:root {
      --bg: #313133;
      --sidebar: #313133;
      --panel: #353537;
      --panel-2: #3a3a3d;
      --panel-3: #404045;
      --border: #4a4a50;
      --border-soft: #44444a;
      --text: #eceaf0;
      --muted: #a6a3ad;
      --accent: #8e5ad7;
      --accent-dark: #7a49c3;
      --accent-faint: rgba(142, 90, 215, 0.08);
      --accent-faint-2: rgba(142, 90, 215, 0.14);
      --shadow: 0 12px 26px rgba(0, 0, 0, 0.22);
      --shadow-soft: 0 8px 18px rgba(0, 0, 0, 0.14);
      --danger: #d86d6d;
      --ok: #7ec68b;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: Inter, Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
    }

    input, select, textarea, button { font: inherit; }

    .layout {
      display: grid;
      grid-template-columns: 261px 1fr;
      min-height: 100vh;
    }

    .sidebar {
      position: sticky;
      top: 0;
      height: 100vh;
      background: var(--sidebar);
      border-right: 1px solid var(--border);
      display: flex;
      flex-direction: column;
    }

    .logo {
      padding: 16px 20px;
      font-size: 17px;
      font-weight: 700;
      letter-spacing: 0.12em;
      color: #ffffff;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      text-align: center;
    }

    .logo-svg {
      width: 52px;
      height: 26px;
      flex: 0 0 auto;
      color: var(--accent);
    }

    .profile {
      margin: 0 0 14px;
      padding: 20px 22px;
      border-bottom: 1px solid var(--border);
    }

    .profile-name {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 6px;
      color: #d8d8db;
    }

    .profile-meta {
      font-size: 13px;
      color: var(--muted);
      line-height: 1.45;
    }

    .profile-meta a {
      color: var(--accent);
      text-decoration: none;
      margin-left: 6px;
      font-weight: 600;
      padding: 6px 10px;
      border: 1px solid var(--accent);
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      transition: background .18s ease, color .18s ease, box-shadow .18s ease, transform .18s ease;
    }

    .profile-meta a:hover {
      background: var(--accent);
      color: #fff;
      box-shadow: 0 10px 24px rgba(142, 90, 215, 0.24);
      transform: translateY(-1px);
    }

    .nav {
      padding: 8px 16px 16px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .nav-link {
      display: flex;
      align-items: center;
      gap: 14px;
      min-height: 52px;
      padding: 0 16px;
      color: #dbe0e6;
      text-decoration: none;
      border: 1px solid transparent;
      border-radius: 14px;
      font-size: 15px;
      transition: background .18s ease, border-color .18s ease, color .18s ease;
    }

    .nav-link:hover,
    .nav-link.active {
      border-color: var(--border);
      color: var(--text);
      background: #3a3a3d;
    }

    .nav-link:hover .nav-icon,
    .nav-link.active .nav-icon {
      color: var(--accent);
    }

    .nav-link.active {
      border-color: var(--accent);
      color: var(--accent);
      background: transparent;
    }

    .nav-icon {
      width: 22px;
      height: 22px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 auto;
      color: var(--accent);
    }

    .sidebar-bottom {
      margin-top: auto;
      padding: 16px 18px 22px;
      border-top: 1px solid var(--border);
    }

    .bottom-link {
      display: flex;
      align-items: center;
      gap: 14px;
      color: #dbe0e6;
      text-decoration: none;
      font-size: 15px;
      min-height: 42px;
      background: none;
      border: 0;
      padding: 0;
      cursor: pointer;
    }

    .content {
      background: var(--bg);
      padding: 24px 24px 36px;
    }

    .page { display: none; animation: fade .14s ease; }
    .page.active { display: block; }
    @keyframes fade { from { opacity: 0; } to { opacity: 1; } }

    .page-title {
      margin: 0 0 18px;
      color: var(--text);
      font-size: 22px;
      font-weight: 700;
      letter-spacing: 0.01em;
    }

    .card {
      background: var(--panel);
      border: 1px solid var(--border-soft);
      border-radius: 16px;
      box-shadow: var(--shadow-soft);
    }

    .filters {
      padding: 12px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 1fr 1fr 1fr 1fr 0.8fr;
      gap: 10px;
      margin-bottom: 10px;
    }

    .field,
    .field-input,
    .field-select {
      height: 46px;
      width: 100%;
      border: 1px solid var(--border);
      border-radius: 10px;
      background: var(--panel-2);
      color: #d8d8db;
      padding: 0 14px;
      font-size: 14px;
      outline: none;
      transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
    }

    .field:focus,
    .field-input:focus,
    .field-select:focus,
    .input:focus,
    .input-select:focus,
    .input-textarea:focus,
    .payment-input:focus {
      border-color: rgba(142, 90, 215, 0.75);
      box-shadow: 0 0 0 2px rgba(142, 90, 215, 0.10);
    }

    .field.error,
    .field-input.error,
    .field-select.error,
    .input.error,
    .input-select.error,
    .input-textarea.error,
    .payment-input.error {
      border-color: var(--danger);
      box-shadow: 0 0 0 3px rgba(216, 109, 109, 0.12);
    }

    .field.valid,
    .field-input.valid,
    .field-select.valid,
    .input.valid,
    .input-select.valid,
    .input-textarea.valid,
    .payment-input.valid {
      border-color: var(--ok);
    }

    .field {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .field.selected {
      color: #f3f5f7;
      background: #3a3a3d;
    }

    .field-input::placeholder,
    .input::placeholder,
    .input-textarea::placeholder,
    .payment-input::placeholder { color: var(--muted); }

    .field-select,
    .input-select {
      appearance: none;
      background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
      background-position: calc(100% - 18px) 20px, calc(100% - 12px) 20px;
      background-size: 6px 6px, 6px 6px;
      background-repeat: no-repeat;
      padding-right: 32px;
    }

    .field .close {
      color: #a6afb9;
      font-size: 20px;
      line-height: 1;
    }

    .validation-note {
      margin-top: 6px;
      min-height: 16px;
      font-size: 12px;
      color: var(--muted);
    }

    .validation-note.error { color: var(--danger); }
    .validation-note.valid { color: var(--ok); }

    .table-shell { overflow: hidden; }
    table { width: 100%; border-collapse: collapse; }

    th,
    td {
      padding: 16px 12px;
      text-align: left;
      border-bottom: 1px solid var(--border);
      font-size: 14px;
    }

    th {
      color: #d6d6d8;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.05em;
      background: #353537;
    }

    td {
      color: #d8d8db;
      background: #353537;
    }

    tbody tr {
      transition: background .14s ease;
    }

    tbody tr:hover td {
      background: #38383b;
    }

    tr:last-child td { border-bottom: 0; }

    .state-cell {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .flag-icon {
      width: 16px;
      height: 12px;
      border-radius: 2px;
      flex: 0 0 auto;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.14);
    }

    .age-accent {
      color: var(--accent);
      font-weight: 600;
    }

    .speed-box,
    .buy-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 94px;
      height: 28px;
      border-radius: 8px;
      font-size: 12px;
      font-weight: 700;
    }

    .speed-box {
      border: 1px solid var(--accent);
      color: var(--accent);
      background: transparent;
    }

    .buy-btn {
      border: 1px solid var(--accent);
      color: var(--accent);
      background: transparent;
      cursor: pointer;
    }

    .buy-btn:hover { background: rgba(142, 90, 215, 0.06); }

    .isp {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    .inline-tag {
      font-size: 10px;
      font-weight: 700;
      color: var(--accent);
      text-transform: uppercase;
    }

    .table-empty {
      display: none;
      padding: 34px 20px 38px;
      text-align: center;
      background: #353537;
      border-top: 1px solid var(--border);
    }

    .table-empty.active {
      display: block;
    }

    .table-empty-icon {
      width: 42px;
      height: 42px;
      margin: 0 auto 12px;
      color: var(--accent);
      opacity: 0.9;
    }

    .table-empty-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 6px;
    }

    .table-empty-text {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.5;
    }

    .table-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 16px;
      border-top: 1px solid var(--border);
      background: #353537;
      color: var(--muted);
      font-size: 13px;
    }

    .rows-select {
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    .select-box,
    .pager-btn {
      min-width: 36px;
      height: 30px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--panel-2);
      color: #d8d8db;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .pager { display: flex; align-items: center; gap: 8px; }

    .search-panel,
    .empty-panel {
      padding: 20px 22px;
      margin-bottom: 18px;
    }

    .search-grid-3,
    .search-grid-2 { display: grid; gap: 18px; }
    .search-grid-3 { grid-template-columns: 260px 185px 185px; }
    .search-grid-2 { grid-template-columns: 185px 185px; }

    .label {
      display: block;
      margin-bottom: 8px;
      color: #f0f2f4;
      font-size: 13px;
      font-weight: 500;
    }

    .input,
    .input-select,
    .input-textarea {
      width: 100%;
      border-radius: 10px;
      border: 1px solid var(--border);
      background: var(--panel-2);
      color: #d8d8db;
      padding: 0 14px;
      font-size: 14px;
      outline: none;
      transition: border-color .16s ease, box-shadow .16s ease;
    }

    .input,
    .input-select { height: 46px; }

    .input-textarea {
      min-height: 110px;
      resize: vertical;
      padding-top: 12px;
      padding-bottom: 12px;
    }

    .empty-panel {
      min-height: 220px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
    }

    .empty-wrap { max-width: 420px; }

    .empty-emoji {
      width: 40px;
      height: 40px;
      margin: 0 auto 12px;
      color: #b7a8cf;
    }

    .empty-title {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 8px;
      color: #f1f3f5;
    }

    .empty-text {
      color: #97a0aa;
      font-size: 14px;
      line-height: 1.55;
    }

    .overlay {
      position: fixed;
      inset: 0;
      background: rgba(18, 16, 24, 0.82);
      display: none;
      align-items: center;
      justify-content: center;
      padding: 18px;
      z-index: 30;
      backdrop-filter: blur(2px);
    }

    .overlay.active { display: flex; }

    .modal {
      width: 560px;
      background: var(--panel);
      color: var(--text);
      border-radius: 18px;
      padding: 24px 28px 26px;
      position: relative;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .modal-close {
      position: absolute;
      right: 16px;
      top: 10px;
      border: 0;
      background: transparent;
      font-size: 30px;
      color: var(--muted);
      cursor: pointer;
    }

    .modal-title {
      text-align: center;
      color: var(--accent);
      font-size: 22px;
      font-weight: 700;
      margin: 14px 0 22px;
    }

    .support-box,
    .purchase-box,
    .payment-note {
      background: var(--panel-2);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 16px 18px;
    }

    .support-box,
    .purchase-box { margin-bottom: 14px; }

    .support-head,
    .purchase-head {
      color: var(--text);
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .support-contact,
    .purchase-contact {
      font-size: 15px;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 8px;
    }

    .support-desc,
    .purchase-desc,
    .purchase-copy {
      font-size: 14px;
      line-height: 1.5;
      color: var(--muted);
    }

    .modal-actions {
      display: flex;
      justify-content: flex-end;
      gap: 12px;
      padding-top: 22px;
    }

    .close-btn {
      height: 42px;
      min-width: 110px;
      border-radius: 10px;
      font-weight: 700;
      cursor: pointer;
    }

    .secondary-btn {
      border: 1px solid var(--accent);
      background: transparent;
      color: var(--accent);
    }

    .primary-btn {
      border: 0;
      background: var(--accent);
      color: #fff;
      box-shadow: 0 12px 24px rgba(142, 90, 215, 0.22);
    }

    .payment-label {
      display: block;
      font-size: 15px;
      font-weight: 700;
      color: var(--text);
      margin: 20px 0 10px;
    }

    .payment-input {
      width: 100%;
      height: 48px;
      border-radius: 10px;
      border: 1px solid var(--border);
      background: var(--panel-2);
      color: var(--text);
      padding: 0 14px;
      font-size: 15px;
      outline: none;
      transition: border-color .16s ease, box-shadow .16s ease;
    }

    .payment-note {
      margin-top: 18px;
      text-align: center;
      color: var(--muted);
      line-height: 1.5;
    }

    .crypto-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 10px;
    }

    .crypto-pill {
      height: 28px;
      padding: 0 10px;
      border-radius: 8px;
      background: var(--accent-faint);
      color: var(--accent);
      border: 1px solid var(--accent);
      font-size: 12px;
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .purchase-flag {
      width: 30px;
      height: 22px;
      border-radius: 4px;
      flex: 0 0 auto;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.12);
    }

    .purchase-title-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 4px;
    }

    .purchase-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text);
    }

    .purchase-subtitle {
      color: var(--muted);
      margin-bottom: 12px;
    }

    .purchase-divider {
      height: 1px;
      background: var(--border);
      margin: 12px 0;
    }

    .purchase-line {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 10px;
      color: var(--text);
      font-weight: 600;
    }

    .purchase-line .label-soft {
      color: var(--accent);
      min-width: 94px;
    }

    .purchase-copy {
      font-size: 15px;
      color: var(--text);
      margin: 14px 0;
      line-height: 1.42;
    }

    .purchase-copy .accent {
      color: var(--accent);
      font-weight: 700;
    }

    .purchase-copy.small {
      font-size: 13px;
      color: var(--muted);
    }

    .purchase-actions {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 12px;
      padding-top: 12px;
    }

    .purchase-btn {
      height: 54px;
      border-radius: 10px;
      font-weight: 700;
      font-size: 15px;
      cursor: pointer;
    }

    .purchase-btn.secondary {
      border: 1px solid var(--border);
      background: var(--panel-2);
      color: var(--muted);
    }

    .purchase-btn.outline {
      border: 1px solid var(--accent);
      background: transparent;
      color: var(--accent);
    }

    .purchase-btn.primary {
      border: 0;
      background: var(--accent);
      color: #fff;
      box-shadow: 0 12px 24px rgba(142, 90, 215, 0.22);
    }

    @media (max-width: 1280px) {
      .filters { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .search-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
    }

    @media (max-width: 980px) {
      .layout {
        grid-template-columns: 1fr;
      }

      .sidebar {
        position: relative;
        height: auto;
      }

      .logo {
        padding: 18px 16px;
        font-size: 17px;
        letter-spacing: 0.12em;
      }

      .profile {
        padding: 16px;
        margin: 0 0 8px;
      }

      .nav {
        padding: 8px 12px 14px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
      }

      .nav-link,
      .bottom-link {
        min-height: 46px;
        padding: 0 12px;
        border-radius: 12px;
        font-size: 14px;
      }

      .sidebar-bottom {
        padding: 12px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
      }

      .content {
        padding: 14px;
      }

      .page-title {
        font-size: 20px;
        margin-bottom: 14px;
      }

      .filters,
      .search-grid-3,
      .search-grid-2,
      .purchase-actions {
        grid-template-columns: 1fr;
      }

      .card,
      .modal {
        border-radius: 14px;
      }

      .search-panel,
      .empty-panel,
      .modal {
        padding-left: 16px;
        padding-right: 16px;
      }

      .table-shell {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
      }

      table {
        min-width: 860px;
      }

      .table-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }

      .pager {
        width: 100%;
        flex-wrap: wrap;
      }

      .modal {
        width: 100%;
        max-height: calc(100vh - 36px);
        overflow-y: auto;
      }

      .modal-actions {
        flex-direction: column;
      }

      .close-btn,
      .purchase-btn {
        width: 100%;
      }
    }

    @media (max-width: 640px) {
      .nav {
        grid-template-columns: 1fr;
      }

      .sidebar-bottom {
        grid-template-columns: 1fr;
      }

      .logo {
        justify-content: flex-start;
        text-align: left;
      }

      .profile-meta {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }

      .profile-meta a {
        margin-left: 0;
      }

      .field,
      .field-input,
      .field-select,
      .input,
      .input-select,
      .payment-input {
        height: 44px;
        font-size: 13px;
      }

      th,
      td {
        padding: 14px 10px;
        font-size: 13px;
      }

      .state-cell {
        gap: 6px;
      }

      .speed-box,
      .buy-btn {
        min-width: 82px;
        height: 26px;
        font-size: 11px;
      }

      .purchase-title-row {
        align-items: flex-start;
      }

      .purchase-copy {
        font-size: 14px;
      }

      .purchase-actions {
        gap: 10px;
      }
    }

    @media (max-width: 980px) {
      .layout { grid-template-columns: 1fr; }
      .sidebar { position: relative; height: auto; }
      .content { padding: 18px; }
      .filters,
      .search-grid-3,
      .search-grid-2,
      .purchase-actions { grid-template-columns: 1fr; }
      .table-shell { overflow-x: auto; }
      table { min-width: 1000px; }
      .modal { width: 100%; }
    }

    /* ===== MOBILE HEADER ===== */
    .mobile-header {
      display: none;
      position: sticky;
      top: 0;
      z-index: 20;
      background: var(--sidebar);
      border-bottom: 1px solid var(--border);
      height: 56px;
      padding: 0 16px;
      align-items: center;
      justify-content: space-between;
    }

    .hamburger-btn {
      width: 40px;
      height: 40px;
      background: none;
      border: none;
      color: var(--text);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      flex: 0 0 auto;
      transition: background .15s;
    }
    .hamburger-btn:hover { background: var(--panel-2); }

    .mobile-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--accent);
      letter-spacing: 0.01em;
      text-align: center;
      flex: 1;
    }

    .mobile-header-spacer { width: 40px; flex: 0 0 auto; }

    /* ===== MOBILE NAV BACKDROP ===== */
    .mobile-backdrop {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.55);
      z-index: 30;
    }
    .mobile-backdrop.open { display: block; }

    /* ===== FILTERS ACCORDION ===== */
    .filters-bar {
      display: none;
      align-items: center;
      justify-content: space-between;
      padding: 14px 16px;
      cursor: pointer;
      user-select: none;
    }
    .filters-bar-label {
      font-size: 15px;
      font-weight: 600;
      color: var(--text);
    }
    .filters-bar-arrow {
      color: var(--muted);
      transition: transform .2s ease;
    }
    .filters-bar.open .filters-bar-arrow { transform: rotate(180deg); }

    #filtersGrid { margin-bottom: 0; }

    /* ===== PROXY CARDS ===== */
    .store-cards {
      display: none;
      flex-direction: column;
      gap: 10px;
      padding: 12px;
    }

    .proxy-card {
      background: var(--panel-2);
      border: 1px solid var(--border-soft);
      border-radius: 14px;
      padding: 14px 16px;
    }

    .proxy-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 3px;
    }

    .proxy-card-ip {
      font-size: 16px;
      font-weight: 700;
      color: var(--text);
    }

    .proxy-card-price {
      font-size: 16px;
      font-weight: 700;
      color: var(--accent);
    }

    .proxy-card-location {
      font-size: 13px;
      color: var(--muted);
      margin-bottom: 12px;
    }

    .proxy-card-meta {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px 16px;
      margin-bottom: 12px;
    }

    .proxy-card-meta-label {
      font-size: 11px;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin-bottom: 2px;
      font-weight: 600;
    }

    .proxy-card-meta-value {
      font-size: 14px;
      color: var(--text);
      font-weight: 500;
    }

    .proxy-card-meta-value.accent { color: var(--accent); font-weight: 700; }

    .proxy-card-footer {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      border-top: 1px solid var(--border-soft);
      padding-top: 10px;
    }

    .proxy-card-speed {
      height: 40px;
      border: 1px solid var(--accent);
      border-radius: 10px;
      background: transparent;
      color: var(--accent);
      font-size: 13px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .proxy-card-buy {
      height: 40px;
      border: 1px solid var(--accent);
      border-radius: 10px;
      background: transparent;
      color: var(--accent);
      font-size: 14px;
      font-weight: 700;
      cursor: pointer;
      transition: background .15s;
    }
    .proxy-card-buy:hover { background: var(--accent-faint); }

    .cards-empty {
      padding: 32px 20px 36px;
      text-align: center;
    }

    /* ===== MOBILE BREAKPOINT ===== */
    @media (max-width: 767px) {
      .mobile-header { display: flex; }

      .layout { display: block; }

      .sidebar {
        position: fixed !important;
        top: 0;
        left: -270px;
        height: 100vh !important;
        width: 260px;
        z-index: 40;
        overflow-y: auto;
        transition: left .25s ease;
      }

      .sidebar.drawer-open {
        left: 0;
        box-shadow: 6px 0 28px rgba(0,0,0,0.45);
      }

      .content { padding: 0; }

      .page { padding: 14px; }

      .page-title { font-size: 18px; margin-bottom: 12px; }

      .filters-bar { display: flex; }

      #filtersGrid {
        display: none;
        padding: 12px;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
      }

      #filtersGrid.open { display: grid; }

      .table-shell { display: none; }

      .store-cards { display: flex; }

      .search-panel { padding: 14px; }
      .search-grid-3,
      .search-grid-2 { grid-template-columns: 1fr; }

      .empty-panel { min-height: 280px; padding: 20px; }

      .nav {
        padding: 8px 14px 16px;
        display: flex;
        flex-direction: column;
        gap: 6px;
      }

      .sidebar-bottom {
        display: flex;
        flex-direction: column;
        gap: 4px;
        padding: 14px 18px 24px;
      }
    }

    @media (max-width: 420px) {
      #filtersGrid.open { grid-template-columns: 1fr; }
    }