/* -------------------------------------------------------------
 * Modern Color Scheme & Tokens (Guidance Compliant)
 * ------------------------------------------------------------- */
:root {
  color-scheme: light dark;

  /* Theme-aware tokens using light-dark() with standard fallbacks */
  --bg-canvas: light-dark(#f8fafc, #090d16);
  --bg-surface: light-dark(rgba(255, 255, 255, 0.75), rgba(15, 23, 42, 0.75));
  --bg-surface-hover: light-dark(rgba(255, 255, 255, 0.95), rgba(30, 41, 59, 0.85));
  --bg-input: light-dark(rgba(241, 245, 249, 0.8), rgba(15, 23, 42, 0.9));
  --border-color: light-dark(rgba(226, 232, 240, 0.8), rgba(51, 65, 85, 0.7));
  --border-hover: light-dark(rgba(56, 189, 248, 0.5), rgba(56, 189, 248, 0.6));
  --text-main: light-dark(#0f172a, #f8fafc);
  --text-muted: light-dark(#64748b, #94a3b8);
  --text-dim: light-dark(#94a3b8, #64748b);
  --accent-cyan: #38bdf8;
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;
  --accent-purple: #a855f7;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --backdrop-blur: blur(16px);
  --card-radius: 14px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.15);
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Explicit root override bindings for <meta name="color-scheme"> */
  &:has(> head > meta[name="color-scheme"][content="dark"]) {
    color-scheme: dark;
  }
  &:has(> head > meta[name="color-scheme"][content="light"]) {
    color-scheme: light;
  }
}

/* -------------------------------------------------------------
 * Reset & Base Layout
 * ------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-canvas);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* -------------------------------------------------------------
 * Ambient Background Accents & Grid
 * ------------------------------------------------------------- */
.ambient-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.15;
  filter: blur(120px);
}

.glow-top-left {
  top: -150px;
  left: -150px;
  background: radial-gradient(circle, var(--accent-cyan), var(--accent-blue));
}

.glow-bottom-right {
  bottom: -200px;
  right: -200px;
  background: radial-gradient(circle, var(--accent-purple), var(--accent-cyan));
}

.bg-grid-pattern {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, var(--border-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at 50% 30%, black 40%, transparent 80%);
}

/* -------------------------------------------------------------
 * App Layout Container
 * ------------------------------------------------------------- */
.app-layout {
  position: relative;
  z-index: 1;
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 3rem 1.5rem;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  gap: 1.5rem;
}

/* -------------------------------------------------------------
 * Navigation Header
 * ------------------------------------------------------------- */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-surface);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-sm);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(59, 130, 246, 0.2));
  border: 1px solid rgba(56, 189, 248, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.25);
}

.brand-icon {
  width: 24px;
  height: 24px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.brand-accent {
  color: var(--accent-cyan);
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Telemetry Status Bar */
.header-telemetry {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.telemetry-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.75rem;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

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

.telemetry-value {
  color: var(--text-main);
  font-family: var(--font-mono);
}

.pill-icon {
  width: 14px;
  height: 14px;
  color: var(--accent-cyan);
}

.clock-tz {
  font-size: 0.65rem;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  margin-left: 0.2rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.pulse-dot.green {
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

/* Controls (Mode Switcher, Icons) */
.header-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.domain-switcher {
  display: inline-flex;
  padding: 0.25rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  gap: 0.25rem;
}

.domain-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.domain-btn .btn-icon {
  width: 14px;
  height: 14px;
}

.domain-btn.active {
  background: var(--accent-cyan);
  color: #0b1120;
  box-shadow: 0 2px 8px rgba(56, 189, 248, 0.4);
}

.domain-btn small {
  opacity: 0.75;
  font-size: 0.7rem;
}

.icon-action-btn {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.icon-action-btn svg {
  width: 18px;
  height: 18px;
}

.icon-action-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--accent-cyan);
  border-color: var(--border-hover);
}

/* Theme Icon Toggle Visibility */
.theme-icon-light {
  display: none;
}
.theme-icon-dark {
  display: block;
}

:root:has(> head > meta[name="color-scheme"][content="light"]) .theme-icon-light {
  display: block;
}
:root:has(> head > meta[name="color-scheme"][content="light"]) .theme-icon-dark {
  display: none;
}

/* -------------------------------------------------------------
 * Toolbar: Search & Category Chips
 * ------------------------------------------------------------- */
.toolbar-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.search-box-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 1rem;
  width: 20px;
  height: 20px;
  color: var(--text-dim);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.85rem 3.5rem 0.85rem 2.75rem;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--bg-surface);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  color: var(--text-main);
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.search-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.search-kbd {
  position: absolute;
  right: 1rem;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-muted);
  pointer-events: none;
}

.category-filters {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: thin;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.825rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.filter-chip:hover {
  background: var(--bg-surface-hover);
  color: var(--text-main);
  border-color: var(--border-hover);
}

.filter-chip.active {
  background: var(--text-main);
  color: var(--bg-canvas);
  border-color: var(--text-main);
}

.chip-count {
  font-size: 0.75rem;
  opacity: 0.8;
  padding: 0.1rem 0.4rem;
  border-radius: 9999px;
  background: rgba(125, 125, 125, 0.2);
}

/* -------------------------------------------------------------
 * Health Summary Strip
 * ------------------------------------------------------------- */
.health-summary-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-surface);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  font-size: 0.825rem;
}

.health-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.health-beacon-group {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.pulse-ring {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
}

.pulse-ring.checking {
  background-color: var(--accent-amber);
  box-shadow: 0 0 10px var(--accent-amber);
  animation: pulse-glow 1.5s infinite;
}

.health-timestamp {
  color: var(--text-dim);
}

.refresh-status-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.775rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.refresh-status-btn:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.refresh-icon {
  width: 14px;
  height: 14px;
}

.refresh-icon.spinning {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.15); }
}

/* -------------------------------------------------------------
 * Category Section Headers & Services Grid
 * ------------------------------------------------------------- */
.services-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.service-category-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.category-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-main);
}

.category-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  background: var(--bg-surface-hover);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

/* -------------------------------------------------------------
 * Service Card Design
 * ------------------------------------------------------------- */
.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.25rem;
  background: var(--bg-surface);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-sm);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  transition: background 0.3s ease;
}

.service-card:hover {
  transform: translateY(-3px);
  background: var(--bg-surface-hover);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.service-card:hover::before {
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.card-icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.service-card:hover .card-icon-wrapper {
  border-color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.12);
}

.card-icon {
  width: 24px;
  height: 24px;
}

.card-badges {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.badge {
  font-size: 0.675rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-family: var(--font-mono);
}

.badge-sso {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-cuda {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-local {
  background: rgba(168, 85, 247, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.badge-port {
  background: var(--bg-input);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.card-body {
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.card-description {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.775rem;
}

.service-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-dim);
}

.status-dot.online {
  background: var(--accent-emerald);
  box-shadow: 0 0 6px var(--accent-emerald);
}

.status-dot.offline {
  background: var(--accent-rose);
}

.status-text {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.725rem;
}

.card-link-action {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--accent-cyan);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.8rem;
  transition: transform 0.2s ease;
}

.service-card:hover .card-link-action {
  transform: translateX(3px);
}

.link-arrow-icon {
  width: 14px;
  height: 14px;
}

/* -------------------------------------------------------------
 * Empty State
 * ------------------------------------------------------------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  text-align: center;
  background: var(--bg-surface);
  border: 1px dashed var(--border-color);
  border-radius: var(--card-radius);
  gap: 0.75rem;
}

.empty-state.hidden {
  display: none;
}

.empty-icon {
  width: 48px;
  height: 48px;
  color: var(--text-dim);
}

.empty-state h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.empty-state p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.btn-clear-search {
  padding: 0.45rem 1rem;
  background: var(--accent-cyan);
  color: #0b1120;
  font-weight: 600;
  font-size: 0.825rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 0.5rem;
}

/* -------------------------------------------------------------
 * Footer
 * ------------------------------------------------------------- */
.app-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-link svg {
  width: 16px;
  height: 16px;
}

.footer-link:hover {
  color: var(--accent-cyan);
}

.footer-copyright code {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  background: var(--bg-input);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

/* -------------------------------------------------------------
 * Native <dialog> Modal Styles
 * ------------------------------------------------------------- */
.homelab-dialog {
  margin: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  background: var(--bg-surface);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  color: var(--text-main);
  max-width: 820px;
  width: 90vw;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
  padding: 0;
  overscroll-behavior: contain;
}

.homelab-dialog::backdrop {
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.dialog-content {
  display: flex;
  flex-direction: column;
  max-height: 85vh;
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.dialog-title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dialog-icon {
  width: 28px;
  height: 28px;
  color: var(--accent-cyan);
}

.dialog-header h2 {
  font-size: 1.2rem;
  font-weight: 700;
}

.dialog-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.dialog-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dialog-close-btn svg {
  width: 20px;
  height: 20px;
}

.dialog-close-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--text-main);
}

.dialog-body {
  padding: 1.5rem;
  overflow-y: auto;
}

/* Ports Table Inside Dialog */
.table-search-bar {
  margin-bottom: 1rem;
}

.table-responsive {
  overflow-x: auto;
}

.ports-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.825rem;
}

.ports-table th {
  text-align: left;
  padding: 0.65rem 0.75rem;
  background: var(--bg-input);
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

.ports-table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

.ports-table tr:hover td {
  background: var(--bg-surface-hover);
}

.port-badge-mono {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

/* CLI Cheatsheet Grid */
.cli-command-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.cli-card {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cli-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cli-tag {
  font-size: 0.675rem;
  font-family: var(--font-mono);
  font-weight: 700;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

.cli-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.cli-card pre {
  background: rgba(0, 0, 0, 0.35);
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
}

.copy-cmd-btn {
  align-self: flex-end;
  padding: 0.3rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.copy-cmd-btn:hover {
  background: var(--accent-cyan);
  color: #0b1120;
}

/* -------------------------------------------------------------
 * Toast Notification
 * ------------------------------------------------------------- */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #0b1120;
  color: #f8fafc;
  border: 1px solid var(--accent-cyan);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  padding: 0.65rem 1.15rem;
  border-radius: 8px;
  font-size: 0.825rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(15px);
  pointer-events: none;
  transition: all 0.25s ease;
  z-index: 1000;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* -------------------------------------------------------------
 * Responsive Media Queries
 * ------------------------------------------------------------- */
@media (max-width: 768px) {
  .app-layout {
    padding: 1rem;
    gap: 1rem;
  }

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

  .header-telemetry {
    justify-content: flex-start;
  }

  .header-controls {
    justify-content: space-between;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }
}