:root {
  --admin-bg: #09080e;
  --admin-surface: #12101b;
  --admin-card: #191626;
  --admin-border: #28233d;
  --admin-accent: #00f5d4;
  --admin-accent-orchid: #f241be;
  --admin-gold: #ffd166;
  --admin-red: #ef4444;
  --admin-green: #10b981;
}

body.admin-body {
  background: var(--admin-bg);
  color: #f3f4f6;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  padding: 0;
}

.admin-header {
  height: 60px;
  background: var(--admin-surface);
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.admin-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 1.5px;
}

.admin-badge {
  background: rgba(0, 245, 212, 0.15);
  border: 1px solid var(--admin-accent);
  color: var(--admin-accent);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 3px;
  font-family: monospace;
}

.admin-container {
  max-width: 1300px;
  margin: 24px auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Stat Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-label {
  font-size: 11px;
  text-transform: uppercase;
  color: #9ca3af;
  letter-spacing: 1px;
}

.stat-value {
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  font-family: monospace;
}

/* GPU Health Banner */
.gpu-banner {
  background: rgba(0, 245, 212, 0.05);
  border: 1px solid rgba(0, 245, 212, 0.3);
  border-radius: 6px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gpu-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--admin-green);
  box-shadow: 0 0 10px var(--admin-green);
}

.status-dot.offline {
  background: var(--admin-red);
  box-shadow: 0 0 10px var(--admin-red);
}

/* Tabs */
.admin-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--admin-border);
  padding-bottom: 8px;
}

.admin-tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: #9ca3af;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s;
}

.admin-tab-btn.active {
  background: var(--admin-card);
  border-color: var(--admin-border);
  color: var(--admin-accent);
}

/* Tables */
.table-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  overflow: hidden;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.admin-table th {
  background: var(--admin-surface);
  text-align: left;
  padding: 12px 16px;
  font-size: 11px;
  text-transform: uppercase;
  color: #9ca3af;
  border-bottom: 1px solid var(--admin-border);
}

.admin-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.admin-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.badge-role {
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-role.admin {
  background: rgba(242, 65, 190, 0.2);
  color: var(--admin-accent-orchid);
  border: 1px solid rgba(242, 65, 190, 0.4);
}

.badge-role.user {
  background: rgba(255, 255, 255, 0.08);
  color: #d1d5db;
}

/* Action buttons */
.btn-small {
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 11px;
  cursor: pointer;
  border: 1px solid var(--admin-border);
  background: var(--admin-surface);
  color: #fff;
  transition: all 0.15s;
}

.btn-small:hover {
  border-color: var(--admin-accent);
  color: var(--admin-accent);
}

/* Settings Form */
.settings-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 650px;
}

.settings-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}