body { font-family: system-ui, sans-serif; margin: 0; background: #f5f5f0; color: #1a1a1a; }
.header { background: #2d5016; color: #fff; padding: 1rem 1.5rem; display: flex; justify-content: space-between; align-items: center; }
.header h1 { margin: 0; font-size: 1.25rem; }
main { padding: 1.5rem; max-width: 720px; margin: 0 auto; }
main.admin-main { max-width: 960px; }
.log-pre { max-height: 240px; overflow: auto; font-size: 0.8rem; background: #f8f8f5; padding: 0.5rem; border-radius: 4px; }
.health-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.health-table th, .health-table td { text-align: left; padding: 0.35rem 0.5rem; border-bottom: 1px solid #e8e8e3; }
.device-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.5rem; align-items: center; }
.device-meta { color: #555; font-size: 0.85rem; margin: 0.35rem 0; }
.help-text { color: #555; font-size: 0.85rem; margin: 0.5rem 0; line-height: 1.35; }
.card { background: #fff; border-radius: 8px; padding: 1rem; margin-bottom: 0.75rem; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.badge { display: inline-block; padding: 0.2rem 0.6rem; border-radius: 4px; font-size: 0.85rem; font-weight: 600; }
.badge-IDLE { background: #e0e0e0; }
.badge-ARMED { background: #fff3cd; }
.badge-RUNNING { background: #d4edda; }
.badge-ERROR { background: #f8d7da; }
button { background: #2d5016; color: #fff; border: none; padding: 0.5rem 1rem; border-radius: 4px; cursor: pointer; }
button:disabled { opacity: 0.55; cursor: not-allowed; }
.tile { display: inline-block; min-width: 140px; margin: 0.5rem 0.5rem 0 0; }
.heatmap-wrapper { display: grid; grid-template-rows: auto auto; gap: 0.5rem; margin-top: 1rem; }
.heatmap-x-labels { display: grid; grid-template-columns: repeat(24, minmax(4px, 1fr)); font-size: 0.65rem; color: #555; }
.heatmap-grid { display: grid; grid-template-columns: repeat(24, minmax(4px, 1fr)); gap: 2px; }
.heatmap-grid div { min-width: 4px; height: 16px; background: #eee; }
.heatmap-grid .ARMED { background: #ffc107; }
.heatmap-grid .RUNNING { background: #28a745; }
.device-title { margin: 0 0 0.5rem; font-size: 1.35rem; }
.state-header { margin-bottom: 0.75rem; }
details.card > summary { cursor: pointer; font-weight: 600; }
details.card[open] > summary { margin-bottom: 0.75rem; }
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.45);
  display: flex; align-items: center; justify-content: center; z-index: 1000; padding: 1rem;
}
.modal-card {
  background: #fff; border-radius: 8px; padding: 1.25rem; max-width: 420px; width: 100%;
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
}
.modal-card input { width: 100%; box-sizing: border-box; margin: 0.35rem 0 0.75rem; padding: 0.4rem; }