:root {
  color-scheme: dark;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  background: #07080b;
  color: #f4f4f5;
  --color-bg: #07080b;
  --color-panel: #11131a;
  --color-panel-strong: #171a24;
  --color-text: #f4f4f5;
  --color-muted: #9ca3af;
  --color-primary: #12b7f5;
  --color-accent: #00f5a0;
  --color-warning: #ffe500;
  --color-danger: #ff3d00;
  --border: 1px solid #f4f4f5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: radial-gradient(circle at 20% 0%, rgba(18, 183, 245, 0.12), transparent 30%),
    var(--color-bg);
}

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px;
}

.brand {
  display: inline-flex;
  padding: 12px 16px;
  background: #f4f4f5;
  color: #07080b;
  font-size: clamp(20px, 4vw, 34px);
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.top-nav a {
  padding: 10px 12px;
  border: var(--border);
  text-decoration: none;
  color: var(--color-text);
}

.top-nav a.router-link-active {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.app-main {
  padding: 36px 14px;
}

.page {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.page-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.page-heading h1 {
  margin: 0;
  font-size: clamp(32px, 7vw, 72px);
  line-height: 0.9;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--color-primary);
  text-transform: uppercase;
}

.area-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.area-card,
.state {
  padding: 20px;
  border: var(--border);
  background: var(--color-panel);
}

.area-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.area-card h2 {
  margin: 0 0 12px;
}

.area-card p {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  color: var(--color-muted);
}

.area-tree,
.area-tree-children {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.area-tree-children {
  margin-top: 12px;
  padding-left: 28px;
}

.area-tree-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border: var(--border);
  background: var(--color-panel);
}

.area-tree-cycle {
  color: var(--color-danger);
}

.tree-toggle {
  width: 36px;
  height: 36px;
  border: 2px solid currentColor;
  background: transparent;
  color: var(--color-primary);
  cursor: pointer;
  font-weight: 800;
}

.tree-toggle:disabled {
  color: var(--color-muted);
  cursor: default;
}

.area-tree-info h2 {
  margin: 0 0 8px;
  font-size: 20px;
}

.area-tree-info p,
.area-tree-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.area-tree-info p {
  color: var(--color-muted);
}

.ui-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 9px 14px;
  border: 2px solid currentColor;
  background: transparent;
  color: var(--color-primary);
  cursor: pointer;
  text-transform: uppercase;
}

.ui-button-secondary {
  color: var(--color-warning);
}

.ui-button-warning {
  color: var(--color-accent);
}

.ui-button-danger {
  color: var(--color-danger);
}

.ui-button:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

.ui-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  background: var(--color-panel-strong);
  color: var(--color-text);
}

.ui-badge-primary {
  background: var(--color-primary);
  color: #07080b;
}

.ui-badge-success {
  background: var(--color-accent);
  color: #07080b;
}

.ui-badge-danger {
  background: var(--color-danger);
  color: #07080b;
}

.ui-badge-neutral {
  background: var(--color-panel-strong);
}

.devices-panel {
  display: grid;
  gap: 16px;
}

.devices-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.devices-table-wrap {
  overflow-x: auto;
  border: var(--border);
  background: var(--color-panel);
}

.devices-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
}

.devices-table th,
.devices-table td {
  padding: 16px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid rgba(244, 244, 245, 0.18);
}

.devices-table th {
  color: var(--color-muted);
  text-transform: uppercase;
}

.devices-table tr:last-child td {
  border-bottom: 0;
}

.devices-table strong,
.devices-table small {
  display: block;
}

.devices-table small {
  margin-top: 6px;
  color: var(--color-muted);
}

.devices-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.device-state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--color-panel-strong);
}

.device-state-ready {
  background: var(--color-accent);
  color: #07080b;
}

.device-state-error {
  background: var(--color-danger);
  color: #07080b;
}

.device-state-skipped {
  color: var(--color-muted);
}

.state {
  color: var(--color-muted);
}

.state strong {
  display: block;
  margin-bottom: 8px;
  color: var(--color-text);
}

.state-error {
  border-color: var(--color-danger);
}

.spinner {
  width: 1em;
  height: 1em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 720px) {
  .app-header,
  .page-heading,
  .area-card {
    align-items: stretch;
    flex-direction: column;
  }

  .area-tree-card {
    grid-template-columns: 1fr;
  }

  .area-tree-children {
    padding-left: 14px;
  }
}