.wpb-container{max-width:1280px;margin:30px auto;padding:0 20px}
.wpb-header h1{font-size:28px;margin:0 0 10px}
.wpb-breadcrumbs{font-size:14px;color:#666;margin-bottom:16px}
.wpb-breadcrumbs a{color:#666;text-decoration:none}
.wpb-breadcrumbs a:hover{text-decoration:underline}
.wpb-section h2{font-size:20px;margin:10px 0}
.wpb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.wpb-card{border:1px solid #d0d7de;border-radius:6px;overflow:hidden;background:#fff;cursor:pointer;transition:background .2s,border-color .2s;user-select:none;box-shadow:none}
.wpb-card:hover{background:#eef6ff;border-color:#99c2ff;box-shadow:none}
.wpb-topbar{background:#fff;color:#111827;padding:10px 14px;font-size:14px;font-weight:700;border:1px solid #d0d7de;border-radius:6px}
.wpb-image-wrap{height:200px;background:#f4f7fb}
.wpb-image-wrap img{width:100%;height:100%;object-fit:cover;display:block}
.wpb-empty{color:#999;padding:20px;text-align:center}

/* modal styles for shape selection */
.wpb-modal{position:fixed;left:0;top:0;right:0;bottom:0;z-index:9999;display:none}
.wpb-modal.show{display:block}
.wpb-modal-backdrop{position:absolute;left:0;top:0;right:0;bottom:0;background:rgba(0,0,0,.35)}
.wpb-modal-content{position:relative;width:760px;max-width:92%;margin:40px auto;background:#fff;border:1px solid #ccd6e3;box-shadow:0 8px 24px rgba(32,56,85,.18);border-radius:8px}
.wpb-modal-header{padding:10px 12px;background:#fff;color:#111827;font-weight:700;border:1px solid #d0d7de;border-top-left-radius:8px;border-top-right-radius:8px}
.wpb-modal-body{padding:12px}
.wpb-step-title{background:#fff;color:#111827;padding:8px 12px;font-weight:700;margin:10px 0;border:1px solid #d0d7de;border-radius:8px}
.wpb-shapes{display:flex;gap:16px;align-items:center;margin:8px 0}
.wpb-shape{width:120px;height:80px;border:2px solid #d0d7de;display:flex;align-items:center;justify-content:center;cursor:pointer;background:#fff;border-radius:6px}
.wpb-shape img{max-width:100%;max-height:100%;object-fit:contain}
.wpb-shape.selected{outline:3px solid #38f;background:#eef6ff;border-color:#99c2ff}
.wpb-step2{display:grid;grid-template-columns:240px 1fr;gap:16px;align-items:start}
.wpb-preview{position:relative}
.wpb-preview img{width:220px;height:auto;border:1px solid #ccd6e3;background:#fff;display:block;border-radius:6px}
.wpb-preview img.prev{display:none}
.wpb-preview img.prev-dyn{display:block}
.wpb-preview[data-shape="line"] .prev-line{display:block}
.wpb-preview[data-shape="corner"] .prev-corner{display:block}
.wpb-preview[data-shape="u"] .prev-u{display:block}
.wpb-preview[data-shape="square"] .prev-square{display:block}
.wpb-preview .wpb-label{position:absolute;background:rgba(255,255,255,.92);padding:3px 8px;border:1px solid #ccd6e3;border-radius:6px;font-weight:600;font-size:14px}
/* label positions synced with backend */
.wpb-preview[data-shape="line"] .wpb-label-a{left:50%;top:60%;transform:translate(-50%,0)}
.wpb-preview[data-shape="corner"] .wpb-label-a{left:50%;top:22%;transform:translate(-50%,0)}
.wpb-preview[data-shape="corner"] .wpb-label-b{left:64%;top:50%;transform:translate(0,-50%)}
.wpb-preview[data-shape="u"] .wpb-label-a{left:50%;top:22%;transform:translate(-50%,0)}
.wpb-preview[data-shape="u"] .wpb-label-b{left:64%;top:50%;transform:translate(0,-50%)}
.wpb-preview[data-shape="u"] .wpb-label-c{left:50%;bottom:24%;transform:translate(-50%,0)}
.wpb-preview[data-shape="square"] .wpb-label-a{left:50%;top:22%;transform:translate(-50%,0)}
.wpb-preview[data-shape="square"] .wpb-label-b{left:20%;top:50%;transform:translate(0,-50%)}
.wpb-dims{display:flex;flex-direction:column;gap:12px;margin:8px 0}
.wpb-l-shape-dim{margin-top:6px;display:flex;align-items:center;gap:12px;white-space:nowrap}
.wpb-dim-row{display:flex;gap:8px;align-items:center}
.wpb-dim-row input{width:56px;min-width:56px;max-width:56px}
.wpb-dim-row .wpb-unit{color:#666}
.wpb-dim-row .wpb-dim-range{margin-left:8px;color:#666;white-space:nowrap}
.wpb-dim-row>div:first-child{width:20px}
.wpb-error{color:#c00;margin-top:6px}
.wpb-angle-opts{display:flex;gap:12px;margin:8px 0}
.wpb-angle{width:110px;height:80px;border:2px solid #d0d7de;display:flex;align-items:center;justify-content:center;cursor:pointer;background:#fff;border-radius:6px}
.wpb-angle.selected{outline:3px solid #38f;background:#eef6ff;border-color:#99c2ff}
.wpb-modal-footer{padding:12px;display:flex;justify-content:flex-end;gap:8px}
.wpb-btn{padding:8px 14px;border:none;background:#0073aa;color:#fff;cursor:pointer;border-radius:6px;box-shadow:0 2px 6px rgba(0,0,0,.12)}
.wpb-btn[disabled]{opacity:.5;cursor:not-allowed}

/* mounting styles unified with product page */
.wpb-mountings{display:flex;gap:16px;align-items:center;margin:8px 0}
.wpb-mount{min-width:120px;min-height:80px;border:2px solid #999;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;background:#fff;border-radius:8px;font-weight:600;color:#2b3d4f;padding:8px 12px;gap:6px}
.wpb-mount.selected{outline:3px solid #38f;background:#eef6ff;border-color:#99c2ff}
.wpb-mount .wpb-mount-title{display:block;width:100%;text-align:center;border-bottom:1px solid #d0d7de;padding-bottom:6px;margin-bottom:4px}
.wpb-mount img{height:36px;width:auto;max-width:72px;object-fit:contain}