/* =============================================================================
   Cold Chain — hai “ứng dụng” giao diện
   - .monitor-app: phần mềm giám sát (sáng, SCADA-lite)
   - .lab-app: phòng mô phòng thiết bị (tối, kỹ thuật)
   ============================================================================= */

:root {
  --monitor-bg: #e8eef4;
  --monitor-surface: #ffffff;
  --monitor-border: #c5d0de;
  --monitor-text: #1a2b3c;
  --monitor-muted: #5a6b7d;
  --monitor-accent: #0b6e9e;
  --monitor-ok: #1a7f4e;
  --monitor-warn: #c47a00;
  --monitor-crit: #c62828;
  --lab-bg: #1a1410;
  --lab-surface: #2a221c;
  --lab-border: #4a3f35;
  --lab-accent: #e8a54b;
}

body {
  font-family: "Segoe UI", "IBM Plex Sans", system-ui, sans-serif;
}

/* --- Monitor app --- */
.monitor-app {
  background: var(--monitor-bg);
  color: var(--monitor-text);
}

.monitor-header {
  background: linear-gradient(180deg, #0d4a6e 0%, #0b3d5c 100%);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.monitor-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}

.monitor-title {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.monitor-subtitle {
  font-size: 0.75rem;
  opacity: 0.85;
}

.monitor-nav {
  display: flex;
  gap: 0.25rem;
  flex: 1;
}

.monitor-nav-link {
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
}

.monitor-nav-link:hover {
  background: rgba(255, 255, 255, 0.12);
}

.monitor-nav-link.is-active {
  background: rgba(255, 255, 255, 0.2);
  font-weight: 600;
}

.monitor-nav-link-external::after {
  content: "↗";
  margin-left: 0.25rem;
  font-size: 0.75em;
  opacity: 0.75;
}

.monitor-header-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
}

.monitor-pill {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
}

.monitor-pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #94a3b8;
}

.monitor-pill-dot.is-live {
  background: #4ade80;
  box-shadow: 0 0 6px #4ade80;
}

.monitor-clock {
  font-variant-numeric: tabular-nums;
  opacity: 0.9;
}

.monitor-arch-strip {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.45rem 1.25rem;
  font-size: 0.72rem;
  color: var(--monitor-muted);
  text-align: center;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  background: rgba(255, 255, 255, 0.45);
}

.monitor-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2rem;
}

.monitor-dashboard-head {
  margin-bottom: 1.25rem;
}

.monitor-dashboard-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  letter-spacing: -0.02em;
  color: var(--monitor-text);
}

.monitor-dashboard-sub {
  margin: 0;
  font-size: 0.9rem;
  color: var(--monitor-muted);
}

.monitor-footer {
  max-width: 1280px;
  margin: 2rem auto 1.25rem;
  padding: 0 1.25rem 1.5rem;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  padding-top: 1.25rem;
}

.monitor-footer-note {
  font-size: 0.8rem;
  color: var(--monitor-muted);
  margin: 0;
  max-width: 28rem;
  line-height: 1.45;
}

.monitor-lab-link {
  color: var(--monitor-accent);
  text-decoration: none;
  font-weight: 500;
}

.monitor-lab-link:hover {
  text-decoration: underline;
}

.monitor-lab-link-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem 0.6rem 0.7rem;
  border-radius: 999px;
  border: 2px solid #f59e0b;
  background: linear-gradient(135deg, #fffbeb 0%, #fde68a 100%);
  color: #92400e;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.12);
  transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
}

.monitor-lab-link-cta:hover {
  text-decoration: none;
  background: linear-gradient(135deg, #fde68a 0%, #fcd34d 100%);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
  transform: translateY(-1px);
}

.monitor-lab-link-badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  background: #b45309;
  color: #fff;
}

.monitor-lab-link-arrow {
  font-size: 1.1rem;
  line-height: 1;
  opacity: 0.85;
}

.monitor-toast {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  background: var(--monitor-crit);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  z-index: 50;
}

.monitor-kpi-row-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.monitor-kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.monitor-kpi {
  background: var(--monitor-surface);
  border: 1px solid var(--monitor-border);
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.monitor-kpi-alert {
  border-color: #f0d78c;
  background: linear-gradient(180deg, #fffefb 0%, #fff8e6 100%);
}

.monitor-kpi-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--monitor-muted);
  margin-bottom: 0.35rem;
}

.monitor-kpi-value {
  font-size: 2.25rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.monitor-kpi-foot {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  color: var(--monitor-muted);
}

.monitor-kpi-link {
  color: var(--monitor-accent);
  font-weight: 600;
  text-decoration: none;
}

.monitor-kpi-link:hover {
  text-decoration: underline;
}

.monitor-kpi-value.warn {
  color: var(--monitor-warn);
}

.monitor-kpi-value.crit {
  color: var(--monitor-crit);
}

.monitor-section-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--monitor-text);
}

.monitor-warehouse-panel {
  background: var(--monitor-surface);
  border: 1px solid var(--monitor-border);
  border-radius: 14px;
  padding: 1rem 1.15rem 1.15rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
}

.monitor-warehouse-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.monitor-warehouse-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--monitor-text);
  margin: 0;
  letter-spacing: -0.01em;
}

.monitor-warehouse-count {
  font-size: 0.75rem;
  color: var(--monitor-muted);
  white-space: nowrap;
}

.monitor-device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.monitor-device-card {
  background: #f8fafc;
  border: 1px solid var(--monitor-border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  min-height: 11.5rem;
  transition: box-shadow 0.15s, border-color 0.15s, transform 0.12s ease;
}

.monitor-device-card:hover {
  border-color: var(--monitor-accent);
  box-shadow: 0 6px 18px rgba(11, 110, 158, 0.1);
  transform: translateY(-2px);
}

.monitor-device-card.has-alert {
  border-color: #e8a54b;
  background: #fffdf8;
  box-shadow: inset 0 0 0 1px rgba(232, 165, 75, 0.25);
}

.monitor-device-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.monitor-device-card-body {
  flex: 1;
}

.monitor-device-card-foot {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(15, 23, 42, 0.06);
}

.monitor-device-status {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--monitor-text);
  margin-bottom: 0.35rem;
}

.monitor-device-threshold {
  font-size: 0.75rem;
  color: var(--monitor-muted);
  margin: 0.35rem 0 0;
  line-height: 1.35;
}

.monitor-device-alert-badge {
  display: inline-block;
  margin-top: 0.45rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--monitor-warn);
}

.monitor-device-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.monitor-device-id {
  font-size: 0.65rem;
  color: var(--monitor-muted);
  font-family: ui-monospace, monospace;
}

.monitor-status-led {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
}

.monitor-status-led.online {
  background: var(--monitor-ok);
}

.monitor-status-led.offline {
  background: #94a3b8;
}

.monitor-status-led.unknown {
  background: #cbd5e1;
}

.monitor-gauge-temp {
  font-size: 2rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.monitor-gauge-temp .unit {
  font-size: 1rem;
  font-weight: 500;
  color: var(--monitor-muted);
}

.monitor-gauge-temp.temp-ok {
  color: var(--monitor-ok);
}

.monitor-gauge-temp.temp-warn {
  color: var(--monitor-warn);
}

.monitor-gauge-temp.temp-crit {
  color: var(--monitor-crit);
}

.monitor-device-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.78rem;
  color: var(--monitor-muted);
}

.monitor-alert-panel {
  background: var(--monitor-surface);
  border: 1px solid #f0d78c;
  border-left: 4px solid var(--monitor-warn);
  border-radius: 12px;
  padding: 1rem 1.15rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(196, 122, 0, 0.08);
}

.monitor-alert-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.monitor-alert-panel h2 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--monitor-warn);
  margin: 0;
}

.monitor-alert-panel-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--monitor-accent);
  text-decoration: none;
}

.monitor-alert-panel-link:hover {
  text-decoration: underline;
}

.monitor-alert-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.monitor-alert-item {
  display: grid;
  grid-template-columns: minmax(8rem, 1fr) 2fr auto;
  gap: 0.5rem 1rem;
  align-items: baseline;
  font-size: 0.82rem;
  padding: 0.55rem 0.65rem;
  background: #fffbf3;
  border-radius: 8px;
  border: 1px solid #f5e6c4;
}

@media (max-width: 640px) {
  .monitor-alert-item {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }
}

.monitor-alert-item-device {
  font-weight: 600;
  color: var(--monitor-text);
}

.monitor-alert-item-msg {
  color: var(--monitor-text);
}

.monitor-alert-item-type {
  font-size: 0.72rem;
  color: var(--monitor-muted);
  text-align: right;
}

@media (max-width: 640px) {
  .monitor-alert-item-type {
    text-align: left;
  }
}

/* Alerts table (monitor) */
.monitor-table-wrap {
  background: var(--monitor-surface);
  border: 1px solid var(--monitor-border);
  border-radius: 10px;
  overflow: hidden;
}

.monitor-table {
  width: 100%;
  font-size: 0.8rem;
  border-collapse: collapse;
}

.monitor-table th {
  text-align: left;
  padding: 0.6rem 0.75rem;
  background: #f1f5f9;
  color: var(--monitor-muted);
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
}

.monitor-table td {
  padding: 0.6rem 0.75rem;
  border-top: 1px solid var(--monitor-border);
}

.badge-sev {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-sev.critical {
  background: #fde8e8;
  color: var(--monitor-crit);
}

.badge-sev.warning {
  background: #fff4e0;
  color: var(--monitor-warn);
}

.badge-status.open {
  color: var(--monitor-crit);
  font-weight: 600;
}

.badge-status.resolved {
  color: var(--monitor-ok);
  font-weight: 600;
}

/* Alerts — mobile kanban + detail sheet */
.alert-kanban-board {
  display: none;
}

.alert-kanban-hint {
  display: none;
}

.alert-desktop-only {
  display: block;
}

@media (max-width: 767px) {
  .alert-desktop-only {
    display: none;
  }

  .alert-kanban-board {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 0.25rem 0 0.75rem;
    margin: 0 -0.25rem;
  }

  .alert-kanban-hint {
    display: block;
    font-size: 0.7rem;
    color: var(--monitor-muted);
    text-align: center;
    margin: 0 0 1rem;
  }

  .monitor-header-inner {
    padding: 0.65rem 0.85rem;
  }

  .monitor-nav {
    width: 100%;
    order: 3;
  }

  .monitor-nav-link {
    flex: 1;
    text-align: center;
    font-size: 0.8rem;
    padding: 0.45rem 0.5rem;
  }

  .monitor-arch-banner {
    display: none;
  }

  .monitor-main {
    padding: 0.85rem;
  }
}

.alert-kanban-column {
  flex: 0 0 min(88vw, 300px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 220px);
  min-height: 280px;
}

.alert-kanban-col-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.65rem;
  background: var(--monitor-surface);
  border: 1px solid var(--monitor-border);
  border-radius: 10px 10px 0 0;
  font-size: 0.75rem;
  font-weight: 600;
}

.alert-kanban-col-title {
  color: var(--monitor-text);
}

.alert-kanban-count {
  background: #e2e8f0;
  color: var(--monitor-muted);
  font-size: 0.7rem;
  min-width: 1.5rem;
  text-align: center;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}

.alert-kanban-column[data-col="need"] .alert-kanban-col-head {
  border-bottom-color: #f0d78c;
  background: #fff8e6;
}

.alert-kanban-cards {
  flex: 1;
  overflow-y: auto;
  background: #f8fafc;
  border: 1px solid var(--monitor-border);
  border-top: none;
  border-radius: 0 0 10px 10px;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.alert-kanban-empty {
  font-size: 0.75rem;
  color: var(--monitor-muted);
  text-align: center;
  padding: 1rem 0.5rem;
}

.alert-kanban-card {
  width: 100%;
  text-align: left;
  background: var(--monitor-surface);
  border: 1px solid var(--monitor-border);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  cursor: pointer;
  border-left-width: 4px;
  transition: box-shadow 0.15s, transform 0.1s;
  font: inherit;
  color: inherit;
}

.alert-kanban-card:active {
  transform: scale(0.98);
}

.alert-kanban-card.sev-critical {
  border-left-color: var(--monitor-crit);
}

.alert-kanban-card.sev-warning {
  border-left-color: var(--monitor-warn);
}

.alert-kanban-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.alert-kanban-time {
  font-size: 0.65rem;
  color: var(--monitor-muted);
  font-variant-numeric: tabular-nums;
}

.alert-kanban-device {
  font-weight: 600;
  font-size: 0.85rem;
  line-height: 1.25;
  margin: 0;
}

.alert-kanban-type {
  font-size: 0.72rem;
  color: var(--monitor-accent);
  margin: 0.2rem 0 0;
  font-weight: 500;
}

.alert-kanban-snippet {
  font-size: 0.7rem;
  color: var(--monitor-muted);
  margin: 0.35rem 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

body.alert-sheet-open {
  overflow: hidden;
}

.alert-sheet {
  position: fixed;
  inset: 0;
  z-index: 80;
}

.alert-sheet-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  border: none;
  cursor: pointer;
}

.alert-sheet-panel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  max-height: min(88vh, 520px);
  background: var(--monitor-surface);
  border-radius: 16px 16px 0 0;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  animation: alert-sheet-in 0.22s ease-out;
}

@keyframes alert-sheet-in {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.alert-sheet-grab {
  width: 36px;
  height: 4px;
  background: #cbd5e1;
  border-radius: 999px;
  margin: 0.5rem auto 0;
}

.alert-sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem 0.5rem;
  border-bottom: 1px solid var(--monitor-border);
}

.alert-sheet-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}

.alert-sheet-close {
  border: none;
  background: #f1f5f9;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  color: var(--monitor-muted);
}

.alert-sheet-body {
  padding: 0.85rem 1rem;
  overflow-y: auto;
  flex: 1;
}

.alert-sheet-dl {
  margin: 0;
  font-size: 0.85rem;
}

.alert-sheet-dl > div {
  margin-bottom: 0.65rem;
}

.alert-sheet-dl dt {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--monitor-muted);
  margin-bottom: 0.15rem;
}

.alert-sheet-dl dd {
  margin: 0;
  font-weight: 500;
  line-height: 1.4;
}

.alert-sheet-link {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--monitor-accent);
  font-weight: 600;
  text-decoration: none;
}

.alert-sheet-footer {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom, 0));
  border-top: 1px solid var(--monitor-border);
}

.alert-sheet-btn {
  width: 100%;
  padding: 0.7rem 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
}

.alert-sheet-btn.primary {
  background: #0b3d5c;
  color: #fff;
}

.alert-sheet-btn.primary:disabled {
  opacity: 0.6;
}

.alert-sheet-btn.secondary {
  background: #f1f5f9;
  color: var(--monitor-text);
}

@media (min-width: 768px) {
  .alert-sheet-panel {
    left: 50%;
    right: auto;
    bottom: auto;
    top: 50%;
    transform: translate(-50%, -50%);
    width: min(420px, 92vw);
    max-height: 85vh;
    border-radius: 12px;
    animation: none;
  }

  .alert-sheet-grab {
    display: none;
  }
}

/* Device detail */
.monitor-detail-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .monitor-detail-grid {
    grid-template-columns: 280px 1fr;
  }
}

.monitor-detail-side {
  background: var(--monitor-surface);
  border: 1px solid var(--monitor-border);
  border-radius: 10px;
  padding: 1rem;
  font-size: 0.85rem;
}

.monitor-detail-side dt {
  color: var(--monitor-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  margin-top: 0.75rem;
}

.monitor-detail-side dd {
  font-weight: 600;
  margin: 0.15rem 0 0;
}

.monitor-chart-box {
  background: var(--monitor-surface);
  border: 1px solid var(--monitor-border);
  border-radius: 10px;
  padding: 1rem;
}

.monitor-readonly-note {
  font-size: 0.75rem;
  color: var(--monitor-muted);
  margin-bottom: 1rem;
  padding: 0.5rem 0.75rem;
  background: #f1f5f9;
  border-radius: 6px;
  border-left: 3px solid var(--monitor-accent);
}

/* --- Lab app --- */
.lab-app {
  background: var(--lab-bg);
  color: #e8e0d8;
}

.lab-header {
  border-bottom: 1px solid var(--lab-border);
  background: var(--lab-surface);
}

.lab-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.lab-badge {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--lab-accent);
  margin-bottom: 0.25rem;
}

.lab-title {
  font-size: 1.35rem;
  font-weight: 700;
}

.lab-desc {
  font-size: 0.85rem;
  color: #a89888;
  margin-top: 0.25rem;
}

.lab-back-link {
  color: #7dd3fc;
  text-decoration: none;
  font-size: 0.875rem;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--lab-border);
  border-radius: 6px;
}

.lab-back-link:hover {
  background: rgba(255, 255, 255, 0.05);
}

.lab-flow {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
}

.lab-flow-box {
  background: var(--lab-surface);
  border: 1px solid var(--lab-border);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  display: flex;
  flex-direction: column;
}

.lab-flow-box strong {
  color: var(--lab-accent);
}

.lab-flow-box span {
  color: #a89888;
  font-size: 0.65rem;
}

.lab-flow-mqtt {
  border-color: #5c8a6a;
}

.lab-flow-mqtt strong {
  color: #7dcea0;
}

.lab-flow-arrow {
  color: #6b5d52;
}

.lab-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem 2rem;
}

.lab-toolbar {
  background: var(--lab-surface);
  border: 1px solid var(--lab-border);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
}

.lab-btn {
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
}

.lab-btn-primary {
  background: #2d6a4f;
  color: #fff;
}

.lab-btn-primary:hover {
  background: #40916c;
}

.lab-btn-secondary {
  background: #4a3f35;
  color: #e8e0d8;
}

.lab-table-wrap {
  border: 1px solid var(--lab-border);
  border-radius: 10px;
  overflow: hidden;
}

.lab-table {
  width: 100%;
  font-size: 0.8rem;
  border-collapse: collapse;
}

.lab-table th {
  background: #1f1915;
  padding: 0.6rem 0.75rem;
  text-align: left;
  color: #a89888;
  font-size: 0.7rem;
  text-transform: uppercase;
}

.lab-table td {
  padding: 0.6rem 0.75rem;
  border-top: 1px solid var(--lab-border);
  background: var(--lab-surface);
}

.lab-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.25rem 2rem;
  font-size: 0.7rem;
  color: #6b5d52;
}

.lab-footer code {
  color: var(--lab-accent);
}

/* Lab — mobile kanban + device sheet */
.lab-kanban-board {
  display: none;
}

.lab-kanban-hint {
  display: none;
}

.lab-desktop-only {
  display: block;
}

@media (max-width: 767px) {
  .lab-desktop-only {
    display: none;
  }

  .lab-kanban-board {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 0.25rem 0 0.75rem;
  }

  .lab-kanban-hint {
    display: block;
    font-size: 0.7rem;
    color: #a89888;
    text-align: center;
    margin: 0 0 1rem;
  }

  .lab-flow {
    display: none;
  }

  .lab-header-inner {
    padding: 0.85rem 1rem;
  }

  .lab-title {
    font-size: 1.1rem;
  }

  .lab-desc {
    font-size: 0.75rem;
  }

  .lab-main {
    padding: 0 0.85rem 1.5rem;
  }

  .lab-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .lab-toolbar-summary {
    margin-left: 0 !important;
    text-align: center;
    padding-top: 0.25rem;
  }

  .lab-intro-text {
    font-size: 0.8rem;
  }
}

.lab-kanban-column {
  flex: 0 0 min(88vw, 300px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 280px);
  min-height: 260px;
}

.lab-kanban-col-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.65rem;
  background: var(--lab-surface);
  border: 1px solid var(--lab-border);
  border-radius: 10px 10px 0 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: #e8e0d8;
}

.lab-kanban-count {
  background: #1f1915;
  color: #a89888;
  font-size: 0.7rem;
  min-width: 1.5rem;
  text-align: center;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}

.lab-kanban-column[data-col="running"] .lab-kanban-col-head {
  border-bottom-color: #3d5c4a;
  background: #1a2a22;
}

.lab-kanban-cards {
  flex: 1;
  overflow-y: auto;
  background: #151210;
  border: 1px solid var(--lab-border);
  border-top: none;
  border-radius: 0 0 10px 10px;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lab-kanban-empty {
  font-size: 0.75rem;
  color: #6b5d52;
  text-align: center;
  padding: 1rem 0.5rem;
  margin: 0;
}

.lab-kanban-card {
  width: 100%;
  text-align: left;
  background: var(--lab-surface);
  border: 1px solid var(--lab-border);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  cursor: pointer;
  border-left-width: 4px;
  transition: box-shadow 0.15s, transform 0.1s;
  font: inherit;
  color: #e8e0d8;
}

.lab-kanban-card:active {
  transform: scale(0.98);
}

.lab-kanban-card.is-running {
  border-left-color: #4ade80;
}

.lab-kanban-card.is-offline {
  border-left-color: #6b5d52;
}

.lab-kanban-card-top {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.35rem;
  font-size: 0.68rem;
  color: #a89888;
}

.lab-kanban-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  background: #6b5d52;
}

.lab-kanban-card.is-running .lab-kanban-led {
  background: #4ade80;
  box-shadow: 0 0 6px #4ade80;
}

.lab-kanban-device-id {
  font-family: ui-monospace, monospace;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fde68a;
  margin: 0;
  line-height: 1.25;
}

.lab-kanban-scenario {
  font-size: 0.72rem;
  color: var(--lab-accent);
  margin: 0.25rem 0 0;
}

.lab-kanban-metrics {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.4rem;
  font-size: 0.7rem;
  color: #a89888;
}

.lab-kanban-metrics strong {
  color: #e8e0d8;
  font-weight: 600;
}

body.lab-sheet-open {
  overflow: hidden;
}

.lab-sheet {
  position: fixed;
  inset: 0;
  z-index: 80;
}

.lab-sheet-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  border: none;
  cursor: pointer;
}

.lab-sheet-panel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  max-height: min(90vh, 560px);
  background: var(--lab-surface);
  border: 1px solid var(--lab-border);
  border-radius: 16px 16px 0 0;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  animation: lab-sheet-in 0.22s ease-out;
}

@keyframes lab-sheet-in {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.lab-sheet-grab {
  width: 36px;
  height: 4px;
  background: #4a3f35;
  border-radius: 999px;
  margin: 0.5rem auto 0;
}

.lab-sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem 0.5rem;
  border-bottom: 1px solid var(--lab-border);
}

.lab-sheet-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  color: #e8e0d8;
}

.lab-sheet-close {
  border: none;
  background: #1f1915;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  color: #a89888;
}

.lab-sheet-body {
  padding: 0.85rem 1rem;
  overflow-y: auto;
  flex: 1;
}

.lab-sheet-device-id {
  font-family: ui-monospace, monospace;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fde68a;
  margin: 0 0 0.75rem;
}

.lab-sheet-dl {
  margin: 0;
  font-size: 0.85rem;
}

.lab-sheet-dl > div {
  margin-bottom: 0.65rem;
}

.lab-sheet-dl dt {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #a89888;
  margin-bottom: 0.15rem;
}

.lab-sheet-dl dd {
  margin: 0;
  font-weight: 500;
  line-height: 1.4;
  color: #e8e0d8;
}

.lab-sheet-scenarios {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--lab-border);
}

.lab-sheet-scenarios-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #a89888;
  margin: 0 0 0.5rem;
}

.lab-sheet-scenario-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.lab-scenario-chip {
  border-radius: 8px;
  padding: 0.45rem 0.65rem;
  font-size: 0.8rem;
  border: 1px solid var(--lab-border);
  background: #1f1915;
  color: #e8e0d8;
  cursor: pointer;
}

.lab-scenario-chip:hover:not(:disabled) {
  background: #2a221c;
  border-color: var(--lab-accent);
}

.lab-scenario-chip:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.lab-scenario-chip.is-active {
  border-color: var(--lab-accent);
  background: #3d3228;
  color: #fde68a;
  font-weight: 600;
  box-shadow: 0 0 0 2px rgba(232, 165, 75, 0.4);
}

.lab-scenario-chip.is-active:disabled {
  opacity: 1;
  cursor: default;
}

.lab-scenario-chip.is-active:focus-visible {
  outline: 2px solid var(--lab-accent);
  outline-offset: 2px;
}

.lab-sheet-footer {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom, 0));
  border-top: 1px solid var(--lab-border);
}

.lab-sheet-btn {
  width: 100%;
  padding: 0.7rem 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
}

.lab-sheet-btn.primary {
  background: #2d6a4f;
  color: #fff;
}

.lab-sheet-btn.primary.primary-disconnect {
  background: #7f1d1d;
}

.lab-sheet-btn.primary:disabled {
  opacity: 0.6;
}

.lab-sheet-btn.secondary {
  background: #1f1915;
  color: #e8e0d8;
  border: 1px solid var(--lab-border);
}

.hidden {
  display: none !important;
}

.monitor-logout-link {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.monitor-logout-link:hover {
  background: rgba(255, 255, 255, 0.12);
}

.monitor-inline-link {
  color: var(--monitor-accent);
  font-weight: 600;
  text-decoration: none;
}

.monitor-inline-link:hover {
  text-decoration: underline;
}

.monitor-tech-panel {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--monitor-border);
}

.monitor-tech-panel-title {
  font-size: 0.85rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
}

.monitor-tech-panel-hint {
  font-size: 0.75rem;
  color: var(--monitor-muted);
  margin: 0 0 0.65rem;
  line-height: 1.4;
}

.monitor-tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.monitor-tech-chip {
  font-size: 0.75rem;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--monitor-border);
  background: #f1f5f9;
  cursor: pointer;
}

.monitor-tech-chip:hover {
  border-color: var(--monitor-accent);
  background: #e8f4fc;
}

.monitor-tech-status {
  font-size: 0.75rem;
  color: var(--monitor-muted);
  margin: 0.5rem 0 0;
  min-height: 1.2em;
}

.monitor-tech-readonly {
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--monitor-muted);
  font-style: italic;
}

.monitor-role-pill {
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: help;
}

@media (max-width: 900px) {
  .monitor-header-meta .monitor-clock {
    display: none;
  }
}

@media (max-width: 720px) {
  .monitor-kpi-value {
    font-size: 1.85rem;
  }

  .monitor-device-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Login --- */
.login-page {
  min-height: 100vh;
  margin: 0;
  background-color: #0b3d5c;
  background-image:
    radial-gradient(ellipse 90% 60% at 10% 0%, rgba(56, 189, 248, 0.45), transparent 50%),
    radial-gradient(ellipse 70% 50% at 100% 20%, rgba(34, 211, 238, 0.35), transparent 45%),
    radial-gradient(ellipse 80% 70% at 50% 100%, rgba(14, 116, 144, 0.5), transparent 55%),
    linear-gradient(145deg, #0c4a6e 0%, #155e75 28%, #0e7490 52%, #164e63 78%, #083344 100%);
  background-attachment: fixed;
}

.login-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1.25rem 2rem;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 18px;
  padding: 0;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.06),
    0 25px 50px -12px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.login-header {
  text-align: center;
  padding: 1.75rem 2rem 1.35rem;
  background: linear-gradient(118deg, #0e5a82 0%, #0b4a6e 40%, #0a3d5c 100%);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.login-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  letter-spacing: -0.02em;
}

.login-subtitle {
  font-size: 0.82rem;
  margin: 0;
  opacity: 0.88;
  line-height: 1.45;
  max-width: 18rem;
  margin-left: auto;
  margin-right: auto;
}

.login-error {
  margin: 1.25rem 1.75rem 0;
  background: #fde8e8;
  color: var(--monitor-crit);
  font-size: 0.85rem;
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  border: 1px solid #f5c2c2;
}

.login-form {
  padding: 1.5rem 1.75rem 0.25rem;
}

.login-field {
  display: block;
  margin-bottom: 1.1rem;
}

.login-field-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--monitor-muted);
  margin-bottom: 0.4rem;
  letter-spacing: 0.03em;
}

.login-form input {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--monitor-border);
  border-radius: 10px;
  padding: 0.65rem 0.85rem;
  font-size: 1rem;
  background: #f8fafc;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.login-form input:hover {
  border-color: #94a3b8;
}

.login-form input:focus {
  outline: none;
  border-color: var(--monitor-accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(11, 110, 158, 0.15);
}

.login-submit {
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 10px;
  background: linear-gradient(180deg, #0d4a6e 0%, #0b3d5c 100%);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(11, 61, 92, 0.25);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.login-submit:hover {
  box-shadow: 0 4px 14px rgba(11, 61, 92, 0.35);
  transform: translateY(-1px);
}

.login-submit:active {
  transform: translateY(0);
}

.login-demo {
  margin: 1.25rem 1.75rem 1.75rem;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
}

.login-demo-title {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--monitor-muted);
  margin: 0 0 0.65rem;
}

.login-demo-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.login-demo-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.5rem;
  font-size: 0.8rem;
  color: var(--monitor-text);
}

.login-demo-role {
  font-weight: 600;
  min-width: 4.5rem;
  color: var(--monitor-accent);
}

.login-demo-list code {
  font-size: 0.78rem;
  background: #fff;
  padding: 0.12rem 0.4rem;
  border-radius: 4px;
  border: 1px solid #e2e8f0;
  font-family: ui-monospace, monospace;
}

.login-demo-note {
  margin: 0.75rem 0 0;
  font-size: 0.72rem;
  color: var(--monitor-muted);
  line-height: 1.45;
}

.login-footer-tag {
  margin: 1.25rem 0 0;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.65);
}