.rv-key-scaffold {
  --rv-key-primary: #7a57ee;
  --rv-key-primary-hover: #6344d4;
  --rv-key-text: #1e293b;
  --rv-key-text-muted: #64748b;
  --rv-key-border: #e2e8f0;
  --rv-key-card-bg: #ffffff;
  --rv-key-bg-subtle: #f8fafc;
  --rv-key-success: #16a34a;
  --rv-key-success-bg: #f0fdf4;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 1rem 0 1.5rem;
}

.rv-key-card {
  border: 1px solid var(--rv-key-border);
  border-radius: 0.5rem;
  background: var(--rv-key-card-bg);
  padding: 1.25rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.rv-key-card--prekey {
  border-left: 3px solid var(--rv-key-primary);
}

.rv-key-card--postkey {
  border-left: 3px solid var(--rv-key-success);
  background: var(--rv-key-success-bg);
}

.rv-key-lede {
  margin: 0 0 1rem;
  color: var(--rv-key-text);
  line-height: 1.5;
  font-size: 0.9375rem;
}

.rv-key-lede strong {
  color: var(--rv-key-text);
  font-weight: 600;
}

.rv-key-cta {
  display: block;
  width: 100%;
  box-sizing: border-box;
  text-align: center;
  background: var(--rv-key-primary);
  color: #ffffff;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s;
}

.rv-key-cta:hover,
.rv-key-cta:focus {
  background: var(--rv-key-primary-hover);
  text-decoration: none;
  color: #ffffff;
}

.rv-key-cta-note {
  margin: 0.5rem 0 0;
  font-size: 0.8125rem;
  color: var(--rv-key-text-muted);
  text-align: center;
}

.rv-key-divider {
  border: 0;
  border-top: 1px solid var(--rv-key-border);
  margin: 1.25rem 0;
}

.rv-key-paste-heading {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--rv-key-text);
}

.rv-key-input {
  width: 100%;
  box-sizing: border-box;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--rv-key-border);
  border-radius: 0.5rem;
  font: inherit;
  font-size: 0.9375rem;
  color: var(--rv-key-text);
  background: var(--rv-key-card-bg);
  margin-bottom: 0.5rem;
}

.rv-key-input:focus {
  outline: none;
  border-color: var(--rv-key-primary);
  box-shadow: 0 0 0 3px rgba(122, 87, 238, 0.15);
}

.rv-key-advanced {
  margin: 0.75rem 0 1rem;
  padding: 0.75rem;
  background: var(--rv-key-bg-subtle);
  border-radius: 0.5rem;
  border: 1px solid var(--rv-key-border);
}

.rv-key-advanced > summary {
  cursor: pointer;
  font-size: 0.8125rem;
  color: var(--rv-key-primary);
  font-weight: 500;
  list-style: none;
  user-select: none;
}

.rv-key-advanced > summary::-webkit-details-marker {
  display: none;
}

.rv-key-advanced > summary::before {
  content: "▸";
  display: inline-block;
  margin-right: 0.375rem;
  transition: transform 0.15s;
}

.rv-key-advanced[open] > summary::before {
  transform: rotate(90deg);
}

.rv-key-advanced > *:not(summary) {
  margin-top: 0.625rem;
}

.rv-key-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--rv-key-text);
  font-weight: 500;
}

.rv-key-helper {
  margin: 0;
  font-size: 0.75rem;
  color: var(--rv-key-text-muted);
}

.rv-key-save {
  display: inline-block;
  background: var(--rv-key-primary);
  color: #ffffff;
  border: none;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.rv-key-save:hover,
.rv-key-save:focus {
  background: var(--rv-key-primary-hover);
}

.rv-key-confirm {
  margin: 0 0 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--rv-key-text);
}

.rv-key-server {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  color: var(--rv-key-text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  word-break: break-all;
}

.rv-key-link {
  background: transparent;
  border: none;
  color: var(--rv-key-primary);
  cursor: pointer;
  font: inherit;
  font-size: 0.8125rem;
  padding: 0;
  text-decoration: underline;
}

.rv-key-link:hover,
.rv-key-link:focus {
  color: var(--rv-key-primary-hover);
}