:root{font-family:Arial,Helvetica,sans-serif;color:#19191d;background:#f6f6f8;line-height:1.6}*{box-sizing:border-box}body{margin:0}.demo-header{display:flex;align-items:center;gap:20px;background:#fff;padding:18px 5%;border-bottom:1px solid #ddd}.brand{font-weight:900;font-size:26px;text-decoration:none;color:#101014}.brand span{color:#c90029}.demo-header button{margin-left:auto}main{max-width:1160px;margin:auto;padding:24px}h1{font-size:clamp(28px,5vw,48px);line-height:1.12}h2{font-size:22px}h3{font-size:18px}.intro{max-width:780px}.demo-notice{background:#fff1f2;border-left:4px solid #c90029;padding:12px;font-size:14px}.demo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:18px}.card,.panel,.demo-included{background:#fff;border:1px solid #ddd;border-radius:14px;padding:22px;margin-bottom:20px}.product-art{font-size:64px;display:grid;place-items:center;height:130px;background:#f5f2ef;border-radius:12px}.price{font-size:22px;font-weight:700;color:#a80022}button,.button{background:#b80027;color:#fff;border:1px solid #b80027;border-radius:7px;padding:10px 15px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;display:inline-block}button.secondary{background:white;color:#242429;border-color:#aaa}button:disabled{opacity:.55;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #2458c4;outline-offset:3px}input,select,textarea{width:100%;border:1px solid #999;border-radius:6px;padding:10px;font:inherit;background:#fff;color:#19191d}label{display:grid;gap:6px;margin:10px 0}form{max-width:650px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left}th,td{padding:12px;border-bottom:1px solid #ddd}td input{min-width:65px;max-width:90px}.metrics{display:flex;gap:20px;flex-wrap:wrap}.metric{padding:12px 20px;background:#eee;border-radius:8px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.tabs{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.floor{position:relative;height:330px;background:repeating-linear-gradient(0deg,#eee 0 1px,transparent 1px 30px),repeating-linear-gradient(90deg,#eee 0 1px,#fafafa 1px 30px);border:1px solid #aaa;overflow:hidden}.floor button{position:absolute;min-width:55px;max-width:110px;touch-action:none;background:#333;border-color:#333}.floor button.selected{background:#b80027}.log{white-space:pre-line;border-left:4px solid #b80027;padding:12px;background:#fff}#demo-status{min-height:28px;font-weight:700}small{color:#505057}.qty{display:inline-flex;gap:6px;align-items:center}.qty button{padding:4px 10px}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}