:root {
  color-scheme: dark;
  --bg: #020617;
  --panel: #0f172a;
  --panel-2: #1e293b;
  --border: #475569;
  --border-soft: #334155;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --accent: #22d3ee;
  --ok: #34d399;
  --warn: #fbbf24;
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
}

body.light {
  background: #f1f5f9;
  color: #0f172a;
}

/* Sidebar nav — plain CSS so Tailwind CDN does not need @apply */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.nav-link {
  display: block;
  width: 100%;
  border-radius: 0.375rem;
  padding: 0.55rem 0.75rem;
  color: #cbd5e1;
  text-decoration: none;
  line-height: 1.35;
  border: 1px solid transparent;
}

.nav-link:hover {
  background: #1e293b;
  color: #fff;
}

.nav-link.active {
  background: #1e293b;
  color: var(--accent);
  border-color: #155e75;
}

.card {
  border-radius: 0.5rem;
  border: 2px solid var(--border-soft);
  background: var(--panel);
  padding: 1.25rem;
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.25);
}

.card .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  font-weight: 600;
}

.card .value {
  font-size: 1.875rem;
  font-weight: 600;
  margin-top: 0.25rem;
  color: var(--text);
}

.callout {
  border-radius: 0.5rem;
  border: 2px solid var(--border);
  background: var(--panel-2);
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  line-height: 1.55;
}

.callout-info {
  border-color: #155e75;
  background: #08334444;
}

.callout-title {
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.selection-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-size: 0.875rem;
}

.selection-hint {
  color: var(--muted);
}

.bulk-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  border: 2px solid #155e75;
  background: #0c4a6e33;
}

.bulk-count {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0;
}

.bulk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.col-check {
  width: 2.5rem;
  text-align: center;
  vertical-align: middle;
}

.col-check input[type="checkbox"],
#select-all-devices {
  width: 1rem;
  height: 1rem;
  cursor: pointer;
}

.toolbar {
  border-radius: 0.5rem;
  border: 2px solid var(--border-soft);
  background: #0f172acc;
  padding: 1rem;
}

.filter-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.filter-group {
  display: flex;
  flex-direction: column;
  min-width: 10rem;
}

.input, .input-sm, select.input {
  width: 100%;
  border-radius: 0.375rem;
  border: 2px solid var(--border);
  background: #020617;
  color: var(--text);
  padding: 0.55rem 0.75rem;
  font-size: 0.875rem;
}

.input:focus, .input-sm:focus, select.input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(34 211 238 / 0.2);
}

.input-cell {
  border-radius: 0.375rem;
  border: 2px solid var(--border);
  background: #020617;
  color: var(--text);
  padding: 0.4rem 0.55rem;
  font-size: 0.875rem;
  width: 100%;
  min-width: 10rem;
}

.form-section {
  border-radius: 0.5rem;
  border: 2px solid var(--border-soft);
  background: var(--panel);
  overflow: hidden;
}

.form-section-header {
  border-bottom: 2px solid var(--border-soft);
  background: var(--panel-2);
  padding: 0.85rem 1rem;
}

.form-section-header h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}

.form-section-header p {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0.25rem 0 0;
}

.field-row {
  display: grid;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-soft);
  align-items: start;
}

@media (min-width: 640px) {
  .field-row {
    grid-template-columns: minmax(9rem, 11rem) 1fr;
  }
}

.field-row-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: #e2e8f0;
  padding-top: 0.35rem;
}

.field-row-help {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.25rem;
  line-height: 1.4;
}

.field-check {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-soft);
}

.field-check input[type="checkbox"] {
  margin-top: 0.2rem;
  width: 1rem;
  height: 1rem;
}

.field-check-text .title {
  font-size: 0.875rem;
  font-weight: 600;
}

.field-check-text .help {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

.btn, .btn-secondary, .btn-danger, .btn-xs, .btn-approve {
  display: inline-flex;
  align-items: center;
  border-radius: 0.375rem;
  padding: 0.5rem 0.85rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn { background: var(--accent); color: #0f172a; border: none; }
.btn-secondary { background: var(--panel-2); color: var(--text); border: 2px solid var(--border); }
.btn-danger { background: #9f1239; color: #fff; border: 2px solid #be123c; }
.btn-approve { background: #047857; color: #fff; border: 2px solid #059669; }
.btn-xs { padding: 0.3rem 0.55rem; font-size: 0.75rem; background: var(--panel-2); border: 2px solid var(--border); color: var(--text); }
.btn-xs.danger { border-color: #be123c; color: #fecdd3; background: #4c051933; }
.btn-xs.approve { border-color: #059669; color: #d1fae5; background: #064e3b55; }

.table-wrap {
  overflow-x: auto;
  border-radius: 0.5rem;
  border: 2px solid var(--border-soft);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th {
  background: var(--panel-2);
  padding: 0.65rem 0.75rem;
  text-align: left;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #cbd5e1;
  border-bottom: 2px solid var(--border-soft);
}

.data-table td {
  padding: 0.75rem;
  border-top: 1px solid var(--border-soft);
  vertical-align: top;
  background: #0b1220;
}

.row-pending { background: #42200633 !important; }

.badge {
  display: inline-block;
  border-radius: 0.35rem;
  padding: 0.15rem 0.45rem;
  font-size: 0.7rem;
  font-weight: 600;
  border: 1px solid var(--border);
}

.badge.ok { background: #064e3b66; color: #a7f3d0; border-color: #047857; }
.badge.warn { background: #78350f66; color: #fde68a; border-color: #b45309; }
.badge.muted { background: #1e293b; color: #94a3b8; border-color: #475569; }

.code-block {
  border-radius: 0.5rem;
  border: 2px solid var(--border-soft);
  background: #00000066;
  padding: 1rem;
  font-size: 0.75rem;
  line-height: 1.5;
  font-family: ui-monospace, monospace;
  white-space: pre-wrap;
  color: #e2e8f0;
}

.mono { font-family: ui-monospace, monospace; font-size: 0.75rem; color: #a5f3fc; }
.actions { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.text-ok { color: var(--ok); }
.text-warn { color: var(--warn); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}