:root {
  --bg: #f6f6f7;
  --surface: #ffffff;
  --surface-subtle: #fafafa;
  --border: #e3e3e3;
  --border-strong: #d1d1d1;

  --text: #1a1a1a;
  --text-muted: #616161;
  --text-soft: #8a8a8a;

  --primary: #303030;
  --primary-hover: #1f1f1f;
  --primary-text: #ffffff;

  --success-bg: #ecfdf3;
  --success-text: #067647;

  --warning-bg: #fff8e1;
  --warning-text: #8a6116;

  --danger-bg: #fff1f1;
  --danger-text: #b42318;

  --shadow-sm:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 1px 3px rgba(0, 0, 0, 0.06);

  --shadow-md:
    0 6px 18px rgba(0, 0, 0, 0.06);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

.app-shell {
  min-height: 100vh;
}

.content {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}

.topbar-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 720;
}

h2 {
  margin-bottom: 4px;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.subtitle,
.panel-description {
  margin-bottom: 0;
  color: var(--text-muted);
}

.subtitle {
  max-width: 650px;
  font-size: 15px;
}

.primary {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 8px 14px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--primary-text);
  font-weight: 650;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition:
    background 140ms ease,
    border-color 140ms ease,
    transform 140ms ease,
    box-shadow 140ms ease;
}

.primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  box-shadow: var(--shadow-md);
}

.primary:active {
  transform: translateY(1px);
}

.primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.sync-section {
  margin-bottom: 24px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.sync-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.sync-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 650;
}

.sync-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #6b7280;
}

.shop-domain {
  color: var(--text-muted);
}

.sync-error {
  margin-top: 6px;
  color: var(--danger-text);
  font-size: 13px;
}

.sync-error:empty {
  display: none;
}

.cards {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.card {
  min-width: 0;
  min-height: 118px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition:
    transform 140ms ease,
    box-shadow 140ms ease,
    border-color 140ms ease;
}

.card:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.card-label {
  display: block;
  margin-bottom: 16px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
}

.card-value {
  display: block;
  overflow: hidden;
  color: var(--text);
  font-size: 30px;
  line-height: 1;
  font-weight: 730;
  letter-spacing: -0.03em;
  text-overflow: ellipsis;
}

.card.warning {
  background:
    linear-gradient(
      180deg,
      var(--warning-bg) 0%,
      var(--surface) 76%
    );
}

.card.warning .card-value {
  color: var(--warning-text);
}

.card.danger {
  background:
    linear-gradient(
      180deg,
      var(--danger-bg) 0%,
      var(--surface) 76%
    );
}

.card.danger .card-value {
  color: var(--danger-text);
}

.panel {
  overflow: hidden;
  margin-bottom: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.panel:last-child {
  margin-bottom: 0;
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--border);
}

.panel-description {
  font-size: 13px;
}

.secondary-link {
  flex: 0 0 auto;
  padding-top: 2px;
  color: #005bd3;
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.secondary-link:hover {
  text-decoration: underline;
}

/* Inventory alerts summary */

#inventory-alerts .cards {
  grid-template-columns:
    repeat(2, minmax(0, 220px));
  gap: 14px;
  margin: 0;
  padding: 18px 22px;
}

#inventory-alerts .card {
  min-height: 96px;
  padding: 16px;
}

#inventory-alerts .card-label {
  margin-bottom: 12px;
}

#inventory-alerts .card-value {
  font-size: 28px;
}

#inventory-alerts .empty-state {
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.table-wrapper {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
}

thead {
  background: var(--surface-subtle);
}

th,
td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

th {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

td {
  color: var(--text);
  font-size: 13px;
}

tbody tr {
  transition: background 120ms ease;
}

tbody tr:hover {
  background: #fafafa;
}

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

#recommendations-loading-row td {
  padding: 28px 18px;
  color: var(--text-muted);
  text-align: center;
}

.empty-state {
  padding: 42px 24px;
  text-align: center;
}

.empty-state strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
}

.empty-state p {
  margin-bottom: 0;
  color: var(--text-muted);
}

.training-panel {
  padding: 20px 22px;
}

.training-panel .panel-header {
  padding: 0 0 18px;
}

.training-status-layout {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-subtle);
}

.training-status-badge {
  flex: 0 0 auto;
  padding: 5px 10px;
  border-radius: 999px;
  background: #eef1f4;
  color: #4b5563;
  font-size: 12px;
  font-weight: 700;
}

.training-status-badge.status-queued {
  background: var(--warning-bg);
  color: var(--warning-text);
}

.training-status-badge.status-running {
  background: #eef8ff;
  color: #0b5cab;
}

.training-status-badge.status-completed {
  background: var(--success-bg);
  color: var(--success-text);
}

.training-status-badge.status-failed {
  background: var(--danger-bg);
  color: var(--danger-text);
}

.training-status-copy {
  min-width: 0;
}

.training-status-copy strong {
  display: block;
  margin-bottom: 5px;
}

.training-status-copy p {
  margin: 0;
  color: var(--text-muted);
}

.training-status-meta {
  margin-top: 8px !important;
  font-size: 12px;
}

.training-status-error {
  margin: 12px 0 0;
  color: var(--danger-text);
  font-size: 13px;
}

@media (max-width: 1100px) {
  .cards {
    grid-template-columns:
      repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .content {
    width: min(100% - 20px, 1280px);
    padding-top: 20px;
  }

  .topbar {
    flex-direction: column;
  }

  .primary {
    width: 100%;
  }

  .cards {
    grid-template-columns:
      repeat(2, minmax(0, 1fr));
  }

  .panel-header {
    flex-direction: column;
  }

  .secondary-link {
    padding-top: 0;
  }

  #inventory-alerts .cards {
    grid-template-columns:
      repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .training-status-layout {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .cards {
    grid-template-columns: 1fr;
  }

  #inventory-alerts .cards {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 28px;
  }

  .card {
    min-height: 102px;
  }

  .card-value {
    font-size: 26px;
  }
}