/**
 * SiloKala Theme - Header Styles (Multi-Device Responsive)
 * 3-row Amazon-style desktop header + Digikala-style mobile header + In-page category drawer.
 * Aligned with silokala-homepage.html specification.
 *
 * @package SiloKala_Theme
 */

    .site-header {
      position: sticky; top: 0; width: 100%;
      flex-shrink: 0;
      z-index: var(--silo-z-header, 1000);
      transition: box-shadow 0.25s ease;
      will-change: box-shadow;
    }
    .site-header.is-scrolled {
      box-shadow: 0 8px 24px rgba(13, 32, 61, 0.25);
    }
    /* WordPress Admin Bar Compatibility */
    body.admin-bar .site-header {
      top: 32px;
    }
    @media (max-width: 782px) {
      body.admin-bar .site-header {
        top: 46px;
      }
    }
    /* Topbar removed on desktop */
    .silo-topbar {
      display: none !important;
    }
    .silo-topbar-inner {
      display: flex; align-items: center; justify-content: space-between;
      min-height: 32px; direction: rtl; font-size: 12px; color: rgba(255,255,255,0.7);
    }
    .silo-topbar-right,
    .silo-topbar-left { display: flex; align-items: center; gap: 16px; }
    .silo-topbar-link {
      color: rgba(255,255,255,0.7); text-decoration: none; font-size: 12px; font-weight: 400;
      transition: color var(--silo-transition-fast);
    }
    .silo-topbar-link:hover { color: var(--silo-orange-400); }
    .silo-topbar-sep { color: rgba(255,255,255,0.18); font-size: 10px; user-select: none; }
    .silo-topbar-phone {
      display: inline-flex; align-items: center; gap: 6px; color: rgba(255,255,255,0.85);
      font-weight: 600; font-size: 12px; direction: ltr;
    }
    .silo-topbar-phone svg { width: 13px; height: 13px; color: var(--silo-orange-400); }

    /* Row 2: Main Header — Logo + Search + Actions */
    .silo-header-main {
      width: 100%; background-color: var(--silo-blue-900);
      padding: 0;
    }
    .silo-header-row {
      display: flex; align-items: center; justify-content: space-between;
      min-height: 64px; gap: 20px; direction: rtl;
    }
    .silo-header-logo { flex-shrink: 0; display: flex; align-items: center; }
    .silo-brand-logo-link { display: flex; align-items: center; outline: none; }
    .silo-brand-logo-img { max-width: 120px; height: auto; object-fit: contain; display: block; }

    /* Header Search Bar — Search Input Only (Category dropdown removed) */
    .silo-header-search {
      flex: 1 1 auto; max-width: 680px; display: flex; align-items: center;
      height: 44px; border-radius: var(--silo-radius-md);
      position: relative; background: var(--silo-white);
      border: 2px solid var(--silo-orange-500);
      transition: border-color var(--silo-transition-fast), box-shadow var(--silo-transition-fast);
      overflow: visible;
    }
    .silo-header-search:focus-within {
      border-color: var(--silo-orange-500);
      box-shadow: 0 0 0 3px rgba(239, 133, 46, 0.18);
    }
    .silo-search-input-field {
      flex: 1; height: 100%; border: none; outline: none; background: transparent;
      padding: 0 18px; font-family: inherit; font-size: 14px; font-weight: 500;
      color: var(--silo-gray-800); direction: rtl; text-align: right; min-width: 0;
    }
    .silo-search-input-field::placeholder { color: var(--silo-gray-400); font-weight: 400; }
    .silo-search-submit-btn {
      height: 100%; width: 52px; flex-shrink: 0; border: none;
      background: var(--silo-orange-500); color: var(--silo-white);
      display: flex; align-items: center; justify-content: center; cursor: pointer;
      transition: background var(--silo-transition-fast);
    }
    .silo-search-submit-btn:hover { background: var(--silo-orange-600); }
    .silo-search-submit-btn:focus-visible { outline: 2px solid var(--silo-white); outline-offset: -2px; }
    .silo-search-submit-btn svg { width: 20px; height: 20px; }


    /* Live Search Dropdown Styles (International Standard) */
    .silo-search-dropdown {
      position: absolute; top: calc(100% + 6px); right: 0; left: 0;
      background: #ffffff; border: 1px solid var(--silo-gray-200);
      border-radius: var(--silo-radius-lg);
      box-shadow: 0 16px 40px rgba(13, 32, 61, 0.16), 0 2px 8px rgba(0, 0, 0, 0.05);
      z-index: 1060; max-height: 520px; overflow-y: auto; direction: rtl; text-align: right;
      animation: siloSearchFadeIn 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    }
    @keyframes siloSearchFadeIn {
      from { opacity: 0; transform: translateY(-4px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .silo-search-results-inner { padding: 12px 14px 6px; }
    .silo-search-group { margin-bottom: 14px; }
    .silo-search-group:last-child { margin-bottom: 0; }
    .silo-search-group-title {
      font-size: 11.5px; font-weight: 700; color: var(--silo-gray-500);
      margin-bottom: 8px; padding-bottom: 4px; border-bottom: 1px solid var(--silo-gray-150);
      text-transform: uppercase; letter-spacing: 0.3px;
    }
    .silo-search-chips-row { display: flex; flex-wrap: wrap; gap: 6px; }
    .silo-search-chip {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 5px 12px; background: var(--silo-blue-50);
      border: 1px solid var(--silo-blue-200); border-radius: var(--silo-radius-full);
      font-size: 12px; font-weight: 600; color: var(--silo-blue-800);
      text-decoration: none; transition: all 0.15s ease;
    }
    .silo-search-chip:hover,
    .silo-search-chip.is-selected {
      background: var(--silo-orange-500); border-color: var(--silo-orange-500);
      color: #ffffff;
    }
    .silo-search-chip-arrow { font-size: 13px; line-height: 1; }

    /* Product search items */
    .silo-search-products-list { display: flex; flex-direction: column; gap: 4px; }
    .silo-search-item {
      display: flex; align-items: center; gap: 12px; padding: 8px 10px;
      border-radius: var(--silo-radius-md); text-decoration: none;
      transition: background 0.15s ease;
    }
    .silo-search-item:hover,
    .silo-search-item.is-selected {
      background: var(--silo-gray-100);
    }
    .silo-search-item-media {
      width: 44px; height: 44px; border-radius: var(--silo-radius-sm);
      overflow: hidden; flex-shrink: 0; background: var(--silo-gray-50);
      border: 1px solid var(--silo-gray-200);
    }
    .silo-search-item-media img { width: 100%; height: 100%; object-fit: cover; }
    .silo-search-item-info { flex: 1; min-width: 0; }
    .silo-search-item-title {
      font-size: 13px; font-weight: 600; color: var(--silo-gray-900);
      white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    }
    .silo-search-item-meta { display: flex; align-items: center; gap: 6px; margin-top: 3px; }
    .silo-search-item-cat {
      font-size: 11px; color: var(--silo-gray-500); background: var(--silo-gray-150);
      padding: 1px 6px; border-radius: var(--silo-radius-xs);
    }
    .silo-search-item-price {
      font-size: 13px; font-weight: 700; color: var(--silo-orange-600);
      white-space: nowrap; flex-shrink: 0;
    }
    .silo-search-highlight {
      background: rgba(239, 133, 46, 0.22); color: inherit; padding: 0 2px;
      border-radius: 2px; font-weight: 700;
    }

    /* Exchange items */
    .silo-search-exchange-list { display: flex; flex-direction: column; gap: 4px; }
    .silo-search-exchange-item {
      display: flex; align-items: center; gap: 10px; padding: 8px 10px;
      border-radius: var(--silo-radius-md); text-decoration: none;
      transition: background 0.15s ease;
    }
    .silo-search-exchange-item:hover,
    .silo-search-exchange-item.is-selected {
      background: var(--silo-gray-100);
    }
    .silo-search-badge {
      font-size: 10.5px; font-weight: 700; padding: 2px 7px;
      border-radius: var(--silo-radius-xs); flex-shrink: 0;
    }
    .silo-search-badge.is-sale { background: #fee2e2; color: #b91c1c; }
    .silo-search-badge.is-rfq { background: #e0e7ff; color: #3730a3; }
    .silo-search-ex-title {
      font-size: 12.5px; font-weight: 600; color: var(--silo-gray-800);
      flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    }
    .silo-search-ex-price { font-size: 12px; font-weight: 700; color: var(--silo-gray-700); }

    /* Footer View All CTA */
    .silo-search-footer {
      border-top: 1px solid var(--silo-gray-200); background: var(--silo-gray-50);
      border-radius: 0 0 var(--silo-radius-lg) var(--silo-radius-lg);
    }
    .silo-search-view-all {
      display: flex; align-items: center; justify-content: space-between;
      padding: 12px 16px; font-size: 13.5px; font-weight: 700;
      color: var(--silo-blue-900); text-decoration: none;
      transition: background 0.15s ease, color 0.15s ease;
    }
    .silo-search-view-all:hover,
    .silo-search-view-all.is-selected {
      background: var(--silo-orange-500); color: #ffffff;
    }
    .silo-search-view-all-count { font-size: 12px; opacity: 0.85; margin-inline-start: 6px; }
    .silo-search-arrow { font-size: 15px; transition: transform 0.15s ease; }
    .silo-search-view-all:hover .silo-search-arrow { transform: translateX(-4px); }

    /* Loading & Empty states */
    .silo-search-loading {
      display: flex; align-items: center; justify-content: center; gap: 10px;
      padding: 24px 16px; font-size: 13px; color: var(--silo-gray-500);
    }
    .silo-search-spinner {
      width: 18px; height: 18px; border: 2px solid var(--silo-gray-300);
      border-top-color: var(--silo-orange-500); border-radius: 50%;
      animation: siloSpin 0.7s linear infinite;
    }
    @keyframes siloSpin { to { transform: rotate(360deg); } }
    .silo-search-empty {
      padding: 28px 16px; text-align: center; color: var(--silo-gray-400);
    }
    .silo-search-empty svg { margin-bottom: 8px; opacity: 0.6; }
    .silo-search-empty-title { font-size: 13.5px; font-weight: 700; color: var(--silo-gray-700); margin-bottom: 4px; }
    .silo-search-empty-sub { font-size: 12px; color: var(--silo-gray-500); }

    /* Mobile search dropdown positioning */
    .silo-mh-search { position: relative; }
    .silo-mh-search .silo-search-dropdown {
      top: calc(100% + 4px); max-height: calc(80vh - 120px);
    }
    /* Header Action Icons */
    /* Header Action Icons & Button Modules */
    .silo-header-actions {
      flex-shrink: 0; display: flex; align-items: center; gap: 8px; direction: rtl;
    }
    .silo-action-btn {
      height: 42px; display: inline-flex; align-items: center; justify-content: center;
      gap: 7px; padding: 0 14px; border-radius: var(--silo-radius-sm, 8px);
      color: #ffffff; font-size: 13px; font-weight: 600; text-decoration: none;
      border: 1px solid rgba(255,255,255,0.20); cursor: pointer; white-space: nowrap;
      background: rgba(255,255,255,0.08);
      transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
      box-sizing: border-box;
      user-select: none;
      -webkit-tap-highlight-color: transparent;
    }
    .silo-action-btn:hover {
      border-color: rgba(255,255,255,0.40);
      background: rgba(255,255,255,0.16);
      color: #ffffff;
      transform: translateY(-1px);
    }
    .silo-action-btn:focus-visible {
      outline: 2px solid var(--silo-orange-500, #ef852e); outline-offset: 2px;
    }
    .silo-action-btn-icon { width: 19px; height: 19px; color: #ffffff; flex-shrink: 0; }
    .silo-icon-accent { width: 18px; height: 18px; color: var(--silo-orange-400, #f5a623); flex-shrink: 0; }
    .silo-action-btn-label { display: flex; flex-direction: column; text-align: right; line-height: 1.2; }
    .silo-action-btn-label strong { font-size: 13px; font-weight: 700; color: #ffffff; }

    /* Specialized Header Buttons (Matching Image 1) */
    .silo-btn-vendor {
      background: rgba(18, 38, 70, 0.85) !important;
      border: 1px solid rgba(255, 255, 255, 0.22) !important;
      color: #ffffff !important;
      padding: 0 16px !important;
    }
    .silo-btn-vendor:hover {
      background: rgba(25, 52, 95, 0.95) !important;
      border-color: rgba(255, 255, 255, 0.35) !important;
      transform: translateY(-2px);
    }

    .silo-btn-glass {
      background: #14438b !important;
      border: 1px solid rgba(255, 255, 255, 0.28) !important;
      color: #ffffff !important;
    }
    .silo-btn-glass:hover {
      background: #1852aa !important;
      border-color: rgba(255, 255, 255, 0.45) !important;
      transform: translateY(-2px);
    }

    .silo-messages-btn {
      position: relative !important;
      padding: 0 15px !important;
      text-decoration: none !important;
    }
    .silo-messages-badge {
      position: absolute !important;
      top: -5px !important;
      left: -5px !important;
      background-color: var(--silo-orange-500, #ef852e) !important;
      color: #ffffff !important;
      font-size: 10px !important;
      font-weight: 800 !important;
      min-width: 17px !important;
      height: 17px !important;
      border-radius: 999px !important;
      display: flex !important;
      align-items: center !important;
      justify-content: center !important;
      padding: 0 4px !important;
      line-height: 1 !important;
      border: 2px solid var(--silo-blue-900, #0d203d) !important;
      z-index: 10 !important;
    }
    .silo-messages-badge[hidden] { display: none !important; }

    .silo-account-wrap {
      position: relative !important;
      display: inline-flex !important;
      align-items: center !important;
    }
    .silo-account-btn {
      padding: 0 16px !important;
    }
    .silo-account-btn .silo-chevron {
      width: 14px !important;
      height: 14px !important;
      color: rgba(255, 255, 255, 0.7) !important;
      margin-right: 3px !important;
      transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1) !important;
    }
    .silo-account-btn[aria-expanded="true"] .silo-chevron {
      transform: rotate(180deg) !important;
      color: var(--silo-orange-400, #f5a623) !important;
    }

    /* Downward Account Dropdown (Exact Match Image 1) */
    .silo-account-dropdown {
      position: absolute !important;
      top: calc(100% + 8px) !important;
      left: 0 !important;
      min-width: 255px !important;
      background: #172b49 !important;
      border: 1px solid rgba(255, 255, 255, 0.16) !important;
      border-radius: 14px !important;
      box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45), 0 2px 10px rgba(0, 0, 0, 0.2) !important;
      z-index: 999999 !important;
      overflow: hidden !important;
      direction: rtl !important;
      text-align: right !important;
      opacity: 0;
      visibility: hidden;
      transform: translateY(8px) scale(0.97);
      transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.2s ease;
      pointer-events: none;
    }
    .silo-account-dropdown.is-active,
    .silo-account-dropdown:not([hidden]).is-active {
      opacity: 1 !important;
      visibility: visible !important;
      transform: translateY(0) scale(1) !important;
      pointer-events: auto !important;
      display: block !important;
    }
    .silo-account-header {
      display: flex !important;
      align-items: center !important;
      gap: 14px !important;
      padding: 18px 20px 14px !important;
    }
    .silo-avatar-circle {
      width: 44px !important;
      height: 44px !important;
      border-radius: 50% !important;
      border: 2.5px solid var(--silo-orange-400, #f5a623) !important;
      display: flex !important;
      align-items: center !important;
      justify-content: center !important;
      color: var(--silo-orange-400, #f5a623) !important;
      flex-shrink: 0 !important;
      background: rgba(245, 166, 35, 0.08) !important;
    }
    .silo-header-avatar {
      width: 24px !important;
      height: 24px !important;
      color: var(--silo-orange-400, #f5a623) !important;
    }
    .silo-user-info {
      display: flex !important;
      flex-direction: column !important;
      gap: 3px !important;
    }
    .silo-username {
      font-size: 15px !important;
      font-weight: 700 !important;
      color: #ffffff !important;
      line-height: 1.3 !important;
    }
    .silo-userrole {
      font-size: 12px !important;
      font-weight: 600 !important;
      color: var(--silo-orange-400, #f5a623) !important;
    }
    .silo-divider {
      height: 1px !important;
      background: rgba(255, 255, 255, 0.1) !important;
      margin: 6px 0 !important;
    }
    .silo-menu-item {
      display: flex !important;
      align-items: center !important;
      padding: 12px 20px !important;
      color: rgba(255, 255, 255, 0.88) !important;
      text-decoration: none !important;
      font-size: 13.5px !important;
      font-weight: 500 !important;
      transition: background 0.15s ease, color 0.15s ease, padding-right 0.15s ease !important;
      box-sizing: border-box !important;
    }
    .silo-menu-item:hover {
      background: rgba(255, 255, 255, 0.08) !important;
      color: #ffffff !important;
      padding-right: 24px !important;
    }
    .silo-menu-item.silo-menu-wallet {
      justify-content: space-between !important;
      padding-left: 14px !important;
    }
    .silo-wallet-balance-badge {
      font-size: 11.5px !important;
      font-weight: 700 !important;
      color: var(--silo-orange-400, #f5a623) !important;
      background: rgba(245, 166, 35, 0.12) !important;
      border: 1px solid rgba(245, 166, 35, 0.28) !important;
      padding: 2px 8px !important;
      border-radius: 6px !important;
      line-height: 1.4 !important;
      letter-spacing: -0.01em !important;
      flex-shrink: 0 !important;
    }

    .silo-menu-item.silo-logout {
      color: #f87171 !important;
      font-weight: 600 !important;
    }
    .silo-menu-item.silo-logout:hover {
      background: rgba(239, 68, 68, 0.14) !important;
      color: #ef4444 !important;
    }

    /* Cart Button & Badge — High Concurrency & Scalable Visibility */
    .silo-cart-btn {
      width: 44px !important;
      min-width: 44px !important;
      height: 42px !important;
      padding: 0 !important;
      display: inline-flex !important;
      align-items: center !important;
      justify-content: center !important;
      position: relative !important;
      box-sizing: border-box !important;
      text-decoration: none !important;
    }
    .silo-cart-icon-wrap {
      position: relative !important;
      width: 24px !important;
      height: 24px !important;
      display: inline-flex !important;
      align-items: center !important;
      justify-content: center !important;
    }
    .silo-cart-btn svg,
    .silo-cart-icon-wrap svg,
    .silo-cart-svg-icon {
      width: 22px !important;
      min-width: 22px !important;
      height: 22px !important;
      min-height: 22px !important;
      color: #ffffff !important;
      stroke: #ffffff !important;
      fill: none !important;
      stroke-width: 1.8 !important;
      stroke-linecap: round !important;
      stroke-linejoin: round !important;
      display: block !important;
      flex-shrink: 0 !important;
    }
    .silo-cart-badge,
    .silo-cart-badge-fragment {
      position: absolute !important;
      top: -8px !important;
      left: -9px !important;
      min-width: 18px !important;
      height: 18px !important;
      padding: 0 4px !important;
      background-color: var(--silo-orange-500, #ef852e) !important;
      color: #ffffff !important;
      border-radius: var(--silo-radius-full, 999px) !important;
      font-size: 11px !important;
      font-weight: 800 !important;
      display: inline-flex !important;
      align-items: center !important;
      justify-content: center !important;
      line-height: 1 !important;
      border: 2px solid var(--silo-blue-900, #0d203d) !important;
      box-shadow: 0 1px 3px rgba(0,0,0,0.25) !important;
      box-sizing: border-box !important;
      z-index: 10 !important;
      pointer-events: none !important;
    }
    .silo-header-action-divider {
      width: 1px; height: 22px; background: rgba(255,255,255,0.18); margin: 0 2px;
    }
    /* Row 3: Navigation Bar with Categories Mega Menu */
    .silo-navbar {
      width: 100%; background-color: var(--silo-blue-800);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .silo-navbar-inner {
      display: flex; align-items: center; gap: 0; min-height: 42px; direction: rtl;
    }

    /* Categories Mega Menu Trigger */
    .silo-cat-trigger-wrap { position: relative; flex-shrink: 0; }
    .silo-cat-trigger {
      display: flex; align-items: center; gap: 8px;
      height: 42px; padding: 0 18px;
      background: var(--silo-orange-500); color: var(--silo-white);
      border: none; cursor: pointer; font-family: inherit;
      font-size: 14px; font-weight: 700; white-space: nowrap;
      transition: background var(--silo-transition-fast);
    }
    .silo-cat-trigger:hover { background: var(--silo-orange-600); }
    .silo-cat-trigger:focus-visible { outline: 2px solid var(--silo-white); outline-offset: -2px; }
    .silo-cat-trigger svg { width: 18px; height: 18px; }
    .silo-cat-trigger .caret {
      width: 10px; height: 10px; transition: transform 0.25s ease;
    }

    /* Mega Menu Panel — Fully visible, zero scrollbars */
    .silo-mega-menu {
      position: absolute; top: 100%; right: 0;
      width: 890px; min-height: 350px;
      background: var(--silo-white); border: 1px solid var(--silo-gray-200);
      border-radius: 0 0 var(--silo-radius-lg) var(--silo-radius-lg);
      box-shadow: 0 16px 48px rgba(13,32,61,0.16), 0 2px 8px rgba(0,0,0,0.06);
      z-index: var(--silo-z-dropdown);
      display: flex; direction: rtl; overflow: visible;
      opacity: 0; visibility: hidden; transform: translateY(-4px);
      transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
      pointer-events: none;
    }
    .silo-cat-trigger-wrap:hover .silo-mega-menu,
    .silo-cat-trigger-wrap:focus-within .silo-mega-menu {
      opacity: 1; visibility: visible; transform: translateY(0);
      pointer-events: auto;
    }
    .silo-cat-trigger-wrap:hover .silo-cat-trigger .caret { transform: rotate(180deg); }

    /* Mega Menu: Right category list (8 items) */
    .silo-mega-cats {
      width: 220px; flex-shrink: 0; background: var(--silo-gray-50);
      border-inline-start: 1px solid var(--silo-gray-200);
      padding: 6px 0; display: flex; flex-direction: column; overflow: visible;
    }
    .silo-mega-cat-item {
      display: flex; align-items: center; gap: 10px;
      padding: 10px 16px; font-size: 13px; font-weight: 500;
      color: var(--silo-gray-700); text-decoration: none; cursor: pointer;
      border-inline-end: 3px solid transparent;
      transition: all 0.15s ease;
    }
    .silo-mega-cat-item:hover,
    .silo-mega-cat-item.active {
      background: var(--silo-white); color: var(--silo-blue-900);
      font-weight: 700; border-inline-end-color: var(--silo-orange-500);
    }
    .silo-mega-cat-item svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--silo-gray-400); transition: color 0.15s ease; }
    .silo-mega-cat-item:hover svg,
    .silo-mega-cat-item.active svg { color: var(--silo-orange-500); }

    /* Mega Menu: Left sub-category container (Zero scroll, instant hover tabs) */
    .silo-mega-sub-container {
      flex: 1; position: relative; background: var(--silo-white); min-height: 350px;
    }
    .silo-mega-sub-panel {
      display: none; padding: 18px 22px;
      grid-template-columns: repeat(3, 1fr); gap: 14px 18px; align-content: start;
      animation: siloCatFade 0.18s ease;
    }
    .silo-mega-sub-panel.active { display: grid; }
    @keyframes siloCatFade {
      from { opacity: 0; transform: translateY(-2px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .silo-mega-sub-title {
      font-size: 13px; font-weight: 700; color: var(--silo-blue-900);
      margin-bottom: 8px; padding-bottom: 5px;
      border-bottom: 1px solid var(--silo-gray-200);
    }
    .silo-mega-sub-title a { color: inherit; text-decoration: none; }
    .silo-mega-sub-title a:hover { color: var(--silo-orange-500); }
    .silo-mega-sub-list { list-style: none; margin: 0; padding: 0; }
    .silo-mega-sub-list li { margin-bottom: 3px; }
    .silo-mega-sub-list li a {
      font-size: 12px; font-weight: 400; color: var(--silo-gray-600);
      text-decoration: none; padding: 2px 0; display: inline-block;
      transition: color 0.15s ease, transform 0.15s ease;
    }
    .silo-mega-sub-list li a:hover { color: var(--silo-orange-500); transform: translateX(-2px); }

    /* Navbar navigation links */
    .silo-nav-links {
      display: flex; align-items: center; gap: 2px; margin: 0; padding: 0;
      list-style: none; flex: 1;
    }
    .silo-nav-links > li { display: inline-flex; align-items: center; }
    .silo-nav-links > li > a {
      display: inline-flex; align-items: center; gap: 4px;
      color: rgba(255,255,255,0.85); font-size: 13.5px; font-weight: 500;
      padding: 10px 14px; text-decoration: none; white-space: nowrap;
      border-radius: var(--silo-radius-xs);
      transition: color 0.18s ease, background 0.18s ease;
    }
    .silo-nav-links > li > a:hover {
      color: #ffffff; background: rgba(255,255,255,0.08);
    }
    .silo-nav-links > li > a .nav-badge {
      font-size: 10px; font-weight: 700; padding: 1px 6px;
      background: var(--silo-danger); color: #ffffff;
      border-radius: var(--silo-radius-full); margin-inline-start: 4px;
    }
    .silo-navbar-promo {
      margin-inline-start: auto; display: flex; align-items: center; gap: 6px;
      font-size: 12.5px; font-weight: 600; color: var(--silo-orange-400);
      white-space: nowrap;
    }
    .silo-navbar-promo svg { width: 14px; height: 14px; }

    /* ═══════════════════════════════════════════════════════════════
       MOBILE HEADER — Digikala-style (search + address)
       Hidden on desktop, shown on mobile (≤767px)
    ═══════════════════════════════════════════════════════════════ */
    .silo-mobile-header {
      display: none; /* shown via media query */
      position: sticky; top: 0; width: 100%;
      flex-shrink: 0;
      z-index: var(--silo-z-header, 1000);
      background: var(--silo-blue-900);
      box-shadow: 0 2px 8px rgba(0,0,0,0.15);
      transition: box-shadow 0.25s ease;
      will-change: box-shadow;
    }
    .silo-mobile-header.is-scrolled {
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.28);
    }
    /* WordPress Admin Bar Compatibility for Mobile Header */
    body.admin-bar .silo-mobile-header {
      top: 32px;
    }
    @media (max-width: 782px) {
      body.admin-bar .silo-mobile-header {
        top: 46px;
      }
    }
    .silo-mobile-header-inner {
      padding: 10px 16px 8px;
      display: flex; flex-direction: column; gap: 8px;
    }

    /* Mobile header: top row — logo + icons */
    .silo-mh-top-row {
      display: flex; align-items: center; justify-content: space-between; gap: 10px;
    }
    .silo-mh-logo {
      flex-shrink: 0; display: flex; align-items: center;
    }
    .silo-mh-logo img {
      height: 28px; width: auto; object-fit: contain;
      filter: brightness(0) invert(1);
    }
    .silo-mh-actions {
      display: flex; align-items: center; gap: 4px;
    }
    .silo-mh-action-btn {
      position: relative; display: flex; align-items: center; justify-content: center;
      width: 38px; height: 38px; border-radius: var(--silo-radius-full);
      color: rgba(255,255,255,0.85); background: transparent;
      border: none; cursor: pointer;
      transition: background var(--silo-transition-fast), color var(--silo-transition-fast);
      -webkit-tap-highlight-color: transparent;
    }
    .silo-mh-action-btn:hover { background: rgba(255,255,255,0.1); color: var(--silo-white); }
    .silo-mh-action-btn:active { background: rgba(255,255,255,0.15); }
    .silo-mh-action-btn svg { width: 22px; height: 22px; }
    .silo-mh-badge {
      position: absolute; top: 2px; right: 2px;
      min-width: 16px; height: 16px; padding: 0 4px;
      background: var(--silo-orange-500); color: var(--silo-white);
      border-radius: var(--silo-radius-full); font-size: 9px; font-weight: 800;
      display: inline-flex; align-items: center; justify-content: center; line-height: 1;
      border: 2px solid var(--silo-blue-900);
    }

    /* Mobile header: search bar */
    .silo-mh-search-row {
      display: flex; align-items: center; gap: 8px;
    }
    .silo-mh-search {
      flex: 1; display: flex; align-items: center; gap: 8px;
      height: 40px; padding: 0 12px;
      background: var(--silo-white); border: 1px solid rgba(255,255,255,0.35);
      border-radius: var(--silo-radius-md);
      transition: border-color var(--silo-transition-fast), background var(--silo-transition-fast), box-shadow var(--silo-transition-fast);
    }
    .silo-mh-search:focus-within {
      border-color: var(--silo-orange-400); background: var(--silo-white);
      box-shadow: 0 0 0 3px rgba(239, 133, 46,0.18);
    }
    .silo-mh-search svg { width: 18px; height: 18px; color: var(--silo-gray-500); flex-shrink: 0; pointer-events: none; }
    .silo-mh-search-input {
      flex: 1; border: none; outline: none; background: transparent;
      font-family: inherit; font-size: 13px; font-weight: 400;
      color: var(--silo-gray-800); direction: rtl; text-align: right;
      height: 100%;
    }
    .silo-mh-search-input::placeholder { color: var(--silo-gray-400); font-weight: 400; font-size: 12.5px; }

    /* Mobile header: address selector (single-line streamlined display) */
    .silo-mh-address-row {
      display: flex; align-items: center; gap: 6px;
      padding: 2px 2px 4px;
    }
    .silo-mh-address-btn {
      display: inline-flex; align-items: center; gap: 6px;
      background: none; border: none; cursor: pointer;
      padding: 3px 0; font-family: inherit;
      -webkit-tap-highlight-color: transparent;
      max-width: 100%;
    }
    .silo-mh-address-icon {
      width: 15px; height: 15px; color: var(--silo-orange-400); flex-shrink: 0;
    }
    .silo-mh-address-text {
      display: inline-flex; align-items: center;
    }
    .silo-mh-address-label {
      font-size: 12px; font-weight: 600; color: var(--silo-white); line-height: 1.3;
      white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 260px;
    }
    .silo-mh-address-detail {
      display: none !important;
    }
    .silo-mh-address-caret {
      width: 10px; height: 10px; color: rgba(255,255,255,0.65); flex-shrink: 0;
      transition: transform 0.2s ease; margin-inline-start: 2px;
    }
    /* ═══════════════════════════════════════════════════════════════
       MOBILE BOTTOM NAVIGATION BAR — Digikala-style
    ═══════════════════════════════════════════════════════════════ */
    .silo-mobile-bottom-nav {
      display: none !important;
      position: fixed; bottom: 0; left: 0; right: 0;
      background: var(--silo-blue-900);
      border-top: 1px solid rgba(255,255,255,0.08);
      box-shadow: 0 -2px 16px rgba(0,0,0,0.18);
      z-index: var(--silo-z-header);
      padding-bottom: env(safe-area-inset-bottom, 0);
    }
    body:not(.has-silo-mobile-nav) {
      padding-bottom: 0 !important;
    }
    .silo-mobile-nav-inner {
      display: flex; align-items: stretch; justify-content: space-around;
      min-height: 56px; direction: rtl;
    }
    .silo-mobile-nav-item {
      display: flex; flex-direction: column; align-items: center; justify-content: center;
      gap: 2px; flex: 1; padding: 6px 4px; text-decoration: none;
      color: rgba(255,255,255,0.55); font-size: 10px; font-weight: 500;
      transition: color 0.18s ease; position: relative;
      -webkit-tap-highlight-color: transparent;
    }
    .silo-mobile-nav-item.active {
      color: var(--silo-white);
    }
    .silo-mobile-nav-item.active::before {
      content: ''; position: absolute; top: 0; left: 20%; right: 20%;
      height: 3px; background: var(--silo-orange-500);
      border-radius: 0 0 var(--silo-radius-full) var(--silo-radius-full);
    }
    .silo-mobile-nav-item:active { color: rgba(255,255,255,0.8); }
    .silo-mobile-nav-item svg { width: 22px; height: 22px; }
    .silo-mobile-nav-item .mobile-nav-badge {
      position: absolute; top: 2px; right: calc(50% - 18px);
      min-width: 16px; height: 16px; padding: 0 4px;
      background: var(--silo-orange-500); color: var(--silo-white);
      border-radius: var(--silo-radius-full); font-size: 9px; font-weight: 800;
      display: inline-flex; align-items: center; justify-content: center; line-height: 1;
      border: 2px solid var(--silo-blue-900);
    }
    .silo-mobile-nav-label { font-size: 10px; font-weight: 600; letter-spacing: -0.01em; }
    @media (max-width: 1024px) {
      .site-header { display: none !important; }
      .silo-mobile-header { display: block !important; }
      .silo-mobile-bottom-nav { display: block !important; }
      body.has-silo-mobile-nav { padding-bottom: calc(56px + env(safe-area-inset-bottom, 0px)) !important; }

      /* Elevate sticky checkout / cart action bar and exchange inquiry bar above bottom nav */
      body.has-silo-mobile-nav .sk-mobile-bottom-bar,
      body.has-silo-mobile-nav .mobile-bottom-bar,
      body.has-silo-mobile-nav #mobileBottomBar {
        bottom: calc(56px + env(safe-area-inset-bottom, 0px)) !important;
        z-index: 1050 !important;
      }
      body.has-silo-mobile-nav:has(.sk-mobile-bottom-bar),
      body.has-silo-mobile-nav.woocommerce-cart,
      body.has-silo-mobile-nav.woocommerce-checkout,
      body.has-silo-mobile-nav.sk-exchange-browse,
      body.has-silo-mobile-nav:has(.mobile-bottom-bar) {
        padding-bottom: calc(56px + 90px + env(safe-area-inset-bottom, 0px)) !important;
      }

      /* Elevate sticky product page Add-to-Cart bar above bottom nav */
      body.has-silo-mobile-nav .smb-panel.is-fixed,
      body.has-silo-mobile-nav #silokala-mobile-buy-bar,
      body.has-silo-mobile-nav .buybar {
        bottom: calc(56px + env(safe-area-inset-bottom, 0px)) !important;
        z-index: 1050 !important;
      }
      body.has-silo-mobile-nav.single-product,
      body.has-silo-mobile-nav:has(.smb-wrap),
      body.has-silo-mobile-nav:has(#silokala-mobile-buy-bar),
      body.has-silo-mobile-nav:has(.buybar) {
        padding-bottom: calc(56px + 120px + env(safe-area-inset-bottom, 0px)) !important;
      }

      /* Suppress storefront mobile header, bottom nav, and padding on buyer profile SPA */
      body.is-profile-page .silo-mobile-header,
      body:has(.sk-buyer-profile-site-wrapper) .silo-mobile-header,
      body:has(.silokala-buyer-profile-root) .silo-mobile-header {
        display: none !important;
        visibility: hidden !important;
        height: 0 !important;
        min-height: 0 !important;
        padding: 0 !important;
        margin: 0 !important;
        pointer-events: none !important;
      }
      body.is-profile-page .silo-mobile-bottom-nav,
      body:has(.sk-buyer-profile-site-wrapper) .silo-mobile-bottom-nav,
      body:has(.silokala-buyer-profile-root) .silo-mobile-bottom-nav {
        display: none !important;
        visibility: hidden !important;
        height: 0 !important;
        min-height: 0 !important;
        padding: 0 !important;
        margin: 0 !important;
        pointer-events: none !important;
      }
      body.is-profile-page,
      body:has(.sk-buyer-profile-site-wrapper),
      body:has(.silokala-buyer-profile-root) {
        padding-bottom: 0 !important;
      }
      /* Automatically hide bottom nav when modals or bottom sheets are open */
      body.sk-sheet-open .silo-mobile-bottom-nav,
      body.modal-open .silo-mobile-bottom-nav,
      body.silo-addr-modal-open .silo-mobile-bottom-nav,
      body.silo-wallet-modal-open .silo-mobile-bottom-nav,
      body.silo-mcat-open .silo-mobile-bottom-nav,
      body:has(.sk-mobile-summary-sheet.open) .silo-mobile-bottom-nav,
      body:has(.sk-sheet-overlay.open) .silo-mobile-bottom-nav,
      body:has([role="dialog"][aria-modal="true"].is-open) .silo-mobile-bottom-nav,
      body:has(.modal-backdrop.is-open) .silo-mobile-bottom-nav {
        display: none !important;
        visibility: hidden !important;
        pointer-events: none !important;
      }
    }
    /* In-page Android category sheet — stays under the existing mobile header */
    .silo-mh-search-clear {
      width: 32px; height: 32px; border: 0; margin: 0; padding: 0;
      background: transparent; color: var(--silo-gray-700);
      border-radius: var(--silo-radius-full); cursor: pointer;
      font-family: inherit; font-size: 14px; line-height: 1;
      display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
    }
    .silo-mh-search-clear[hidden] { display: none !important; }
    .silo-mh-search-clear:hover,
    .silo-mh-search-clear:focus-visible {
      background: var(--silo-gray-100); color: var(--silo-gray-900);
    }
    .silo-mh-search-clear:focus-visible {
      outline: 2px solid var(--silo-orange-700); outline-offset: 2px;
    }
    button.silo-mobile-nav-item {
      background: none; border: 0; margin: 0; padding: 6px 4px;
      font-family: inherit; cursor: pointer; appearance: none; -webkit-appearance: none;
    }
    .silo-mobile-nav-item:focus-visible {
      outline: 2px solid var(--silo-white); outline-offset: -4px; color: var(--silo-white);
    }
    .silo-mcat-sheet { display: none; }
    body.silo-mcat-open { overflow: hidden; }
    body.silo-mcat-open .silo-mh-address-row { display: none; }
    @media (max-width: 1024px) {
      .silo-mcat-sheet.is-open {
        display: flex; flex-direction: column;
        position: fixed; left: 0; right: 0; z-index: 990;
        background: var(--silo-white); overflow: hidden;
      }
      .mcat-body {
        flex: 1; display: flex; min-height: 0; position: relative;
        background: var(--silo-white); overflow: hidden;
      }
      .mcat-rail {
        width: 88px; flex-shrink: 0; background: var(--silo-gray-50);
        border-left: 1px solid var(--silo-gray-200);
        overflow-y: auto; overflow-x: hidden; scrollbar-width: none;
        -ms-overflow-style: none; padding: 6px 0 16px;
        overscroll-behavior: contain;
      }
      .mcat-rail::-webkit-scrollbar { display: none; }
      .mcat-rail-item {
        display: flex; flex-direction: column; align-items: center; justify-content: center;
        gap: 6px; width: 100%; min-height: 72px; padding: 10px 8px;
        border: 0;
        background: transparent; color: var(--silo-gray-600);
        font-family: inherit; text-align: center; cursor: pointer; position: relative;
      }
      .mcat-rail-item:focus { outline: none; }
      .mcat-rail-item:focus-visible {
        outline: 2px solid var(--silo-orange-700); outline-offset: -2px;
      }
      .mcat-rail-item:active { background: var(--silo-gray-100); }
      .mcat-rail-icon {
        width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
        border-radius: var(--silo-radius-md); color: var(--silo-gray-600);
      }
      .mcat-rail-icon svg { width: 22px; height: 22px; stroke: currentColor; stroke-width: 1.8; fill: none; }
      .mcat-rail-title {
        font-size: 11px; font-weight: 500; line-height: 1.45; letter-spacing: 0;
        display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
        overflow: hidden; word-break: break-word;
      }
      .mcat-rail-item.active { background: var(--silo-white); color: var(--silo-orange-800); }
      .mcat-rail-item.active .mcat-rail-title { font-weight: 700; color: var(--silo-orange-800); }
      .mcat-rail-item.active .mcat-rail-icon { color: var(--silo-orange-800); background: var(--silo-orange-50); }
      .mcat-rail-item.active::before {
        content: ''; position: absolute; top: 0; bottom: 0; right: 0; width: 3.5px;
        background: var(--silo-orange-500); border-radius: 4px 0 0 4px;
      }
      .mcat-rail-item.active::after {
        content: ''; position: absolute; top: 0; bottom: 0; left: -1px; width: 2px;
        background: var(--silo-white);
      }
      .mcat-detail {
        flex: 1; min-width: 0; background: var(--silo-white);
        overflow-y: auto; overflow-x: hidden; padding: 16px 16px 32px;
        overscroll-behavior: contain; -webkit-overflow-scrolling: touch;
        scrollbar-width: thin; scrollbar-color: var(--silo-gray-300) transparent;
      }
      .mcat-all {
        display: flex; align-items: center; justify-content: space-between; gap: 8px;
        width: 100%; min-height: 44px; padding: 10px 12px; margin: 0 0 16px;
        background: var(--silo-white); border: 1px solid var(--silo-gray-200);
        border-radius: var(--silo-radius-md); color: var(--silo-gray-900);
        font-family: inherit; font-size: 13px; font-weight: 700; text-align: right; cursor: pointer;
      }
      .mcat-all:hover, .mcat-all:active { background: var(--silo-orange-50); border-color: var(--silo-orange-200); color: var(--silo-orange-800); }
      .mcat-all:focus { outline: none; }
      .mcat-all:focus-visible { outline: 2px solid var(--silo-orange-700); outline-offset: 2px; }
      .mcat-all-arrow { color: var(--silo-gray-500); font-size: 18px; font-weight: 500; line-height: 1; }
      .mcat-all:hover .mcat-all-arrow, .mcat-all:active .mcat-all-arrow { color: var(--silo-orange-700); }
      .mcat-row { border-bottom: 1px solid var(--silo-gray-200); }
      .mcat-row:last-child { border-bottom: 0; }
      .mcat-row-toggle, .mcat-row-direct {
        display: flex; align-items: center; justify-content: space-between; gap: 12px;
        width: 100%; min-height: 48px; padding: 14px 0; background: transparent; border: 0;
        font-family: inherit; font-size: 14px; font-weight: 500; color: var(--silo-gray-800);
        text-align: right; cursor: pointer;
      }
      .mcat-row-toggle:focus, .mcat-row-direct:focus, .mcat-child:focus { outline: none; }
      .mcat-row-toggle:focus-visible, .mcat-row-direct:focus-visible, .mcat-child:focus-visible {
        outline: 2px solid var(--silo-orange-700); outline-offset: 2px;
      }
      .mcat-row-toggle:active, .mcat-row-direct:active { color: var(--silo-orange-800); }
      .mcat-row.open .mcat-row-toggle { font-weight: 700; color: var(--silo-orange-800); }
      .mcat-chevron {
        width: 16px; height: 16px; color: var(--silo-gray-500); flex-shrink: 0;
        transition: transform 0.25s ease, color 0.2s ease;
      }
      .mcat-row.open .mcat-chevron { transform: rotate(180deg); color: var(--silo-orange-700); }
      .mcat-child-panel { max-height: 0; overflow: hidden; background: transparent; }
      .mcat-row.open .mcat-child-panel { max-height: 1400px; padding: 0 0 12px; }
      .mcat-child-grid { display: flex; flex-direction: column; gap: 0; }
      .mcat-child {
        display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 10px 12px;
        background: transparent; border: 0; border-radius: var(--silo-radius-md);
        color: var(--silo-gray-700);
        font-family: inherit; font-size: 13px; font-weight: 500; line-height: 1.5;
        text-align: right; cursor: pointer;
      }
      .mcat-child:hover, .mcat-child:active, .mcat-child.is-picked {
        background: var(--silo-orange-50); color: var(--silo-orange-800);
      }
      .mcat-child-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--silo-gray-400); flex-shrink: 0; }
      .mcat-child.is-picked .mcat-child-dot, .mcat-child:active .mcat-child-dot { background: var(--silo-orange-500); }
      .mcat-search {
        position: absolute; inset: 0; z-index: 2; display: none; flex-direction: column;
        overflow-y: auto; background: var(--silo-white); padding: 8px 16px 24px;
        overscroll-behavior: contain;
      }
      .mcat-search.is-open { display: flex; }
      .mcat-search-count { margin: 12px 0 4px; font-size: 12px; font-weight: 500; color: var(--silo-gray-600); }
      .mcat-search-item {
        display: flex; align-items: center; justify-content: space-between; gap: 10px;
        width: 100%; min-height: 48px; padding: 10px 4px; border: 0; border-bottom: 1px solid var(--silo-gray-100);
        background: transparent; color: var(--silo-gray-900); font-family: inherit; font-size: 13px;
        font-weight: 600; text-align: right; cursor: pointer;
      }
      .mcat-search-item:hover, .mcat-search-item:active { background: var(--silo-gray-50); color: var(--silo-orange-800); }
      .mcat-search-item:focus { outline: none; }
      .mcat-search-item:focus-visible { outline: 2px solid var(--silo-orange-700); outline-offset: -2px; }
      .mcat-search-crumb { display: block; margin-top: 2px; font-size: 11px; font-weight: 500; color: var(--silo-gray-600); }
      .mcat-search-arrow { color: var(--silo-gray-600); font-size: 16px; flex-shrink: 0; }
      .mcat-empty { text-align: center; padding: 40px 16px; color: var(--silo-gray-600); }
      .mcat-empty svg { margin-bottom: 8px; }
      .mcat-empty-title { font-size: 14px; font-weight: 700; color: var(--silo-gray-800); }
      .mcat-empty-sub { font-size: 12px; margin-top: 4px; color: var(--silo-gray-600); }
    }

    /* ===============================================================
       Quick Wallet Top-Up Modal & Header Wallet Button Styles
       =============================================================== */
    .silo-header-wallet-btn {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: var(--silo-radius-md);
      padding: 4px 10px;
      cursor: pointer;
      color: #ffffff;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all var(--silo-transition-fast);
    }
    .silo-header-wallet-btn:hover {
      background: rgba(255, 255, 255, 0.14);
      border-color: var(--silo-orange-500);
    }
    .silo-wallet-modal-backdrop {
      position: fixed; inset: 0;
      background: rgba(13, 32, 61, 0.65);
      backdrop-filter: blur(4px);
      z-index: 1200;
      display: flex; align-items: center; justify-content: center;
      padding: 16px; direction: rtl;
    }
    .silo-wallet-modal-backdrop[hidden] { display: none !important; }
    .silo-wallet-modal-card {
      width: 100%; max-width: 520px;
      background: #ffffff;
      border-radius: var(--silo-radius-xl);
      box-shadow: 0 24px 60px rgba(13, 32, 61, 0.25);
      overflow: hidden;
      animation: siloModalScaleIn 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    }
    @keyframes siloModalScaleIn {
      from { opacity: 0; transform: scale(0.96) translateY(8px); }
      to { opacity: 1; transform: scale(1) translateY(0); }
    }
    .silo-wallet-modal-header {
      display: flex; align-items: center; justify-content: space-between;
      padding: 18px 22px;
      border-bottom: 1px solid var(--silo-gray-200);
      background: var(--silo-gray-50);
    }
    .silo-wallet-modal-icon-wrap {
      width: 38px; height: 38px;
      border-radius: var(--silo-radius-md);
      background: var(--silo-orange-50);
      color: var(--silo-orange-500);
      display: flex; align-items: center; justify-content: center;
    }
    .silo-wallet-modal-title { font-size: 16px; font-weight: 700; color: var(--silo-blue-900); margin: 0; }
    .silo-wallet-modal-subtitle { font-size: 12px; color: var(--silo-gray-600); }
    .silo-wallet-modal-close {
      width: 32px; height: 32px; border-radius: 50%;
      border: none; background: transparent; color: var(--silo-gray-500);
      cursor: pointer; display: flex; align-items: center; justify-content: center;
      font-size: 16px; transition: all 0.15s ease;
    }
    .silo-wallet-modal-close:hover { background: var(--silo-gray-200); color: var(--silo-gray-900); }
    .silo-wallet-form { padding: 22px; display: flex; flex-direction: column; gap: 18px; }
    .silo-wallet-field-label { display: block; font-size: 12.5px; font-weight: 700; color: var(--silo-gray-700); margin-bottom: 8px; }
    .silo-wallet-presets-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
    .silo-wallet-preset-btn {
      padding: 8px 4px; background: var(--silo-gray-100);
      border: 1px solid var(--silo-gray-200); border-radius: var(--silo-radius-md);
      font-size: 12px; font-weight: 600; color: var(--silo-gray-800);
      cursor: pointer; transition: all 0.15s ease; white-space: nowrap; text-align: center;
    }
    .silo-wallet-preset-btn:hover { background: var(--silo-orange-50); border-color: var(--silo-orange-200); color: var(--silo-orange-600); }
    .silo-wallet-preset-btn.active { background: var(--silo-orange-500); border-color: var(--silo-orange-500); color: #ffffff; }
    .silo-wallet-input-wrap { position: relative; display: flex; align-items: center; }
    .silo-wallet-amount-input {
      width: 100%; height: 48px; padding: 0 54px 0 16px;
      border: 2px solid var(--silo-gray-200); border-radius: var(--silo-radius-lg);
      font-size: 18px; font-weight: 700; color: var(--silo-blue-900); outline: none;
      direction: ltr; text-align: right; transition: border-color 0.15s ease, box-shadow 0.15s ease;
    }
    .silo-wallet-amount-input:focus { border-color: var(--silo-orange-500); box-shadow: 0 0 0 3px rgba(239, 133, 46, 0.18); }
    .silo-wallet-input-suffix { position: absolute; left: 16px; font-size: 13px; font-weight: 600; color: var(--silo-gray-500); }
    .silo-wallet-amount-words { font-size: 12px; color: #059669; font-weight: 600; margin-top: 6px; min-height: 18px; }
    .silo-wallet-gateways-grid { display: flex; flex-direction: column; gap: 8px; }
    .silo-gateway-card {
      display: flex; align-items: center; gap: 12px; padding: 10px 14px;
      border: 1px solid var(--silo-gray-200); border-radius: var(--silo-radius-md);
      cursor: pointer; transition: all 0.15s ease;
    }
    .silo-gateway-card:hover { background: var(--silo-gray-50); border-color: var(--silo-gray-300); }
    .silo-gateway-card.active { border-color: var(--silo-orange-500); background: var(--silo-orange-50); }
    .silo-gateway-card input[type="radio"] { display: none; }
    .silo-gateway-radio { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--silo-gray-300); position: relative; flex-shrink: 0; }
    .silo-gateway-card.active .silo-gateway-radio { border-color: var(--silo-orange-500); }
    .silo-gateway-card.active .silo-gateway-radio::after {
      content: ''; position: absolute; top: 3px; left: 3px; width: 8px; height: 8px; border-radius: 50%; background: var(--silo-orange-500);
    }
    .silo-gateway-info { display: flex; flex-direction: column; }
    .silo-gateway-info strong { font-size: 13px; color: var(--silo-blue-900); }
    .silo-gateway-info span { font-size: 11.5px; color: var(--silo-gray-500); }
    .silo-wallet-submit-btn {
      width: 100%; height: 48px; border: none; border-radius: var(--silo-radius-lg);
      background: var(--silo-orange-500); color: #ffffff; font-family: inherit; font-size: 15px; font-weight: 700;
      display: flex; align-items: center; justify-content: center; gap: 10px; cursor: pointer;
      transition: background 0.15s ease, transform 0.15s ease;
      box-shadow: 0 4px 14px rgba(239, 133, 46, 0.35);
    }
    .silo-wallet-submit-btn:hover { background: var(--silo-orange-600); transform: translateY(-1px); }
    .silo-wallet-submit-btn:disabled { opacity: 0.65; cursor: not-allowed; transform: none; }
    .silo-wallet-notice { padding: 10px 14px; border-radius: var(--silo-radius-md); font-size: 12.5px; line-height: 1.5; }
    .silo-wallet-notice.is-error { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; }

    /* ═══════════════════════════════════════════════════════════════
       MOBILE DELIVERY ADDRESS SELECTOR BOTTOM SHEET MODAL
    ═══════════════════════════════════════════════════════════════ */
    .silo-addr-modal {
      position: fixed; inset: 0; z-index: 999999;
      display: flex; align-items: flex-end; justify-content: center;
      opacity: 0; pointer-events: none;
      transition: opacity 0.22s ease;
    }
    .silo-addr-modal.is-open {
      opacity: 1; pointer-events: auto;
    }
    .silo-addr-backdrop {
      position: absolute; inset: 0;
      background: rgba(13, 32, 61, 0.72);
      backdrop-filter: blur(4px);
    }
    .silo-addr-sheet {
      position: relative; width: 100%; max-width: 560px;
      max-height: 85dvh;
      max-height: min(85dvh, 85vh);
      background: #14294b; border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: 20px 20px 0 0;
      box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
      display: flex; flex-direction: column; overflow: hidden;
      transform: translateY(100%);
      transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
      z-index: 10; direction: rtl; text-align: right;
    }
    .silo-addr-modal.is-open .silo-addr-sheet {
      transform: translateY(0);
    }
    .silo-addr-sheet-handle {
      width: 44px; height: 4px;
      background: rgba(255, 255, 255, 0.25);
      border-radius: 999px; margin: 10px auto 0; flex-shrink: 0;
    }
    .silo-addr-view {
      width: 100%;
      flex: 1 1 auto;
      min-height: 0;
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }
    .silo-addr-view[hidden],
    .silo-addr-new-form[hidden] {
      display: none !important;
    }
    .silo-addr-header {
      display: flex; align-items: center; justify-content: space-between;
      padding: 14px 20px; border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      flex-shrink: 0;
    }
    .silo-addr-title-wrap {
      display: flex; align-items: center; gap: 10px;
    }
    .silo-addr-back-btn {
      display: inline-flex; align-items: center; gap: 4px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: var(--silo-radius-md, 8px);
      color: #ffffff; padding: 5px 10px;
      font-size: 12.5px; font-weight: 600; cursor: pointer;
      font-family: inherit; transition: all 0.18s ease;
    }
    .silo-addr-back-btn:hover {
      background: rgba(255, 255, 255, 0.16);
      color: var(--silo-orange-400, #f5a623);
      border-color: rgba(255, 255, 255, 0.3);
    }
    .silo-addr-back-btn svg {
      width: 15px; height: 15px; stroke: currentColor;
    }
    .silo-addr-header-icon {
      width: 20px; height: 20px; color: var(--silo-orange-400, #f5a623); flex-shrink: 0;
    }
    .silo-addr-modal-title {
      font-size: 15px; font-weight: 700; color: #ffffff; margin: 0;
    }
    .silo-addr-close-btn {
      width: 32px; height: 32px; border: none;
      background: rgba(255, 255, 255, 0.08); border-radius: 50%;
      color: #ffffff; font-size: 14px; cursor: pointer;
      display: flex; align-items: center; justify-content: center;
      transition: background 0.15s ease;
    }
    .silo-addr-close-btn:hover {
      background: rgba(255, 255, 255, 0.16);
    }
    .silo-addr-body {
      padding: 16px 20px 24px;
      overflow-y: auto !important;
      overflow-x: hidden;
      -webkit-overflow-scrolling: touch;
      overscroll-behavior: contain;
      flex: 1 1 auto;
      min-height: 0;
      display: flex;
      flex-direction: column;
      gap: 14px;
      width: 100%;
      min-width: 0;
      box-sizing: border-box;
    }
    .silo-addr-subtitle {
      font-size: 12.5px; color: rgba(255, 255, 255, 0.72); margin: 0;
    }
    .silo-addr-list {
      display: flex; flex-direction: column; gap: 10px;
    }
    .silo-addr-card {
      display: flex; align-items: flex-start; gap: 12px;
      padding: 14px 16px; background: rgba(255, 255, 255, 0.05);
      border: 1.5px solid rgba(255, 255, 255, 0.12);
      border-radius: 12px; cursor: pointer;
      transition: all 0.18s ease;
    }
    .silo-addr-card:hover {
      background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.25);
    }
    .silo-addr-card.is-selected {
      background: rgba(239, 133, 46, 0.1); border-color: var(--silo-orange-500, #ef852e);
    }
    .silo-addr-card-radio {
      position: relative; margin-top: 3px; flex-shrink: 0;
    }
    .silo-addr-card-radio input {
      position: absolute; opacity: 0; width: 0; height: 0;
    }
    .silo-addr-radio-indicator {
      width: 18px; height: 18px; border-radius: 50%;
      border: 2px solid rgba(255, 255, 255, 0.4); display: block;
      position: relative; transition: all 0.18s ease;
    }
    .silo-addr-card.is-selected .silo-addr-radio-indicator {
      border-color: var(--silo-orange-500, #ef852e);
    }
    .silo-addr-card.is-selected .silo-addr-radio-indicator::after {
      content: ''; width: 8px; height: 8px; border-radius: 50%;
      background: var(--silo-orange-500, #ef852e);
      position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    }
    .silo-addr-card-content {
      flex: 1; display: flex; flex-direction: column; gap: 4px;
    }
    .silo-addr-card-top {
      display: flex; align-items: center; justify-content: space-between;
    }
    .silo-addr-card-title {
      font-size: 14px; font-weight: 700; color: #ffffff;
    }
    .silo-addr-badge-active {
      font-size: 10px; font-weight: 700;
      background: var(--silo-orange-500, #ef852e); color: #ffffff;
      padding: 2px 7px; border-radius: 4px;
    }
    .silo-addr-card-desc {
      font-size: 12.5px; color: rgba(255, 255, 255, 0.85); line-height: 1.5; margin: 0;
    }
    .silo-addr-card-meta {
      font-size: 11px; color: rgba(255, 255, 255, 0.55);
    }
    .silo-addr-add-btn {
      width: 100%; display: inline-flex; align-items: center; justify-content: center;
      gap: 8px; height: 44px;
      border: 1.5px dashed rgba(255, 255, 255, 0.28);
      background: rgba(255, 255, 255, 0.04);
      border-radius: 12px; color: #ffffff;
      font-size: 13.5px; font-weight: 600; cursor: pointer;
      transition: all 0.18s ease;
    }
    .silo-addr-add-btn:hover {
      border-color: var(--silo-orange-500, #ef852e);
      background: rgba(239, 133, 46, 0.08);
      color: var(--silo-orange-400, #f5a623);
    }
    .silo-addr-add-btn svg {
      width: 17px; height: 17px;
    }
    .silo-addr-new-form {
      display: flex; flex-direction: column; gap: 12px;
      padding: 16px; background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 14px; margin-top: 6px;
      width: 100%; min-width: 0; box-sizing: border-box;
    }
    .silo-addr-form-field {
      display: flex; flex-direction: column; gap: 6px;
      width: 100%; min-width: 0; box-sizing: border-box;
    }
    .silo-addr-form-field label {
      font-size: 12px; font-weight: 600; color: rgba(255, 255, 255, 0.85);
      line-height: 1.4; word-break: break-word;
    }
    .silo-addr-form-field input,
    .silo-addr-form-field textarea,
    .silo-addr-form-field select {
      width: 100%; min-width: 0; max-width: 100%; box-sizing: border-box;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: 8px; color: #ffffff;
      font-size: 13.5px; padding: 10px 12px; outline: none; font-family: inherit;
      transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
    }
    .silo-addr-form-field input:focus,
    .silo-addr-form-field textarea:focus,
    .silo-addr-form-field select:focus {
      border-color: var(--silo-orange-500, #ef852e);
      background: rgba(255, 255, 255, 0.12);
      box-shadow: 0 0 0 3px rgba(239, 133, 46, 0.15);
    }
    .silo-addr-card-meta-row {
      display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 4px;
    }
    .silo-addr-empty-notice {
      padding: 20px; text-align: center; color: rgba(255, 255, 255, 0.7);
      background: rgba(255, 255, 255, 0.04); border-radius: 12px; font-size: 13px;
    }
    .silo-addr-form-row {
      display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px;
      width: 100%; min-width: 0; box-sizing: border-box;
    }
    .silo-addr-form-row.two-cols-compact {
      display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px;
      width: 100%; min-width: 0; box-sizing: border-box;
    }
    .silo-addr-form-row.three-cols {
      display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.4fr); gap: 12px;
      width: 100%; min-width: 0; box-sizing: border-box;
    }
    .silo-addr-sheet { overflow-x: clip; box-sizing: border-box; }
    @media (max-width: 768px) {
      .silo-addr-form-row:not(.two-cols-compact) { grid-template-columns: minmax(0, 1fr); }
      .silo-addr-form-row.three-cols {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .silo-addr-form-row.three-cols .silo-addr-form-field:last-child {
        grid-column: 1 / -1;
      }
      .silo-addr-body { padding: 14px 16px 20px; }
      .silo-addr-header { padding: 12px 16px; }
    }
    @media (max-width: 480px) {
      .silo-addr-modal-title { font-size: 13.5px; }
      .silo-addr-title-wrap { min-width: 0; }
      .silo-addr-sheet { border-radius: 16px 16px 0 0; }
      .silo-addr-form-row.two-cols-compact { gap: 8px; }
      .silo-addr-body { padding: 12px 14px 20px; gap: 12px; }
    }
    .silo-addr-form-field select {
      height: 42px; background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: 8px; color: #ffffff; font-size: 13.5px;
      padding: 0 10px; outline: none; font-family: inherit; width: 100%;
    }
    .silo-addr-form-field select option {
      background: #14294b; color: #ffffff;
    }
    .silo-addr-form-checkbox {
      margin: 4px 0;
    }
    .silo-addr-form-checkbox label {
      display: flex; align-items: center; gap: 8px; font-size: 12px;
      color: rgba(255, 255, 255, 0.85); cursor: pointer; user-select: none;
    }
    .silo-addr-form-checkbox input[type="checkbox"] {
      accent-color: var(--silo-orange-500, #ef852e); width: 16px; height: 16px;
    }
    .silo-addr-form-alert {
      padding: 10px 14px; background: rgba(239, 68, 68, 0.15);
      border: 1px solid rgba(239, 68, 68, 0.4); border-radius: 8px;
      color: #fca5a5; font-size: 12.5px; line-height: 1.4;
    }
    .silo-addr-form-alert[hidden] {
      display: none !important;
    }
    .silo-addr-form-actions {
      position: sticky;
      bottom: 0;
      z-index: 10;
      background: #14294b;
      padding: 12px 0 4px;
      margin-top: auto;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      box-shadow: 0 -6px 14px rgba(20, 41, 75, 0.85);
      display: flex;
      gap: 8px;
    }
    .silo-addr-save-btn {
      flex: 1; height: 40px;
      background: var(--silo-orange-500, #ef852e); color: #ffffff;
      font-size: 13px; font-weight: 700; border: none; border-radius: 8px; cursor: pointer;
      transition: background 0.15s ease;
    }
    .silo-addr-save-btn:hover {
      background: var(--silo-orange-600);
    }
    .silo-addr-save-btn:disabled {
      opacity: 0.65; cursor: not-allowed;
    }
    .silo-addr-cancel-btn {
      height: 40px; padding: 0 16px;
      background: rgba(255, 255, 255, 0.1); color: #ffffff;
      font-size: 13px; font-weight: 500; border: none; border-radius: 8px; cursor: pointer;
    }
    body.silo-addr-modal-open {
      overflow: hidden;
    }

/* Messages Surface Mobile Integration Rules */
body:has(.sk-messages-shell[data-active-pane="detail"]) .silo-mobile-bottom-nav {
  display: none !important;
  visibility: hidden !important;
  height: 0 !important;
}

@media (max-width: 1023px) {
  body:has(.sk-messages-shell) .silo-mobile-header,
  body:has(.sk-messages-shell) .site-footer {
    display: none !important;
  }
}