:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface-2: #243044;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #9aa8bc;
  --accent: #3b82f6;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
}

body {
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.navbar,
.card,
.table,
.form-control,
.form-select,
.input-group-text {
  background-color: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

.card {
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.navbar {
  border-bottom: 1px solid var(--border);
}

.form-control:focus,
.form-select:focus {
  background-color: var(--surface-2);
  color: var(--text);
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.2);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
}

.btn-success {
  background: var(--success);
  border-color: var(--success);
}

.text-muted {
  color: var(--muted) !important;
}

.stat-card {
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
}

.badge-online {
  background: rgba(34, 197, 94, 0.15);
  color: #86efac;
}

.badge-offline {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
}

.badge-pending {
  background: rgba(245, 158, 11, 0.15);
  color: #fcd34d;
}

.badge-done {
  background: rgba(34, 197, 94, 0.15);
  color: #86efac;
}

.badge-failed {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.status-dot.online {
  background: #22c55e;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
}

.status-dot.offline {
  background: #6b7280;
}

.agent-card[data-status='offline'] {
  opacity: 0.72;
}

.table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--text);
}

.table thead th {
  color: var(--muted);
  font-weight: 600;
  border-color: var(--border);
}

.table td,
.table th {
  border-color: var(--border);
}

code {
  color: #93c5fd;
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top, #1e293b 0%, var(--bg) 55%);
}

.admin-tabs .nav-link {
  color: var(--muted);
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 0.75rem 1rem;
}

.admin-tabs .nav-link.active {
  color: var(--text);
  background: transparent;
  border-bottom-color: var(--accent);
}

.machine-list {
  max-height: calc(100vh - 280px);
  overflow-y: auto;
}

.machine-item {
  width: 100%;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  color: var(--text);
  transition: border-color 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}

.machine-item:hover,
.machine-item.active {
  border-color: var(--accent);
  background: var(--surface-2);
}

.machine-item.active {
  box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.35);
}

.machine-item.is-offline {
  opacity: 0.62;
}

.machine-detail-empty {
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 14px;
}

.machine-detail-panel {
  display: none;
}

.machine-detail-panel.active {
  display: block;
}

.machine-section {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
  background: rgba(15, 20, 25, 0.35);
}

.machine-section-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem 1rem;
  font-size: 0.875rem;
}

.info-grid .info-span-2 {
  grid-column: span 2;
}

.info-grid .info-span-full {
  grid-column: 1 / -1;
}

.info-label {
  color: var(--muted);
  display: block;
  margin-bottom: 0.15rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.info-value {
  font-weight: 600;
  word-break: break-word;
}

.session-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  height: 100%;
  background: var(--surface);
}

.session-shot {
  max-height: 220px;
  object-fit: contain;
}

.action-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.action-toolbar .btn-group-label {
  width: 100%;
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 0.35rem;
}

.action-toolbar .btn-group-label:first-child {
  margin-top: 0;
}

.panel-loading {
  color: var(--muted);
  padding: 1.5rem 0;
  text-align: center;
}

.remote-shell-output {
  background: #0b1020;
  color: #d7e2f1;
  border: 1px solid var(--border);
  border-radius: 10px;
  min-height: 220px;
  max-height: 360px;
  overflow: auto;
  padding: 0.85rem 1rem;
  font-family: Consolas, 'Courier New', monospace;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.remote-shell-input {
  background: #111827;
  color: #f8fafc;
  border-color: var(--border);
}

.bulk-panel {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1.25rem;
}