/* ═══════════════════════════════════════════════════════════════ */
/* Rainbow Components — KB Preview, Status, Buttons, Cards       */
/* ═══════════════════════════════════════════════════════════════ */

/* KB Preview styles */
.kb-preview {
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
  line-height: 1.6;
}

.kb-preview h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 1rem 0 0.5rem;
}

.kb-preview h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0.8rem 0 0.4rem;
}

.kb-preview h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0.6rem 0 0.3rem;
}

.kb-preview p {
  margin: 0.4rem 0;
}

.kb-preview ul,
.kb-preview ol {
  margin: 0.4rem 0 0.4rem 1.5rem;
}

.kb-preview li {
  margin: 0.2rem 0;
}

.kb-preview code {
  background: #f3f4f6;
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 0.85em;
}

.kb-preview strong {
  font-weight: 600;
}

.kb-preview em {
  font-style: italic;
}

/* Status indicators */
.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.status-online {
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}

.status-offline {
  background: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.status-pending {
  background: #f59e0b;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.6;
  }
}

/* Button hover states */
.btn-primary {
  background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px 0 rgba(14, 165, 233, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Gradient backgrounds */
.gradient-primary {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.gradient-success {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.gradient-warning {
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
}

.gradient-danger {
  background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
}

/* Card hover effects */
.card-hover {
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px 0 rgba(0, 0, 0, 0.12);
}

/* Focus styles for accessibility */
*:focus-visible {
  outline: 2px solid #0ea5e9;
  outline-offset: 2px;
}

/* Tier toggle switches */
.tier-toggle {
  position: relative;
  transition: background-color 0.2s;
}

.tier-toggle::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.tier-toggle:checked::before {
  transform: translateX(16px);
}

.tier-toggle:disabled {
  opacity: 1;
  cursor: not-allowed;
}

/* Tier disclosure (expand/collapse) — chevron icon */
.tier-disclosure-btn {
  flex-shrink: 0;
}

.tier-disclosure-btn .tier-chevron {
  transform: rotate(0deg);
}

.tier-disclosure-btn.is-expanded .tier-chevron {
  transform: rotate(90deg);
}


/* Settings sidebar nav group label */
.settings-nav-group-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #94a3b8;
  padding: 0.5rem 0.75rem 0.25rem;
}