:root {
  --admin-grid-gap: 20px;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--bg-body, #050508);
  color: var(--text-primary, #f1f5f9);
  font-family: 'Noto Sans SC', 'Sora', sans-serif;
}

.admin-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 32px;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.admin-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0;
  background: linear-gradient(135deg, var(--primary, #6366f1), var(--accent, #06b6d4));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.admin-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-controls input[type="date"] {
  background: var(--glass-bg, rgba(30, 41, 59, 0.7));
  border: 1px solid var(--glass-border, rgba(148, 163, 184, 0.1));
  color: var(--text-primary, #f1f5f9);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-family: inherit;
}

.admin-controls input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.8);
}

.btn-refresh {
  background: var(--primary, #6366f1);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.875rem;
  font-family: inherit;
  transition: opacity 0.2s;
}

.btn-refresh:hover {
  opacity: 0.85;
}

.btn-refresh:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.admin-nav-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.back-link {
  color: var(--text-secondary, #94a3b8);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.back-link:hover {
  color: var(--text-primary, #f1f5f9);
}

.admin-home {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 360px));
  gap: var(--admin-grid-gap);
}

.admin-action-card {
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: 16px;
  min-height: 116px;
  padding: 22px 24px;
  color: var(--text-primary, #f1f5f9);
  text-decoration: none;
  background: var(--glass-bg, rgba(30, 41, 59, 0.7));
  border: 1px solid var(--glass-border, rgba(148, 163, 184, 0.1));
  border-radius: 12px;
  backdrop-filter: blur(12px);
  transition: border-color 0.2s, transform 0.2s;
}

.admin-action-card:hover {
  border-color: rgba(99, 102, 241, 0.45);
  transform: translateY(-1px);
}

.admin-action-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 10px;
  color: #fff;
  background: var(--primary, #6366f1);
  font-size: 1.4rem;
  line-height: 1;
}

.admin-action-card h2 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 600;
}

.admin-action-card p {
  margin: 0;
  color: var(--text-secondary, #94a3b8);
  font-size: 0.86rem;
  line-height: 1.5;
}

.credits-admin-panel {
  display: grid;
  gap: var(--admin-grid-gap);
}

.credits-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.credits-search {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 280px;
}

.credits-search input,
.credit-adjust-form input {
  background: var(--glass-bg, rgba(30, 41, 59, 0.7));
  border: 1px solid var(--glass-border, rgba(148, 163, 184, 0.1));
  color: var(--text-primary, #f1f5f9);
  border-radius: 8px;
  font-family: inherit;
}

.credits-search input {
  width: min(520px, 100%);
  padding: 9px 12px;
  font-size: 0.9rem;
}

.credits-table-card {
  overflow-x: auto;
}

.credits-user-table {
  min-width: 1080px;
}

.user-cell {
  display: flex;
  align-items: center;
  gap: 8px;
}

.muted-small {
  color: var(--text-secondary, #94a3b8);
  font-size: 0.75rem;
  line-height: 1.5;
}

.credit-balance {
  color: var(--success, #10b981);
  font-size: 1rem;
}

.delta-plus {
  color: var(--success, #10b981);
  font-weight: 600;
}

.delta-minus {
  color: #ef4444;
  font-weight: 600;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 0.7rem;
  border: 1px solid rgba(148, 163, 184, 0.16);
  color: var(--text-secondary, #94a3b8);
}

.status-pill.ok {
  color: var(--success, #10b981);
  border-color: rgba(16, 185, 129, 0.32);
}

.status-pill.disabled {
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.32);
}

.status-pill.admin {
  color: var(--accent, #06b6d4);
  border-color: rgba(6, 182, 212, 0.32);
}

.credit-adjust-form {
  display: grid;
  grid-template-columns: 92px minmax(130px, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.credit-adjust-form input {
  min-width: 0;
  padding: 7px 9px;
  font-size: 0.82rem;
}

.admin-pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 16px;
  color: var(--text-secondary, #94a3b8);
  font-size: 0.85rem;
}

.empty-cell {
  text-align: center;
  color: var(--text-secondary, #94a3b8);
  padding: 32px 12px !important;
}

/* Summary Cards */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--admin-grid-gap);
  margin-bottom: 32px;
}

.summary-card {
  background: var(--glass-bg, rgba(30, 41, 59, 0.7));
  border: 1px solid var(--glass-border, rgba(148, 163, 184, 0.1));
  border-radius: 12px;
  padding: 20px 24px;
  backdrop-filter: blur(12px);
}

.summary-card .label {
  font-size: 0.8rem;
  color: var(--text-secondary, #94a3b8);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.summary-card .value {
  font-size: 1.75rem;
  font-weight: 700;
  font-family: 'Sora', monospace;
}

.summary-card .sub {
  font-size: 0.75rem;
  color: var(--text-secondary, #94a3b8);
  margin-top: 4px;
}

.value-primary { color: var(--primary, #6366f1); }
.value-accent { color: var(--accent, #06b6d4); }
.value-success { color: var(--success, #10b981); }
.value-warning { color: #f59e0b; }
.value-danger { color: #ef4444; }

.section-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin: 8px 0 16px;
}

.section-title-row h2 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.section-title-row span {
  color: var(--text-secondary, #94a3b8);
  font-size: 0.78rem;
}

.failure-section {
  margin-bottom: 8px;
}

.failure-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--admin-grid-gap);
  margin-bottom: 32px;
}

.failure-metric {
  min-width: 0;
  background: var(--glass-bg, rgba(30, 41, 59, 0.7));
  border: 1px solid rgba(239, 68, 68, 0.16);
  border-radius: 12px;
  padding: 18px 20px;
  backdrop-filter: blur(12px);
}

.failure-metric .label {
  font-size: 0.78rem;
  color: var(--text-secondary, #94a3b8);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.failure-metric .value {
  font-size: 1.55rem;
  font-weight: 700;
  font-family: 'Sora', monospace;
}

.failure-metric .value.compact {
  color: var(--text-primary, #f1f5f9);
  font-family: inherit;
  font-size: 1rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.failure-metric .sub {
  margin-top: 5px;
  color: var(--text-secondary, #94a3b8);
  font-size: 0.75rem;
}

/* Charts */
.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--admin-grid-gap);
  margin-bottom: 32px;
}

.chart-card {
  background: var(--glass-bg, rgba(30, 41, 59, 0.7));
  border: 1px solid var(--glass-border, rgba(148, 163, 184, 0.1));
  border-radius: 12px;
  padding: 20px 24px;
  backdrop-filter: blur(12px);
}

.chart-card h3 {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary, #94a3b8);
  margin: 0 0 16px 0;
}

.chart-card.full-width {
  grid-column: 1 / -1;
}

.chart-container {
  position: relative;
  width: 100%;
  height: 280px;
  overflow: hidden;
}

.chart-legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 10px;
  font-size: 0.78rem;
  color: var(--text-secondary, #94a3b8);
}

.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.chart-legend i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.chart-svg {
  width: 100%;
  height: calc(100% - 28px);
}

.chart-grid-line {
  stroke: rgba(148, 163, 184, 0.1);
  stroke-width: 1;
}

.chart-axis-text {
  fill: var(--text-secondary, #94a3b8);
  font-size: 11px;
}

.bar-chart {
  height: 100%;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  overflow-x: auto;
  padding: 8px 2px 2px;
}

.bar-item {
  min-width: 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.bar-track {
  flex: 1;
  width: 18px;
  display: flex;
  align-items: flex-end;
  background: rgba(148, 163, 184, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.bar-track span {
  width: 100%;
  min-height: 2px;
  border-radius: 999px 999px 0 0;
}

.bar-label {
  color: var(--text-secondary, #94a3b8);
  font-size: 0.68rem;
  text-align: center;
  white-space: nowrap;
}

.model-bars {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}

.model-bar-row {
  display: grid;
  gap: 6px;
}

.model-bar-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-primary, #f1f5f9);
  font-size: 0.8rem;
}

.model-bar-meta span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-bar-meta strong {
  color: var(--text-secondary, #94a3b8);
  font-family: 'Sora', monospace;
  font-weight: 600;
}

.model-bar-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.08);
  overflow: hidden;
}

.model-bar-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
}

.empty-chart {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary, #94a3b8);
  font-size: 0.9rem;
}

/* Tables */
.table-card {
  background: var(--glass-bg, rgba(30, 41, 59, 0.7));
  border: 1px solid var(--glass-border, rgba(148, 163, 184, 0.1));
  border-radius: 12px;
  padding: 20px 24px;
  backdrop-filter: blur(12px);
  margin-bottom: 24px;
}

.table-card h3 {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary, #94a3b8);
  margin: 0 0 16px 0;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.admin-table th {
  text-align: left;
  padding: 10px 12px;
  color: var(--text-secondary, #94a3b8);
  font-weight: 500;
  border-bottom: 1px solid var(--glass-border, rgba(148, 163, 184, 0.1));
}

.admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.05);
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.admin-table .num {
  font-family: 'Sora', monospace;
  font-weight: 500;
}

.rate-bar {
  display: inline-block;
  height: 6px;
  border-radius: 3px;
  background: var(--success, #10b981);
  min-width: 4px;
}

.rate-bar-danger {
  background: #ef4444;
}

.full-width-table {
  overflow-x: auto;
}

.failure-task-table {
  min-width: 980px;
}

.failure-tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  white-space: nowrap;
}

.failure-error {
  max-width: 420px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-secondary, #94a3b8);
}

.empty-cell {
  color: var(--text-secondary, #94a3b8);
  text-align: center;
}

.nowrap {
  white-space: nowrap;
}

/* Loading */
.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--text-secondary, #94a3b8);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .failure-summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .charts-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .admin-wrapper {
    padding: 16px;
  }
  .summary-grid {
    grid-template-columns: 1fr;
  }
  .failure-summary-grid {
    grid-template-columns: 1fr;
  }
  .admin-header {
    flex-direction: column;
    align-items: flex-start;
  }
}