:root {
  --brand: #8B5CF6;
  --brand-dark: #7C3AED;
  --brand-light: #A78BFA;
  --brand-subtle: #F5F3FF;

  --bg-canvas: #FFFFFF;
  --bg-app: #FAFAFA;
  --bg-subtle: #F8FAFC;
  --bg-hover: #F1F5F9;
  --bg-dark: #0A0A0A;
  --bg-dark-card: #141414;

  --border-default: #E2E8F0;

  --text-primary: #0F172A;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-on-dark: #F4EDE2;
  --text-on-dark-muted: #8E8880;

  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-pill: 9999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand);
}

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

button.btn-primary:hover,
.btn-primary:hover {
  background: var(--brand-dark);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-subtle);
}

.hr-fieldset {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 12px 14px;
  margin-bottom: 12px;
  background: var(--bg-canvas);
}

.hr-fieldset summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
  list-style: none;
}

.hr-fieldset summary::-webkit-details-marker {
  display: none;
}

.hr-fieldset .form-hint {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 8px 0;
}

.hr-link-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.hr-link-row input {
  flex: 1;
}