92px}.builder-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.builder-field label{display:block;font-weight:700;color:#1e293b;margin-bottom:7px}.builder-field select{width:100%;border:1px solid #cbd5e1;border-radius:10px;padding:11px;background:#fff;color:#0f172a}.builder-field small{display:block;color:#64748b;margin-top:5px}.builder-subsection{margin-top:26px;padding-top:22px;border-top:2px solid #e2e8f0}.builder-subsection h2{font-size:1.2rem;font-weight:800;color:#0f172a;margin-bottom:16px}.builder-alert{margin-top:20px;border-radius:12px;padding:14px;background:#ecfdf5;color:#166534}.builder-alert.warn{background:#fff7ed;color:#9a3412}.builder-summary h2{font-size:1.35rem;font-weight:800}.builder-total{font-size:2rem;font-weight:800;color:#0f766e;margin:14px 0 2px}.builder-muted{font-size:.84rem;color:#64748b}.builder-specs{list-style:none;padding:0;margin:18px 0}.builder-specs li{display:flex;justify-content:space-between;gap:14px;padding:8px 0;border-bottom:1px solid #e2e8f0}.builder-specs span:last-child{text-align:right;font-weight:700}.store-search{margin-top:24px}.store-search h3{font-size:1.1rem;font-weight:800}.store-links{display:flex;flex-wrap:wrap;gap:8px}.store-links a{display:inline-flex;padding:8px 11px;border-radius:9px;background:#e6fffb;color:#0f766e;font-weight:700;text-decoration:none}.store-links a:hover{background:#ccfbf1}.builder-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.builder-action{border:0;border-radius:10px;padding:11px 15px;font-weight:700;cursor:pointer;background:#0f766e;color:#fff}.builder-action.secondary{background:#e2e8f0;color:#0f172a}.builder-note{margin-top:25px;padding:18px;border-left:4px solid #f59e0b;background:#fffbeb;color:#78350f;border-radius:8px}.builder-sources{margin-top:30px;color:#475569}.builder-sources a{color:#0f766e}@media(max-width:900px){.builder-layout{grid-template-columns:1fr}.builder-summary{position:static}}@media(max-width:600px){.builder-grid{grid-template-columns:1fr}.builder-form{padding:17px}.builder{padding-top:95px}}