/* ====== پنل فیلتر صفحه‌ی اصلی ====== */
.hero-compact { padding: 34px 0 18px; margin-bottom: 4px; }
.hero-compact h1 { font-size: 2.1rem; }
.hero-compact p { margin-bottom: 0; }

.filter-card { background: var(--card-bg); border-radius: 16px; padding: 14px 18px; margin-bottom: 18px; box-shadow: 0 4px 16px rgba(15, 23, 42, 0.07); border: 1px solid rgba(212, 175, 55, 0.3); }
.filter-toggle { display: none; width: 100%; align-items: center; gap: 10px; background: none; border: none; font-family: inherit; font-size: 1rem; font-weight: 700; color: var(--primary-color); cursor: pointer; padding: 4px 0; }
.filter-toggle > span { flex: 1; text-align: right; }
.filter-count, .filter-badge { background: var(--primary-color); color: var(--gold-solid); border-radius: 12px; padding: 0 9px; font-size: 0.8rem; }
.filter-arrow { font-style: normal; transition: transform 0.3s; }
.filter-toggle[aria-expanded="true"] .filter-arrow { transform: rotate(180deg); }

.filter-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px 16px; }
.f-field label { display: block; margin-bottom: 6px; font-size: 0.85rem; font-weight: 700; color: var(--primary-color); }
.f-wide { grid-column: 1 / -1; }
.f-field[hidden] { display: none; }
.f-field select, .f-field input[type="text"] { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-family: inherit; font-size: 0.95rem; background: #F8FAFC; outline: none; }
.f-field select:focus, .f-field input[type="text"]:focus { border-color: var(--gold-solid); box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2); }
.f-field .input-box input { padding-left: 62px; direction: ltr; text-align: right; }
.f-field .input-box .unit { font-size: 0.78rem; }
.f-check { display: flex; align-items: flex-end; }
.check-label { display: flex !important; align-items: center; gap: 8px; cursor: pointer; margin: 0 !important; font-weight: 600 !important; padding: 10px 0; }
.f-field .chip span { padding: 6px 14px; font-size: 0.85rem; }

.filter-actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.filter-actions .btn-primary { padding: 10px 36px; }

.active-filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--border); }
.filter-chip { text-decoration: none; background: rgba(212, 175, 55, 0.16); color: var(--primary-color); border: 1px solid rgba(212, 175, 55, 0.5); border-radius: 20px; padding: 3px 12px; font-size: 0.82rem; font-weight: 600; }
.filter-chip:hover { background: #FEE2E2; border-color: #DC2626; }

@media (max-width: 900px) { .filter-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
    .hero-compact { padding: 20px 0 10px; }
    .hero-compact h1 { font-size: 1.35rem; }
    .hero-compact p { font-size: 0.85rem; }
    .filter-card { padding: 12px 14px; }
    /* موبایل: پنل جمع‌شونده با انیمیشن */
    .filter-toggle { display: flex; }
    .filter-form { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
    .filter-form.open { max-height: 1600px; margin-top: 12px; }
}

/* ====== نوار جستجو + پنل فیلتر (دسکتاپ) ======
   پیش‌فرض: نوار کوچک. با کلیک روی آن، فیلترها باز می‌شود.
   بعد از اسکرول، اگر فیلتری فعال باشد، دکمه‌ی «فیلترها» سمت راست صفحه می‌آید و همان فرم به‌صورت پنل کشویی باز می‌شود. */
.filter-bar { margin-bottom: 14px; }
.filter-bar .f-field label { display: block; }
.drawer-head, .filter-more, .filter-go, .filter-handle, .filter-backdrop { display: none; }
.filter-collapse-inner { min-width: 0; }
.filter-handle[hidden], .filter-backdrop[hidden] { display: none !important; }

@media (min-width: 769px) {
    .filter-card { max-width: 760px; margin-inline: auto; transition: max-width 0.35s ease, box-shadow 0.3s; padding: 10px 14px; }
    .filter-card.is-expanded { max-width: 100%; padding: 14px 18px; }

    .filter-bar { display: flex; align-items: center; gap: 10px; margin-bottom: 0; }
    .filter-bar .f-search { flex: 1; min-width: 0; }
    .filter-bar .f-search label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
    .filter-bar .f-search input { padding: 11px 16px; border-radius: 24px; cursor: pointer; }
    .filter-card.is-expanded .filter-bar .f-search input { cursor: text; }
    .filter-more { display: inline-flex; align-items: center; gap: 6px; background: #F8FAFC; border: 1px solid var(--border); border-radius: 24px; padding: 9px 16px; font-family: inherit; font-size: 0.92rem; font-weight: 700; color: var(--primary-color); cursor: pointer; white-space: nowrap; }
    .filter-more:hover { border-color: var(--gold-solid); }
    .filter-more[aria-expanded="true"] .filter-arrow { transform: rotate(180deg); }
    .filter-go { display: inline-block; border-radius: 24px; padding: 9px 26px; white-space: nowrap; }

    /* بدنه‌ی فیلترها: جمع‌شدن نرم با grid-rows */
    .filter-collapse { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.35s ease; }
    .filter-collapse-inner { overflow: hidden; }
    .filter-card.is-expanded .filter-collapse { grid-template-rows: 1fr; }
    .filter-card.is-expanded .filter-collapse-inner { padding-top: 16px; }
    .filter-card:not(.is-expanded) .filter-collapse-inner { visibility: hidden; }

    .active-filters { margin-top: 10px; padding-top: 10px; }

    /* ---- دستگیره‌ی سمت راست ---- */
    .filter-handle {
        position: fixed; top: 38%; right: 0; z-index: 140; align-items: center; gap: 8px;
        background: var(--primary-color); color: var(--gold-solid); border: none; border-radius: 12px 0 0 12px;
        padding: 12px 14px 12px 12px; font-family: inherit; font-size: 0.9rem; font-weight: 700; cursor: pointer;
        box-shadow: -4px 4px 16px rgba(15, 23, 42, 0.25); writing-mode: horizontal-tb;
        transform: translateX(110%); transition: transform 0.3s ease;
    }
    .filter-handle:not([hidden]) { display: flex; }
    .filter-handle.show { transform: none; }
    .filter-handle:hover { padding-right: 18px; }
    .filter-handle .filter-badge { background: var(--gold-solid); color: var(--primary-color); }

    .filter-backdrop { position: fixed; inset: 0; z-index: 145; background: rgba(15, 23, 42, 0.45); animation: fadeIn 0.25s ease; }
    .filter-backdrop:not([hidden]) { display: block; }

    /* ---- پنل کشویی: همان فرم، ثابت سمت راست ---- */
    .filter-card.drawer-open .filter-form {
        position: fixed; top: 0; right: 0; bottom: 0; z-index: 150; width: min(420px, 92vw); background: var(--card-bg);
        padding: 0 18px 18px; overflow-y: auto; overscroll-behavior: contain;
        box-shadow: -10px 0 40px rgba(15, 23, 42, 0.3); border-radius: 18px 0 0 18px; animation: drawerIn 0.3s ease;
    }
    .filter-card.drawer-closing .filter-form { animation: drawerOut 0.22s ease forwards; }
    .filter-card.drawer-open .drawer-head {
        display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 2;
        background: var(--card-bg); padding: 16px 0 12px; margin-bottom: 8px; border-bottom: 1px solid var(--border); color: var(--primary-color);
    }
    .drawer-close { background: #F1F5F9; border: none; border-radius: 50%; width: 34px; height: 34px; font-size: 1rem; cursor: pointer; color: var(--primary-color); }
    .drawer-close:hover { background: #FEE2E2; }
    .filter-card.drawer-open .filter-bar { flex-wrap: wrap; margin-bottom: 4px; }
    .filter-card.drawer-open .filter-more { display: none; }
    .filter-card.drawer-open .filter-go { display: none; }
    .filter-card.drawer-open .filter-bar .f-search label { position: static; width: auto; height: auto; clip: auto; margin-bottom: 6px; }
    .filter-card.drawer-open .filter-bar .f-search input { border-radius: 8px; cursor: text; }
    .filter-card.drawer-open .filter-collapse { grid-template-rows: 1fr; }
    .filter-card.drawer-open .filter-collapse-inner { visibility: visible; padding-top: 12px; overflow: visible; }
    .filter-card.drawer-open .filter-grid { grid-template-columns: 1fr 1fr; }
    .filter-card.drawer-open .filter-actions { position: sticky; bottom: -18px; background: var(--card-bg); padding: 12px 0 14px; margin-top: 16px; border-top: 1px solid var(--border); }
    .filter-card.drawer-open .filter-actions .btn-primary { flex: 1; padding: 10px 14px; }
}
@keyframes drawerIn { from { transform: translateX(100%); } to { transform: none; } }
@keyframes drawerOut { from { transform: none; } to { transform: translateX(100%); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
    .filter-card, .filter-collapse, .filter-handle { transition: none !important; }
    .filter-card.drawer-open .filter-form, .filter-backdrop { animation: none !important; }
}