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

:root {
  --bg:           #f5f6f8;
  --bg-elevated:  #ffffff;
  --card:         #ffffff;
  --card-hover:   #fafbfc;
  --border:       #e5e7eb;
  --border-strong:#d1d5db;
  --text:         #0f172a;
  --text-muted:   #6b7280;
  --text-dim:     #9ca3af;
  --accent:       #2563eb;
  --accent-bg:    #eff6ff;
  --purple:       #7c3aed;
  --success:      #16a34a;
  --success-bg:   #dcfce7;
  --failure:      #dc2626;
  --failure-bg:   #fee2e2;
  --warning:      #d97706;
  --warning-bg:   #fef3c7;
  --shadow-sm:    0 1px 2px rgba(15,23,42,0.04);
  --shadow:       0 1px 3px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.04);
  --radius:       8px;
  --radius-sm:    6px;
  --sans:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

[data-theme="dark"] {
  --bg:           #0b0e14;
  --bg-elevated:  #11161e;
  --card:         #131923;
  --card-hover:   #181f2b;
  --border:       #1f2937;
  --border-strong:#374151;
  --text:         #e5e7eb;
  --text-muted:   #94a3b8;
  --text-dim:     #64748b;
  --accent:       #60a5fa;
  --accent-bg:    rgba(96,165,250,0.12);
  --purple:       #a78bfa;
  --success:      #34d399;
  --success-bg:   rgba(52,211,153,0.12);
  --failure:      #f87171;
  --failure-bg:   rgba(248,113,113,0.12);
  --warning:      #fbbf24;
  --warning-bg:   rgba(251,191,36,0.12);
  --shadow-sm:    none;
  --shadow:       0 1px 3px rgba(0,0,0,0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:           #0b0e14;
    --bg-elevated:  #11161e;
    --card:         #131923;
    --card-hover:   #181f2b;
    --border:       #1f2937;
    --border-strong:#374151;
    --text:         #e5e7eb;
    --text-muted:   #94a3b8;
    --text-dim:     #64748b;
    --accent:       #60a5fa;
    --accent-bg:    rgba(96,165,250,0.12);
    --purple:       #a78bfa;
    --success:      #34d399;
    --success-bg:   rgba(52,211,153,0.12);
    --failure:      #f87171;
    --failure-bg:   rgba(248,113,113,0.12);
    --warning:      #fbbf24;
    --warning-bg:   rgba(251,191,36,0.12);
    --shadow-sm:    none;
    --shadow:       0 1px 3px rgba(0,0,0,0.4);
  }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Login ── */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 360px;
  text-align: center;
  box-shadow: var(--shadow);
}

.login-logo {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  color: #fff; font-weight: 700; font-size: 18px;
}

.login-card h1 { font-size: 20px; font-weight: 700; color: var(--text); }
.login-sub { color: var(--text-muted); margin: 6px 0 24px; font-size: 13px; }

.login-card input[type="password"] {
  display: block;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--sans);
  margin-bottom: 12px;
  outline: none;
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.15s;
}
.login-card input[type="password"]:focus { border-color: var(--accent); }

.login-card button[type="submit"] {
  display: block;
  width: 100%;
  padding: 10px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--sans);
  cursor: pointer;
  transition: opacity 0.15s;
}
.login-card button[type="submit"]:hover { opacity: 0.88; }

.error { color: var(--failure); font-size: 13px; margin-top: 10px; }
.hidden { display: none; }

/* ── Header ── */
.header {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-left { display: flex; align-items: center; gap: 12px; }
.header-logo {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 13px;
  flex-shrink: 0;
}
.header-title { font-size: 15px; font-weight: 600; color: var(--text); }
.header-badge {
  font-size: 11px; font-weight: 500;
  background: var(--accent-bg); color: var(--accent);
  border-radius: 4px; padding: 3px 8px;
}
.header-right { display: flex; align-items: center; gap: 8px; }

.icon-btn {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text-muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.12s;
  flex-shrink: 0;
}
.icon-btn:hover { background: var(--card-hover); color: var(--text); border-color: var(--border-strong); }
.icon-btn svg { pointer-events: none; }

/* ── Version banner ── */
.version-banner {
  background: var(--warning-bg);
  border-bottom: 1px solid var(--warning);
  color: var(--warning);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 32px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.version-banner.hidden { display: none; }

/* ── Main layout ── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 32px 64px;
}

.section-label {
  font-size: 12px; font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 28px 0 12px;
}
.section-label:first-child { margin-top: 0; }

/* ── KPI Cards ── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 4px;
}

@media (max-width: 900px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

.kpi-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}
.kpi-card-label {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.kpi-icon {
  width: 22px; height: 22px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}
.kpi-value {
  font-size: 30px; font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
}
.kpi-sub {
  font-size: 12px; color: var(--text-dim);
  margin-top: 5px;
}
.kpi-sub strong { color: var(--text-muted); font-weight: 500; }

/* Progress bar */
.progress-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin-top: 10px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.4s ease;
}
.fill-green  { background: var(--success); }
.fill-yellow { background: var(--warning); }
.fill-red    { background: var(--failure); }
.fill-blue   { background: var(--accent); }
.fill-purple { background: var(--purple); }

/* ROI gauge (simple bar) */
.roi-bar-track {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  margin-top: 10px;
  position: relative;
}
.roi-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.4s ease;
}
.roi-target-marker {
  position: absolute;
  top: -3px;
  width: 2px; height: 12px;
  background: var(--text-dim);
  border-radius: 1px;
}

/* Channel mini bars */
.channel-bars { margin-top: 10px; display: flex; flex-direction: column; gap: 5px; }
.channel-row { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.channel-name { width: 28px; color: var(--text-muted); flex-shrink: 0; }
.channel-bar-track { flex: 1; height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.channel-bar-fill { height: 100%; border-radius: 3px; }
.channel-pct { width: 36px; text-align: right; color: var(--text-dim); font-variant-numeric: tabular-nums; }

/* ── Chart Card ── */
.chart-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
}
.chart-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.chart-title { font-size: 14px; font-weight: 600; color: var(--text); }
.chart-legend {
  font-size: 12px; color: var(--text-muted);
  display: flex; gap: 14px;
}
.chart-legend .dot {
  display: inline-block; width: 8px; height: 8px;
  border-radius: 50%; margin-right: 5px; vertical-align: middle;
}
.bar-chart-svg { width: 100%; display: block; overflow: visible; }

/* ── Table Card ── */
.table-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.table-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border);
}
.table-title { font-size: 14px; font-weight: 600; color: var(--text); }
.search-input {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  outline: none;
  width: 200px;
  transition: border-color 0.15s;
}
.search-input:focus { border-color: var(--accent); }
.search-input::placeholder { color: var(--text-dim); }

.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table thead th {
  text-align: left;
  padding: 10px 14px;
  font-size: 11px; font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  white-space: nowrap;
}
.data-table thead th.num { text-align: right; }
.data-table tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.data-table tbody td.num { text-align: right; }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--card-hover); }
.empty-row td { text-align: center; padding: 40px; color: var(--text-dim); }

/* ROI cell colors */
.roi-green { color: var(--success); font-weight: 500; }
.roi-yellow { color: var(--warning); font-weight: 500; }
.roi-red { color: var(--failure); font-weight: 500; }

/* ── Settings Modal ── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 200;
  display: flex; align-items: flex-start; justify-content: flex-end;
  padding: 64px 24px 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}
.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}
.settings-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,0.14);
  width: 300px;
  padding: 20px;
  transform: translateY(-8px);
  transition: transform 0.15s;
}
.modal-backdrop.open .settings-panel {
  transform: translateY(0);
}
.settings-title {
  font-size: 13px; font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.settings-row {
  display: flex; flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
}
.settings-label {
  font-size: 11px; font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.settings-value {
  font-size: 12px; color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.version-select {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  outline: none;
  cursor: pointer;
}
.version-select:focus { border-color: var(--accent); }

.btn-upload {
  display: block; width: 100%;
  padding: 8px 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  font-family: var(--sans);
  cursor: pointer;
  text-align: center;
  transition: opacity 0.15s;
  margin-bottom: 8px;
}
.btn-upload:hover { opacity: 0.88; }

.btn-logout {
  display: block; width: 100%;
  padding: 8px 14px;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--sans);
  cursor: pointer;
  text-align: center;
  transition: all 0.12s;
}
.btn-logout:hover { background: var(--failure-bg); color: var(--failure); border-color: var(--failure); }

.upload-status {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
  min-height: 16px;
}
.upload-status.ok { color: var(--success); }
.upload-status.err { color: var(--failure); }

/* ── Data status ── */
#dataStatus {
  color: var(--text-dim);
  font-size: 13px;
  text-align: center;
  padding: 40px 0;
}

/* ── Chip filter bar ── */
.chip-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.chip-wrap {
  position: relative;
}

/* Base chip button */
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px dashed #cdd5df;
  border-radius: 999px;
  padding: 5px 12px;
  background: #fff;
  color: #4a5568;
  font-size: 12px;
  font-weight: 500;
  font-family: var(--sans);
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.12s, color 0.12s, background 0.12s, box-shadow 0.12s;
  line-height: 1.4;
}

[data-theme="dark"] .filter-chip,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .filter-chip {
    background: var(--card);
    color: var(--text-muted);
    border-color: var(--border-strong);
  }
}

.filter-chip:hover {
  border-color: #2563eb;
  color: #1d4ed8;
  background: #f4f8ff;
}
.filter-chip:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

/* Active chip (has a value set) */
.filter-chip.chip-active {
  border: 1px solid #2563eb;
  background: #dbe8ff;
  color: #1d4ed8;
  font-weight: 600;
}

.chip-arrow {
  font-size: 10px;
  opacity: 0.7;
  letter-spacing: -1px;
}

.chip-clear {
  font-size: 14px;
  font-weight: 400;
  color: #1d4ed8;
  line-height: 1;
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.1s;
  margin-left: -2px;
}
.chip-clear:hover { opacity: 1; }

/* Dark mode chip adjustments */
[data-theme="dark"] .filter-chip {
  background: var(--card);
  color: var(--text-muted);
  border-color: var(--border-strong);
}
[data-theme="dark"] .filter-chip:hover {
  background: var(--card-hover);
  color: var(--accent);
  border-color: var(--accent);
}
[data-theme="dark"] .filter-chip.chip-active {
  background: var(--accent-bg);
  color: var(--accent);
  border-color: var(--accent);
}
[data-theme="dark"] .chip-clear { color: var(--accent); }

/* ── Chip dropdown ── */
.chip-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  z-index: 300;
  background: var(--card);
  border: 1px solid #e3e8ef;
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(15,23,42,0.14);
  min-width: 140px;
  overflow: hidden;
  display: none;
  animation: chipDropIn 0.12s ease-out;
}
.chip-dropdown.open { display: block; }

@keyframes chipDropIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.chip-option {
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  transition: background 0.1s;
  white-space: nowrap;
}
.chip-option:hover { background: #f0f4f9; }
.chip-option.selected {
  background: #f0f6ff;
  color: #1d4ed8;
  font-weight: 500;
}

[data-theme="dark"] .chip-option:hover { background: var(--card-hover); }
[data-theme="dark"] .chip-option.selected { background: var(--accent-bg); color: var(--accent); }

/* ── SKU multi-select panel ── */
.sku-panel {
  min-width: 280px;
  max-height: 340px;
  overflow-y: auto;
  display: none;
  flex-direction: column;
}
.sku-panel.open { display: flex; }

/* custom scrollbar */
.sku-panel::-webkit-scrollbar { width: 4px; }
.sku-panel::-webkit-scrollbar-track { background: transparent; }
.sku-panel::-webkit-scrollbar-thumb { background: #94a3b87a; border-radius: 999px; }

.sku-search-wrap {
  position: relative;
  padding: 8px 10px 6px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sku-search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
  margin-top: 1px;
}

.sku-search-input {
  width: 100%;
  padding: 6px 10px 6px 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: border-color 0.12s;
}
.sku-search-input:focus { border-color: #2563eb; }
.sku-search-input::placeholder { color: var(--text-dim); }

.sku-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}
.sku-list::-webkit-scrollbar { width: 4px; }
.sku-list::-webkit-scrollbar-thumb { background: #94a3b87a; border-radius: 999px; }

.sku-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  cursor: pointer;
  border-radius: 6px;
  margin: 0 4px;
  transition: background 0.1s;
  user-select: none;
}
.sku-item:hover { background: #f0f4f9; }
.sku-item.checked { background: #f0f6ff; }

[data-theme="dark"] .sku-item:hover { background: var(--card-hover); }
[data-theme="dark"] .sku-item.checked { background: var(--accent-bg); }

.sku-checkbox {
  width: 14px; height: 14px;
  border: 1.5px solid #cdd5df;
  border-radius: 3px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.1s, border-color 0.1s;
}
.sku-checkbox-checked {
  background: #2563eb;
  border-color: #2563eb;
}
.sku-checkbox-checked::after {
  content: "✓";
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
}

.sku-item-label {
  font-size: 13px;
  color: var(--text);
  line-height: 1.3;
  flex: 1;
}
.sku-item-label mark {
  background: #fef3c7;
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
}

.sku-footer {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.sku-footer-btn {
  background: none;
  border: none;
  font-size: 12px;
  color: var(--accent);
  cursor: pointer;
  font-family: var(--sans);
  padding: 2px 0;
  transition: opacity 0.1s;
}
.sku-footer-btn:hover { opacity: 0.75; }
.sku-footer-divider {
  color: var(--border-strong);
  font-size: 12px;
}

/* ── Table scroll wrap + sticky col ── */
.table-scroll-wrap {
  overflow-x: auto;
}

/* Sticky first column */
.data-table .sticky-col {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--bg);        /* thead bg */
  border-right: 1px solid var(--border);
}
.data-table tbody td.sticky-col {
  background: var(--card);
  z-index: 1;
}
.data-table tbody tr:hover td.sticky-col {
  background: var(--card-hover);
}
/* Odd row parity preserved via inherited bg */

/* Shadow on scroll */
.is-scrolled .sticky-col {
  box-shadow: 2px 0 6px rgba(15,23,42,0.08);
}

/* ── Sortable headers ── */
.data-table th.sortable {
  cursor: pointer;
  user-select: none;
  transition: background 0.12s, color 0.12s;
}
.data-table th.sortable:hover {
  background: #eef2f7;
  color: #2563eb;
}
.data-table th.sortable:hover .sort-icon {
  opacity: 1;
  color: #2563eb;
}
.data-table th.sortable.sort-active {
  background: #dbe8ff;
  color: #1d4ed8;
  font-weight: 700;
}
.data-table th.sortable.sort-active .sort-icon {
  opacity: 1;
  color: #2563eb;
}

[data-theme="dark"] .data-table th.sortable:hover {
  background: var(--card-hover);
  color: var(--accent);
}
[data-theme="dark"] .data-table th.sortable.sort-active {
  background: var(--accent-bg);
  color: var(--accent);
}

.sort-icon {
  font-size: 10px;
  opacity: 0.4;
  margin-left: 4px;
  transition: opacity 0.12s, color 0.12s;
  display: inline-block;
}

/* ── Workbench layout ── */
.workbench {
  display: grid;
  grid-template-columns: 1.55fr 0.85fr;
  gap: 12px;
}

@media (max-width: 900px) {
  .workbench { grid-template-columns: 1fr; }
}

/* ── Category share list ── */
.share-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 4px;
}

.share-row {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: default;
}

.share-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  width: 80px;
  flex-shrink: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.share-track {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.share-fill {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.share-value {
  font-size: 12px;
  color: var(--text-muted);
  width: 42px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ── Metric toggle ── */
.metric-toggle {
  display: flex;
  gap: 2px;
}

.toggle-btn {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
  font-family: var(--sans);
  cursor: pointer;
  transition: all 0.12s;
}
.toggle-btn:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.toggle-btn:last-child  { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.toggle-btn.is-active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.toggle-btn:hover:not(.is-active) { background: var(--card-hover); color: var(--text); }

/* ── Rate coloring ── */
.rate-over  { color: var(--failure); font-weight: 500; }
.rate-watch { color: var(--warning); font-weight: 500; }

/* ── SKU name ── */
.sku-name {
  max-width: 220px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── KPI purple bg ── */
:root { --purple-bg: rgba(124,58,237,0.08); }
[data-theme="dark"] { --purple-bg: rgba(167,139,250,0.12); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --purple-bg: rgba(167,139,250,0.12); }
}