/* فیلتر و فهرست محصولات فروشگاه — دسکتاپ: ستون کناری چسبان؛ موبایل: پنل کشویی از پایین */
.catalog-layout{display:grid;grid-template-columns:292px minmax(0,1fr);gap:32px;align-items:start}
.catalog-sidebar{position:sticky;top:112px;display:flex;flex-direction:column;gap:16px;max-height:calc(100vh - 128px)}
.catalog-filter-panel{display:flex;flex-direction:column;min-height:0;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 32px #10253f0f;overflow:hidden}
.catalog-filters{display:flex;flex-direction:column;min-height:0;margin:0}
.filter-backdrop,.filter-close,.filter-open{display:none}

/* سرتیتر پنل */
.filter-head{position:relative;display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fffdf2,#fff)}
.filter-head h2{display:flex;align-items:center;gap:8px;margin-inline-end:auto;font-size:16px;color:var(--navy)}
.filter-head h2 svg{width:20px;height:20px;color:#806400}
.filter-reset{font-size:12px;font-weight:700;color:#9a2a1c;padding:4px 10px;border-radius:20px;background:#fdeeea;transition:background .2s,color .2s}
.filter-reset:hover{background:#9a2a1c;color:#fff}
.filter-close{place-items:center;width:38px;height:38px;border:0;border-radius:50%;background:var(--bg-2);color:var(--navy)}
.filter-close svg{width:18px;height:18px}
.filter-scroll{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:14px 20px 6px;scrollbar-width:thin;scrollbar-color:#c9d1d9 transparent}

/* کادر جست‌وجو */
.filter-search{position:relative;display:flex;align-items:center}
.filter-search>svg{position:absolute;inset-inline-start:12px;width:16px;height:16px;color:#7b8794;pointer-events:none}
.filter-search input{width:100%;height:42px;padding:0 38px;border:1px solid #d9dee3;border-radius:12px;background:#f7f8fa;font-size:13px;color:var(--ink);transition:border-color .2s,box-shadow .2s,background .2s}
.filter-search input:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px #e3b70530}
.filter-search input::-webkit-search-cancel-button,.filter-search input::-webkit-search-decoration{-webkit-appearance:none;appearance:none;display:none}
.filter-search-clear{position:absolute;inset-inline-end:8px;display:grid;place-items:center;width:26px;height:26px;border:0;border-radius:50%;background:#e8ebef;color:var(--navy)}
.filter-search-clear svg{width:12px;height:12px}.filter-search-clear:hover{background:var(--navy);color:#fff}
.filter-search-main{margin-bottom:6px}
.filter-group-body .filter-search{margin-bottom:10px}.filter-group-body .filter-search input{height:38px;font-size:12px}

/* گروه‌های فیلتر */
.filter-group{border-bottom:1px solid var(--line)}.filter-group:last-child{border-bottom:0}
.filter-group>summary{display:flex;align-items:center;gap:8px;padding:15px 0;list-style:none;cursor:pointer;font-size:13px;font-weight:700;color:var(--navy);user-select:none}
.filter-group>summary::-webkit-details-marker{display:none}
.filter-group>summary small{font-weight:400;color:var(--muted)}
.filter-group>summary>svg{width:16px;height:16px;margin-inline-start:auto;color:#7b8794;transition:transform .2s}
.filter-group[open]>summary>svg{transform:rotate(180deg)}
.filter-group-badge{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--accent);color:#111;font-size:11px;line-height:1}
.filter-group-body{padding-bottom:16px}
@media(prefers-reduced-motion:no-preference){.filter-group[open] .filter-group-body{animation:filter-open .22s ease-out}}
@keyframes filter-open{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* گزینه‌ها */
.filter-options{list-style:none;margin:0;padding:0 0 0 4px;display:grid;gap:1px}
.filter-options.is-expanded{max-height:272px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#c9d1d9 transparent}
.filter-option{padding-inline-start:calc(var(--depth,0)*16px)}
.filter-option label{position:relative;display:flex;align-items:center;gap:10px;margin-inline:-8px;padding:7px 8px;border-radius:9px;font-size:13px;cursor:pointer;transition:background .15s}
.filter-option label:hover{background:#f4f6f8}
.filter-option input{position:absolute;opacity:0;width:1px;height:1px;margin:0}
.filter-mark{flex:none;display:grid;place-items:center;width:19px;height:19px;border:1.5px solid #aab3bd;border-radius:6px;background:#fff;transition:background .15s,border-color .15s,transform .15s}
.filter-option input[type=radio]+.filter-mark{border-radius:50%}
.filter-mark::after{content:"";opacity:0;transition:opacity .12s,transform .15s}
.filter-option input[type=checkbox]+.filter-mark::after{width:5px;height:9px;margin-top:-2px;border:solid #111;border-width:0 2px 2px 0;transform:rotate(45deg) scale(.6)}
.filter-option input[type=radio]+.filter-mark::after{width:7px;height:7px;border-radius:50%;background:#111;transform:scale(.4)}
.filter-option input:checked+.filter-mark{background:var(--accent);border-color:var(--accent)}
.filter-option input:checked+.filter-mark::after{opacity:1}
.filter-option input[type=checkbox]:checked+.filter-mark::after{transform:rotate(45deg) scale(1)}
.filter-option input[type=radio]:checked+.filter-mark::after{transform:scale(1)}
.filter-option input:focus-visible+.filter-mark{outline:3px solid #927000;outline-offset:2px}
.filter-name{flex:1;min-width:0;line-height:1.7;overflow-wrap:anywhere}
.filter-option label:has(input:checked) .filter-name{font-weight:700;color:var(--navy)}
.filter-count{flex:none;min-width:28px;padding:0 8px;border-radius:20px;background:var(--bg-2);color:var(--muted);font-size:11px;text-align:center}
.filter-option label:has(input:checked) .filter-count{background:#fff2b5;color:#5c4900}
.js-filters .filter-options:not(.is-expanded):not([data-searching]) .is-extra:not(:has(input:checked)){display:none}
.filter-no-match{margin:6px 0 0;font-size:12px;color:var(--muted)}
.filter-more{display:inline-flex;align-items:center;gap:6px;margin-top:8px;padding:6px 12px;border:1px dashed #d3b94a;border-radius:20px;background:#fffbe6;color:#6f5700;font-size:12px;font-weight:700;transition:background .2s}
.filter-more:hover{background:#fff2b5}
.filter-more svg{width:14px;height:14px;transition:transform .2s}.filter-more[aria-expanded=true] svg{transform:rotate(180deg)}
.filter-options[data-searching]+.filter-no-match+.filter-more{display:none}
.filter-more:focus-visible{outline:3px solid #927000;outline-offset:3px}

/* وضعیت قیمت */
.filter-segment{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;padding:3px;border-radius:12px;background:var(--bg-2)}
.filter-segment label{position:relative;cursor:pointer}
.filter-segment input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.filter-segment span{display:block;padding:8px 2px;border-radius:9px;text-align:center;font-size:12px;color:#4a5560;transition:background .2s,color .2s,box-shadow .2s}
.filter-segment input:checked+span{background:#fff;color:var(--navy);font-weight:700;box-shadow:0 1px 5px #10253f26}
.filter-segment input:focus-visible+span{outline:3px solid #927000;outline-offset:1px}

/* بازه قیمت */
.catalog-price-range{display:block;min-width:0;margin:0;padding:0;border:0}
.price-range-track{position:relative;height:34px;margin:2px 10px 0;background:linear-gradient(to bottom,transparent 15px,#e3e8ee 15px,#e3e8ee 19px,transparent 19px);border-radius:4px}
.price-range-fill{position:absolute;top:15px;height:4px;left:var(--range-low,0%);right:calc(100% - var(--range-high,100%));background:var(--accent);border-radius:4px}
.price-range-track input[type=range]{position:absolute;inset:0;width:100%;height:34px;margin:0;padding:0;border:0;background:transparent;pointer-events:none;appearance:none;-webkit-appearance:none;direction:ltr}
.price-range-track input[type=range]::-webkit-slider-runnable-track{background:transparent;height:34px}
.price-range-track input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:22px;height:22px;margin-top:6px;border-radius:50%;border:3px solid var(--navy);background:#fff;pointer-events:auto;cursor:grab;box-shadow:0 2px 6px #10253f33;transition:transform .15s}
.price-range-track input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;border:3px solid var(--navy);background:#fff;pointer-events:auto;cursor:grab}
.price-range-track input[type=range]:active::-webkit-slider-thumb{transform:scale(1.15);cursor:grabbing}
.price-range-track input[disabled]::-webkit-slider-thumb{border-color:#a9b1b8;background:#eee;cursor:not-allowed}
.price-range-track input[disabled]::-moz-range-thumb{border-color:#a9b1b8;background:#eee;cursor:not-allowed}
.price-range-track input[type=range]:focus-visible{outline:none}
.price-range-track input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 5px #e3b70566}
.price-range-values{display:flex;justify-content:space-between;gap:8px;margin-top:6px;font-size:12px}
.price-range-values>span{flex:1;padding:6px 10px;border-radius:10px;background:var(--bg-2);color:var(--muted);white-space:nowrap}
.price-range-values output{margin-inline-start:2px;color:var(--ink);font-weight:700}
.price-range-note{margin-top:10px;font-size:11px;line-height:1.9;color:var(--muted)}
.catalog-price-range[data-off] .price-range-track,.catalog-price-range[data-off] .price-range-values{opacity:.45}
.catalog-price-range noscript label{display:block;font-size:12px;margin-top:8px}
.catalog-price-range noscript input{width:100%;direction:ltr;padding:8px;border:1px solid #d9dee3;border-radius:8px}

/* پایین پنل */
.filter-foot{padding:14px 20px;border-top:1px solid var(--line);background:#fff}
.filter-foot .btn{width:100%;min-height:48px}
.js-filters .filter-foot{display:none}

/* کنار فیلتر: راهنما */
.catalog-help{flex:none;margin:0;padding:20px;border-radius:14px;border-inline-start:3px solid var(--accent);background:#fff9dc}
.catalog-help h3{font-size:15px;margin-block:10px 6px}.catalog-help p{color:#68604b;font-size:12px}.catalog-help a{display:inline-block;direction:ltr;font-weight:700;margin-top:10px}
@media(max-height:780px){.catalog-help{display:none}}

/* نوار ابزار نتایج */
.catalog-results{position:relative;min-width:0}
.catalog-toolbar{display:flex;align-items:center;gap:14px;padding-bottom:16px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.catalog-count{display:inline-flex;align-items:baseline;gap:5px;flex-shrink:0;white-space:nowrap;font-size:13px;color:var(--muted)}.catalog-count strong{font-size:16px;color:var(--ink)}
.catalog-sort{display:flex;align-items:center;gap:10px;margin-inline-start:auto;font-size:12px;color:var(--muted);white-space:nowrap}
.catalog-sort select{appearance:none;-webkit-appearance:none;height:42px;padding:0 14px 0 36px;border:1px solid #d9dee3;border-radius:12px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2310253f' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat left 12px center/14px;font-size:12px;font-weight:700;color:var(--navy);cursor:pointer;transition:border-color .2s,box-shadow .2s}
.catalog-sort select:hover{border-color:#b8c0c8}.catalog-sort select:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px #e3b70530}
.filter-open{align-items:center;gap:8px;height:42px;padding:0 16px;border:1px solid var(--navy);border-radius:30px;background:var(--navy);color:#fff;font-size:13px;font-weight:700}
.filter-open svg{width:18px;height:18px}
.filter-open-badge{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--accent);color:#111;font-size:11px}

/* برچسب‌های فیلتر فعال */
.catalog-active ul{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 20px;padding:0;list-style:none}
.filter-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 12px 4px 5px;border:1px solid #ecd36a;border-radius:30px;background:#fff9dc;color:#4d3f00;font-size:12px;line-height:1.6;transition:background .2s,border-color .2s}
.filter-chip small{font-size:11px;color:#806400}
.filter-chip span{font-weight:700}
.filter-chip i{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--navy);color:#fff;transition:background .2s}
.filter-chip i svg{width:12px;height:12px}
.filter-chip:hover{background:#fff2b5;border-color:#d9b92b}.filter-chip:hover i{background:#b42318}
.filter-chip:focus-visible,.filter-chip-clear:focus-visible{outline:3px solid #927000;outline-offset:2px}
.filter-chip-clear{display:inline-block;padding:6px 8px;font-size:12px;color:var(--muted);text-decoration:underline;text-underline-offset:3px}.filter-chip-clear:hover{color:#9a2a1c}
@media(prefers-reduced-motion:no-preference){.filter-chip{animation:chip-in .25s ease-out}}
@keyframes chip-in{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:none}}

/* وضعیت بارگذاری ایجکس */
#catalog-live{transition:opacity .2s;scroll-margin-top:110px}
.catalog-results[aria-busy=true] #catalog-live{opacity:.45;pointer-events:none}
.catalog-results[aria-busy=true]::before{content:"";position:absolute;z-index:2;top:-8px;inset-inline:0;height:3px;border-radius:3px;background:linear-gradient(90deg,transparent,var(--accent),transparent) no-repeat;background-size:40% 100%;animation:catalog-load 1s linear infinite}
@keyframes catalog-load{from{background-position:-40% 0}to{background-position:140% 0}}
.catalog-empty{border-radius:16px;background:#fafafa}

/* تبلت */
@media(max-width:1100px){.catalog-layout{grid-template-columns:262px minmax(0,1fr);gap:24px}.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* موبایل و تبلت کوچک: پنل کشویی از پایین (بدون جاوااسکریپت، فرم به‌صورت عادی بالای نتایج می‌ماند) */
@media(max-width:900px){
.catalog-layout{grid-template-columns:1fr;gap:20px}
.catalog-sidebar{position:static;max-height:none}
.catalog-help{display:none}
.catalog-filter-panel{max-height:none}.catalog-filters .filter-scroll{overflow:visible}
.js-filters .catalog-sidebar{position:fixed;inset:0;z-index:130;display:block;pointer-events:none;visibility:hidden;transition:visibility 0s .3s}
.js-filters .catalog-sidebar.is-open{pointer-events:auto;visibility:visible;transition-delay:0s}
.js-filters .filter-backdrop{display:block;position:absolute;inset:0;width:100%;border:0;background:#0b1626;opacity:0;transition:opacity .3s}
.js-filters .is-open .filter-backdrop{opacity:.55}
.js-filters .catalog-filter-panel{position:absolute;inset-inline:0;bottom:0;max-height:90vh;max-height:90dvh;border:0;border-radius:22px 22px 0 0;box-shadow:0 -12px 40px #0b162659;transform:translateY(102%);transition:transform .32s cubic-bezier(.2,.8,.2,1)}
.js-filters .is-open .catalog-filter-panel{transform:none}
.js-filters .filter-head{padding-top:24px}
.js-filters .filter-head::before{content:"";position:absolute;top:9px;left:50%;width:42px;height:4px;border-radius:4px;background:#d3d9df;transform:translateX(-50%)}
.js-filters .filter-close,.js-filters .filter-open{display:inline-grid}
.js-filters .filter-open{display:inline-flex}
.js-filters .catalog-filters .filter-scroll{overflow-y:auto}
.js-filters .filter-foot{display:block;padding-bottom:max(14px,env(safe-area-inset-bottom));box-shadow:0 -8px 20px #10253f12}
.js-filters .filter-option label{padding-block:10px}
.js-filters .filter-group>summary{padding-block:17px}
body.filters-open{overflow:hidden}
}
@media(max-width:560px){.catalog-sort>span{display:none}.catalog-toolbar{gap:10px}.catalog-sort select{padding-inline:12px 32px}}
@media(max-width:460px){.catalog-grid{grid-template-columns:1fr}.filter-chip{font-size:11.5px}}