.prc-v5{font-family:Arial,Helvetica,sans-serif;color:#171717;max-width:1200px;margin:25px auto;background:#f7f7f5;border-radius:20px;overflow:hidden;box-shadow:0 18px 55px rgba(0,0,0,.12)}

.prc-overlay{padding:20px}.prc-eyebrow{font-size:12px;letter-spacing:3px;opacity:.85}
.prc-card{padding:30px 34px}.prc-card h3{font-size:20px;margin:0 0 18px}.prc-categories{display:grid;grid-template-columns:repeat(8,1fr);gap:12px}.prc-cat{background:#fff;border:1px solid #ddd;border-radius:10px;padding:10px 6px;cursor:pointer;min-height:105px;transition:.2s}.prc-cat:hover,.prc-cat.active{border-color:#222;box-shadow:0 5px 16px rgba(0,0,0,.1);transform:translateY(-2px)}.prc-cat.active{background:#f0f0ed}.prc-cat-img{height:58px;display:flex;align-items:center;justify-content:center}.prc-cat img{max-width:70px;max-height:55px}.prc-cat span:last-child{display:block;font-size:12px;font-weight:600;line-height:1.2;margin-top:5px;color: black;}
.prc-workspace{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;margin-top:30px}.prc-label{display:block;font-size:15px;font-weight:700;margin-bottom:8px}.prc-variant{width:100%;height:48px;border:1px solid #ccc;border-radius:8px;padding:0 13px;background:#fff;font-size:14px}.prc-preview{background:#fff;border:1px solid #ddd;border-radius:12px;padding:15px}.prc-preview-title{font-weight:700;font-size:14px;margin-bottom:10px}.prc-preview-box{height:300px;border-radius:9px;background:#f4f4f1;display:flex;align-items:center;justify-content:center;overflow:hidden}.prc-preview-img{max-width:100%;max-height:100%;object-fit:contain}.prc-placeholder{color:#999;font-size:13px}.prc-design-gallery{display:flex;gap:10px;margin-top:13px;flex-wrap:wrap}.prc-thumb{width:78px;height:62px;padding:2px;background:#fff;border:2px solid #ddd;border-radius:7px;cursor:pointer}.prc-thumb.active{border-color:#111}.prc-thumb img{width:100%;height:100%;object-fit:contain}
.prc-units{display:flex;margin-top:26px;border-bottom:1px solid #ddd}.prc-units button{border:0;background:none;padding:12px 18px;cursor:pointer;font-weight:600}.prc-units button.active{border-bottom:2px solid #111}.prc-dim-title,.prc-thickness-title{font-weight:700;font-size:14px;margin:20px 0 12px}.prc-fields{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.prc-fields label{font-size:12px;font-weight:600}.prc-input,.prc-qty{display:block;width:100%;height:44px;margin-top:6px;border:1px solid #ccc;border-radius:7px;padding:0 11px;box-sizing:border-box}.prc-thicknesses{display:flex;flex-wrap:wrap;gap:9px}.prc-thicknesses label{background:#fff;border:1px solid #ddd;border-radius:7px;padding:10px 12px;font-size:13px;cursor:pointer}.prc-thicknesses input{accent-color:#111}.prc-actions{display:flex;gap:12px;margin-top:25px}.prc-calc,.prc-reset{height:46px;border-radius:7px;padding:0 24px;border:0;font-weight:700;cursor:pointer}.prc-calc{background:#111;color:#fff}.prc-reset{background:#e9e9e6;color:#111}.prc-result{display:none;background:#fff;border:1px solid #ddd;border-radius:12px;padding:20px;margin-top:25px}.prc-result.show{display:block}.prc-result-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.prc-result-head h3{margin:0}.prc-sheet-badge{background:#111;color:#fff;padding:8px 12px;border-radius:20px;font-weight:700;font-size:13px}.prc-result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}.prc-result-grid>div{background:#f6f6f3;border-radius:8px;padding:13px}.prc-result-grid small{display:block;color:#777;margin-bottom:5px}.prc-result-grid strong{font-size:14px}.prc-note{font-size:12px;color:#666;line-height:1.5;margin:16px 0 0}
@media(max-width:950px){.prc-categories{grid-template-columns:repeat(4,1fr)}.prc-workspace{grid-template-columns:1fr}.prc-fields,.prc-result-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.prc-card{padding:22px 16px}}