/* ================================================================
   Mesh Network Manager — Design System
   Dark mode · Inter + JetBrains Mono · Cyan/teal accents
   User-friendly, non-technical design
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---- CSS Variables ---- */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --bg-card: #151d2e;
  --bg-card-hover: #1a2540;
  --bg-input: #0d1321;
  --bg-overlay: rgba(0, 0, 0, 0.7);

  --accent: #06b6d4;
  --accent-light: #22d3ee;
  --accent-dim: #0e7490;
  --accent-glow: rgba(6, 182, 212, 0.15);
  --accent-glow-strong: rgba(6, 182, 212, 0.3);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #22d3ee;

  --green: #10b981;
  --green-dim: rgba(16, 185, 129, 0.15);
  --red: #ef4444;
  --red-dim: rgba(239, 68, 68, 0.15);
  --yellow: #f59e0b;
  --yellow-dim: rgba(245, 158, 11, 0.15);

  --border: #1e293b;
  --border-light: #334155;

  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --transition: 0.2s ease;

  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-ui);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- Layout ---- */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
  width: 260px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.sidebar-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 0 20px var(--accent-glow);
}

.sidebar-logo .logo-text {
  display: flex;
  flex-direction: column;
}

.sidebar-logo .logo-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.sidebar-logo .logo-subtitle {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 500;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.93rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.nav-item:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.nav-item.active {
  color: var(--accent-light);
  background: var(--accent-glow);
  border-color: var(--accent-dim);
}

.nav-item .nav-icon {
  font-size: 1.15rem;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.nav-item .nav-badge {
  margin-left: auto;
  background: var(--accent-dim);
  color: var(--accent-light);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 20px;
  font-family: var(--font-mono);
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.logout-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  background: none;
  border: none;
  font-family: var(--font-ui);
  font-size: 0.93rem;
  font-weight: 500;
  cursor: pointer;
  width: 100%;
  transition: all var(--transition);
}

.logout-btn:hover {
  color: var(--red);
  background: var(--red-dim);
}

/* ---- Main Content ---- */
.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 32px;
  min-height: 100vh;
}

.page-header {
  margin-bottom: 28px;
}

.page-header h1 {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 0.93rem;
}

/* ---- Hero Status Banner ---- */
.hero-status {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 36px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 24px;
  position: relative;
  overflow: hidden;
}

.hero-status::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.hero-status.healthy::before {
  background: linear-gradient(90deg, var(--green), var(--accent));
}

.hero-status.degraded::before {
  background: linear-gradient(90deg, var(--yellow), var(--red));
}

.hero-icon {
  font-size: 3.5rem;
  flex-shrink: 0;
  line-height: 1;
}

.hero-text h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.hero-text p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ---- Quick Stats Row ---- */
.quick-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.quick-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: all var(--transition);
}

.quick-stat:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.quick-stat .qs-value {
  font-size: 2.2rem;
  font-weight: 700;
  font-family: var(--font-mono);
  line-height: 1.1;
}

.quick-stat .qs-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
}

.quick-stat .qs-value.green {
  color: var(--green);
}

.quick-stat .qs-value.red {
  color: var(--red);
}

.quick-stat .qs-value.accent {
  color: var(--accent-light);
}

/* ---- Device Cards ---- */
.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.device-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.device-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  border-radius: 4px 0 0 4px;
}

.device-card.online::before {
  background: var(--green);
}

.device-card.offline::before {
  background: var(--red);
}

.device-card:hover {
  border-color: var(--border-light);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.device-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.device-avatar {
  width: 48px;
  height: 48px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.device-title {
  flex: 1;
  min-width: 0;
}

.device-title h3 {
  font-size: 1.1rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.device-title .device-role {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.device-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.device-status-badge.online {
  background: var(--green-dim);
  color: var(--green);
}

.device-status-badge.offline {
  background: var(--red-dim);
  color: var(--red);
}

.device-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
  margin-bottom: 16px;
  padding: 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

.device-info-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.device-info-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  font-weight: 600;
}

.device-info-value {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.device-info-value.mono {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

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

/* ---- Section Card ---- */
.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
}

.section-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.section-card .section-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

/* ---- Add Device Steps ---- */
.steps-list {
  counter-reset: step;
  list-style: none;
  padding: 0;
}

.step-item {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

.step-item:last-child {
  border-bottom: none;
}

.step-number {
  counter-increment: step;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  color: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
}

.step-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ---- Key Display (copyable) ---- */
.key-box {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  word-break: break-all;
}

.key-box .copy-btn {
  background: var(--accent-dim);
  color: #fff;
  border: none;
  border-radius: var(--radius-xs);
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
  font-family: var(--font-ui);
}

.key-box .copy-btn:hover {
  background: var(--accent);
}

/* ---- Relay Status Cards ---- */
.relay-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.relay-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px;
}

.relay-card h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.relay-card .relay-value {
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 600;
}

.relay-card .relay-detail {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ---- Explainer Box ---- */
.explainer {
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 20px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.explainer .explainer-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.explainer p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ---- Keys Table (simplified) ---- */
.keys-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.key-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.key-item-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 200px;
}

.key-item-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
}

.key-item-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.key-item-right {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #fff;
  border-color: var(--accent-dim);
  box-shadow: 0 2px 12px var(--accent-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  box-shadow: 0 4px 20px var(--accent-glow-strong);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-color: var(--border-light);
}

.btn-secondary:hover {
  background: var(--border-light);
  color: var(--text-primary);
}

.btn-danger {
  background: var(--red-dim);
  color: var(--red);
  border-color: rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.25);
  border-color: var(--red);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ---- Forms ---- */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  width: 100%;
  padding: 11px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 0.93rem;
  transition: all var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input-mono {
  font-family: var(--font-mono);
  font-size: 0.88rem;
}

.form-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 6px;
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}

/* Toggle Switch */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
}

.toggle-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.toggle-sublabel {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: block;
}

.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  cursor: pointer;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  transition: all var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: all var(--transition);
}

.toggle input:checked+.toggle-slider {
  background: var(--accent-dim);
  border-color: var(--accent);
}

.toggle input:checked+.toggle-slider::before {
  background: var(--accent-light);
  transform: translateX(20px);
}

/* ---- Login ---- */
.login-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.login-overlay.hidden {
  display: none;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.logo-icon-lg {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 20px;
  box-shadow: 0 0 30px var(--accent-glow);
}

.login-card h2 {
  text-align: center;
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.login-card .login-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 28px;
}

.login-error {
  background: var(--red-dim);
  color: var(--red);
  padding: 10px 16px;
  border-radius: var(--radius-xs);
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: none;
}

.login-error.visible {
  display: block;
}

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  transform: translateY(10px);
  transition: transform 0.2s ease;
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal h3 {
  font-size: 1.15rem;
  margin-bottom: 20px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-online {
  background: var(--green-dim);
  color: var(--green);
}

.badge-offline {
  background: var(--red-dim);
  color: var(--red);
}

.badge-warning {
  background: var(--yellow-dim);
  color: var(--yellow);
}

.badge-info {
  background: var(--accent-glow);
  color: var(--accent-light);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.status-dot.online {
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-green 2s infinite;
}

.status-dot.offline {
  background: var(--red);
  box-shadow: 0 0 8px var(--red);
}

@keyframes pulse-green {

  0%,
  100% {
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.4);
  }

  50% {
    box-shadow: 0 0 16px rgba(16, 185, 129, 0.7);
  }
}

/* ---- Toast ---- */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  font-size: 0.88rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toast-in 0.3s ease;
  max-width: 400px;
}

.toast.success {
  border-color: var(--green);
}

.toast.error {
  border-color: var(--red);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(20px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ---- Spinner ---- */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-light);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.loading-state {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 0.93rem;
}

/* ---- Mobile ---- */
.mobile-toggle {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 200;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

  .main-content {
    margin-left: 0;
    padding: 20px;
    padding-top: 60px;
  }

  .mobile-toggle {
    display: block;
  }

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

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

  .quick-stats {
    grid-template-columns: 1fr 1fr;
  }

  .device-info {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .quick-stats {
    grid-template-columns: 1fr;
  }
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ---- Utilities ---- */
.mono {
  font-family: var(--font-mono);
  font-size: 0.88rem;
}

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

.text-secondary {
  color: var(--text-secondary);
}

.text-accent {
  color: var(--accent-light);
}