/* =================================================================
   CAELUM CO. — SUPER ADMIN (admin.css)
   Premium light theme — Command center authority
================================================================= */

/* --- LAYOUT --- */
.admin-layout {
  display: flex;
  min-height: 100vh;
  background: var(--caelum-bg);
}

/* --- SIDEBAR --- */
.admin-sidebar {
  width: 256px;
  min-width: 256px;
  background: var(--caelum-navy);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-normal);
  overflow: hidden;
  z-index: 100;
}

.admin-sidebar.collapsed {
  width: 64px;
  min-width: 64px;
}

.admin-sidebar.collapsed .brand-text,
.admin-sidebar.collapsed .nav-label,
.admin-sidebar.collapsed .admin-badge,
.admin-sidebar.collapsed .admin-nav-label {
  display: none;
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  min-height: 72px;
}

.admin-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.admin-nav-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.35);
  padding: 0.75rem 0.75rem 0.2rem;
  white-space: nowrap;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: rgba(255,255,255,0.6);
  font-weight: 600;
  font-size: 0.875rem;
  white-space: nowrap;
  position: relative;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.admin-nav-item:hover {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.9);
}

.admin-nav-item.active {
  background: var(--caelum-teal);
  color: #FFFFFF;
}

.admin-nav-item .nav-icon {
  font-size: 1rem;
  min-width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.admin-badge {
  margin-left: auto;
  background: var(--status-warning);
  color: var(--caelum-navy);
  border-radius: var(--radius-full);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  min-width: 18px;
  text-align: center;
}

.admin-badge.red { background: var(--status-critical); color: #fff; }

/* --- MAIN --- */
.admin-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.admin-topbar {
  height: 64px;
  background: var(--caelum-surface);
  border-bottom: 1px solid var(--caelum-border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
  flex-shrink: 0;
}

.admin-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 2rem;
}

.admin-page { display: none; }
.admin-page.active { display: block; }

/* --- KPI GRID --- */
.admin-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.admin-kpi-card {
  background: var(--caelum-surface);
  border: 1px solid var(--caelum-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.admin-kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--caelum-teal);
}

.kpi-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.kpi-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--caelum-navy);
  line-height: 1;
}

.kpi-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

/* --- WORKSPACE --- */
.admin-workspace {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 1100px) {
  .admin-workspace { grid-template-columns: 1fr; }
}

/* --- SECTION HEADERS --- */
.admin-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.admin-section-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--caelum-navy);
}

.admin-section-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* --- TABLE --- */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.admin-table thead tr {
  border-bottom: 2px solid var(--caelum-border);
}

.admin-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  background: var(--caelum-surface);
  white-space: nowrap;
}

.admin-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--caelum-border-light);
  vertical-align: middle;
}

.admin-table tbody tr:hover { background: var(--caelum-bg); }
.admin-table tbody tr:last-child td { border-bottom: none; }

/* --- CLIENT CARD --- */
.client-card {
  background: var(--caelum-surface);
  border: 1px solid var(--caelum-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.client-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--caelum-teal);
}

/* --- ONBOARDING STEPPER --- */
.onboard-step {
  flex: 1;
  padding: 0.6rem 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
  color: var(--text-muted);
  background: var(--caelum-bg);
  cursor: default;
  transition: all var(--transition-fast);
  border-right: 1px solid var(--caelum-border);
}

.onboard-step:last-child { border-right: none; }

.onboard-step.active {
  background: var(--caelum-teal);
  color: #FFFFFF;
}

.onboard-step.done {
  background: var(--status-active-bg);
  color: #065F46;
}

/* --- MONITORING TOGGLE --- */
.monitoring-toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  cursor: pointer;
}

.toggle-switch input { display: none; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--caelum-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-normal);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--status-active);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

/* --- STATUS PILLS --- */
.sys-status-pill { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.4rem 1rem; border-radius: var(--radius-full); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.04em; }
.sys-status-pill.operational { background: var(--status-active-bg); color: #065F46; border: 1px solid rgba(16,185,129,0.25); }
.sys-status-pill.attention { background: var(--status-warning-bg); color: #92400E; }
.sys-status-pill.issue { background: var(--status-critical-bg); color: #991B1B; }
.sys-status-dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; animation: pulseGlow 2s infinite; }

/* --- EMPTY STATE --- */
.admin-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
  text-align: center;
  gap: 0.5rem;
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
  .admin-sidebar {
    position: fixed;
    top: 0;
    left: -256px;
    height: 100vh;
    transition: left var(--transition-normal);
    z-index: 200;
  }
  .admin-sidebar.mobile-open {
    left: 0;
    box-shadow: var(--shadow-xl);
  }
  .admin-kpi-grid { grid-template-columns: repeat(2,1fr); }
  .admin-content { padding: 1rem; }
}