:root {
  --bg-page: #f3f4f6;
  --bg-surface: #ffffff;
  --bg-surface-muted: #f9fafb;
  --border-subtle: #e5e7eb;
  --border-strong: #d1d5db;
  --text-main: #0f172a;
  --text-muted: #6b7280;
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --danger: #ef4444;
  --radius-xl: 14px;
  --radius-lg: 12px;
  --shadow-soft: 0 14px 30px rgba(15, 23, 42, 0.12);
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  background: var(--bg-page);
  color: var(--text-main);
}

body {
  min-height: 100vh;
}

.page {
  max-width: 1440px;
  margin: 0 auto;
  padding: 18px 20px 40px;
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 4px 18px;
}

.top-nav__left {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.top-nav__brand {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: 14px;
  min-width: 0;
  max-width: 100%;
  text-decoration: none;
  color: inherit;
}

.top-nav__brand:hover,
.top-nav__brand:visited {
  color: inherit;
  text-decoration: none;
}

/* Core app (default): blue orb + Command Center */
.top-nav__logo-circle {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 10%, #3b82f6, #1d4ed8);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
}

.top-nav__brand--core .top-nav__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
}

.top-nav__brand--core .top-nav__subtitle {
  margin-top: 2px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Demo / marketing-style: grid mark + Control Center */
.top-nav__mark {
  flex: 0 0 auto;
  flex-shrink: 0;
  display: flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: #0f172a;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  outline: 1px solid rgba(0, 0, 0, 0.05);
  overflow: hidden;
  line-height: 0;
}

/* Size any mark SVG — custom files often omit class or use a typo (e.g. top_nav vs top-nav). */
.top-nav__mark > svg,
.top-nav__mark-svg,
.top_nav__mark-svg {
  display: block;
  width: 34px;
  height: 34px;
  max-width: 100%;
  max-height: 100%;
  flex-shrink: 0;
}

.top-nav__brand-text {
  min-width: 0;
  line-height: 1.25;
}

.top-nav__brand--demo .top-nav__title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #0f172a;
}

.top-nav__brand--demo .top-nav__title-strong {
  font-weight: 900;
}

.top-nav__brand--demo .top-nav__title-plain {
  font-weight: 700;
}

.top-nav__brand--demo .top-nav__subtitle {
  margin-top: 2px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: #64748b;
}

.top-nav__right {
  text-align: right;
}

.top-nav__meta-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.top-nav__meta-value {
  font-size: 0.85rem;
}

.metrics-row {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.metric-card {
  border-radius: 14px;
  padding: 10px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
}

.metric-card--warn {
  background: #fffbeb;
  border-color: #facc15;
}

.metric-card--danger {
  background: #fef2f2;
  border-color: #f97373;
}

.metric-card__label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.metric-card__value {
  font-size: 1.1rem;
  font-weight: 600;
}

.tabs {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  border-radius: 999px;
  padding: 4px;
  background: var(--bg-surface-muted);
  border: 1px solid var(--border-subtle);
  margin-bottom: 8px;
}

.tabs__item {
  border: none;
  background: transparent;
  border-radius: 999px;
  padding: 6px 14px;
  display: inline-flex;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: none;
}

.tabs__item--active {
  background: #eef2ff;
  color: #1d4ed8;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.page-header__title h1 {
  margin: 0 0 4px;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
}

.page-header__subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.page-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

button {
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: inherit;
  background: radial-gradient(circle at top left, #1e293b 0, #020617 60%);
  color: var(--text-main);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.08s ease,
    background 0.15s ease;
}

button:hover {
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.45), 0 18px 45px rgba(15, 23, 42, 0.8);
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
  box-shadow: none;
}

.page-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.panel {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel--muted {
  background: var(--bg-surface-muted);
}

.panel__header {
  padding: 14px 18px 10px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel__header h2 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #4b5563;
}

.panel__body {
  padding: 12px 16px 14px;
}

.panel__toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 220px;
}

.field__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.field__input {
  border-radius: 999px;
  padding: 7px 12px;
  border: 1px solid #d1d5db;
  background: #ffffff;
  color: var(--text-main);
  font-size: 0.85rem;
  font-family: inherit;
  outline: none;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    background 0.15s ease;
}

.field__input::placeholder {
  color: rgba(148, 163, 184, 0.9);
}

.field__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
  background: #ffffff;
}

.table-wrapper {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  overflow: hidden;
}

.table-wrapper--inventory {
  margin-top: 8px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.table thead {
  background: var(--bg-surface-muted);
}

.table th,
.table td {
  padding: 7px 10px;
  text-align: left;
  white-space: nowrap;
}

.item-name-cell {
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.table th {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #9ca3af;
  border-bottom: 1px solid var(--border-subtle);
}

.table tbody tr:nth-child(even) {
  background: #ffffff;
}

.table tbody tr:nth-child(odd) {
  background: #f9fafb;
}

.table tbody tr:hover {
  background: #eef2ff;
}

.inventory-row {
  cursor: pointer;
}

.inventory-details-row {
  display: none;
  background: #f9fafb;
}

.inventory-row.is-expanded + .inventory-details-row {
  display: table-row;
}

.inventory-details {
  padding: 10px 12px 12px;
  background: #f9fafb;
  border-top: 1px solid #e5e7eb;
}

.inventory-details__heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.inventory-details__title {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #6b7280;
}

.inventory-details__count {
  font-size: 0.78rem;
  color: #4b5563;
}

.inventory-details__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.inventory-details__item {
  padding: 6px 8px;
  border-radius: 10px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
}

.inventory-details__primary {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  margin-bottom: 2px;
}

.inventory-details__po {
  font-weight: 600;
}

.inventory-details__qty {
  color: #2563eb;
}

.inventory-details__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.75rem;
  color: #6b7280;
}

.inventory-details__no-incoming {
  font-size: 0.8rem;
  color: #9ca3af;
  margin-bottom: 8px;
}

.inventory-details__locations {
  margin-top: 6px;
}

.inventory-details__locations-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #6b7280;
  margin-bottom: 6px;
}

.location-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.location-chip {
  border-radius: 999px;
  border: 1px solid #e5e7eb;
  background: #f9fafb;
  padding: 4px 10px;
  font-size: 0.78rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: default;
}

.location-chip--active {
  border-color: #2563eb;
  background: #eff6ff;
}

.location-chip__label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.location-chip__value {
  font-weight: 600;
}

.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tag--good {
  background: #ecfdf3;
  color: #16a34a;
  border: 1px solid #bbf7d0;
}

.tag--warn {
  background: #fffbeb;
  color: #d97706;
  border: 1px solid #fde68a;
}

.tag--danger {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.pill {
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  border: 1px solid #e5e7eb;
  background: #f9fafb;
}

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

.numeric {
  text-align: right;
}

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

.positive-text {
  color: #16a34a;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.status-pill--ok {
  background: #ecfdf3;
  color: #16a34a;
}

.status-pill--low {
  background: #fffbeb;
  color: #d97706;
}

.status-pill--out,
.status-pill--negative {
  background: #fef2f2;
  color: #b91c1c;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  display: inline-block;
  margin-right: 4px;
}

.status-dot--ok {
  background: #4ade80;
}

.status-dot--warn {
  background: #facc15;
}

.status-dot--danger {
  background: #f97373;
}

/* Incoming POs cards */

.po-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.po-card {
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
  overflow: hidden;
  cursor: pointer;
}

.po-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 12px 16px;
  border-left: 4px solid #3b82f6;
}

.po-card__left {
  min-width: 0;
}

.po-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.po-card__subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.po-card__right {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-end;
}

.po-card__meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.po-card__body {
  display: none;
  padding: 0 0 10px;
}

.po-card--open .po-card__body {
  display: block;
}

.po-card__table-wrapper {
  border-radius: 0;
  box-shadow: none;
}

.po-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid #e5e7eb;
  background: #f9fafb;
  font-size: 0.75rem;
}

.po-chip--pill {
  background: #eff6ff;
  border-color: #dbeafe;
}

.po-chip--muted {
  background: #f9fafb;
  border-style: dashed;
}

.po-chip__label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #9ca3af;
  font-size: 0.68rem;
}

.po-chip__value {
  font-weight: 600;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.78rem;
  padding: 2px 4px;
  border-radius: 4px;
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
}

/* Order Management expandable rows */

.so-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 16px;
}

.so-filters {
  display: flex;
  gap: 6px;
  margin-left: auto;
}

.so-filter {
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 500;
  background: var(--bg-surface);
  color: var(--text-muted);
  cursor: pointer;
  font-family: inherit;
}

.so-filter:hover {
  background: var(--bg-surface-muted);
  color: var(--text-main);
}

.so-filter--active {
  background: #eef2ff;
  color: #1d4ed8;
  border-color: #93c5fd;
}

.so-count-display {
  margin: 0 0 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.so-table-wrapper {
  margin-top: 12px;
}

.so-row {
  cursor: pointer;
}

.so-row__expand {
  width: 36px;
  padding: 10px !important;
}

.so-expand-btn {
  background: transparent !important;
  border: none !important;
  padding: 4px;
  cursor: pointer;
  color: var(--text-muted);
  margin: 0;
  box-shadow: none !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.so-expand-btn:hover {
  color: var(--accent);
  box-shadow: none !important;
  transform: none;
}

.so-expand-icon {
  font-size: 0.85rem;
  line-height: 1;
  display: inline-block;
}

.so-link {
  color: #2563eb;
  text-decoration: none;
  font-weight: 600;
}

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

.so-details-row {
  display: none;
  background: #f9fafb;
}

.so-row.is-expanded + .so-details-row {
  display: table-row;
}

.so-details {
  padding: 16px 20px 20px;
  border-top: 1px solid #e5e7eb;
}

.so-details__header {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.so-details__meta {
  color: var(--text-muted);
}

.so-details__meta .so-link {
  color: #2563eb;
}

.so-details__section {
  margin-bottom: 16px;
}

.so-details__heading {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #6b7280;
  margin: 0 0 10px;
}

.so-details__icon {
  font-size: 1rem;
}

.so-details__sub {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: #9ca3af;
  margin-left: 4px;
}

.so-alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.85rem;
  margin-top: 12px;
}

.so-alert__icon {
  font-size: 1.1rem;
}

.so-alert--success {
  background: #ecfdf3;
  border: 1px solid #bbf7d0;
  color: #166534;
}

.so-alert--danger {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
}

.so-alert--warn {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #b45309;
}

.so-incoming-card {
  padding: 12px 14px;
  border-radius: 10px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  margin-bottom: 10px;
}

.so-incoming-card:last-child {
  margin-bottom: 0;
}

.so-incoming-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.so-incoming-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.so-incoming-card__qty {
  color: #2563eb;
  font-weight: 600;
}

/* Forecasting */

.forecast-row {
  cursor: pointer;
}

.forecast-details-row {
  display: none;
  background: #f9fafb;
}

.forecast-row.is-expanded + .forecast-details-row {
  display: table-row;
}

.forecast-detail-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.forecast-detail-card {
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  background: #ffffff;
  padding: 10px 12px;
}

.forecast-metric-line {
  font-size: 0.82rem;
  color: #4b5563;
  margin-top: 4px;
}

@media (max-width: 1024px) {
  .page-main {
    grid-template-columns: minmax(0, 1fr);
  }

  .metrics-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (max-width: 640px) {
  .page {
    padding-inline: 14px;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .panel__body {
    padding-inline: 10px;
  }

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

  .table-wrapper {
    border-radius: 10px;
  }

  .forecast-detail-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}