:root {
  --ux-accent: #0d6efd;
  --ux-ok: #198754;
  --ux-error: #dc3545;
  --ux-busy: #fd7e14;
  --ux-idle: #6c757d;
  --ux-card-border: #dee2e6;
  --log-dock-collapsed-height: 2.75rem;
  --log-dock-expanded-max: min(38vh, 300px);
}

html {
  height: 100%;
}

body.ux-app {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  overflow: hidden;
  background: #f4f6f9;
}

.pwa-install-banner {
  flex-shrink: 0;
  background: #e7f1ff;
  border-bottom: 1px solid #b6d4fe;
}

.pwa-install-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem 1rem;
}

.pwa-install-copy {
  flex: 1 1 14rem;
  min-width: 0;
}

.pwa-ios-steps {
  margin-top: 0.5rem;
  padding-left: 1.25rem;
  font-size: 0.85rem;
  color: #495057;
}

.pwa-install-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pwa-update-badge {
  align-self: flex-start;
}

.pwa-update-dialog {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.45);
}

.pwa-update-card {
  width: 100%;
  max-width: min(92vw, 24rem);
  padding: 1.25rem;
  background: #fff;
  border-radius: 0.5rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.log-dock-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.app-version {
  font-size: 0.78rem;
}

.ux-header {
  flex-shrink: 0;
  border-bottom: 1px solid var(--ux-card-border);
  background: #fff;
}

.ux-page-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

.ux-main {
  padding-top: 1.5rem;
}

.ux-card {
  border: 1px solid var(--ux-card-border);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.status-badge.status-ok { background: var(--ux-ok); }
.status-badge.status-error { background: var(--ux-error); }
.status-badge.status-busy { background: var(--ux-busy); }
.status-badge.status-idle { background: var(--ux-idle); }

.meta-line {
  color: #6c757d;
  font-size: 0.9rem;
}

/* WiFi client status */

.wifi-client-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 0.5rem;
}

.wifi-client-connected {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.wifi-connected-label {
  color: #6c757d;
  font-size: 0.95rem;
}

.wifi-connected-ssid {
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.25;
  color: #212529;
  word-break: break-word;
}

.wifi-client-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  flex-shrink: 0;
}

.wifi-client-status-line {
  font-size: 0.85rem;
  line-height: 1.4;
}

.wifi-join-heading {
  font-size: 1.15rem;
  font-weight: 600;
  color: #212529;
}

/* SIM active slot switch */

.sim-switch-block {
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--ux-card-border);
  border-radius: 0.375rem;
  background: #fafbfc;
}

.sim-switch-caption {
  font-size: 0.85rem;
}

.sim-switch-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem 1rem;
}

.sim-switch-endpoint {
  font-size: 0.95rem;
  font-weight: 600;
  color: #adb5bd;
  transition: color 0.15s ease;
  min-width: 7.5rem;
  text-align: center;
}

.sim-switch-endpoint.is-active {
  color: var(--ux-accent);
}

.sim-switch-control .form-check-input {
  width: 2.75rem;
  height: 1.35rem;
  cursor: pointer;
}

/* Danger zone */

.ux-danger-zone {
  border-color: #f1aeb5;
}

.pin-warning {
  font-size: 0.85rem;
  color: #b45309;
}

.header-connected {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-connected-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.15rem;
}

.header-device-clock {
  font-size: 0.78rem;
  max-width: 14rem;
  text-align: right;
  line-height: 1.3;
}

.device-name-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

.device-name-display-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.device-name-label {
  font-size: 0.85rem;
  color: #6c757d;
}

.device-name-value {
  font-size: 1.1rem;
  font-weight: 600;
  word-break: break-word;
}

.mono-value,
.iccid-display {
  font-family: Consolas, "Courier New", monospace;
  letter-spacing: 0.02em;
  word-break: break-all;
}

.iccid-display {
  display: inline-block;
  max-width: 100%;
  overflow-x: auto;
  white-space: nowrap;
  vertical-align: bottom;
}

#header-connected-text {
  font-weight: 500;
}

/* Collapsible panels (Mobile / SIM) */

.ux-collapsible-card {
  overflow: hidden;
}

.ux-panel-details,
.ux-subsection-details {
  margin: 0;
}

.ux-panel-summary,
.ux-subsection-summary,
.log-dock-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.ux-panel-summary::-webkit-details-marker,
.ux-subsection-summary::-webkit-details-marker,
.log-dock-summary::-webkit-details-marker {
  display: none;
}

.ux-panel-summary::marker,
.ux-subsection-summary::marker,
.log-dock-summary::marker {
  content: '';
}

.ux-panel-summary {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid transparent;
  font-weight: 600;
}

.ux-panel-details[open] > .ux-panel-summary {
  border-bottom-color: var(--ux-card-border);
}

.ux-panel-title {
  font-size: 1.25rem;
  line-height: 1.2;
}

.ux-panel-body {
  padding: 1rem 1.25rem 1.25rem;
}

.ux-subsection-details {
  border: 1px solid var(--ux-card-border);
  border-radius: 0.375rem;
  background: #fafbfc;
}

.ux-subsection-details + .ux-subsection-details {
  margin-top: 0.75rem;
}

.ux-subsection-summary {
  padding: 0.65rem 0.9rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.ux-subsection-details[open] > .ux-subsection-summary {
  border-bottom: 1px solid var(--ux-card-border);
}

.ux-subsection-body {
  padding: 0.85rem 0.9rem 1rem;
}

.ux-chevron {
  flex-shrink: 0;
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2px solid #6c757d;
  border-bottom: 2px solid #6c757d;
  transform: rotate(-45deg);
  transition: transform 0.2s ease;
  margin-top: -0.15rem;
}

details[open] > summary .ux-chevron {
  transform: rotate(45deg);
  margin-top: 0.15rem;
}

/* Bottom log dock */

.log-dock {
  flex-shrink: 0;
  background: #fff;
  border-top: 1px solid var(--ux-card-border);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.06);
  z-index: 20;
}

.log-dock-details {
  margin: 0;
}

.log-dock-summary {
  min-height: var(--log-dock-collapsed-height);
  padding: 0.55rem 1rem;
  background: #fff;
}

.log-dock-title {
  font-size: 1.1rem;
  font-weight: 600;
}

.log-dock-body {
  display: flex;
  flex-direction: column;
  min-height: 0;
  max-height: var(--log-dock-expanded-max);
  background: #111827;
}

.log-dock-toolbar {
  flex-shrink: 0;
  display: flex;
  justify-content: flex-end;
  padding: 0.35rem 0.5rem;
  background: #1f2937;
  border-bottom: 1px solid #374151;
}

.log-dock-toolbar .btn {
  color: #e5e7eb;
  border-color: #4b5563;
}

.log-dock-toolbar .btn:hover {
  background: #374151;
  color: #fff;
}

.log-dock-details:not([open]) .log-dock-body {
  display: none;
}

#operation-log {
  flex: 1 1 auto;
  min-height: 0;
  margin: 0;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.82rem;
  line-height: 1.45;
  background: #111827;
  color: #e5e7eb;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
  padding: 0.75rem;
  border: none;
  border-radius: 0;
}

@media (max-width: 575.98px) {
  :root {
    --log-dock-expanded-max: min(42vh, 260px);
  }

  .ux-panel-body {
    padding: 0.85rem 1rem 1rem;
  }
}