/* ==========================================================================
   ADMIN PANEL — Command Bridge Aesthetic
   Deep black, cyan accents, monospace data, sharp geometry
   ========================================================================== */

:root {
  --admin-bg: #030308;
  --admin-surface: rgba(8, 8, 18, 0.95);
  --admin-border: rgba(0, 212, 255, 0.12);
  --admin-cyan: #00d4ff;
  --admin-cyan-dim: rgba(0, 212, 255, 0.25);
  --admin-orange: #ff6b35;
  --admin-green: #00ff88;
  --admin-red: #ff4757;
  --admin-text: #e0e6ed;
  --admin-text-dim: #6b7a8d;
  --admin-radius: 4px;
}

/* ── Layout ──────────────────────────────────────────────────── */

body.admin-body {
  background: var(--admin-bg);
  color: var(--admin-text);
  font-family: 'Inter', system-ui, sans-serif;
  margin: 0;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 220px 1fr;
  grid-template-rows: 52px 1fr;
  grid-template-areas:
    "topbar topbar"
    "sidebar content";
}

/* ── Top Bar ─────────────────────────────────────────────────── */

.admin-topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--admin-surface);
  border-bottom: 1px solid var(--admin-border);
  position: relative;
  z-index: 100;
}

/* Scan-line effect */
.admin-topbar::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--admin-cyan), transparent);
  opacity: 0.6;
}

.admin-topbar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--admin-text);
}

.admin-topbar .brand-icon {
  font-size: 18px;
}

.admin-topbar .brand-text {
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.5px;
}

.admin-topbar .brand-text .accent {
  color: var(--admin-cyan);
}

.admin-topbar .topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.admin-topbar .server-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-family: 'Fira Code', monospace;
  color: var(--admin-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-topbar .status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--admin-text-dim);
  animation: pulse-dot 2s ease-in-out infinite;
}

.admin-topbar .status-dot.online {
  background: var(--admin-green);
  box-shadow: 0 0 6px var(--admin-green);
}

.admin-topbar .status-dot.offline {
  background: var(--admin-red);
  animation: none;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.admin-topbar .user-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-topbar .user-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--admin-radius);
  background: var(--admin-cyan-dim);
  color: var(--admin-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

.admin-topbar .user-name {
  font-size: 12px;
  font-weight: 500;
}

.admin-topbar .logout-btn {
  background: none;
  border: 1px solid rgba(255, 71, 87, 0.3);
  color: var(--admin-red);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--admin-radius);
  cursor: pointer;
  transition: all 0.2s;
}

.admin-topbar .logout-btn:hover {
  background: rgba(255, 71, 87, 0.1);
  border-color: var(--admin-red);
}

/* ── Sidebar ─────────────────────────────────────────────────── */

.admin-sidebar {
  grid-area: sidebar;
  background: var(--admin-surface);
  border-right: 1px solid var(--admin-border);
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.admin-sidebar .nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  font-size: 13px;
  color: var(--admin-text-dim);
  cursor: pointer;
  transition: all 0.15s;
  border-left: 2px solid transparent;
  text-decoration: none;
}

.admin-sidebar .nav-item:hover {
  color: var(--admin-text);
  background: rgba(0, 212, 255, 0.04);
}

.admin-sidebar .nav-item.active {
  color: var(--admin-cyan);
  background: rgba(0, 212, 255, 0.06);
  border-left-color: var(--admin-cyan);
}

.admin-sidebar .nav-item .nav-icon {
  font-size: 15px;
  width: 20px;
  text-align: center;
}

.admin-sidebar .nav-label {
  padding: 20px 20px 8px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--admin-text-dim);
  opacity: 0.6;
}

/* ── Content Area ────────────────────────────────────────────── */

.admin-content {
  grid-area: content;
  padding: 28px 32px;
  overflow-y: auto;
  background: var(--admin-bg);
}

.admin-pane {
  display: none;
}

.admin-pane.active {
  display: block;
}

/* ── Cards ───────────────────────────────────────────────────── */

.admin-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  padding: 20px;
  transition: border-color 0.2s;
}

.admin-card:hover {
  border-color: rgba(0, 212, 255, 0.25);
}

.admin-card h3 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--admin-text-dim);
  margin-bottom: 12px;
}

/* ── Data Values ─────────────────────────────────────────────── */

.data-value {
  font-family: 'Fira Code', monospace;
  font-variant-numeric: tabular-nums;
}

.data-value.big {
  font-size: 28px;
  font-weight: 700;
  color: var(--admin-text);
}

.data-value.cyan {
  color: var(--admin-cyan);
}

.data-value.green {
  color: var(--admin-green);
}

.data-value.orange {
  color: var(--admin-orange);
}

/* ── Stats Grid ──────────────────────────────────────────────── */

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

/* ── Heatmap (cyan variant) ──────────────────────────────────── */

.admin-heatmap {
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  gap: 3px;
}

.admin-heatmap .cell {
  aspect-ratio: 1;
  border-radius: 2px;
  background: rgba(0, 212, 255, 0.06);
  transition: background 0.3s;
}

.admin-heatmap .cell.l1 { background: rgba(0, 212, 255, 0.15); }
.admin-heatmap .cell.l2 { background: rgba(0, 212, 255, 0.30); }
.admin-heatmap .cell.l3 { background: rgba(0, 212, 255, 0.50); }
.admin-heatmap .cell.l4 { background: rgba(0, 212, 255, 0.75); }
.admin-heatmap .cell.l5 { background: var(--admin-cyan); box-shadow: 0 0 6px var(--admin-cyan-dim); }

/* ── Tables ──────────────────────────────────────────────────── */

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

.admin-table th {
  text-align: left;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--admin-text-dim);
  padding: 8px 12px;
  border-bottom: 1px solid var(--admin-border);
}

.admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(0, 212, 255, 0.05);
  font-family: 'Fira Code', monospace;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.admin-table tr:hover td {
  background: rgba(0, 212, 255, 0.03);
}

/* ── Buttons ─────────────────────────────────────────────────── */

.admin-btn {
  padding: 6px 14px;
  border-radius: var(--admin-radius);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  border: 1px solid;
}

.admin-btn.primary {
  background: var(--admin-cyan);
  color: var(--admin-bg);
  border-color: var(--admin-cyan);
}

.admin-btn.primary:hover {
  background: #00bde0;
  box-shadow: 0 0 12px var(--admin-cyan-dim);
}

.admin-btn.ghost {
  background: transparent;
  color: var(--admin-text-dim);
  border-color: rgba(255, 255, 255, 0.1);
}

.admin-btn.ghost:hover {
  color: var(--admin-text);
  border-color: rgba(255, 255, 255, 0.2);
}

.admin-btn.danger {
  background: transparent;
  color: var(--admin-red);
  border-color: rgba(255, 71, 87, 0.3);
}

.admin-btn.danger:hover {
  background: rgba(255, 71, 87, 0.1);
}

/* ── API Key Cards ───────────────────────────────────────────── */

.key-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: rgba(0, 212, 255, 0.03);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  margin-bottom: 8px;
}

.key-card .key-id {
  font-family: 'Fira Code', monospace;
  font-size: 12px;
  color: var(--admin-cyan);
}

.key-card .key-scopes {
  font-size: 11px;
  color: var(--admin-text-dim);
}

.key-card .key-date {
  font-size: 11px;
  color: var(--admin-text-dim);
  font-family: 'Fira Code', monospace;
  font-variant-numeric: tabular-nums;
}

/* ── Settings Form ───────────────────────────────────────────── */

.admin-form-group {
  margin-bottom: 20px;
}

.admin-form-group label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--admin-text-dim);
  margin-bottom: 6px;
}

.admin-form-group input,
.admin-form-group select {
  width: 100%;
  padding: 8px 12px;
  background: rgba(0, 212, 255, 0.04);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  color: var(--admin-text);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}

.admin-form-group input:focus,
.admin-form-group select:focus {
  border-color: var(--admin-cyan);
  box-shadow: 0 0 0 2px var(--admin-cyan-dim);
}

.admin-form-group .hint {
  font-size: 11px;
  color: var(--admin-text-dim);
  margin-top: 4px;
}

/* ── Toggle Switch ───────────────────────────────────────────── */

.admin-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0, 212, 255, 0.05);
  font-size: 13px;
}

.admin-toggle-row .toggle-switch {
  position: relative;
  width: 36px;
  height: 20px;
}

.admin-toggle-row .toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.admin-toggle-row .toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  transition: 0.2s;
}

.admin-toggle-row .toggle-slider::before {
  content: '';
  position: absolute;
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background: var(--admin-text-dim);
  border-radius: 50%;
  transition: 0.2s;
}

.admin-toggle-row .toggle-switch input:checked + .toggle-slider {
  background: var(--admin-cyan-dim);
}

.admin-toggle-row .toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(16px);
  background: var(--admin-cyan);
}

/* ── Section Dividers ────────────────────────────────────────── */

.admin-section-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--admin-border);
}

/* ── Empty State ─────────────────────────────────────────────── */

.admin-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--admin-text-dim);
  font-size: 13px;
}

.admin-empty .empty-icon {
  font-size: 32px;
  margin-bottom: 12px;
  opacity: 0.4;
}

/* ── Responsive ──────────────────────────────────────────────── */

@media (max-width: 768px) {
  body.admin-body {
    grid-template-columns: 1fr;
    grid-template-rows: 52px auto 1fr;
    grid-template-areas:
      "topbar"
      "sidebar"
      "content";
  }

  .admin-sidebar {
    flex-direction: row;
    overflow-x: auto;
    padding: 8px 12px;
    gap: 0;
    border-right: none;
    border-bottom: 1px solid var(--admin-border);
  }

  .admin-sidebar .nav-item {
    padding: 8px 14px;
    border-left: none;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
  }

  .admin-sidebar .nav-item.active {
    border-left-color: transparent;
    border-bottom-color: var(--admin-cyan);
  }

  .admin-sidebar .nav-label {
    display: none;
  }

  .admin-content {
    padding: 20px 16px;
  }
}