/* ── Filter Sidebar ────────────────────────────────── */
.fo-custom-filter{background:#fff;border:1px solid #e5e5e5;border-radius:12px;padding:0;margin-bottom:20px;font-family:inherit;overflow:hidden}
.fo-filter-header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px 14px;border-bottom:1px solid #eee}
.fo-filter-header h3{font-size:18px;font-weight:700;margin:0;color:#1a1a1a}
.fo-filter-header .fo-clear-all{font-size:13px;color:#e53935;cursor:pointer;font-weight:600;text-decoration:none}
.fo-filter-header .fo-clear-all:hover{text-decoration:underline}
.fo-accordion{border-bottom:1px solid #eee}
.fo-accordion:last-child{border-bottom:none}
.fo-acc-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;cursor:pointer;transition:background .15s;user-select:none}
.fo-acc-head:hover{background:#f8f8f8}
.fo-acc-head.fo-open{background:#eef0ff}
.fo-acc-head span.fo-acc-label{font-size:15px;font-weight:600;color:#1a1a1a}
.fo-acc-arrow{font-size:18px;color:#999;transition:transform .25s;line-height:1}
.fo-acc-head.fo-open .fo-acc-arrow{transform:rotate(180deg)}
.fo-acc-body{display:none;padding:0 20px 16px}
.fo-acc-body.fo-open{display:block}
/* Category sub-accordions */
.fo-cat-row{border-bottom:1px solid #f0f0f0;padding:0}
.fo-cat-row:last-child{border-bottom:none}
.fo-cat-head{display:flex;align-items:center;justify-content:space-between;padding:9px 0;cursor:default}
.fo-cat-head .fo-cat-left{display:flex;align-items:center;gap:10px;flex:1}
.fo-cat-head .fo-cat-left input{width:18px;height:18px;accent-color:#2E3192;cursor:pointer;flex-shrink:0}
.fo-cat-head .fo-cat-left label{font-size:14px;color:#333;cursor:pointer}
.fo-cat-head .fo-cat-left label.fo-active-cat{font-weight:600;color:#2E3192}
.fo-cat-expand{font-size:16px;color:#999;cursor:pointer;padding:4px 6px;transition:transform .25s;line-height:1;user-select:none}
.fo-cat-expand.fo-open{transform:rotate(180deg)}
.fo-cat-subs{display:none;padding:2px 0 8px 28px}
.fo-cat-subs.fo-open{display:block}
.fo-cat-subs ul{list-style:none;padding:0;margin:0;max-height:200px;overflow-y:auto}
.fo-cat-subs ul::-webkit-scrollbar{width:4px}
.fo-cat-subs ul::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}
.fo-cat-subs li{display:flex;align-items:center;gap:10px;padding:5px 0;cursor:pointer}
.fo-cat-subs li:hover{background:#f5f5f5;border-radius:4px}
.fo-cat-subs li input{width:16px;height:16px;accent-color:#2E3192;cursor:pointer;flex-shrink:0}
.fo-cat-subs li label{font-size:13px;color:#444;cursor:pointer}
/* Color grid */
.fo-color-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:4px}
.fo-color-item{display:flex;align-items:center;gap:8px;padding:8px 4px;cursor:pointer;transition:background .15s;border-radius:6px}
.fo-color-item:hover{background:#f5f5f5}
.fo-color-item input{display:none}
.fo-color-swatch{width:32px;height:32px;border-radius:6px;flex-shrink:0;border:2px solid #e5e5e5;transition:border-color .2s,transform .2s;box-shadow:inset 0 0 2px rgba(0,0,0,.1);background-size:400%;background-position:center 40%}
.fo-color-item:hover .fo-color-swatch{transform:scale(1.08)}
.fo-color-item.fo-active .fo-color-swatch{border-color:#2E3192;border-width:3px;transform:scale(1.08)}
.fo-color-item label{font-size:12px;color:#333;cursor:pointer;line-height:1.2}
.fo-color-item.fo-active label{font-weight:600;color:#2E3192}
/* Width filter */
.fo-width-item:hover{background:#f5f5f5}
.fo-width-item.fo-active label{font-weight:600;color:#2E3192}
/* Thickness filter */
.fo-thick-item:hover{background:#f5f5f5}
.fo-thick-item.fo-active label{font-weight:600;color:#2E3192}
/* Filter count bar */
.fo-count-bar{background:#f0f0ff;border:1px solid #d0d0f0;border-radius:8px;padding:10px 16px;margin:0 0 20px;font-size:13px;color:#2E3192;font-weight:600;display:none}
.fo-count-bar .fo-x{cursor:pointer;float:right;color:#999;font-weight:600}
.fo-count-bar .fo-x:hover{color:#e53935}
/* Toolbar */
.fo-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 24px;padding:10px 0 0}
.fo-toolbar-left{flex:1}
.fo-sort-wrap{display:flex;align-items:center;gap:8px;margin-left:auto}
.fo-sort-wrap label{font-size:13px;color:#777;white-space:nowrap}
.fo-sort-wrap select{padding:8px 32px 8px 14px;border:1.5px solid #ccc;border-radius:50px;font-size:14px;color:#333;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E") no-repeat right 12px center;cursor:pointer;font-family:inherit;outline:none;-webkit-appearance:none;appearance:none}
.fo-sort-wrap select:hover{border-color:#2E3192}
/* Mobile */
.fo-mobile-btn{display:none;position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:9998;padding:12px 28px;background:#2E3192;color:#fff;border:none;border-radius:50px;font-size:15px;font-weight:600;cursor:pointer;font-family:inherit;box-shadow:0 4px 20px rgba(46,49,146,.4)}
.fo-mobile-btn svg{vertical-align:middle;margin-right:6px}
.fo-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:9999;opacity:0;transition:opacity .3s}
.fo-overlay.fo-show{opacity:1}
.fo-drawer{position:fixed;top:0;left:-320px;width:300px;height:100%;background:#fff;z-index:10000;overflow-y:auto;padding:20px;transition:left .3s ease;box-shadow:2px 0 20px rgba(0,0,0,.15)}
.fo-drawer.fo-show{left:0}
.fo-drawer-close{position:absolute;top:15px;right:15px;width:32px;height:32px;border:none;background:#f0f0f0;border-radius:50%;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#333}
/* Product actions */
.fo-product-actions{position:absolute;bottom:10px;left:50%;transform:translateX(-50%) translateY(10px);display:flex;gap:6px;opacity:0;transition:opacity .25s,transform .25s;z-index:5}
li.product:hover .fo-product-actions{opacity:1;transform:translateX(-50%) translateY(0)}
.fo-quick-view-btn,.fo-compare-btn{padding:8px 14px;background:#2E3192;color:#fff;border:none;border-radius:6px;font-size:12px;font-weight:600;cursor:pointer;white-space:nowrap;font-family:inherit;transition:background .2s}
.fo-quick-view-btn:hover,.fo-compare-btn:hover{background:#1a1d6e}
.fo-compare-btn.fo-compared{background:#fff;color:#2E3192;border:2px solid #2E3192}
/* Quick View */
.fo-qv-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);z-index:10001;justify-content:center;align-items:center;padding:20px}
.fo-qv-overlay.fo-show{display:flex}
.fo-qv-modal{background:#fff;border-radius:16px;max-width:750px;width:100%;max-height:85vh;overflow-y:auto;display:flex;position:relative;box-shadow:0 10px 40px rgba(0,0,0,.2)}
.fo-qv-close{position:absolute;top:12px;right:12px;width:36px;height:36px;border:none;background:#f0f0f0;border-radius:50%;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#333;z-index:2}
.fo-qv-image{flex:0 0 50%;padding:30px;display:flex;align-items:center;justify-content:center;background:#fafafa;border-radius:16px 0 0 16px}
.fo-qv-image img{max-width:100%;max-height:400px;object-fit:contain;border-radius:8px}
.fo-qv-info{flex:1;padding:30px;display:flex;flex-direction:column;gap:12px}
.fo-qv-title{font-size:20px;font-weight:700;color:#1a1a1a;margin:0;line-height:1.3}
.fo-qv-cat{font-size:13px;color:#999}
.fo-qv-desc{font-size:14px;color:#555;line-height:1.6;max-height:200px;overflow-y:auto}
.fo-qv-link{display:inline-block;margin-top:auto;padding:12px 24px;background:#2E3192;color:#fff;text-decoration:none;border-radius:8px;font-weight:600;font-size:14px;text-align:center}
.fo-qv-link:hover{background:#1a1d6e;color:#fff}
.fo-spinner{padding:60px;text-align:center;width:100%}
.fo-spinner::after{content:'';display:inline-block;width:36px;height:36px;border:3px solid #ddd;border-top-color:#2E3192;border-radius:50%;animation:fospin .8s linear infinite}
@keyframes fospin{to{transform:rotate(360deg)}}
/* Compare bar */
.fo-compare-bar{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:2px solid #2E3192;box-shadow:0 -4px 20px rgba(0,0,0,.1);z-index:9996;padding:12px 20px;display:flex;align-items:center;gap:15px;transform:translateY(100%);transition:transform .3s}
.fo-compare-bar.fo-show{transform:translateY(0)}
.fo-compare-bar-label{font-size:14px;font-weight:700;color:#1a1a1a;white-space:nowrap}
.fo-compare-bar-items{display:flex;gap:10px;flex:1;overflow-x:auto}
.fo-cbi{position:relative;flex-shrink:0;width:70px;height:70px;border-radius:8px;overflow:hidden;border:2px solid #e5e5e5;background:#fafafa}
.fo-cbi img{width:100%;height:100%;object-fit:cover}
.fo-cbi-rm{position:absolute;top:-2px;right:-2px;width:20px;height:20px;background:#e53935;color:#fff;border:none;border-radius:50%;font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.fo-cbi-empty{flex-shrink:0;width:70px;height:70px;border-radius:8px;border:2px dashed #ddd;display:flex;align-items:center;justify-content:center;color:#ccc;font-size:24px}
.fo-compare-actions{display:flex;gap:10px;flex-shrink:0}
.fo-compare-now{padding:10px 24px;background:#2E3192;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit}
.fo-compare-now:hover{background:#1a1d6e}
.fo-compare-clear{padding:10px 16px;background:#fff;color:#777;border:1.5px solid #ccc;border-radius:8px;font-size:14px;cursor:pointer;font-family:inherit}
.fo-compare-clear:hover{border-color:#e53935;color:#e53935}
/* Compare modal */
.fo-cmp-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);z-index:10002;justify-content:center;align-items:center;padding:20px}
.fo-cmp-overlay.fo-show{display:flex}
.fo-cmp-modal{background:#fff;border-radius:16px;max-width:950px;width:100%;max-height:90vh;overflow-y:auto;position:relative;padding:30px;box-shadow:0 10px 40px rgba(0,0,0,.2)}
.fo-cmp-close{position:absolute;top:12px;right:12px;width:36px;height:36px;border:none;background:#f0f0f0;border-radius:50%;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#333;z-index:2}
.fo-cmp-modal h2{font-size:22px;font-weight:700;margin:0 0 20px;color:#1a1a1a}
.fo-cmp-table{width:100%;border-collapse:collapse;border:1px solid #e5e5e5;border-radius:12px;overflow:hidden}
.fo-cmp-table td{padding:12px 16px;font-size:14px;color:#333;border-bottom:1px solid #f0f0f0;text-align:center;vertical-align:middle}
.fo-cmp-table td:first-child{background:#f8f8f8;font-weight:700;font-size:13px;color:#555;text-transform:uppercase;letter-spacing:.5px;text-align:left;min-width:110px;white-space:nowrap}
.fo-cmp-table td:not(:first-child){border-left:1px solid #f0f0f0}
.fo-cmp-table tr:last-child td{border-bottom:none}
@media(max-width:768px){
.fo-mobile-btn{display:flex;align-items:center}
.fo-filter-sidebar{display:none!important}
.fo-toolbar{flex-direction:column;align-items:flex-start}
.fo-sort-wrap{margin-left:0;width:100%}
.fo-sort-wrap select{flex:1}
.fo-qv-modal{flex-direction:column;max-height:90vh}
.fo-qv-image{border-radius:16px 16px 0 0;padding:20px}
.fo-qv-info{padding:20px}
.fo-compare-bar{flex-wrap:wrap;padding:10px 15px;gap:10px}
.fo-compare-bar-items{order:2;width:100%}
.fo-compare-actions{order:1;width:100%;justify-content:space-between}
.fo-product-actions{gap:4px}
.fo-quick-view-btn,.fo-compare-btn{padding:6px 10px;font-size:11px}
.fo-mobile-btn{bottom:80px}
.fo-color-swatch{width:28px;height:28px}
.fo-color-item label{font-size:11px}
}