*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --sidebar-bg: #1e2a3a;
      --sidebar-active: #2c6ecb;
      --header-bg: #f0f4f8;
      --body-bg: #f5f7fa;
      --card-bg: #ffffff;
      --border: #e2e8f0;
      --text-primary: #1a202c;
      --text-secondary: #64748b;
      --text-muted: #94a3b8;
      --accent-blue: #2c6ecb;
      --accent-green: #38a169;
      --accent-orange: #dd6b20;
      --accent-red: #e53e3e;
      --accent-purple: #805ad5;
      --shopify-green: #96bf48;
      --spreadsheet-green: #34a853;
      --inflated-orange: #ed8936;
      --deflated-blue: #4299e1;
      --radius: 8px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
      --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      background: var(--body-bg);
      color: var(--text-primary);
      display: flex;
      min-height: 100vh;
      font-size: 14px;
    }

    .main { margin-left: 0; flex: 1; display: flex; flex-direction: column; min-height: 100vh; }
    .content { padding: 24px 28px; flex: 1; }

    .location-pill-group { position: relative; margin-left: auto; }
    .location-pill {
      display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px;
      border-radius: 20px; font-size: 13px; font-weight: 600; cursor: pointer;
      border: 2px solid var(--accent-blue); background: #eff6ff; color: var(--accent-blue);
      transition: all 0.2s; user-select: none;
    }
    .location-pill:hover { background: #dbeafe; }
    .location-pill-caret { font-size: 10px; opacity: 0.7; transition: transform 0.15s; }
    .location-pill.open .location-pill-caret { transform: rotate(180deg); }
    .location-dropdown {
      position: absolute; top: 100%; right: 0; z-index: 100; min-width: 200px;
      background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
      box-shadow: var(--shadow-md); padding: 4px 0; margin-top: 6px; display: none;
    }
    .location-dropdown.open { display: block; }
    .location-dropdown-item {
      display: flex; align-items: center; gap: 10px; padding: 10px 16px;
      font-size: 13px; font-weight: 500; color: var(--text-primary); cursor: pointer; transition: background 0.1s;
    }
    .location-dropdown-item:hover { background: #f0f4f8; }
    .location-dropdown-item.active { color: var(--accent-blue); font-weight: 600; background: #eff6ff; }
    .location-dropdown-item i { width: 16px; text-align: center; font-size: 12px; color: var(--text-muted); }
    .location-dropdown-item.active i { color: var(--accent-blue); }

    .btn {
      padding: 8px 16px; border-radius: 6px; font-size: 13px; font-weight: 600;
      cursor: pointer; border: 1px solid var(--border); background: #fff; color: var(--text-primary);
      transition: all 0.15s; font-family: inherit; display: inline-flex; align-items: center; gap: 6px;
    }
    .btn:hover { background: #f8fafc; }
    .btn-primary { background: var(--accent-blue); color: #fff; border-color: var(--accent-blue); }
    .btn-primary:hover { background: #2563b8; }
    .btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
    .btn-warning { background: #d97706; color: #fff; border-color: #d97706; }
    .btn-warning:hover { background: #b45309; }
    .btn-warning:disabled { opacity: 0.5; cursor: not-allowed; }
    .btn:disabled { opacity: 0.5; cursor: not-allowed; }
    .btn-sm { padding: 5px 12px; font-size: 12px; }

    /* KPI */
    .kpi-section { margin-bottom: 18px; }
    .kpi-grid { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }
    .kpi-grid-header { display: grid; grid-template-columns: 180px repeat(5, 1fr); background: #f8fafc; border-bottom: 1px solid var(--border); }
    .kpi-grid-header .kpi-col-label {
      padding: 8px 12px; font-size: 10.5px; font-weight: 700; text-transform: uppercase;
      letter-spacing: 0.5px; color: var(--text-muted); display: flex; align-items: center; gap: 5px; white-space: nowrap;
    }
    .kpi-col-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
    .kpi-grid-row { display: grid; grid-template-columns: 180px repeat(5, 1fr); border-bottom: 1px solid #f1f5f9; transition: background 0.1s; }
    .kpi-grid-row:last-child { border-bottom: none; }
    .kpi-grid-row:hover { background: #fafbfc; }
    .kpi-grid-row.aggregate-row { background: #f0f4f8; border-bottom: 2px solid var(--border); }
    .kpi-grid-row .kpi-src { padding: 10px 12px; display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 12.5px; }
    .kpi-grid-row .kpi-src .src-icon { width: 24px; height: 24px; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 12px; flex-shrink: 0; }
    .kpi-grid-row .kpi-src .src-icon.spreadsheet { background: #e6f4ea; color: var(--spreadsheet-green); }
    .kpi-grid-row .kpi-src .src-icon.shopify { background: #f0f7e6; color: #5e8e3e; }
    .kpi-grid-row .kpi-src .src-icon.all { background: #eff6ff; color: var(--accent-blue); }
    .kpi-grid-row .kpi-src .src-name-wrap { display: flex; flex-direction: column; line-height: 1.2; }
    .kpi-grid-row .kpi-src .src-count { font-size: 10px; font-weight: 500; color: var(--text-muted); }
    .kpi-grid-row .kpi-val { padding: 10px 12px; font-size: 16px; font-weight: 700; color: var(--text-primary); display: flex; align-items: center; }
    .kpi-grid-row.aggregate-row .kpi-val { font-size: 15px; color: var(--text-secondary); }

    /* Tabs */
    .tabs { display: flex; gap: 0; margin-bottom: 0; border-bottom: 2px solid var(--border); }
    .tab { padding: 10px 18px; font-size: 13px; font-weight: 500; color: var(--text-secondary); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all 0.15s; user-select: none; }
    .tab:hover { color: var(--text-primary); }
    .tab.active { color: var(--accent-blue); border-bottom-color: var(--accent-blue); font-weight: 600; }

    /* Table */
    .table-container { background: var(--card-bg); border: 1px solid var(--border); border-radius: 0 0 var(--radius) var(--radius); border-top: none; box-shadow: var(--shadow-sm); }
    .table-actions { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--border); background: #fafbfc; position: relative; overflow: visible; z-index: 10; }
    .table-actions .search-inline input { padding: 7px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 12.5px; width: 220px; font-family: inherit; outline: none; transition: border-color 0.15s; }
    .table-actions .search-inline input:focus { border-color: var(--accent-blue); }

    table { width: 100%; border-collapse: collapse; }
    thead th { padding: 10px 16px; font-size: 11.5px; font-weight: 600; color: var(--text-secondary); text-align: left; text-transform: uppercase; letter-spacing: 0.3px; background: #f8fafc; border-bottom: 1px solid var(--border); white-space: nowrap; user-select: none; }
    thead th .sort-icon { margin-left: 4px; font-size: 10px; opacity: 0.4; }

    .source-group-header td { padding: 12px 16px; background: #f0f4f8; font-weight: 700; font-size: 13.5px; color: var(--text-primary); border-bottom: 1px solid var(--border); border-top: 1px solid var(--border); }
    .source-group-header:first-of-type td { border-top: none; }
    .source-group-header td .group-icon { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 5px; margin-right: 10px; font-size: 13px; vertical-align: middle; }
    .source-group-header td .group-icon.spreadsheet { background: #e6f4ea; color: var(--spreadsheet-green); }
    .source-group-header td .group-icon.shopify { background: #f0f7e6; color: #5e8e3e; }
    .source-group-header td .item-count { font-weight: 500; font-size: 12px; color: var(--text-secondary); margin-left: 8px; }
    .source-group-header td .group-toggle { float: right; background: none; border: none; color: var(--text-secondary); cursor: pointer; font-size: 13px; padding: 2px 8px; border-radius: 4px; transition: background 0.15s; }
    .source-group-header td .group-toggle:hover { background: rgba(0,0,0,0.05); }

    tbody tr { transition: background 0.1s; }
    tbody tr:hover { background: #f8fafc; }
    tbody td { padding: 11px 16px; font-size: 13px; border-bottom: 1px solid #f1f5f9; color: var(--text-primary); }
    tbody td:nth-child(5), tbody td:nth-child(6), tbody td:nth-child(7),
    thead th:nth-child(5), thead th:nth-child(6), thead th:nth-child(7) { padding-left: 8px; padding-right: 8px; text-align: center; white-space: nowrap; }
    tbody td.sku-cell { color: var(--accent-blue); font-weight: 600; cursor: pointer; }
    tbody td.sku-cell:hover { text-decoration: underline; }
    tbody td.audit-cell { color: var(--accent-green); font-weight: 600; }
    tbody td.date-cell { color: var(--text-secondary); font-size: 12.5px; }

    .chk-wrap { display: flex; align-items: center; justify-content: center; }
    .chk-wrap input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent-blue); cursor: pointer; }

    .adj-positive { color: var(--accent-green); font-weight: 600; }
    .adj-negative { color: var(--accent-red); font-weight: 600; }
    .est-qty { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 4px; font-weight: 600; font-size: 12.5px; }

    .filter-btn { padding: 6px 10px; border-radius: 6px; border: 1px solid var(--border); background: #fff; color: var(--accent-blue); cursor: pointer; font-size: 14px; display: flex; align-items: center; justify-content: center; transition: background 0.15s; }
    .filter-btn:hover { background: #f0f4f8; }
    .filter-btn.active { background: var(--accent-blue); color: #fff; border-color: var(--accent-blue); }

    /* SOURCE PILLS — exclusive selection mode */
    .source-filter-pills { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; }
    .source-pill {
      display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px;
      border-radius: 20px; font-size: 13px; font-weight: 600; cursor: pointer;
      border: 2px solid var(--border); background: #fff; color: var(--text-secondary);
      transition: all 0.2s; user-select: none;
    }
    .source-pill:hover { border-color: var(--accent-blue); color: var(--accent-blue); background: #f5f9ff; }
    .source-pill.active { border-color: var(--accent-blue); background: #eff6ff; color: var(--accent-blue); }
    .source-pill .pill-icon { width: 22px; height: 22px; border-radius: 5px; display: flex; align-items: center; justify-content: center; font-size: 12px; }
    .source-pill .pill-icon.spreadsheet { background: #e6f4ea; color: var(--spreadsheet-green); }
    .source-pill .pill-icon.shopify { background: #f0f7e6; color: #5e8e3e; }
    .source-pill .pill-count { background: #e2e8f0; padding: 1px 7px; border-radius: 10px; font-size: 11px; font-weight: 700; }
    .source-pill.active .pill-count { background: var(--accent-blue); color: #fff; }

    @media (max-width: 1024px) {
      .kpi-grid-header, .kpi-grid-row { grid-template-columns: 140px repeat(5, 1fr); }
    }

    @keyframes fadeSlideIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
    .animate-in { animation: fadeSlideIn 0.35s ease-out both; }
    .delay-1 { animation-delay: 0.05s; }
    .delay-3 { animation-delay: 0.15s; }

    /* Status badges */
    .status-badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; white-space: nowrap; }
    .status-badge.exported { background: #fef3c7; color: #92400e; }
    .status-badge.exported i { color: #d97706; }
    .status-badge.pending { background: #f0f4f8; color: var(--text-secondary); }
    .status-badge.synced { background: #e6f4ea; color: #166534; }
    .status-badge.ready { background: #e6f4ea; color: #166534; }
    .status-badge.corrected { background: #e0e7ff; color: #3730a3; }

    .btn .btn-count { background: rgba(255,255,255,0.25); padding: 1px 7px; border-radius: 10px; font-size: 11px; font-weight: 700; margin-left: 2px; }
    .btn-primary .btn-count { background: rgba(255,255,255,0.25); color: #fff; }
    .btn-warning .btn-count { background: rgba(255,255,255,0.25); color: #fff; }
    .btn:not(.btn-primary):not(.btn-warning) .btn-count { background: var(--accent-blue); color: #fff; }

    /* Paginator */
    .group-paginator td { padding: 10px 16px; background: #f8fafc; border-bottom: 1px solid var(--border); border-top: 1px solid #f1f5f9; }
    .group-paginator .paginator-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
    .paginator-buttons { display: flex; align-items: center; gap: 4px; }
    .page-btn { min-width: 32px; height: 32px; padding: 0 8px; border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--text-secondary); font-size: 12.5px; font-weight: 500; font-family: inherit; cursor: pointer; transition: all 0.15s; display: inline-flex; align-items: center; justify-content: center; }
    .page-btn:hover:not(:disabled):not(.active) { background: #f0f4f8; border-color: var(--accent-blue); color: var(--accent-blue); }
    .page-btn.active { background: var(--accent-blue); border-color: var(--accent-blue); color: #fff; font-weight: 600; }
    .page-btn:disabled { opacity: 0.4; cursor: not-allowed; }
    .page-btn.ellipsis { border: none; background: none; cursor: default; min-width: 24px; color: var(--text-muted); }
    .page-info { font-size: 12px; color: var(--text-secondary); white-space: nowrap; }

    /* Select-all banner */
    .select-all-banner td { padding: 10px 16px; background: #eff6ff; border-bottom: 1px solid #dbeafe; text-align: center; font-size: 13px; color: var(--text-secondary); }
    .select-all-banner a { color: var(--accent-blue); font-weight: 600; cursor: pointer; text-decoration: none; }
    .select-all-banner a:hover { text-decoration: underline; }

    .page-size-select { padding: 7px 28px 7px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 12.5px; font-family: inherit; background: #fff; color: var(--text-secondary); cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 8px center; outline: none; transition: border-color 0.15s; }
    .page-size-select:focus { border-color: var(--accent-blue); }

    /* Action bar */
    .action-bar { display: flex; align-items: center; gap: 10px; }
    .split-btn-group { display: inline-flex; position: relative; }
    .split-btn-group .split-btn-main { border-top-right-radius: 0; border-bottom-right-radius: 0; border-right: none; }
    .split-btn-group .split-btn-arrow { border-top-left-radius: 0; border-bottom-left-radius: 0; padding: 8px 8px; min-width: 32px; border-left: 1px solid rgba(255,255,255,0.2); }
    .split-btn-group .split-btn-arrow:not(.btn-primary):not(.btn-warning) { border-left: 1px solid var(--border); }

    .split-dropdown { position: absolute; top: 100%; left: 0; z-index: 100; min-width: 240px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-md); padding: 4px 0; opacity: 0; transform: translateY(-4px); transition: opacity 0.1s ease-in, transform 0.1s ease-in; pointer-events: none; }
    .split-dropdown.open { opacity: 1; transform: translateY(4px); pointer-events: auto; transition: opacity 0.15s ease-out, transform 0.15s ease-out; }
    .split-dropdown.closing { opacity: 0; transform: translateY(-4px); transition: opacity 0.1s ease-in, transform 0.1s ease-in; pointer-events: none; }
    .split-dropdown-item { display: flex; align-items: center; gap: 8px; padding: 9px 14px; font-size: 13px; color: var(--text-primary); cursor: pointer; transition: background 0.1s; white-space: nowrap; }
    .split-dropdown-item:hover:not(.disabled) { background: #f0f4f8; }
    .split-dropdown-item.disabled { opacity: 0.4; cursor: not-allowed; }
    .dropdown-label { flex: 1; font-weight: 500; }
    .dropdown-badge { background: var(--accent-blue); color: #fff; padding: 1px 7px; border-radius: 10px; font-size: 11px; font-weight: 700; min-width: 20px; text-align: center; }
    .dropdown-shortcut { font-size: 10.5px; color: var(--text-muted); font-weight: 500; margin-left: 4px; }

    .modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.35); display: flex; align-items: center; justify-content: center; z-index: 1000; opacity: 0; transition: opacity 0.15s ease-out; }
    .modal-overlay.open { opacity: 1; }
    .modal-dialog { background: #fff; border-radius: 12px; box-shadow: 0 8px 32px rgba(0,0,0,0.18); padding: 28px 32px; min-width: 360px; max-width: 440px; transform: scale(0.95); transition: transform 0.15s ease-out; }
    .modal-overlay.open .modal-dialog { transform: scale(1); }
    .modal-title { font-size: 16px; font-weight: 700; margin-bottom: 10px; color: var(--text-primary); }
    .modal-body { font-size: 13.5px; color: var(--text-secondary); margin-bottom: 22px; line-height: 1.5; }
    .modal-actions { display: flex; justify-content: flex-end; gap: 10px; }

    .toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 2000; display: flex; flex-direction: column-reverse; gap: 8px; pointer-events: none; }
    .toast { background: #1a202c; color: #fff; padding: 12px 20px; border-radius: 8px; font-size: 13px; font-weight: 500; box-shadow: 0 4px 16px rgba(0,0,0,0.2); display: flex; align-items: center; gap: 8px; opacity: 0; transform: translateY(8px); transition: opacity 0.3s ease, transform 0.3s ease; pointer-events: auto; }
    .toast.show { opacity: 1; transform: translateY(0); }
    .toast.hide { opacity: 0; transform: translateY(8px); }
    .toast i { color: var(--accent-green); }

    .group-chk-wrap { display: inline-flex; align-items: center; margin-right: 8px; vertical-align: middle; }
    .group-chk-wrap input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent-blue); cursor: pointer; }

    .filter-panel { padding: 14px 18px; background: #f8fafc; border-bottom: 1px solid var(--border); display: flex; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
    .filter-group { display: flex; flex-direction: column; gap: 6px; }
    .filter-label { font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); }
    .filter-options { display: flex; flex-wrap: wrap; gap: 6px; }
    .filter-chip { display: inline-flex; align-items: center; gap: 5px; padding: 5px 10px; border: 1px solid var(--border); border-radius: 16px; font-size: 12px; font-weight: 500; color: var(--text-secondary); cursor: pointer; transition: all 0.15s; user-select: none; background: #fff; }
    .filter-chip:hover { border-color: var(--accent-blue); color: var(--accent-blue); }
    .filter-chip:has(input:checked) { background: #eff6ff; border-color: var(--accent-blue); color: var(--accent-blue); }
    .filter-chip input[type="checkbox"] { width: 14px; height: 14px; accent-color: var(--accent-blue); cursor: pointer; }
    .filter-actions { display: flex; align-items: flex-end; gap: 8px; margin-left: auto; align-self: flex-end; }

/* KPI section header with location pill */
.kpi-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.kpi-section-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
}

/* Clickable KPI rows */
.kpi-clickable {
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s;
  position: relative;
}
.kpi-clickable:hover {
  background: #e8f0fb !important;
}
.kpi-clickable:hover .kpi-src {
  color: var(--accent-blue);
}
.kpi-clickable.kpi-active {
  background: #dbeafe !important;
  box-shadow: inset 3px 0 0 var(--accent-blue);
}
.kpi-clickable.kpi-active .kpi-src {
  color: var(--accent-blue);
  font-weight: 700;
}
.kpi-clickable .kpi-src::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M9 18l6-6-6-6'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  margin-left: auto;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.15s;
}
.kpi-clickable:hover .kpi-src::after,
.kpi-clickable.kpi-active .kpi-src::after {
  opacity: 1;
}
.kpi-clickable.kpi-active .kpi-src::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232c6ecb' stroke-width='2'%3E%3Cpath d='M9 18l6-6-6-6'/%3E%3C/svg%3E");
}