/* ==========================================================================
   Design System: Primitives & Tokens
   ========================================================================== */

:root {
  /* --- Primitives: Slate (Neutral) --- */
  --slate-50:  #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --slate-950: #020617;

  /* --- Primitives: Colors --- */
  --blue-500:   #3b82f6;
  --blue-600:   #2563eb;
  --blue-700:   #1d4ed8;
  --green-500:  #22c55e;
  --green-600:  #16a34a;
  --amber-500:  #f59e0b;
  --amber-600:  #d97706;
  --red-500:    #ef4444;
  --red-600:    #dc2626;

  /* --- Semantic Tokens: Light Mode (Default) --- */
  --bg:            var(--slate-50);
  --surface:       #ffffff;
  --fg:            var(--slate-900);
  --fg-muted:      var(--slate-500);
  --border:        var(--slate-200);
  --border-subtle: var(--slate-100);

  --primary:       var(--blue-500);
  --primary-hover: var(--blue-600);
  
  --success:       var(--green-500);
  --warning:       var(--amber-500);
  --danger:        var(--red-500);

  --warning-bg:     #fffbeb;
  --warning-fg:     #78350f;
  --warning-border: #fcd34d;

  /* Sidebar — Light mode */
  --sidebar-bg:       var(--slate-100);
  --sidebar-fg:       var(--slate-700);
  --sidebar-hover:    rgba(0, 0, 0, 0.07);
  --sidebar-hover-fg: var(--primary);
  --sidebar-border:   rgba(0, 0, 0, 0.08);
  --sidebar-width: 240px;

  /* Login page */
  --dot-color: rgba(0, 0, 0, 0.055);

  /* Layout */
  --topbar-height: 48px;
  --radius:        8px;
  --radius-sm:     4px;
  --shadow-sm:     0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow:        0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --font-sans:     -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono:     "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;

  --surface-alt:   var(--slate-100);

  /* Legacy variable mapping */
  --card-bg:       var(--surface);
}

/* --- Dark Mode Overrides --- */
@media (prefers-color-scheme: dark) {
  :root {
    --bg:            var(--slate-900);
    --surface:       var(--slate-800);
    --fg:            var(--slate-100);
    --fg-muted:      var(--slate-400);
    --border:        var(--slate-700);
    --border-subtle: var(--slate-800);
    --surface-alt:   var(--slate-900);
    --sidebar-bg:       var(--slate-800);
    --sidebar-fg:       var(--slate-200);
    --sidebar-hover:    rgba(255, 255, 255, 0.1);
    --sidebar-hover-fg: #fff;
    --sidebar-border:   rgba(255, 255, 255, 0.1);
    --dot-color: rgba(255, 255, 255, 0.045);
    --warning-bg:     #2d2007;
    --warning-fg:     #fde68a;
    --warning-border: #92400e;
  }
}

/* Manual Dark Mode Toggle */
.dark {
  color-scheme: dark;
  --bg:            var(--slate-900);
  --surface:       var(--slate-800);
  --fg:            var(--slate-100);
  --fg-muted:      var(--slate-400);
  --border:        var(--slate-700);
  --border-subtle: var(--slate-800);
  --surface-alt:   var(--slate-900);
  --zebra-stripe:  rgba(255,255,255,0.03);
  --sidebar-bg:       var(--slate-800);
  --sidebar-fg:       var(--slate-200);
  --sidebar-hover:    rgba(255, 255, 255, 0.1);
  --sidebar-hover-fg: #fff;
  --sidebar-border:   rgba(255, 255, 255, 0.1);
  --dot-color: rgba(255, 255, 255, 0.045);
  --warning-bg:     #2d2007;
  --warning-fg:     #fde68a;
  --warning-border: #92400e;
}

/* Force Light Mode (override system dark preference) */
.light {
  color-scheme: light;
  --bg:            var(--slate-50);
  --surface:       #ffffff;
  --fg:            var(--slate-900);
  --fg-muted:      var(--slate-500);
  --border:        var(--slate-200);
  --border-subtle: var(--slate-100);
  --surface-alt:   var(--slate-100);
  --sidebar-bg:       var(--slate-100);
  --sidebar-fg:       var(--slate-700);
  --sidebar-hover:    rgba(0, 0, 0, 0.07);
  --sidebar-hover-fg: var(--primary);
  --sidebar-border:   rgba(0, 0, 0, 0.08);
  --dot-color: rgba(0, 0, 0, 0.055);
  --warning-bg:     #fffbeb;
  --warning-fg:     #78350f;
  --warning-border: #fcd34d;
}
.light .alert-error { background: #fef2f2; color: #991b1b; border-color: #fecaca; }
.light .alert-info { background: #eff6ff; color: #1e40af; border-color: #bfdbfe; }
.light .health-bar-track { background-color: var(--slate-200); }
.light .zone-badge {
  background-color: hsl(var(--zone-hue), 80%, 90%);
  color: hsl(var(--zone-hue), 80%, 30%);
  border-color: hsl(var(--zone-hue), 60%, 80%);
}
.light .matrix-allow { background: #dcfce7; color: #166534; }
.light .matrix-deny { background: #fef2f2; color: #991b1b; }
.light .matrix-self { background: var(--slate-100); color: var(--slate-400); }
.light .badge-accept { background: #dcfce7; color: #166534; }
.light .badge-reject { background: #fef2f2; color: #991b1b; }
.light .badge-drop { background: var(--slate-100); color: var(--slate-600); }
.light .badge-continue { background: #dbeafe; color: #1e40af; }

/* ==========================================================================
   Reset & Base
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
  overflow: hidden;
}
body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.layout {
  display: flex;
  height: calc(100vh - var(--topbar-height));
  margin-top: var(--topbar-height);
  overflow: hidden;
}

#sidebar {
  position: relative;
  z-index: 150;
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: var(--sidebar-fg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  border-right: 1px solid var(--sidebar-border);
  overflow-y: auto;
}

.main-column {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#content {
  flex: 1;
  width: 100%;
  padding: 2rem;
  overflow-y: auto;
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}

/* ==========================================================================
   Sidebar Components
   ========================================================================== */

.topbar-logo {
  height: calc(var(--topbar-height) - 14px);
  width: auto;
  display: block;
}

.sidebar-nav {
  flex: 1;
  padding: 0.5rem 0;
  overflow-y: auto;
}

/* Standalone nav link (Dashboard) */
.nav-standalone {
  margin: 0.25rem 0.5rem 0.5rem;
}

/* Top-level accordion groups (Status / Configure / Maintenance) */
details.nav-group-top {
}

details.nav-group-top > summary.nav-group-summary-top {
  list-style: none;
  cursor: pointer;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--sidebar-fg);
  opacity: 0.7;
  padding: 0.75rem 1rem 0.375rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  user-select: none;
  transition: opacity 0.15s;
}
details.nav-group-top > summary.nav-group-summary-top:hover { opacity: 1; }
details.nav-group-top > summary.nav-group-summary-top::-webkit-details-marker { display: none; }
details.nav-group-top > summary.nav-group-summary-top::marker { display: none; }

details.nav-group-top > summary.nav-group-summary-top::before {
  content: '▸';
  font-size: 0.7rem;
}
details[open].nav-group-top > summary.nav-group-summary-top::before {
  content: '▾';
}

/* Static sub-section labels within top-level accordion */
.nav-section-label {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sidebar-fg);
  opacity: 0.45;
  padding: 0.75rem 1rem 0.2rem;
  user-select: none;
}

.nav-group-items {
  list-style: none;
  padding-bottom: 0.25rem;
}

.nav-icon {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  background-color: currentColor;
  -webkit-mask-image: var(--icon);
  mask-image: var(--icon);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  flex-shrink: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 1rem;
  color: var(--sidebar-fg);
  text-decoration: none;
  font-size: 0.875rem;
  border-radius: 0.375rem;
  margin: 0 0.5rem;
  transition: background-color 0.15s, color 0.15s;
  font-weight: 500;
}

.nav-link:hover {
  background-color: var(--sidebar-hover);
  color: var(--sidebar-hover-fg);
  text-decoration: none;
}

.nav-link.active {
  background-color: var(--primary);
  color: #fff;
  text-decoration: none;
}

/* Button styled as a nav-link (for actions like Reboot) */
.nav-link-btn {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: inherit;
}

.nav-link-danger:hover {
  color: var(--danger);
  background-color: var(--sidebar-hover);
}

.sidebar-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--sidebar-border);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  line-height: 1.25;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-hover);
  text-decoration: none;
}

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}
.btn-secondary:hover {
  background: var(--border);
  color: var(--text);
  text-decoration: none;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Sidebar Actions */
.btn-sidebar-action, .btn-logout {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--sidebar-fg);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.85rem;
  text-decoration: none;
  margin-bottom: 0.5rem;
  transition: all 0.15s ease;
}

.btn-sidebar-action:hover, .btn-logout:hover {
  background: var(--sidebar-hover);
  border-color: rgba(255,255,255,0.3);
  text-decoration: none;
}

.btn-danger-hover:hover {
  border-color: var(--danger);
  color: #fca5a5;
  background: rgba(220, 38, 38, 0.1);
}

/* ==========================================================================
   Cards & Content Containers
   ========================================================================== */

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  align-items: stretch;
}

/* Cards inside a grid don't need their own bottom margin — the grid gap handles spacing */
.info-grid > .info-card { margin-bottom: 0; }

/* Full-width card spanning all grid columns */
.info-grid-full { grid-column: 1 / -1; }

/* Two-column card for wide tables — only kicks in once the grid has ≥2 columns */
@media (min-width: 680px) {
  .info-grid-span-2 { grid-column: span 2; }
}

.info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
}

/* Legacy support: info-card often contains direct h2 */
.info-card h2 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--fg-muted);
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  margin: 0;
  background: var(--bg);
  border-radius: var(--radius) var(--radius) 0 0;
}

.card-header {
  padding: 0.75rem 1.25rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  text-transform: uppercase;
  border-radius: var(--radius) var(--radius) 0 0;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--fg-muted);
}

.card-body {
  padding: 1.25rem;
}


/* ==========================================================================
   Tables
   ========================================================================== */

.info-table, .disk-table, .counters-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.info-table th, .info-table td,
.disk-table th, .disk-table td,
.counters-table th, .counters-table td {
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.info-table th {
  width: 1%;
  white-space: nowrap;
  color: var(--fg-muted);
  font-weight: 500;
  text-align: left;
}

/* Disk usage widget (one entry per mount point) */
.disk-item {
  padding: 0.7rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.disk-item:last-child { border-bottom: none; }
.disk-item-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.4rem;
}
.disk-mount {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg);
}
.disk-pct { font-size: 0.8rem; color: var(--fg-muted); }
.disk-tag {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0 0.3rem;
  margin-left: 0.4rem;
  vertical-align: middle;
}
.disk-stats {
  font-size: 0.78rem;
  color: var(--fg-muted);
  margin-top: 0.3rem;
  font-variant-numeric: tabular-nums;
}

.sensor-group-hdr th {
  padding: 0.35rem 1.25rem 0.2rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  background: var(--bg);
  border-bottom: none;
}
.sensor-child th {
  padding-left: 2rem;
}

.data-table th.num,
.data-table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.info-table tr:last-child th, .info-table tr:last-child td,
.disk-table tbody tr:last-child td,
.counters-table tbody tr:last-child td {
  border-bottom: none;
}

.info-table tr:nth-child(even),
.disk-table tbody tr:nth-child(even),
.counters-table tbody tr:nth-child(even) {
  background-color: var(--zebra-stripe, rgba(0,0,0,0.025));
}

.info-table th {
  text-align: left;
  font-weight: 500;
  color: var(--fg-muted);
  width: 40%;
  background: transparent;
}

.disk-table thead th, .counters-table thead th {
  background: var(--bg);
  font-weight: 600;
  color: var(--fg-muted);
  text-align: left;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.counters-table td {
  font-family: var(--font-mono);
}

/* New Data Table Styles */
.data-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  /* Scroll-shadow: a right-edge shadow appears automatically when the table
     overflows, fading away once scrolled to the end. Pure CSS, no JS needed.
     The `local` gradients act as white masks pinned to the scroll content;
     the `scroll` gradients are the actual shadows fixed to the viewport edge. */
  background:
    linear-gradient(to right, var(--surface), var(--surface))            left  / 24px 100% no-repeat local,
    linear-gradient(to left,  var(--surface), var(--surface))            right / 24px 100% no-repeat local,
    linear-gradient(to right, rgba(0,0,0,0.07), transparent)             left  /  8px 100% no-repeat scroll,
    linear-gradient(to left,  rgba(0,0,0,0.07), transparent)             right /  8px 100% no-repeat scroll;
  background-color: var(--surface);
}

/* Remove the nested border when a table lives inside a card — the card already provides the frame */
.info-card .data-table-wrap {
  border: none;
  border-radius: 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  white-space: nowrap;
}

.data-table th, .data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  background: var(--bg);
  color: var(--fg-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.data-table tbody tr:nth-child(even) {
  background-color: var(--zebra-stripe, rgba(0,0,0,0.025));
}

.data-table tbody tr:hover { background-color: var(--slate-100); }
@media (prefers-color-scheme: dark) {
  .data-table tbody tr:hover { background-color: rgba(255,255,255,0.06); }
}
.dark .data-table tbody tr:hover { background-color: rgba(255,255,255,0.06); }

/* ==========================================================================
   Forms & Inputs
   ========================================================================== */

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--fg);
}

.form-group input {
  display: block;
  width: 100%;
  padding: 0.6rem 0.8rem;
  background: var(--surface);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: all 0.15s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* ==========================================================================
   Authentication
   ========================================================================== */

@keyframes login-rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: var(--bg);
  background-image: radial-gradient(var(--dot-color) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
  padding: 1rem;
}

.login-card {
  background: var(--surface);
  padding: 2.5rem;
  border-radius: var(--radius);
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.07),
              0 0 0 1px var(--border);
  width: 100%;
  max-width: 400px;
  border-top: 2px solid var(--primary);
  animation: login-rise 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.login-logo {
  display: block;
  max-width: 180px;
  height: auto;
  margin: 0 auto 2rem;
}

/* ==========================================================================
   Alerts & Banners
   ========================================================================== */

/* Top progress bar — shown during htmx page navigations */
.page-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--primary);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
}

.conn-banner {
  background: var(--danger);
  color: #fff;
  text-align: center;
  padding: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  position: fixed;
  top: var(--topbar-height);
  /* #sidebar sits at z-index 150 (above this banner's 100), so a
     left:0 banner gets its left edge clipped behind the sidebar and
     the text drifts visually off-centre. Inset the banner past the
     sidebar on desktop; on ≤1024px the sidebar slides off-screen
     and the banner reclaims full width. */
  left: var(--sidebar-width);
  right: 0;
  z-index: 100;
}
@media (max-width: 1024px) {
  .conn-banner { left: 0; }
}

.alert {
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  border: 1px solid transparent;
}

.alert-error {
  background: #fef2f2;
  color: var(--red-600);
  border-color: #fecaca;
}

.alert-info {
  background: #eff6ff;
  color: var(--blue-700);
  border-color: #bfdbfe;
}

/* Dark mode adjustments for alerts */
@media (prefers-color-scheme: dark) {
  .alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.2);
  }
  .alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: #93c5fd;
    border-color: rgba(59, 130, 246, 0.2);
  }
}
.dark .alert-error {
  background: rgba(239, 68, 68, 0.1);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.2);
}
.dark .alert-info {
  background: rgba(59, 130, 246, 0.1);
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.2);
}

/* ==========================================================================
   Status Indicators
   ========================================================================== */

/* Legacy Status Dots */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.5rem;
  vertical-align: middle;
}

.status-up { background: var(--success); }
.status-down { background: var(--danger); }

/* New Interface Status Indicators */
.iface-status {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 0.5rem;
}

.iface-up {
  background-color: var(--success);
  box-shadow: 0 0 0 rgba(34, 197, 94, 0.4);
  animation: pulse-green 2s infinite;
}

.iface-down {
  background-color: var(--danger);
}

.iface-lower-down {
  background-color: var(--warning);
}

@keyframes pulse-green {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}


/* ==========================================================================
   Components: Health Bar
   ========================================================================== */

.health-bar-track {
  width: 100%;
  height: 6px;
  background-color: var(--slate-200);
  border-radius: 99px;
  overflow: hidden;
}

.health-bar-fill {
  height: 100%;
  background-color: var(--success);
  border-radius: 99px;
  transition: width 0.5s ease;
}

.health-bar-fill.is-warn { background-color: var(--warning); }
.health-bar-fill.is-crit { background-color: var(--danger); }

/* Dark mode track */
@media (prefers-color-scheme: dark) {
  .health-bar-track { background-color: var(--slate-700); }
}
.dark .health-bar-track { background-color: var(--slate-700); }

/* ==========================================================================
   Components: Zone Badge
   ========================================================================== */

.zone-badge {
  /* Requires --zone-hue to be set inline or via utility */
  --zone-hue: 200; /* Default */
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  background-color: hsl(var(--zone-hue), 80%, 90%);
  color: hsl(var(--zone-hue), 80%, 30%);
  border: 1px solid hsl(var(--zone-hue), 60%, 80%);
}

@media (prefers-color-scheme: dark) {
  .zone-badge {
    background-color: hsl(var(--zone-hue), 60%, 20%);
    color: hsl(var(--zone-hue), 80%, 85%);
    border-color: hsl(var(--zone-hue), 60%, 30%);
  }
}
.dark .zone-badge {
  background-color: hsl(var(--zone-hue), 60%, 20%);
  color: hsl(var(--zone-hue), 80%, 85%);
  border-color: hsl(var(--zone-hue), 60%, 30%);
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.num {
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
}

.text-muted { color: var(--fg-muted); }

/* Page title — used at the top of each content page */
.page-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}

/* Removes the redundant wrapping div some pages use */
.page-content { display: contents; }

/* ==========================================================================
   Domain Specific: Firewall, Keystore, Software
   ========================================================================== */

/* Zone Matrix */
.matrix-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.zone-matrix {
  border-collapse: collapse;
  font-size: 0.9rem;
  width: 100%;
}

.zone-matrix th, .zone-matrix td {
  padding: 0.75rem;
  text-align: center;
  border: 1px solid var(--border);
  min-width: 90px;
}

.zone-matrix thead th {
  font-weight: 600;
  color: var(--fg-muted);
  background: var(--bg);
}

.zone-matrix tbody th {
  font-weight: 600;
  text-align: right;
  background: var(--bg);
  color: var(--fg-muted);
}

.matrix-corner {
  color: var(--fg-muted);
}

.matrix-allow {
  background: #dcfce7;
  color: #166534;
  font-weight: 700;
}
.matrix-deny {
  background: #fef2f2;
  color: #991b1b;
  font-weight: 700;
}
.matrix-cond {
  background: #fef9c3;
  color: #854d0e;
  font-weight: 700;
}
.matrix-self {
  background: var(--slate-100);
  color: var(--slate-400);
}
/* Clickable cells */
.matrix-cell[data-verdict] {
  cursor: pointer;
}
.matrix-cell[data-verdict]:hover {
  filter: brightness(0.93);
}

@media (prefers-color-scheme: dark) {
  .matrix-allow { background: rgba(22, 163, 74, 0.2); color: #86efac; }
  .matrix-deny  { background: rgba(220, 38, 38, 0.2); color: #fca5a5; }
  .matrix-cond  { background: rgba(234, 179, 8, 0.2); color: #fde047; }
  .matrix-self  { background: var(--slate-800); color: var(--slate-600); }
}
.dark .matrix-allow { background: rgba(22, 163, 74, 0.2); color: #86efac; }
.dark .matrix-deny  { background: rgba(220, 38, 38, 0.2); color: #fca5a5; }
.dark .matrix-cond  { background: rgba(234, 179, 8, 0.2); color: #fde047; }
.dark .matrix-self  { background: var(--slate-800); color: var(--slate-600); }
.light .matrix-cond { background: #fef9c3; color: #854d0e; }

/* Flow detail panel — shown below matrix when a cell is clicked.
   display:flex overrides HTML [hidden], so we restore that here. */
.fw-flow-detail {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--surface-alt);
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
}
.fw-flow-detail[hidden] { display: none !important; }
.fw-detail-flow   { font-weight: 600; }
.fw-detail-sep    { color: var(--fg-muted); }
.fw-detail-text   { color: var(--fg-muted); }

/* Policy immutable lock icon */
.policy-lock-col  { width: 1.5rem; min-width: 1.5rem; padding: 0 0.25rem !important; text-align: center; }
.policy-lock      { color: var(--fg-muted); font-size: 0.85rem; user-select: none; }
.data-table td.policy-lock-col,
.data-table th.policy-lock-col { vertical-align: middle; }

.matrix-legend {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--fg-muted);
  padding: 0.75rem 1rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.legend-swatch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.25rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  font-weight: 700;
  font-size: 0.75rem;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
}

.badge-accept { background: #dcfce7; color: #166534; }
.badge-reject { background: #fef2f2; color: #991b1b; }
.badge-drop   { background: var(--slate-100); color: var(--slate-600); }
.badge-continue { background: #dbeafe; color: #1e40af; }

@media (prefers-color-scheme: dark) {
  .badge-accept { background: rgba(22, 163, 74, 0.2); color: #86efac; }
  .badge-reject { background: rgba(220, 38, 38, 0.2); color: #fca5a5; }
  .badge-drop   { background: var(--slate-800); color: var(--slate-400); }
  .badge-continue { background: rgba(59, 130, 246, 0.2); color: #93c5fd; }
}
.dark .badge-accept { background: rgba(22, 163, 74, 0.2); color: #86efac; }
.dark .badge-reject { background: rgba(220, 38, 38, 0.2); color: #fca5a5; }
.dark .badge-drop   { background: var(--slate-800); color: var(--slate-400); }
.dark .badge-continue { background: rgba(59, 130, 246, 0.2); color: #93c5fd; }

/* General-purpose status badges */
.badge-up      { background: #dcfce7; color: #166534; }
.badge-down    { background: #fef2f2; color: #991b1b; }
.badge-warning { background: #fef9c3; color: #854d0e; }
.badge-info    { background: #dbeafe; color: #1e40af; }
.badge-neutral { background: var(--slate-100); color: var(--slate-600); }

@media (prefers-color-scheme: dark) {
  .badge-up      { background: rgba(22, 163, 74, 0.2);  color: #86efac; }
  .badge-down    { background: rgba(220, 38, 38, 0.2);  color: #fca5a5; }
  .badge-warning { background: rgba(245, 158, 11, 0.2); color: #fcd34d; }
  .badge-info    { background: rgba(59, 130, 246, 0.2); color: #93c5fd; }
  .badge-neutral { background: var(--slate-800); color: var(--slate-400); }
}
.dark .badge-up      { background: rgba(22, 163, 74, 0.2);  color: #86efac; }
.dark .badge-down    { background: rgba(220, 38, 38, 0.2);  color: #fca5a5; }
.dark .badge-warning { background: rgba(245, 158, 11, 0.2); color: #fcd34d; }
.dark .badge-info    { background: rgba(59, 130, 246, 0.2); color: #93c5fd; }
.dark .badge-neutral { background: var(--slate-800); color: var(--slate-400); }
.light .badge-up      { background: #dcfce7; color: #166534; }
.light .badge-down    { background: #fef2f2; color: #991b1b; }
.light .badge-warning { background: #fef9c3; color: #854d0e; }
.light .badge-info    { background: #dbeafe; color: #1e40af; }
.light .badge-neutral { background: var(--slate-100); color: var(--slate-600); }

/* mDNS service chips — self-contained, no .badge inheritance */
.mdns-svc {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  background: var(--slate-100);
  color: var(--slate-600);
}
.mdns-svc-link {
  background: #2563eb;
  color: #ffffff;
  text-decoration: none;
}
.mdns-svc-link:hover { background: #1d4ed8; color: #ffffff; }
@media (prefers-color-scheme: dark) {
  .mdns-svc      { background: var(--slate-800); color: var(--slate-400); }
  .mdns-svc-link { background: rgba(59, 130, 246, 0.2); color: #93c5fd; }
  .mdns-svc-link:hover { background: rgba(59, 130, 246, 0.35); color: #93c5fd; }
}
.dark .mdns-svc      { background: var(--slate-800); color: var(--slate-400); }
.dark .mdns-svc-link { background: rgba(59, 130, 246, 0.2); color: #93c5fd; }
.dark .mdns-svc-link:hover { background: rgba(59, 130, 246, 0.35); color: #93c5fd; }
.light .mdns-svc      { background: var(--slate-100); color: var(--slate-600); }
.light .mdns-svc-link { background: #2563eb; color: #ffffff; }
.light .mdns-svc-link:hover { background: #1d4ed8; color: #ffffff; }

/* mDNS extra-address rows — hidden until toggle */
.mdns-extra-row { display: none; }
.mdns-extra-addr { color: var(--fg-muted); padding-top: 0.1rem; padding-bottom: 0.1rem; }

/* mDNS toggle column and chevron button */
.mdns-toggle-col { width: 1.5rem; min-width: 1.5rem; padding: 0 0.25rem !important; text-align: center; }
.data-table td.mdns-toggle-col,
.data-table th.mdns-toggle-col { vertical-align: middle; }
.mdns-addr-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  color: var(--fg-muted);
  font-size: 0.75rem;
  line-height: 1;
}
.mdns-addr-toggle[aria-expanded="true"] .mdns-addr-arrow {
  display: inline-block;
  transform: rotate(90deg);
}

.mdns-lastseen { white-space: nowrap; }

/* Services table */
.svc-name  { font-family: var(--font-mono); font-size: 0.85rem; white-space: nowrap; }
.svc-num   { white-space: nowrap; color: var(--fg-muted); font-size: 0.85rem; }
.svc-desc  { color: var(--fg-muted); font-size: 0.875rem; }
.svc-status {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: lowercase;
  white-space: nowrap;
}
.svc-running { color: #16a34a; }
.svc-stopped { color: #ca8a04; }
.svc-error   { color: #dc2626; }
@media (prefers-color-scheme: dark) {
  .svc-running { color: #86efac; }
  .svc-stopped { color: #fde047; }
  .svc-error   { color: #fca5a5; }
}
.dark .svc-running { color: #86efac; }
.dark .svc-stopped { color: #fde047; }
.dark .svc-error   { color: #fca5a5; }
.light .svc-running { color: #16a34a; }
.light .svc-stopped { color: #ca8a04; }
.light .svc-error   { color: #dc2626; }

/* ─── NACM matrix ─────────────────────────────────────────────────────────── */
.nacm-matrix .nacm-col { text-align: center; width: 5rem; }
.nacm-group { font-family: var(--font-mono); font-size: 0.85rem; }
.nacm-cell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 700;
}
.nacm-full         { background: rgba(34, 197, 94, 0.2); color: #16a34a; }
.nacm-restricted   { background: rgba(234, 179, 8, 0.2); color: #854d0e; }
.nacm-denied       { background: rgba(239, 68, 68, 0.2); color: #dc2626; }
.nacm-restrictions-row td { padding-top: 0; }
.nacm-restrictions { font-size: 0.75rem; color: var(--fg-muted); font-style: italic; }
.nacm-legend {
  padding: 0.5rem 1rem 0.75rem;
  font-size: 0.8rem;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.nacm-legend .nacm-cell { width: 1.4rem; height: 1.4rem; font-size: 0.8rem; }
@media (prefers-color-scheme: dark) {
  .nacm-full       { background: rgba(34, 197, 94, 0.2); color: #86efac; }
  .nacm-restricted { background: rgba(234, 179, 8, 0.2); color: #fde047; }
  .nacm-denied     { background: rgba(239, 68, 68, 0.2); color: #fca5a5; }
}
.dark .nacm-full         { background: rgba(34, 197, 94, 0.2); color: #86efac; }
.dark .nacm-restricted   { background: rgba(234, 179, 8, 0.2); color: #fde047; }
.dark .nacm-denied       { background: rgba(239, 68, 68, 0.2); color: #fca5a5; }
.light .nacm-full        { background: rgba(34, 197, 94, 0.15); color: #16a34a; }
.light .nacm-restricted  { background: rgba(234, 179, 8, 0.15); color: #854d0e; }
.light .nacm-denied      { background: rgba(239, 68, 68, 0.15); color: #dc2626; }

/* Sub-heading within a card body (e.g. "Active Leases" in DHCP) */
.section-subtitle {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  padding: 1rem 1.25rem 0.5rem;
  margin: 0;
  border-top: 1px solid var(--border);
}

/* Row of stat chips (e.g. DHCP counters) */
.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

/* Stat chip: label + value pair */
.stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3rem 0.65rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  white-space: nowrap;
}
.stat-chip-label { color: var(--fg-muted); font-weight: 500; }
.stat-chip-value { color: var(--fg); font-weight: 700; font-variant-numeric: tabular-nums; }

/* Interfaces */
.iface-name { white-space: nowrap; font-weight: 500; }
.iface-name a { color: var(--primary); text-decoration: none; }
.iface-name a:hover { text-decoration: underline; }

/* Forwarding flag column */
.iface-fwd-col { width: 1.5rem; min-width: 1.5rem; padding: 0 0.25rem !important; text-align: center; }
.iface-fwd-flag { font-size: 0.8rem; color: var(--primary); user-select: none; }

/* Tree connector column — pseudo-elements draw the continuous vertical/horizontal lines.
   Wide enough to be a comfortable click target for the collapse button on parent rows. */
.iface-tree-col {
  width: 1.75rem;
  min-width: 1.75rem;
  padding: 0 !important;
  position: relative;
  overflow: visible;
  text-align: center;
}
/* These two narrow icon columns must stay middle-aligned even though the rest of the
   table uses vertical-align: top. Use td.class for higher specificity (0-1-1 beats 0-1-0). */
.data-table td.iface-tree-col,
.data-table td.iface-fwd-col,
.data-table th.iface-fwd-col { vertical-align: middle; }

/* Parent row: draw a vertical line from row center down to the bottom edge */
.iface-tree-col.tree-parent::after {
  content: '';
  position: absolute;
  left: 50%; top: 50%; bottom: 0;
  width: 2px; margin-left: -1px;
  background: var(--border);
}

/* Middle member: full-height vertical line + horizontal arm right */
.iface-tree-col.tree-mid::before {
  content: '';
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 2px; margin-left: -1px;
  background: var(--border);
}
.iface-tree-col.tree-mid::after {
  content: '';
  position: absolute;
  left: 50%; top: 50%; right: 0;
  height: 2px; margin-top: -1px;
  background: var(--border);
}

/* Last member: vertical line top-to-center + horizontal arm right */
.iface-tree-col.tree-last::before {
  content: '';
  position: absolute;
  left: 50%; top: 0; bottom: 50%;
  width: 2px; margin-left: -1px;
  background: var(--border);
}
.iface-tree-col.tree-last::after {
  content: '';
  position: absolute;
  left: 50%; top: 50%; right: 0;
  height: 2px; margin-top: -1px;
  background: var(--border);
}

/* Member rows: subtle background tint; name indented to clear the tree arm */
.iface-member { background: var(--surface-alt); }
/* Tighter left padding on the name cell so connector arms read as attached to the text */
.iface-name { padding-left: 0.4rem !important; }
.iface-member-name { padding-left: 1rem !important; }

/* Bridge/LAG collapse toggle — sits inside .iface-tree-col, centred over the connector line.
   z-index: 1 ensures it is clickable above the ::after pseudo-element. */
.bridge-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  color: var(--fg-muted);
  font-size: 0.65rem;
  line-height: 1;
  display: block;
  width: 100%;
  position: relative;
  z-index: 1;
}
.bridge-toggle-arrow {
  display: inline-block;
  transition: transform 0.15s ease;
}
/* When the parent row is collapsed: rotate arrow and hide the connector line below */
.bridge-collapsed .bridge-toggle-arrow { transform: rotate(-90deg); }
.bridge-collapsed .iface-tree-col.tree-parent::after { display: none; }

.data-detail { color: var(--fg-muted); font-size: 0.85em; }

.addr-origin { color: var(--fg-muted); font-size: 0.75rem; margin-left: 0.5rem; }

.wg-peer {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.wg-peer:last-child { border-bottom: none; }

.eth-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  font-size: 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.eth-stats-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.eth-stats dt { color: var(--fg-muted); font-family: var(--font-mono); }
.eth-stats dd { text-align: right; font-family: var(--font-mono); font-weight: 600; }

/* Side-by-side comparison of supported vs advertised PMDs on iface-detail.
   Equal-width columns keep the lists visually parallel even when one side
   is empty (no auto-negotiation, or no module data yet). */
.pmd-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.pmd-col-head {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  margin-bottom: 0.3rem;
}
.pmd-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.pmd-list li {
  padding: 0.1rem 0;
}

.iface-detail-header { margin-bottom: 1.5rem; border-bottom: 1px solid var(--border); padding-bottom: 1rem; }
.iface-detail-header h2 { font-size: 1.5rem; font-weight: 600; color: var(--fg); }
.back-link { display: inline-flex; align-items: center; margin-bottom: 0.5rem; font-size: 0.9rem; }

.info-card h3 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 1.5rem 0 0.75rem;
  padding-left: 0.5rem;
  border-left: 3px solid var(--primary);
}

/* Logs viewer.  Tab strip selects the source file, content area is a
   monospaced log buffer with client-side text/regex filter and best-effort
   severity colouring (heuristic, since on-disk sysklogd doesn't store
   <PRI>).  Live tail, rotations and download wire up in the next step. */
/* ==========================================================================
   Maintenance > Diagnostics
   ========================================================================== */
.diag-card { display: flex; flex-direction: column; }
.diag-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.diag-tab {
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  color: var(--fg-muted);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.1s, color 0.1s, border-color 0.1s;
}
.diag-tab:hover { color: var(--fg); border-color: var(--fg-muted); }
.diag-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.diag-form { padding: 0.9rem 1rem 0.4rem; }
/* The [hidden] attribute is how JS shows per-tool option fields, but the
   author `display:flex` on .diag-field outranks the UA [hidden] rule, so
   hidden fields would still render.  Restore it for everything inside the
   form (specificity class+attr beats the bare class). */
.diag-form [hidden] { display: none; }
.diag-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 0.75rem; }
.diag-row:empty { margin: 0; }
.diag-field { display: flex; flex-direction: column; gap: 0.25rem; }
.diag-field-grow { flex: 1 1 16rem; }
.diag-label { font-size: 0.78rem; color: var(--fg-muted); }
.diag-hint { font-size: 0.8rem; color: var(--fg-muted); align-self: center; }
.diag-opts:empty { display: none; }
.diag-count, .diag-size, .diag-maxhops, .diag-mtr-count, .diag-mtr-size { width: 7rem; }
.diag-check { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.85rem; white-space: nowrap; padding: 0.15rem 0; }
.diag-check input { margin: 0; }

.diag-actions { display: flex; align-items: center; gap: 0.5rem; padding: 0.25rem 0 0.5rem; }
.diag-status { font-size: 0.78rem; color: var(--fg-muted); margin-left: 0.4rem; letter-spacing: 0.02em; }
.diag-status:not(:empty)::before { content: "●"; margin-right: 0.25rem; font-size: 0.85em; }
.diag-status.pending::before { color: var(--warning, #c97a00); animation: logs-tail-pulse 1s ease-in-out infinite; }
.diag-status.err::before { color: var(--danger, #b03030); }

.diag-output { padding: 0.25rem 1rem 1rem; }
.diag-placeholder { color: var(--fg-muted); font-size: 0.85rem; padding: 1rem 0; }
.diag-text {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.4;
  background: var(--surface-deep, var(--surface));
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  margin: 0;
  max-height: 55vh;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-all;
}
.diag-mtr {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.diag-mtr th, .diag-mtr td {
  text-align: right;
  padding: 0.3rem 0.6rem;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}
.diag-mtr th { color: var(--fg-muted); font-weight: 600; font-size: 0.76rem; }
.diag-mtr-hop { text-align: right; width: 3rem; }
.diag-mtr-host { text-align: left; font-family: var(--font-mono); }
.diag-mtr tbody tr:hover { background: var(--surface); }
.diag-loss-bad { color: var(--danger); font-weight: 600; }

.diag-dns-head { font-size: 0.9rem; margin: 0.5rem 0; }
.diag-dns-list { list-style: none; padding: 0; margin: 0; }
.diag-dns-list li { padding: 0.2rem 0; font-family: var(--font-mono); font-size: 0.85rem; }
.diag-dns-err { color: var(--danger); font-size: 0.9rem; }

/* On the logs page, #content holds only the logs card — turn it into a
   flex column and clip its own overflow so the card fills the available
   height and the *buffer* scrolls, not the page.  :has scopes this to
   the logs page without touching any other view. */
#content:has(.logs-card) {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.logs-card {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  margin-bottom: 0; /* no trailing gap when the card fills #content */
}
.logs-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.logs-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  color: var(--fg-muted);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.1s, color 0.1s, border-color 0.1s;
}
.logs-tab:hover { color: var(--fg); border-color: var(--fg-muted); }
.logs-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}
.logs-tab-empty {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.6;
}
.logs-body {
  display: flex;
  flex-direction: column;
  flex: 1;        /* fill the card below the tabs so .logs-content can grow */
  min-height: 0;
  padding: 0.75rem 1rem;
  gap: 0.6rem;
}
.logs-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}
.logs-toolbar .cfg-input { flex: 1; min-width: 14rem; }
.logs-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--fg-muted);
  cursor: pointer;
  user-select: none;
}
.logs-toggle input[type="checkbox"]:disabled + * { opacity: 0.5; }
.logs-disabled-link {
  pointer-events: none;
  opacity: 0.5;
}
.logs-content {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.35;
  background: var(--surface-deep, var(--surface));
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  /* Height is governed by the flex chain below (#content:has(.logs-card)
     → .logs-card → .logs-body → here), not a viewport calc — so the
     buffer fills exactly the space left by the card chrome and #content
     never grows its own scrollbar.  min-height:0 lets this flex item
     shrink below its content size so overflow stays internal. */
  flex: 1;
  min-height: 0;
  overflow: auto;
  /* No `white-space: pre` here — the rule belongs on `.logs-line` only,
     because the parent's trailing newline text node (left over from the
     range template) would otherwise render as a blank line above any
     JS-appended live-tail content. */
}
.logs-load-earlier {
  display: block;
  margin: 0 auto 0.5rem;
}
.logs-download {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
}
.logs-download .nav-icon {
  width: 0.9rem;
  height: 0.9rem;
}
.logs-no-more {
  display: block;
  text-align: center;
  font-size: 0.78rem;
  color: var(--fg-muted);
  font-family: var(--font-body);
  padding: 0.25rem 0 0.5rem;
}
.logs-tail-status {
  font-size: 0.72rem;
  font-family: var(--font-body);
  color: var(--fg-muted);
  margin-left: 0.4rem;
  letter-spacing: 0.02em;
}
.logs-tail-status:not(:empty)::before {
  content: "●";
  margin-right: 0.25rem;
  font-size: 0.85em;
}
.logs-tail-status.pending::before { color: var(--warning, #c97a00); animation: logs-tail-pulse 1s ease-in-out infinite; }
.logs-tail-status.live::before    { color: var(--success, #2c8a4a); animation: logs-tail-pulse 1.6s ease-in-out infinite; }
.logs-tail-status.err::before     { color: var(--danger, #b03030); }
@keyframes logs-tail-pulse {
  0%, 100% { opacity: 0.45; }
  50%      { opacity: 1; }
}
.logs-line {
  white-space: pre;
  border-left: 3px solid transparent;
  padding: 0 0 0 0.4rem;
}
.logs-line.logs-err {
  color: var(--danger);
  border-left-color: var(--danger);
  background: color-mix(in srgb, var(--danger) 7%, transparent);
}
.logs-line.logs-warn {
  color: var(--warning);
  border-left-color: var(--warning);
  background: color-mix(in srgb, var(--warning) 6%, transparent);
}
.logs-status {
  font-size: 0.8rem;
  color: var(--fg-muted);
}
.logs-status code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--fg);
}

/* Software & Reboot */
.sw-install-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.sw-install-grid > .info-card { margin: 0; }

.sw-card-muted { opacity: 0.6; pointer-events: none; }

.sw-help-text {
  font-size: 0.875rem;
  color: var(--fg-muted);
  margin-bottom: 1rem;
  line-height: 1.6;
}
.sw-help-text a { color: var(--primary); }
.sw-help-text code, .sw-hint-body code { font-family: var(--font-mono); font-size: 0.8em; }

.sw-hint {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
}
.sw-hint summary {
  cursor: pointer;
  padding: 0.55rem 0.8rem;
  color: var(--fg-muted);
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.sw-hint summary::-webkit-details-marker { display: none; }
.sw-hint summary::before { content: '›'; display: inline-block; transition: transform 0.15s; }
details.sw-hint[open] summary::before { transform: rotate(90deg); }
.sw-hint-body {
  padding: 0.75rem 0.8rem;
  border-top: 1px solid var(--border);
}
.sw-hint-body p { margin: 0 0 0.5rem; color: var(--fg-muted); font-size: 0.85rem; }
.sw-hint-body p:last-child { margin-bottom: 0; }
.sw-hint-code {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
  white-space: pre;
  overflow-x: auto;
  color: var(--fg);
  margin-bottom: 0.5rem;
}

.sw-boot-order-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.25rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
}
.sw-boot-order-label {
  color: var(--fg-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-right: 0.2rem;
}

.sw-boot-slots { display: flex; gap: 0.3rem; align-items: center; flex: 1; }
.sw-boot-badge { cursor: grab; user-select: none; }
.sw-boot-badge.sw-boot-dragging { opacity: 0.35; }
.sw-boot-badge.sw-boot-drop-before { box-shadow: -3px 0 0 var(--primary); }

.sw-slot-list { display: flex; flex-direction: column; }
.sw-slot-item {
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.sw-slot-item:last-child { border-bottom: none; }
.sw-slot-primary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.2rem;
}
.sw-slot-name { font-weight: 600; font-size: 0.9rem; }
.sw-slot-version {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg-muted);
}
.sw-slot-date {
  font-size: 0.75rem;
  color: var(--fg-muted);
  opacity: 0.75;
  margin-top: 0.1rem;
}

.sw-upload-placeholder {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2rem 1rem;
  text-align: center;
  color: var(--fg-muted);
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
}

.software-form .form-group { margin-bottom: 0.75rem; }
.software-form .sw-checkbox-row { margin-bottom: 0.75rem; }

.sw-checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--fg-muted);
  cursor: pointer;
  user-select: none;
}
.sw-checkbox-row input[type="checkbox"] { accent-color: var(--primary); cursor: pointer; }

/* Multi-select dropdown built on <details> + checkboxes so the summary
   row looks like a native <select> trigger and the body holds the
   checkbox list.  Native <select multiple size="1"> never renders as
   a dropdown, hence the substitute. */
.cfg-multi {
  position: relative;
  display: inline-block;
  min-width: 14rem;
}
.cfg-multi-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0.6rem;
  background: var(--surface);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.cfg-multi-summary::-webkit-details-marker { display: none; }
.cfg-multi-summary::after {
  content: '\25BE';
  margin-left: 0.5rem;
  color: var(--fg-muted);
  transition: transform 0.15s;
}
details[open] > .cfg-multi-summary::after { transform: rotate(180deg); }
details[open] > .cfg-multi-summary {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.cfg-multi-body {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 0.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 10;
  max-height: 20rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.cfg-multi-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  white-space: nowrap;
  cursor: pointer;
}
.cfg-multi-item input[type="checkbox"] { accent-color: var(--primary); cursor: pointer; }

.sw-result {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
}
.sw-result svg { flex-shrink: 0; }
.sw-result-ok { color: var(--success); }
.sw-result-err { color: var(--danger); }
.sw-result-body { display: flex; flex-direction: column; }
.sw-result-actions { margin-top: 1rem; }

/* Compact pill badges used in the software slot list and boot-order row. */
.sw-install-grid .badge-neutral {
  background: var(--slate-200);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.15em 0.5em;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  vertical-align: middle;
}
@media (prefers-color-scheme: dark) {
  .sw-install-grid .badge-neutral { background: var(--slate-700); color: var(--slate-300); }
}
.dark .sw-install-grid .badge-neutral { background: var(--slate-700); color: var(--slate-300); }

.progress-bar-wrap--flush { margin-top: 0; }

.progress-bar-wrap {
  background: var(--slate-200);
  border-radius: var(--radius);
  height: 1.25rem;
  overflow: hidden;
  margin-top: 0.5rem;
}
.progress-bar {
  background: var(--primary);
  height: 100%;
  width: 0%;
  transition: width 0.3s ease;
}
.progress-text { font-size: 0.85rem; color: var(--fg-muted); margin-top: 0.5rem; text-align: center; }

.reboot-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}
.reboot-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--slate-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1.5rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

.reboot-message { font-size: 1.25rem; font-weight: 600; color: var(--fg); }
.reboot-status { font-size: 1rem; color: var(--fg-muted); margin-top: 0.5rem; }
.reboot-status.is-error { color: var(--danger); }

/* Keystore */
.empty-message { color: var(--fg-muted); font-style: italic; padding: 1rem; text-align: center; }

.key-row-toggle {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  color: var(--fg);
  font: inherit;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-align: left;
}
.key-row-arrow {
  font-size: 0.6rem;
  color: var(--fg-muted);
  display: inline-block;
  transition: transform 0.15s ease;
  flex-shrink: 0;
}
.key-row-toggle[aria-expanded="true"] .key-row-arrow { transform: rotate(90deg); }

.key-detail-row { display: none; }
.key-detail-row.is-open { display: table-row; }
.key-detail-cell {
  background: var(--surface-alt);
  padding: 0.75rem 1rem 0.75rem 1.5rem !important;
  border-top: none !important;
  text-align: left !important;
}
.key-detail-body { display: flex; flex-direction: column; gap: 0.6rem; }
.key-field { display: flex; flex-direction: column; gap: 0.2rem; }
.key-field-label { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--fg-muted); }
.key-field-value {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.6;
  word-break: break-all;
  white-space: pre-wrap;
  color: var(--fg);
  background: var(--surface);
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  max-width: 72ch;
  display: block;
}

/* Survey */
.survey-chart { max-width: 100%; height: auto; display: block; }
.survey-hint { font-size: 0.8rem; color: var(--fg-muted); margin-bottom: 1rem; }

/* WiFi */
.wifi-radio-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.wifi-caps {
  display: flex;
  gap: 0.375rem;
  align-items: center;
}

.wifi-survey-body {
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wifi-survey-body .survey-chart {
  max-height: 220px;
  width: auto;
}

.wifi-ssid {
  font-weight: 400;
  color: var(--fg-muted);
  font-size: 0.85rem;
  margin-left: 0.5rem;
  font-family: var(--font-mono);
}

.wifi-band-list {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.wifi-band-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.wifi-band-caps {
  display: inline-flex;
  gap: 0.25rem;
}

/* Signal Strength */
.signal-excellent { color: var(--success); font-weight: 600; }
.signal-good { color: var(--green-600); font-weight: 600; }
.signal-ok { color: var(--warning); font-weight: 600; }
.signal-poor { color: var(--danger); font-weight: 600; }

/* ==========================================================================
   Topbar & User Menu
   ========================================================================== */

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1rem;
  height: var(--topbar-height);
  background: var(--sidebar-bg);
  border-bottom: 1px solid var(--sidebar-border);
  z-index: 200;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.hamburger-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  padding: 0.375rem;
  cursor: pointer;
  color: var(--fg-muted);
  display: none;
  align-items: center;
}
.hamburger-btn:hover {
  color: var(--fg);
  border-color: var(--fg-muted);
}

/* User menu button */
.user-menu {
  position: relative;
}

.user-menu-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: none;
  border-radius: var(--radius);
  padding: 0.35rem 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg-muted);
  cursor: pointer;
  transition: color 0.15s;
}
.user-menu-btn:hover {
  color: var(--fg);
}
.user-menu-btn .chevron {
  color: var(--fg-muted);
  transition: transform 0.2s;
}
.user-menu-btn[aria-expanded="true"] .chevron {
  transform: rotate(180deg);
}

/* Dropdown panel — opens on hover */
.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 190px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0.375rem 0;
  z-index: 200;
  /* Hidden by default; shown on hover or when button is aria-expanded */
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.15s, transform 0.15s;
}
.user-menu:hover .user-dropdown,
.user-menu-btn[aria-expanded="true"] + .user-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.dropdown-section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
  padding: 0.25rem 0.875rem 0.125rem;
}

.dropdown-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0.375rem 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.45rem 0.875rem;
  font-size: 0.875rem;
  color: var(--fg-muted);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: none;
  text-align: left;
  transition: background 0.1s, color 0.1s;
  box-sizing: border-box;
}
.dropdown-item:hover,
.dropdown-item:focus {
  background: var(--border);
  color: var(--fg);
  text-decoration: none;
}
.dropdown-item svg { flex-shrink: 0; color: var(--fg-muted); transition: color 0.1s; }
.dropdown-item:hover svg,
.dropdown-item:focus svg { color: var(--fg); }
.dropdown-item-danger:hover,
.dropdown-item-danger:focus { color: var(--danger); }
.dropdown-item-danger:hover svg,
.dropdown-item-danger:focus svg { color: var(--danger); }

/* Theme checkmark — hidden by default, shown on active option */
.theme-check { margin-left: auto; flex-shrink: 0; opacity: 0; transition: opacity 0.1s; }
.theme-opt.is-active .theme-check,
.timeout-opt.is-active .theme-check { opacity: 1; }

/* Login page floating theme button */
.login-theme-btn {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.45rem;
  cursor: pointer;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.15s;
}
.login-theme-btn:hover { color: var(--fg); border-color: var(--fg-muted); }

.login-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  color: var(--fg-muted);
}

.login-header h1 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--fg);
  line-height: 1;
}

/* ==========================================================================
   Responsive Layout
   ========================================================================== */

/* Narrow (≤1024px): Sidebar hidden behind hamburger overlay */
@media (max-width: 1024px) {
  #sidebar {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    height: calc(100vh - var(--topbar-height));
    z-index: 150;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    width: var(--sidebar-width);
  }

  body.sidebar-open #sidebar {
    transform: translateX(0);
  }

  body.sidebar-open::after {
    content: '';
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.4);
    z-index: 140;
  }

  #content {
    height: auto;
    min-height: 100%;
  }

  .hamburger-btn {
    display: flex;
  }
}

/* Desktop (>1024px): hamburger hidden, sidebar always visible */
@media (min-width: 1025px) {
  .hamburger-btn {
    display: none;
  }
}

/* Column priority hiding for data tables */
@media (max-width: 600px) {
  .col-priority-2 { display: none; }
}
@media (max-width: 480px) {
  .col-priority-3 { display: none; }
}

/* ─── Confirm dialog ──────────────────────────────────────────────────────── */
#confirm-dialog {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--fg);
  padding: 1.5rem 2rem 1.25rem;
  min-width: 20rem;
  max-width: 90vw;
  box-shadow: var(--shadow);
  /* Centre in the viewport regardless of scroll position */
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
}
#confirm-dialog::backdrop {
  background: rgba(0, 0, 0, 0.45);
}
.dialog-message {
  font-size: 0.95rem;
  margin: 0 0 1.25rem;
  line-height: 1.5;
}
.dialog-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}
.btn-outline {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
}
.btn-outline:hover { background: var(--border); }
.btn-danger-outline {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}
.btn-danger-outline:hover { background: rgba(220, 38, 38, 0.08); }

.btn-accept {
  background: var(--success);
  color: #fff;
  border: 1px solid transparent;
}
.btn-accept:hover { background: var(--green-600); }

/* ─── Configure toolbar ───────────────────────────────────────────────────── */
.configure-toolbar {
  position: fixed;
  bottom: 0;
  left: var(--sidebar-width);
  right: 0;
  z-index: 130;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  box-shadow: 0 -2px 8px rgba(0,0,0,0.08);
}
@media (max-width: 1024px) {
  .configure-toolbar { left: 0; }
}
.configure-toolbar-inner {
  display: flex;
  gap: 0.75rem;
}
/* Push page content above the toolbar */
.configure-page { padding-bottom: 4rem; }

/* ─── Unsaved-changes banner ──────────────────────────────────────────────── */
.cfg-unsaved-banner {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 1.25rem;
  background: var(--warning-bg);
  border-bottom: 1px solid var(--warning-border);
  color: var(--warning-fg);
  font-size: 0.875rem;
  flex-shrink: 0;
}

/* cfgError inline feedback */
.cfg-save-status.error { color: var(--danger); cursor: pointer; }

/* ─── Configure activity log ─────────────────────────────────────────────── */
.cfg-log-wrap { position: relative; margin-left: auto; }
.cfg-log-btn  { position: relative; }
.cfg-log-badge {
  position: absolute;
  top: -6px; right: -6px;
  min-width: 16px; height: 16px;
  padding: 0 3px;
  background: var(--danger);
  color: #fff;
  border-radius: 8px;
  font-size: 0.65rem;
  line-height: 16px;
  text-align: center;
}
.cfg-log-panel {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  width: 420px;
  max-height: 300px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  flex-direction: column;
  z-index: 300;
  font-size: 0.8rem;
}
.cfg-log-panel:not([hidden]) { display: flex; }
.cfg-log-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.8rem;
}
.cfg-log-close { background: none; border: none; cursor: pointer; color: var(--fg-muted); font-size: 0.9rem; }
.cfg-log-list  { list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1; }
.cfg-log-entry { padding: 0.3rem 0.75rem; border-bottom: 1px solid var(--border-subtle, var(--border)); }
.cfg-log-empty { padding: 0.5rem 0.75rem; color: var(--fg-muted); }
.cfg-log-ts    { color: var(--fg-muted); margin-right: 0.4rem; }
.cfg-log-ok    { color: var(--fg); }
.cfg-log-error { color: var(--danger); background: rgba(var(--danger-rgb, 220,38,38), 0.05); }

/* ─── Editable form inputs inside cards ───────────────────────────────────── */
.cfg-input {
  width: 100%;
  padding: 0.4rem 0.6rem;
  background: var(--surface);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-sizing: border-box;
}
.cfg-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
select.cfg-input {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  cursor: pointer;
}
.cfg-input-sm { max-width: 8rem; }
/* Inputs in info-table cells must shrink to the column; without this the
   intrinsic min-width of a datetime-local (wide in Firefox) forces the table
   past the card edge. min-width:0 isn't enough on its own for datetime-local,
   so cards with one use .info-table-fixed (table-layout: fixed + <colgroup>)
   to cap the columns and make the input shrink. */
.info-table .cfg-input { min-width: 0; }
.info-table-fixed { table-layout: fixed; }
.cfg-input-mono { font-family: var(--font-mono); font-size: 0.85rem; }
.cfg-reset-col { width: 1%; white-space: nowrap; padding-left: 0.25rem; }
.cfg-section-head { font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin: 0 0 0.4rem; padding-bottom: 0.25rem; border-bottom: 1px solid var(--border); }
.cfg-subsection-head { font-size: 0.8rem; font-weight: 600; color: var(--text-muted); margin: 0.5rem 0 0.25rem; }
.cfg-fold { margin: 0.5rem 0 0; }
.cfg-fold > summary { font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); padding-bottom: 0.25rem; border-bottom: 1px solid var(--border); cursor: pointer; list-style: none; display: flex; align-items: center; gap: 0.4rem; user-select: none; }
.cfg-fold > summary::-webkit-details-marker { display: none; }
.cfg-fold > summary::before { content: '›'; display: inline-block; transition: transform 0.15s; font-size: 1rem; }
details.cfg-fold[open] > summary::before { transform: rotate(90deg); }
.cfg-fold-body { padding-top: 0.5rem; }
.fw-check-scroll { max-height: 12rem; overflow-y: auto; border: 1px solid var(--border); border-radius: 4px; padding: 0.4rem 0.6rem; background: var(--input-bg, var(--surface)); }
.fw-check-grid { display: flex; flex-wrap: wrap; gap: 0.35rem 1.25rem; }
.fw-check-grid label { display: flex; align-items: center; gap: 0.35rem; font-weight: normal; cursor: pointer; }

/* Editable table rows */
.cfg-table td { padding: 0.45rem 0.75rem; vertical-align: middle; }
.cfg-table > tbody > tr > td:last-child { width: 3rem; text-align: center; }
/* Leading nav-chevron column for complex (drill-down) list rows */
.yt-nav-col { width: 1.5rem; padding: 0.25rem !important; text-align: center; color: var(--fg-muted); }
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--fg-muted);
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
  padding: 0;
}
.btn-icon:hover { background: var(--border); color: var(--fg); }
.btn-icon-danger:hover { color: var(--danger); background: rgba(220,38,38,0.08); }
.btn-add-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--primary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem 0.75rem;
}
.btn-add-row:hover { text-decoration: underline; }

/* Inline forms inside users table */
.user-shell-form, .user-add-inline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.user-shell-form .cfg-input { flex: 1; min-width: 0; }
.user-add-inline .cfg-input { width: auto; flex: 1; min-width: 8rem; }

/* Add Interface modal dialog */
.iface-modal {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--fg);
  padding: 0;
  min-width: 42rem;
  max-width: 90vw;
  box-shadow: var(--shadow);
  /* Native <dialog>.showModal() centers by default, but some browsers
     drift on long content — pin the position to be safe. */
  position: fixed;
  inset: 0;
  margin: auto;
}
.iface-modal::backdrop {
  background: rgba(0, 0, 0, 0.45);
}
.iface-modal-form {
  display: flex;
  flex-direction: column;
}
.iface-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}
.iface-modal-header h3 {
  margin: 0;
  font-size: 1rem;
}
.iface-modal-header .btn-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  color: var(--fg-muted);
  padding: 0 0.25rem;
}
.iface-modal-header .btn-close:hover {
  color: var(--fg);
}
.iface-modal-body {
  padding: 0.75rem 1rem;
}
.iface-modal-footer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  border-top: 1px solid var(--border);
}
.iface-fields {
  border: none;
  padding: 0;
  margin: 0.5rem 0 0;
}
.iface-fields-unsupported {
  padding: 0.5rem 0;
}
.cfg-hint {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 0.25rem;
}

/* Inline keystore "+ New" create-key form, used by the Add Interface
   modal's WiFi PSK and WireGuard private-key rows. */
.ks-picker-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.ks-picker-row > select { flex: 1; min-width: 0; }
.ks-create-form {
  margin-top: 0.5rem;
  padding: 0.5rem;
  border: 1px dashed var(--border);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  background: var(--card-bg);
}
/* `display: flex` above overrides the `[hidden]` attribute's UA-stylesheet
   `display: none`, so the fold-out form was always shown. Restore the
   collapsed-by-default behaviour. */
.ks-create-form[hidden] { display: none; }
.ks-create-form > input,
.ks-create-form > textarea { width: 100%; }
.ks-create-actions {
  display: flex;
  gap: 0.5rem;
}
/* WiFi PSK passphrase — masked text input, NOT type="password". A real
   password input pulls in browser password managers; the WiFi key is a
   device-config value, not a per-site credential, so we mask with CSS
   instead and let the user toggle visibility via the eye button. The
   webkit property covers Chrome/Edge/Safari (>90% of browsers); Firefox
   shows the value in plain text. */
.cfg-input-mask {
  -webkit-text-security: disc;
  font-family: text-security-disc, inherit;
  letter-spacing: 0.08em;
}
.cfg-input-mask.cfg-secret-shown {
  -webkit-text-security: none;
  font-family: inherit;
  letter-spacing: normal;
}
.cfg-secret-wrap {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.cfg-secret-wrap > input { flex: 1; min-width: 0; }
.cfg-secret-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.25rem 0.4rem;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
}

/* Sub-table inside an inline create form. Same row layout as the rest
   of the wizard (label on the left, value on the right) but indented a
   touch so the user reads it as "fields belonging to the picker above". */
.info-table-sub {
  margin: 0;
}
.info-table-sub th {
  padding-left: 0.75rem;
  font-weight: normal;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* Card-level save feedback */
.cfg-card-footer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  border-top: 1px solid var(--border);
}
.cfg-save-status {
  font-size: 0.8rem;
  color: var(--fg-muted);
  min-height: 1.2em;
}
.cfg-save-status.saved { color: #16a34a; }
.cfg-save-error { font-size: 0.8rem; color: var(--danger); }
@media (prefers-color-scheme: dark) {
  .cfg-save-status.saved { color: #86efac; }
}
.dark .cfg-save-status.saved { color: #86efac; }
.light .cfg-save-status.saved { color: #16a34a; }

/* ==========================================================================
   System Control page
   ========================================================================== */

.sc-action-body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
  gap: 1rem;
}

.sc-desc {
  color: var(--fg-muted);
  font-size: 0.875rem;
  line-height: 1.5;
  margin: 0;
}

.sc-danger-card { border-color: var(--warning-border); }

.sc-danger-body { display: flex; flex-direction: column; }

.sc-danger-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem;
  flex-wrap: wrap;
}

.sc-danger-text { flex: 1; min-width: 0; }
.sc-danger-text strong { display: block; margin-bottom: 0.35rem; }

.sc-danger-sep { height: 1px; background: var(--border); margin: 0 1.25rem; }

.sc-fd-ok  { color: var(--success); font-size: 0.875rem; }
.sc-fd-err { color: var(--danger);  font-size: 0.875rem; }

.sc-dt-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.sc-restore-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.75rem;
  cursor: pointer;
}
.sc-restore-warn-text {
  color: var(--warning-fg);
  font-size: 0.875rem;
}

/* ==========================================================================
   YANG Tree Navigation
   ========================================================================== */

/* Two-column layout: tree pane + detail pane */
.yang-layout {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.yang-tree-pane {
  width: 260px;
  flex-shrink: 0;
  overflow-y: auto;
  max-height: calc(100vh - 14rem);
  margin-bottom: 0;
}

.yang-detail-pane {
  flex: 1;
  min-width: 0;
}

/* Tree list */
.yang-tree,
.yt-children {
  list-style: none;
  padding: 0;
  margin: 0;
}

.yang-tree { padding: 0.25rem 0; }

.yt-children {
  padding-left: 0;
  margin-left: 1.1rem;
}

.yt-children > li {
  position: relative;
  padding-left: 1rem;
}

/* Horizontal arm */
.yt-children > li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 0.75rem;
  height: 1px;
  background: var(--border);
}

/* Vertical connector — runs full height for non-last, stops at arm for last */
.yt-children > li::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  background: var(--border);
}
.yt-children > li:not(:last-child)::after {
  bottom: 0;
}
.yt-children > li:last-child::after {
  height: calc(0.85rem + 1px);
}

/* Style for the root "/" node */
.yt-root {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--fg-muted);
}

/* Expandable node (container / list) */
.yt-node {
  position: relative;
}

/* Suppress the browser's default triangle on <summary> */
.yt-node > summary { list-style: none; }
.yt-node > summary::-webkit-details-marker { display: none; }

/* Shared label style for both <summary> and <button> */
.yt-label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  width: 100%;
  padding: 0.22rem 0.75rem;
  background: none;
  border: none;
  text-align: left;
  font-size: 0.8rem;
  color: var(--fg);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border-radius: var(--radius-sm);
  transition: background 0.1s, color 0.1s;
  line-height: 1.4;
  font-family: inherit;
}
.yt-label:hover {
  background: var(--border-subtle);
  color: var(--primary);
}

/* Chevron rotates on open */
.yt-chevron {
  flex-shrink: 0;
  color: var(--fg-muted);
  transition: transform 0.15s;
}
details[open] > summary .yt-chevron { transform: rotate(90deg); }

/* Node name */
.yt-name {
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

/* Presence toggle — card header right side */
.yt-presence-header { margin-left: auto; }
.yt-presence-toggle {
  font-size: 0.75rem;
  padding: 0.15em 0.6em;
  border-radius: 2em;
}
.yt-presence-on {
  color: var(--accept-fg, #1a7f37);
  border: 1px solid var(--accept-fg, #1a7f37);
  background: transparent;
}
.yt-presence-on:hover { opacity: 0.75; }
.yt-presence-off {
  color: var(--fg-muted);
  border: 1px solid var(--border);
  background: transparent;
}
.yt-presence-off:hover { opacity: 0.75; }

/* Read-only badge */
.yt-ro {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0 0.25em;
  flex-shrink: 0;
}

/* Kind badges */
.yt-badge {
  font-size: 0.6rem;
  font-weight: 700;
  padding: 0.1em 0.3em;
  border-radius: 3px;
  flex-shrink: 0;
  letter-spacing: 0.03em;
  line-height: 1.4;
}
.yt-badge-lg {
  font-size: 0.75rem;
  padding: 0.15em 0.45em;
}
.yt-badge-container     { background: rgba(59,130,246,0.12); color: var(--blue-500); }\n.yt-badge-list-instance { background: rgba(139,92,246,0.07); color: #8b5cf6; }
.yt-badge-list       { background: rgba(139,92,246,0.12); color: #8b5cf6; }
.yt-badge-leaf       { background: rgba(34,197,94,0.12);  color: var(--green-600); font-size: 0.8rem; }
.yt-badge-leaf-list  { background: rgba(34,197,94,0.12);  color: var(--green-600); }
.yt-badge-rpc        { background: rgba(245,158,11,0.12); color: var(--amber-500, #f59e0b); }
.yt-badge-anydata,
.yt-badge-anyxml     { background: var(--border-subtle);  color: var(--fg-muted); }

/* Detail pane empty state */
.yang-detail-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--fg-muted);
  font-size: 0.875rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  text-align: center;
  padding: 2rem;
}
.yang-detail-empty p { margin: 0; }

/* Detail pane path */
.yt-path {
  font-size: 0.75rem;
  font-family: var(--font-mono, monospace);
  word-break: break-all;
  color: var(--fg-muted);
}

/* Enum / identity value chips */
.yt-value-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.yt-enum {
  font-size: 0.75rem;
  font-family: var(--font-mono, monospace);
  background: var(--border-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.4em;
}

/* Alert-info (used for loading state) */
.alert-info {
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.25);
  color: var(--blue-500, #3b82f6);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

/* Responsive: stack panes on narrow screens */
@media (max-width: 680px) {
  .yang-layout { flex-direction: column; }
  .yang-tree-pane { width: 100%; max-height: 40vh; }
}

/* ── YANG leaf edit form ──────────────────────────────────────────────────── */
.yt-edit-form { border-top: 1px solid var(--border); margin-top: 0; }
.yt-bool-group { display: flex; gap: 1.5rem; align-items: center; margin-top: 0.25rem; flex-wrap: wrap; }
.yt-bool-group label { display: flex; align-items: center; gap: 0.4rem; font-weight: normal; cursor: pointer; }
.yt-unset-hint { font-size: 0.8rem; font-style: italic; color: var(--text-muted); }
.yt-default-hint { font-size: 0.8rem; color: var(--text-muted); }
.yt-value-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  flex: 1;
}
.yt-value-label .cfg-input { flex: 1; }

/* ── Schema details foldout (node detail pane, standalone card) ───────────── */
.yt-schema-details { border-top: 1px solid var(--border); margin-top: 0; }
.yt-schema-details summary {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.yt-schema-details summary::-webkit-details-marker { display: none; }
.yt-schema-details summary::before { content: '▸'; font-size: 0.7rem; transition: transform 0.15s; }
details[open].yt-schema-details summary::before { transform: rotate(90deg); }
.yt-schema-details summary:hover { color: var(--text); }
.yt-schema-body { padding: 0 1rem 0.75rem; }

/* ── YANG leaf-group form (all-leaves container) ─────────────────────────── */
.yt-group-form { margin-top: 0; }
.yt-group-list { display: flex; flex-direction: column; }

.yt-leaf-item { border-bottom: 1px solid var(--border); }
.yt-leaf-item:last-child { border-bottom: none; }
.yt-leaf-item summary::-webkit-details-marker { display: none; }

.yt-leaf-summary {
  display: grid;
  grid-template-columns: minmax(6rem, auto) 1fr auto;
  align-items: start;
  gap: 0.5rem;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.yt-leaf-summary:hover .yt-leaf-name { color: var(--link, var(--text)); }

.yt-leaf-name {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
  font-weight: 500;
}
.yt-leaf-name::before {
  content: '▸';
  font-size: 0.65rem;
  color: var(--text-muted);
  transition: transform 0.15s;
  flex-shrink: 0;
}
.yt-leaf-no-expand::before { visibility: hidden; }
details[open].yt-leaf-item .yt-leaf-name::before { transform: rotate(90deg); }

.yt-leaf-input { min-width: 0; }
.yt-leaf-input .cfg-input { width: 100%; }

.yt-leaf-help {
  padding: 0.5rem 0.75rem 0.65rem calc(0.75rem + 1rem); /* indent under name */
  background: var(--bg-subtle, color-mix(in srgb, var(--bg-secondary) 60%, transparent));
  border-top: 1px solid var(--border);
}

.yt-schema-table { width: 100%; font-size: 0.8125rem; margin-top: 0.5rem; }
.yt-description {
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1.55;
  margin: 0 0 0.5rem;
  white-space: pre-wrap;
}
.yt-mandatory { color: var(--red-600, #dc2626); margin-left: 0.15rem; }
.btn-sm { padding: 0.2rem 0.5rem; font-size: 0.8rem; }

/* ── ⓘ field-info tooltip ────────────────────────────────────────────────── */
.field-info {
  display: inline-block;
  cursor: help;
  font-size: 0.85em;
  font-weight: normal;
  color: var(--fg-muted);
  margin-left: 0.3rem;
  vertical-align: middle;
  line-height: 1;
  position: relative;
  top: -2px;
}
#field-tip {
  position: fixed;
  background: var(--bg-tooltip, #1e1e2e);
  color: var(--fg-tooltip, #cdd6f4);
  border: 1px solid var(--border);
  padding: 0.45rem 0.6rem;
  border-radius: 5px;
  font-size: 0.75rem;
  line-height: 1.5;
  white-space: pre-wrap;
  max-width: 22rem;
  width: max-content;
  pointer-events: none;
  z-index: 9999;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  display: none;
}

/* ── Sub-sections navigation panel ───────────────────────────────────────── */
.yt-subsections { border-top: 1px solid var(--border); padding: 0.25rem 0; }
.yt-subsections-header {
  padding: 0.5rem 1rem 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.yt-subsection-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.45rem 1rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 0.875rem;
  color: var(--text);
  border-radius: 0;
}
.yt-subsection-item:hover { background: var(--hover-bg, rgba(0,0,0,0.04)); }
.yt-subsection-name { flex: 1; }
.yt-subsection-arrow { color: var(--text-muted); flex-shrink: 0; }

/* Auto-generated list table */
.yt-list-row { cursor: pointer; }
.yt-list-row:hover td { background: var(--border-subtle); }
.yt-list-row-nav { cursor: pointer; }
.yt-list-row-nav td { padding-right: 0.25rem; }
.yt-row-arrow { color: var(--fg-muted); vertical-align: middle; }
.yt-table-empty { text-align: center; color: var(--fg-muted); padding: 1.5rem; }
.cfg-action-col { width: 2rem; text-align: center; }

/* Back button in card header when navigated from a parent list */
.card-header { display: flex; align-items: center; gap: 0.5rem; }
.yt-back-btn { margin-right: 0.25rem; flex-shrink: 0; }
.card-header-action { margin-left: auto; flex-shrink: 0; white-space: nowrap; }


/* Inline list / flat container sections inside a leaf-group card */
.yt-inline-list,
.yt-inline-container { border-top: 1px solid var(--border); }

/* Success / error feedback banners inside detail pane */
.alert-success {
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  color: var(--green-600, #16a34a);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  margin: 0.75rem 1rem 0;
}
.alert-error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: var(--red-600, #dc2626);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  margin: 0.75rem 1rem 0;
}