:root {
  --resource-bg: #f5f7fb;
  --resource-card-bg: #ffffff;
  --resource-text: #1f2937;
  --resource-muted: #64748b;
  --resource-border: #dbe4ef;
  --resource-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
  --resource-shadow-md: 0 8px 22px rgba(15, 23, 42, 0.1);
  --resource-primary: #2563eb;
  --resource-primary-dark: #1d4ed8;

  --status-prd: #22c55e;
  --status-sby: #3b82f6;
  --status-udt: #ef4444;
  --status-sdt: #f59e0b;
  --status-egt: #8b5cf6;
  --status-nst: #64748b;
  --status-other: #94a3b8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Microsoft JhengHei', 'PingFang TC', 'Noto Sans TC', sans-serif;
  background: var(--resource-bg);
  color: var(--resource-text);
}

.resource-page {
  min-height: 100vh;
  padding: 16px;
}

.dashboard {
  max-width: 1800px;
  margin: 0 auto;
}

.header-gradient {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 20px;
  border-radius: 12px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  box-shadow: var(--resource-shadow-md);
}

.header-gradient h1 {
  margin: 0;
  color: #ffffff;
  font-size: 24px;
  letter-spacing: 0.2px;
}

.section-card {
  background: var(--resource-card-bg);
  border: 1px solid var(--resource-border);
  border-radius: 10px;
  box-shadow: var(--resource-shadow);
  margin-bottom: 16px;
}

.section-inner {
  padding: 14px 16px;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.section-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.section-actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
}

.btn,
.btn-sm {
  border: 1px solid var(--resource-border);
  border-radius: 6px;
  background: #f8fafc;
  color: var(--resource-text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn {
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn:hover,
.btn-sm:hover {
  border-color: #c2d0e0;
  background: #eef4fb;
}

.btn:disabled,
.btn-sm:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.btn-primary {
  background: var(--resource-primary);
  border-color: var(--resource-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--resource-primary-dark);
  border-color: var(--resource-primary-dark);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}

.summary-card {
  position: relative;
  border: 1px solid var(--resource-border);
  border-radius: 10px;
  padding: 12px 10px;
  background: var(--resource-card-bg);
  text-align: center;
  box-shadow: var(--resource-shadow);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.summary-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--resource-primary);
}

.summary-card.clickable {
  cursor: pointer;
}

.summary-card.clickable:hover {
  transform: translateY(-1px);
  box-shadow: 0 7px 16px rgba(37, 99, 235, 0.12);
}

.summary-card.active {
  border-color: #93c5fd;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.summary-label {
  font-size: 12px;
  color: var(--resource-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 3px;
}

.summary-value {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
}

.summary-sub {
  margin-top: 4px;
  font-size: 12px;
  color: var(--resource-muted);
}

.summary-card.prd::before { background: var(--status-prd); }
.summary-card.prd .summary-value { color: var(--status-prd); }

.summary-card.sby::before { background: var(--status-sby); }
.summary-card.sby .summary-value { color: var(--status-sby); }

.summary-card.udt::before { background: var(--status-udt); }
.summary-card.udt .summary-value { color: var(--status-udt); }

.summary-card.sdt::before { background: var(--status-sdt); }
.summary-card.sdt .summary-value { color: var(--status-sdt); }

.summary-card.egt::before { background: var(--status-egt); }
.summary-card.egt .summary-value { color: var(--status-egt); }

.summary-card.nst::before { background: var(--status-nst); }
.summary-card.nst .summary-value { color: var(--status-nst); }

.summary-card.other::before { background: var(--status-other); }
.summary-card.other .summary-value { color: var(--status-other); }

.summary-card.ou::before { background: var(--resource-primary); }
.summary-card.availability::before { background: #22c55e; }
.summary-card.total::before { background: var(--resource-muted); }

.filter-indicator {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  margin-bottom: 12px;
  border-radius: 8px;
  border: 1px solid #bfdbfe;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 13px;
}

.filter-indicator.active {
  display: flex;
}

.filter-indicator .filter-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.table-tree-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-bottom: 10px;
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.matrix-table th,
.matrix-table td {
  border: 1px solid var(--resource-border);
  padding: 8px 6px;
  text-align: center;
  vertical-align: middle;
}

.matrix-table th {
  background: #f8fafc;
  color: #334155;
  font-weight: 700;
  white-space: nowrap;
}

.matrix-table th:first-child,
.matrix-table td:first-child {
  text-align: left;
  min-width: 280px;
}

.matrix-table tbody tr:hover {
  background: #f8fbff;
}

.matrix-table .col-total {
  color: #1f2937;
  font-weight: 600;
}

.matrix-table .col-prd {
  color: var(--status-prd);
}

.matrix-table .col-sby {
  color: var(--status-sby);
}

.matrix-table .col-udt {
  color: var(--status-udt);
}

.matrix-table .col-sdt {
  color: var(--status-sdt);
}

.matrix-table .col-egt {
  color: var(--status-egt);
}

.matrix-table .col-nst {
  color: var(--status-nst);
}

.matrix-table .col-other {
  color: var(--status-other);
}

.matrix-table .zero {
  color: #cbd5e1;
}

.matrix-table td.clickable {
  cursor: pointer;
  font-weight: 700;
  transition: all 0.18s ease;
}

.matrix-table td.clickable:hover {
  background: #eff6ff;
}

.matrix-table td.clickable.selected,
.matrix-table tr.clickable-row.selected {
  background: #dbeafe;
  box-shadow: inset 0 0 0 2px #60a5fa;
}

.matrix-table tr.clickable-row {
  cursor: pointer;
}

.row-level-0 {
  background: #f8fafc;
  font-weight: 700;
}

.row-level-1 {
  background: #f9fbfd;
}

.row-level-2 {
  background: #ffffff;
}

.row-name {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 20px;
}

.expand-btn {
  width: 18px;
  height: 18px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  background: #ffffff;
  color: #64748b;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  line-height: 1;
  transition: all 0.18s ease;
  transform: rotate(0deg);
}

.expand-btn:hover {
  background: #eff6ff;
  border-color: #93c5fd;
}

.expand-btn.expanded {
  transform: rotate(90deg);
  color: #2563eb;
}

.expand-placeholder {
  display: inline-block;
  width: 18px;
  height: 18px;
}

.indent-1 td:first-child {
  padding-left: 28px;
}

.indent-2 td:first-child {
  padding-left: 50px;
}

.ou-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

.ou-badge.high {
  color: #166534;
  background: #dcfce7;
}

.ou-badge.medium {
  color: #92400e;
  background: #fef3c7;
}

.ou-badge.low {
  color: #991b1b;
  background: #fee2e2;
}

.summary-card .ou-badge {
  font-size: 24px;
  min-width: auto;
  padding: 4px 16px;
}

.eq-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  color: #ffffff;
}

.eq-status.prd,
.eq-status.productive {
  background: var(--status-prd);
}

.eq-status.sby,
.eq-status.standby {
  background: var(--status-sby);
}

.eq-status.udt,
.eq-status.down {
  background: var(--status-udt);
}

.eq-status.sdt {
  background: var(--status-sdt);
}

.eq-status.egt,
.eq-status.engineering {
  background: var(--status-egt);
}

.eq-status.nst,
.eq-status.not_scheduled {
  background: var(--status-nst);
}

.eq-status.other,
.eq-status.unknown,
.eq-status.inactive {
  background: var(--status-other);
}

.empty-state {
  padding: 36px 20px;
  text-align: center;
  color: var(--resource-muted);
}

.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.28);
}

.loading-overlay.hidden {
  display: none;
}

.loading-spinner {
  width: 42px;
  height: 42px;
  border: 4px solid #e2e8f0;
  border-top-color: var(--resource-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.error-banner {
  padding: 10px 12px;
  border: 1px solid #fecaca;
  border-radius: 8px;
  background: #fef2f2;
  color: #b91c1c;
  font-size: 13px;
  margin-bottom: 12px;
}

@media (max-width: 980px) {
  .resource-page {
    padding: 12px;
  }

  .header-gradient h1 {
    font-size: 20px;
  }
}

/* ---- MultiSelect component ---- */

.multi-select {
  position: relative;
  min-width: 200px;
}

.multi-select-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid var(--resource-border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 13px;
  color: #1f2937;
  background: #ffffff;
  cursor: pointer;
}

.multi-select-trigger:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.multi-select-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: left;
}

.multi-select-arrow {
  color: #64748b;
  font-size: 11px;
}

.multi-select-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 20;
  border: 1px solid var(--resource-border);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.14);
  overflow: hidden;
}

.multi-select-search {
  display: block;
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--resource-border);
  padding: 8px 12px;
  font-size: 13px;
  color: #1f2937;
  outline: none;
  background: #f8fafc;
}

.multi-select-search::placeholder {
  color: #94a3b8;
}

.multi-select-options {
  max-height: 250px;
  overflow-y: auto;
  padding: 8px 0;
}

.multi-select-option {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 12px;
  border: none;
  background: transparent;
  font-size: 13px;
  color: #334155;
  cursor: pointer;
  text-align: left;
}

.multi-select-option:hover {
  background: #f8fafc;
}

.multi-select-option input[type='checkbox'] {
  margin: 0;
  accent-color: #2563eb;
}

.multi-select-empty {
  padding: 12px;
  text-align: center;
  color: #94a3b8;
  font-size: 13px;
}

.multi-select-actions {
  display: flex;
  gap: 8px;
  padding: 8px 10px;
  border-top: 1px solid var(--resource-border);
  background: #f8fafc;
}

@media (max-width: 640px) {
  .matrix-table th:first-child,
  .matrix-table td:first-child {
    min-width: 220px;
  }

  .multi-select {
    min-width: 150px;
  }
}