/* ==========================================================================
   RefRight Design System — v2 (Enterprise)
   Canonical tokens + components for Svela AI Software Labs / RefRight.
   ==========================================================================
   Design philosophy: restrained, scholarly, enterprise-grade.
   Inspired by: Linear, Stripe, Notion, Anthropic. Optimized for trust,
   information density, and long reading sessions.

   Loaded by: index.html, pricing.html, signup.html, login.html, dashboard.html,
              workspace.html, library.html, style-manager.html, style-guide.html
   --------------------------------------------------------------------------
   1. Reset & base
   2. Design tokens
   3. Dark mode override
   4. Typography
   5. Layout primitives
   6. Buttons
   7. Form inputs
   8. Cards (default, elevated, KPI, citation)
   9. Badges, pills, dots
  10. Alerts & toasts
  11. Modals
  12. Tabs & segmented controls
  13. Navigation, breadcrumbs, avatars
  14. Tables
  15. Empty states
  16. Progress, skeleton, tooltip
  17. Utility helpers
   ========================================================================== */

/* ---------- 1. Reset & base ---------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--rr-font-sans);
  font-size: var(--rr-text-body);
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  line-height: var(--rr-leading-normal);
  color: var(--rr-color-text);
  background: var(--rr-color-bg);
  min-height: 100vh;
}

img, svg, video { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; }
a { color: var(--rr-color-brand); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

::selection {
  background: var(--rr-color-brand-light);
  color: var(--rr-color-brand-dark);
}

/* ---------- 2. Design tokens --------------------------------------------- */
:root {
  /* — Type stack — */
  --rr-font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --rr-font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;

  /* — Type scale (tightened for enterprise density) — */
  --rr-text-display: 2.75rem;  /* 44 */
  --rr-text-h1: 2rem;          /* 32 */
  --rr-text-h2: 1.5rem;        /* 24 */
  --rr-text-h3: 1.25rem;       /* 20 */
  --rr-text-h4: 1rem;          /* 16 */
  --rr-text-body-lg: 0.9375rem;/* 15 */
  --rr-text-body: 0.875rem;    /* 14 */
  --rr-text-body-sm: 0.8125rem;/* 13 */
  --rr-text-caption: 0.6875rem;/* 11 */

  /* — Weights — */
  --rr-weight-regular: 400;
  --rr-weight-medium: 500;
  --rr-weight-semibold: 600;
  --rr-weight-bold: 700;

  /* — Line heights — */
  --rr-leading-tight: 1.15;
  --rr-leading-snug: 1.35;
  --rr-leading-normal: 1.55;
  --rr-leading-relaxed: 1.7;

  /* — Letter spacing — */
  --rr-tracking-tightest: -0.025em;
  --rr-tracking-tight: -0.015em;
  --rr-tracking-normal: 0;
  --rr-tracking-wide: 0.025em;
  --rr-tracking-widest: 0.06em;

  /* — Spacing scale (4px base) — */
  --rr-space-0: 0;
  --rr-space-1: 0.25rem;   /* 4 */
  --rr-space-2: 0.5rem;    /* 8 */
  --rr-space-3: 0.75rem;   /* 12 */
  --rr-space-4: 1rem;      /* 16 */
  --rr-space-5: 1.25rem;   /* 20 */
  --rr-space-6: 1.5rem;    /* 24 */
  --rr-space-8: 2rem;      /* 32 */
  --rr-space-10: 2.5rem;   /* 40 */
  --rr-space-12: 3rem;     /* 48 */
  --rr-space-16: 4rem;     /* 64 */
  --rr-space-20: 5rem;     /* 80 */
  --rr-space-24: 6rem;     /* 96 */

  /* — Border radii (tighter for enterprise) — */
  --rr-radius-xs: 3px;
  --rr-radius-sm: 4px;
  --rr-radius-md: 6px;
  --rr-radius-lg: 8px;
  --rr-radius-xl: 12px;
  --rr-radius-2xl: 16px;
  --rr-radius-full: 9999px;

  /* — Shadows (subtler) — */
  --rr-shadow-xs: 0 1px 1px rgba(15, 23, 42, 0.04);
  --rr-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05), 0 1px 3px rgba(15, 23, 42, 0.04);
  --rr-shadow-md: 0 4px 8px -2px rgba(15, 23, 42, 0.06), 0 2px 4px -1px rgba(15, 23, 42, 0.04);
  --rr-shadow-lg: 0 12px 24px -8px rgba(15, 23, 42, 0.08), 0 4px 8px -2px rgba(15, 23, 42, 0.05);
  --rr-shadow-xl: 0 24px 48px -12px rgba(15, 23, 42, 0.12);
  --rr-shadow-focus: 0 0 0 3px rgba(79, 70, 229, 0.18);
  --rr-shadow-focus-danger: 0 0 0 3px rgba(220, 38, 38, 0.16);

  /* — Motion — */
  --rr-transition-fast: 100ms cubic-bezier(0.4, 0, 0.2, 1);
  --rr-transition-base: 160ms cubic-bezier(0.4, 0, 0.2, 1);
  --rr-transition-slow: 240ms cubic-bezier(0.4, 0, 0.2, 1);

  /* — Layout — */
  --rr-container-max: 1240px;
  --rr-container-narrow: 760px;
  --rr-container-prose: 640px;

  /* — Z-index — */
  --rr-z-dropdown: 100;
  --rr-z-sticky: 200;
  --rr-z-modal: 1000;
  --rr-z-toast: 1500;
  --rr-z-tooltip: 1600;

  /* ────────────────────────────────────────────────────────────────────── */
  /* COLOR TOKENS — Light mode (default)                                    */
  /* ────────────────────────────────────────────────────────────────────── */

  /* Brand: Indigo (RefRight primary action color) */
  --rr-color-brand: #4f46e5;
  --rr-color-brand-hover: #4338ca;
  --rr-color-brand-active: #3730a3;
  --rr-color-brand-light: #eef2ff;
  --rr-color-brand-tint: #f5f6ff;
  --rr-color-brand-dark: #312e81;

  /* Vela: Violet — RESTRAINED. Only the Svela parent brand-mark + the
     "Indian academic" student tier badge. Not for everyday UI. */
  --rr-color-vela: #7c3aed;
  --rr-color-vela-hover: #6d28d9;
  --rr-color-vela-light: #f5f3ff;
  --rr-color-vela-dark: #4c1d95;

  /* Semantic — Success */
  --rr-color-success: #15803d;
  --rr-color-success-hover: #166534;
  --rr-color-success-light: #f0fdf4;
  --rr-color-success-bg: #dcfce7;
  --rr-color-success-dark: #14532d;

  /* Semantic — Warning */
  --rr-color-warning: #b45309;
  --rr-color-warning-hover: #92400e;
  --rr-color-warning-light: #fffbeb;
  --rr-color-warning-bg: #fef3c7;
  --rr-color-warning-dark: #78350f;

  /* Semantic — Danger */
  --rr-color-danger: #b91c1c;
  --rr-color-danger-hover: #991b1b;
  --rr-color-danger-light: #fef2f2;
  --rr-color-danger-bg: #fee2e2;
  --rr-color-danger-dark: #7f1d1d;

  /* Semantic — Info */
  --rr-color-info: #1d4ed8;
  --rr-color-info-hover: #1e40af;
  --rr-color-info-light: #eff6ff;
  --rr-color-info-bg: #dbeafe;
  --rr-color-info-dark: #1e3a8a;

  /* Neutrals — Slate scale */
  --rr-color-slate-25: #fcfcfd;
  --rr-color-slate-50: #f8fafc;
  --rr-color-slate-100: #f1f5f9;
  --rr-color-slate-200: #e2e8f0;
  --rr-color-slate-300: #cbd5e1;
  --rr-color-slate-400: #94a3b8;
  --rr-color-slate-500: #64748b;
  --rr-color-slate-600: #475569;
  --rr-color-slate-700: #334155;
  --rr-color-slate-800: #1e293b;
  --rr-color-slate-900: #0f172a;
  --rr-color-slate-950: #020617;

  /* — Surface & text aliases (light) — */
  --rr-color-bg: var(--rr-color-slate-25);
  --rr-color-bg-subtle: var(--rr-color-slate-50);
  --rr-color-surface: #ffffff;
  --rr-color-surface-2: var(--rr-color-slate-50);
  --rr-color-surface-hover: var(--rr-color-slate-100);
  --rr-color-border: var(--rr-color-slate-200);
  --rr-color-border-strong: var(--rr-color-slate-300);
  --rr-color-text: var(--rr-color-slate-900);
  --rr-color-text-strong: var(--rr-color-slate-950);
  --rr-color-text-muted: var(--rr-color-slate-600);
  --rr-color-text-subtle: var(--rr-color-slate-500);
  --rr-color-text-faint: var(--rr-color-slate-400);
  --rr-color-text-inverse: #ffffff;

  --rr-color-code-bg: var(--rr-color-slate-100);
  --rr-color-code-text: var(--rr-color-slate-700);
}

/* ---------- 3. Dark mode override ---------------------------------------- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --rr-color-bg: #0a0e1a;
    --rr-color-bg-subtle: #0f1626;
    --rr-color-surface: #131a2b;
    --rr-color-surface-2: #1a2236;
    --rr-color-surface-hover: #232c44;
    --rr-color-border: #243049;
    --rr-color-border-strong: #2f3d5a;
    --rr-color-text: #f1f5f9;
    --rr-color-text-strong: #ffffff;
    --rr-color-text-muted: #cbd5e1;
    --rr-color-text-subtle: #94a3b8;
    --rr-color-text-faint: #64748b;
    --rr-color-text-inverse: var(--rr-color-slate-900);

    --rr-color-brand: #818cf8;
    --rr-color-brand-hover: #a5b4fc;
    --rr-color-brand-active: #6366f1;
    --rr-color-brand-light: rgba(99, 102, 241, 0.14);
    --rr-color-brand-tint: rgba(99, 102, 241, 0.07);
    --rr-color-brand-dark: #c7d2fe;

    --rr-color-vela: #a78bfa;
    --rr-color-vela-hover: #c4b5fd;
    --rr-color-vela-light: rgba(167, 139, 250, 0.14);
    --rr-color-vela-dark: #ddd6fe;

    --rr-color-success: #4ade80;
    --rr-color-success-light: rgba(34, 197, 94, 0.10);
    --rr-color-success-bg: rgba(34, 197, 94, 0.18);
    --rr-color-success-dark: #86efac;

    --rr-color-warning: #fbbf24;
    --rr-color-warning-light: rgba(245, 158, 11, 0.10);
    --rr-color-warning-bg: rgba(245, 158, 11, 0.18);
    --rr-color-warning-dark: #fde68a;

    --rr-color-danger: #f87171;
    --rr-color-danger-light: rgba(239, 68, 68, 0.10);
    --rr-color-danger-bg: rgba(239, 68, 68, 0.18);
    --rr-color-danger-dark: #fca5a5;

    --rr-color-info: #60a5fa;
    --rr-color-info-light: rgba(96, 165, 250, 0.10);
    --rr-color-info-bg: rgba(96, 165, 250, 0.18);
    --rr-color-info-dark: #bfdbfe;

    --rr-color-code-bg: rgba(148, 163, 184, 0.12);
    --rr-color-code-text: var(--rr-color-slate-200);

    --rr-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --rr-shadow-md: 0 4px 8px -2px rgba(0, 0, 0, 0.4);
    --rr-shadow-lg: 0 12px 24px -8px rgba(0, 0, 0, 0.55);
    --rr-shadow-xl: 0 24px 48px -12px rgba(0, 0, 0, 0.7);
    --rr-shadow-focus: 0 0 0 3px rgba(129, 140, 248, 0.35);
  }
}

:root[data-theme="dark"] {
  --rr-color-bg: #0a0e1a;
  --rr-color-bg-subtle: #0f1626;
  --rr-color-surface: #131a2b;
  --rr-color-surface-2: #1a2236;
  --rr-color-surface-hover: #232c44;
  --rr-color-border: #243049;
  --rr-color-border-strong: #2f3d5a;
  --rr-color-text: #f1f5f9;
  --rr-color-text-strong: #ffffff;
  --rr-color-text-muted: #cbd5e1;
  --rr-color-text-subtle: #94a3b8;
  --rr-color-text-faint: #64748b;
  --rr-color-text-inverse: var(--rr-color-slate-900);
  --rr-color-brand: #818cf8;
  --rr-color-brand-hover: #a5b4fc;
  --rr-color-brand-active: #6366f1;
  --rr-color-brand-light: rgba(99, 102, 241, 0.14);
  --rr-color-brand-tint: rgba(99, 102, 241, 0.07);
  --rr-color-vela: #a78bfa;
  --rr-color-vela-hover: #c4b5fd;
  --rr-color-vela-light: rgba(167, 139, 250, 0.14);
  --rr-color-success: #4ade80;
  --rr-color-success-light: rgba(34, 197, 94, 0.10);
  --rr-color-success-bg: rgba(34, 197, 94, 0.18);
  --rr-color-warning: #fbbf24;
  --rr-color-warning-light: rgba(245, 158, 11, 0.10);
  --rr-color-warning-bg: rgba(245, 158, 11, 0.18);
  --rr-color-danger: #f87171;
  --rr-color-danger-light: rgba(239, 68, 68, 0.10);
  --rr-color-danger-bg: rgba(239, 68, 68, 0.18);
  --rr-color-info: #60a5fa;
  --rr-color-info-light: rgba(96, 165, 250, 0.10);
  --rr-color-info-bg: rgba(96, 165, 250, 0.18);
  --rr-color-code-bg: rgba(148, 163, 184, 0.12);
  --rr-color-code-text: var(--rr-color-slate-200);
}

/* ---------- 4. Typography ------------------------------------------------ */
.rr-display {
  font-size: var(--rr-text-display);
  font-weight: var(--rr-weight-bold);
  letter-spacing: var(--rr-tracking-tightest);
  line-height: var(--rr-leading-tight);
  color: var(--rr-color-text-strong);
}
.rr-h1 {
  font-size: var(--rr-text-h1);
  font-weight: var(--rr-weight-bold);
  letter-spacing: var(--rr-tracking-tight);
  line-height: var(--rr-leading-tight);
  color: var(--rr-color-text-strong);
}
.rr-h2 {
  font-size: var(--rr-text-h2);
  font-weight: var(--rr-weight-semibold);
  letter-spacing: var(--rr-tracking-tight);
  line-height: var(--rr-leading-snug);
  color: var(--rr-color-text-strong);
}
.rr-h3 {
  font-size: var(--rr-text-h3);
  font-weight: var(--rr-weight-semibold);
  line-height: var(--rr-leading-snug);
  color: var(--rr-color-text-strong);
}
.rr-h4 {
  font-size: var(--rr-text-h4);
  font-weight: var(--rr-weight-semibold);
  line-height: var(--rr-leading-snug);
  color: var(--rr-color-text-strong);
}
.rr-text-lg { font-size: var(--rr-text-body-lg); line-height: var(--rr-leading-normal); }
.rr-text-sm { font-size: var(--rr-text-body-sm); }
.rr-text-caption {
  font-size: var(--rr-text-caption);
  font-weight: var(--rr-weight-semibold);
  letter-spacing: var(--rr-tracking-widest);
  text-transform: uppercase;
  color: var(--rr-color-text-subtle);
}
.rr-text-muted  { color: var(--rr-color-text-muted); }
.rr-text-subtle { color: var(--rr-color-text-subtle); }
.rr-text-strong { color: var(--rr-color-text-strong); }
.rr-text-mono   { font-family: var(--rr-font-mono); font-size: 0.92em; }
.rr-text-num    { font-variant-numeric: tabular-nums; }

/* Lead paragraph (intro text under hero) */
.rr-lead {
  font-size: var(--rr-text-body-lg);
  line-height: var(--rr-leading-relaxed);
  color: var(--rr-color-text-muted);
}

/* ---------- 5. Layout primitives ----------------------------------------- */
.rr-container {
  width: 100%;
  max-width: var(--rr-container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--rr-space-6);
  padding-right: var(--rr-space-6);
}
.rr-container-narrow {
  width: 100%;
  max-width: var(--rr-container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--rr-space-6);
  padding-right: var(--rr-space-6);
}
.rr-container-prose {
  width: 100%;
  max-width: var(--rr-container-prose);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--rr-space-6);
  padding-right: var(--rr-space-6);
}
.rr-stack { display: flex; flex-direction: column; }
.rr-row   { display: flex; align-items: center; }
.rr-row--wrap { flex-wrap: wrap; }
.rr-row--between { justify-content: space-between; }
.rr-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--rr-space-5); }
.rr-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--rr-space-5); }
.rr-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--rr-space-5); }
.rr-grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--rr-space-5);
}

@media (max-width: 768px) {
  .rr-grid-2, .rr-grid-3, .rr-grid-4 { grid-template-columns: 1fr; }
}

.rr-gap-1 { gap: var(--rr-space-1); }
.rr-gap-2 { gap: var(--rr-space-2); }
.rr-gap-3 { gap: var(--rr-space-3); }
.rr-gap-4 { gap: var(--rr-space-4); }
.rr-gap-5 { gap: var(--rr-space-5); }
.rr-gap-6 { gap: var(--rr-space-6); }
.rr-gap-8 { gap: var(--rr-space-8); }

/* Section */
.rr-section { padding: var(--rr-space-16) 0; }
.rr-section--tight { padding: var(--rr-space-10) 0; }
.rr-section-head { margin-bottom: var(--rr-space-8); }

/* ---------- 6. Buttons --------------------------------------------------- */
.rr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--rr-space-2);
  padding: 0 var(--rr-space-4);
  height: 36px;
  border: 1px solid transparent;
  border-radius: var(--rr-radius-md);
  font-family: inherit;
  font-size: var(--rr-text-body);
  font-weight: var(--rr-weight-semibold);
  line-height: 1;
  letter-spacing: var(--rr-tracking-tight);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--rr-transition-fast),
              border-color var(--rr-transition-fast),
              color var(--rr-transition-fast),
              box-shadow var(--rr-transition-fast);
  white-space: nowrap;
  user-select: none;
}
.rr-btn:hover { text-decoration: none; }
.rr-btn:focus-visible { outline: none; box-shadow: var(--rr-shadow-focus); }
.rr-btn:disabled, .rr-btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.rr-btn--primary {
  background: var(--rr-color-brand);
  color: #ffffff;
  box-shadow: var(--rr-shadow-xs);
}
.rr-btn--primary:hover { background: var(--rr-color-brand-hover); }
.rr-btn--primary:active { background: var(--rr-color-brand-active); }

.rr-btn--vela {
  background: var(--rr-color-vela);
  color: #ffffff;
  box-shadow: var(--rr-shadow-xs);
}
.rr-btn--vela:hover { background: var(--rr-color-vela-hover); }

.rr-btn--secondary {
  background: var(--rr-color-surface);
  color: var(--rr-color-text);
  border-color: var(--rr-color-border-strong);
  box-shadow: var(--rr-shadow-xs);
}
.rr-btn--secondary:hover {
  background: var(--rr-color-surface-hover);
  border-color: var(--rr-color-border-strong);
}

.rr-btn--ghost {
  background: transparent;
  color: var(--rr-color-text-muted);
}
.rr-btn--ghost:hover {
  background: var(--rr-color-surface-hover);
  color: var(--rr-color-text);
}

.rr-btn--danger {
  background: var(--rr-color-danger);
  color: #ffffff;
}
.rr-btn--danger:hover { background: var(--rr-color-danger-hover); }

.rr-btn--link {
  background: transparent;
  color: var(--rr-color-brand);
  height: auto;
  padding: 0;
  border: none;
}
.rr-btn--link:hover { color: var(--rr-color-brand-hover); text-decoration: underline; text-underline-offset: 3px; }

/* Sizes */
.rr-btn--xs { height: 26px; padding: 0 var(--rr-space-2); font-size: var(--rr-text-caption); }
.rr-btn--sm { height: 32px; padding: 0 var(--rr-space-3); font-size: var(--rr-text-body-sm); }
.rr-btn--lg { height: 44px; padding: 0 var(--rr-space-6); font-size: var(--rr-text-body-lg); }

.rr-btn--icon { width: 36px; padding: 0; }
.rr-btn--icon.rr-btn--xs { width: 26px; }
.rr-btn--icon.rr-btn--sm { width: 32px; }
.rr-btn--icon.rr-btn--lg { width: 44px; }
.rr-btn--block { width: 100%; }
.rr-btn--pill  { border-radius: var(--rr-radius-full); }

/* Button group (segmented action set) */
.rr-btn-group { display: inline-flex; }
.rr-btn-group .rr-btn { border-radius: 0; margin-left: -1px; }
.rr-btn-group .rr-btn:first-child {
  border-top-left-radius: var(--rr-radius-md);
  border-bottom-left-radius: var(--rr-radius-md);
  margin-left: 0;
}
.rr-btn-group .rr-btn:last-child {
  border-top-right-radius: var(--rr-radius-md);
  border-bottom-right-radius: var(--rr-radius-md);
}

/* ---------- 7. Form inputs ----------------------------------------------- */
.rr-field { display: flex; flex-direction: column; gap: var(--rr-space-2); }
.rr-label {
  font-size: var(--rr-text-body-sm);
  font-weight: var(--rr-weight-semibold);
  color: var(--rr-color-text);
}
.rr-label-hint {
  font-weight: var(--rr-weight-regular);
  color: var(--rr-color-text-subtle);
  margin-left: var(--rr-space-2);
}

.rr-input,
.rr-select,
.rr-textarea {
  display: block;
  width: 100%;
  padding: 0 var(--rr-space-3);
  height: 36px;
  font-family: inherit;
  font-size: var(--rr-text-body);
  color: var(--rr-color-text);
  background: var(--rr-color-surface);
  border: 1px solid var(--rr-color-border-strong);
  border-radius: var(--rr-radius-md);
  box-shadow: var(--rr-shadow-xs);
  transition: border-color var(--rr-transition-fast), box-shadow var(--rr-transition-fast);
}
.rr-textarea {
  height: auto;
  min-height: 96px;
  padding: var(--rr-space-2) var(--rr-space-3);
  resize: vertical;
  line-height: var(--rr-leading-normal);
}
.rr-input::placeholder,
.rr-textarea::placeholder { color: var(--rr-color-text-faint); }

.rr-input:hover,
.rr-select:hover,
.rr-textarea:hover { border-color: var(--rr-color-slate-400); }

.rr-input:focus,
.rr-select:focus,
.rr-textarea:focus {
  outline: none;
  border-color: var(--rr-color-brand);
  box-shadow: var(--rr-shadow-focus);
}

.rr-input:disabled,
.rr-select:disabled,
.rr-textarea:disabled {
  background: var(--rr-color-surface-2);
  color: var(--rr-color-text-faint);
  cursor: not-allowed;
}

.rr-field--error .rr-input,
.rr-field--error .rr-select,
.rr-field--error .rr-textarea { border-color: var(--rr-color-danger); }
.rr-field--error .rr-input:focus,
.rr-field--error .rr-select:focus,
.rr-field--error .rr-textarea:focus { box-shadow: var(--rr-shadow-focus-danger); }

.rr-field-msg {
  font-size: var(--rr-text-body-sm);
  color: var(--rr-color-text-subtle);
}
.rr-field-msg--error   { color: var(--rr-color-danger); }
.rr-field-msg--success { color: var(--rr-color-success); }

.rr-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path fill='%2364748b' d='M2.5 4.5L6 8l3.5-3.5z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: var(--rr-space-8);
}

.rr-check {
  display: inline-flex;
  align-items: center;
  gap: var(--rr-space-2);
  font-size: var(--rr-text-body-sm);
  color: var(--rr-color-text);
  cursor: pointer;
  user-select: none;
}
.rr-check input[type="checkbox"],
.rr-check input[type="radio"] {
  width: 14px;
  height: 14px;
  accent-color: var(--rr-color-brand);
  cursor: pointer;
}

.rr-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--rr-space-3);
  font-size: var(--rr-text-body-sm);
  cursor: pointer;
  user-select: none;
}
.rr-toggle-input { display: none; }
.rr-toggle-track {
  width: 32px;
  height: 18px;
  background: var(--rr-color-slate-300);
  border-radius: var(--rr-radius-full);
  position: relative;
  transition: background var(--rr-transition-fast);
}
.rr-toggle-track::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  background: #fff;
  border-radius: var(--rr-radius-full);
  box-shadow: var(--rr-shadow-sm);
  transition: transform var(--rr-transition-fast);
}
.rr-toggle-input:checked + .rr-toggle-track { background: var(--rr-color-brand); }
.rr-toggle-input:checked + .rr-toggle-track::after { transform: translateX(14px); }

/* Input group with leading icon */
.rr-input-group { position: relative; }
.rr-input-group .rr-input { padding-left: var(--rr-space-10); }
.rr-input-group-icon {
  position: absolute;
  left: var(--rr-space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--rr-color-text-faint);
  pointer-events: none;
  font-size: var(--rr-text-body);
  line-height: 1;
}

/* ---------- 8. Cards ----------------------------------------------------- */
.rr-card {
  background: var(--rr-color-surface);
  border: 1px solid var(--rr-color-border);
  border-radius: var(--rr-radius-lg);
  padding: var(--rr-space-5);
}
.rr-card--lg { padding: var(--rr-space-6); }
.rr-card--xl { padding: var(--rr-space-8); }
.rr-card--elevated {
  border-color: var(--rr-color-border);
  box-shadow: var(--rr-shadow-md);
}
.rr-card--interactive {
  transition: border-color var(--rr-transition-base), box-shadow var(--rr-transition-base);
  cursor: pointer;
}
.rr-card--interactive:hover {
  border-color: var(--rr-color-border-strong);
  box-shadow: var(--rr-shadow-md);
}
.rr-card--accent {
  border-color: var(--rr-color-brand);
  box-shadow: 0 0 0 1px var(--rr-color-brand);
}
.rr-card-title { font-size: var(--rr-text-h4); font-weight: var(--rr-weight-semibold); color: var(--rr-color-text-strong); }
.rr-card-meta  { font-size: var(--rr-text-body-sm); color: var(--rr-color-text-subtle); }

/* KPI / stat card — for dashboards */
.rr-kpi {
  background: var(--rr-color-surface);
  border: 1px solid var(--rr-color-border);
  border-radius: var(--rr-radius-lg);
  padding: var(--rr-space-5);
  display: flex;
  flex-direction: column;
  gap: var(--rr-space-1);
}
.rr-kpi-label {
  font-size: var(--rr-text-body-sm);
  color: var(--rr-color-text-muted);
  font-weight: var(--rr-weight-medium);
}
.rr-kpi-value {
  font-size: var(--rr-text-h2);
  font-weight: var(--rr-weight-bold);
  color: var(--rr-color-text-strong);
  letter-spacing: var(--rr-tracking-tight);
  font-variant-numeric: tabular-nums;
  line-height: var(--rr-leading-tight);
}
.rr-kpi-delta {
  display: inline-flex;
  align-items: center;
  gap: var(--rr-space-1);
  font-size: var(--rr-text-body-sm);
  font-weight: var(--rr-weight-medium);
  margin-top: var(--rr-space-1);
}
.rr-kpi-delta--up   { color: var(--rr-color-success); }
.rr-kpi-delta--down { color: var(--rr-color-danger); }
.rr-kpi-delta--flat { color: var(--rr-color-text-subtle); }

/* Citation card — domain-specific (used in workspace, library, search results) */
.rr-citation {
  background: var(--rr-color-surface);
  border: 1px solid var(--rr-color-border);
  border-left: 3px solid var(--rr-color-border-strong);
  border-radius: var(--rr-radius-md);
  padding: var(--rr-space-3) var(--rr-space-4);
  display: flex;
  flex-direction: column;
  gap: var(--rr-space-1);
}
.rr-citation--ok        { border-left-color: var(--rr-color-success); }
.rr-citation--warn      { border-left-color: var(--rr-color-warning); }
.rr-citation--retracted { border-left-color: var(--rr-color-danger); background: var(--rr-color-danger-light); }
.rr-citation--duplicate { border-left-color: var(--rr-color-warning); background: var(--rr-color-warning-light); }
.rr-citation-text {
  font-size: var(--rr-text-body);
  line-height: var(--rr-leading-normal);
  color: var(--rr-color-text);
}
.rr-citation-meta {
  display: flex;
  gap: var(--rr-space-3);
  font-size: var(--rr-text-body-sm);
  color: var(--rr-color-text-subtle);
}

/* ---------- 9. Badges, pills, dots --------------------------------------- */
.rr-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 20px;
  padding: 0 8px;
  font-size: var(--rr-text-caption);
  font-weight: var(--rr-weight-semibold);
  letter-spacing: var(--rr-tracking-wide);
  text-transform: uppercase;
  border-radius: var(--rr-radius-sm);
  background: var(--rr-color-surface-2);
  color: var(--rr-color-text-muted);
  border: 1px solid var(--rr-color-border);
  white-space: nowrap;
}
.rr-badge--brand   { background: var(--rr-color-brand-light);   color: var(--rr-color-brand-dark);   border-color: transparent; }
.rr-badge--vela    { background: var(--rr-color-vela-light);    color: var(--rr-color-vela-dark);    border-color: transparent; }
.rr-badge--success { background: var(--rr-color-success-bg);    color: var(--rr-color-success-dark); border-color: transparent; }
.rr-badge--warning { background: var(--rr-color-warning-bg);    color: var(--rr-color-warning-dark); border-color: transparent; }
.rr-badge--danger  { background: var(--rr-color-danger-bg);     color: var(--rr-color-danger-dark);  border-color: transparent; }
.rr-badge--info    { background: var(--rr-color-info-bg);       color: var(--rr-color-info-dark);    border-color: transparent; }
.rr-badge--solid   { background: var(--rr-color-brand); color: #fff; border-color: transparent; }

.rr-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--rr-space-1);
  height: 24px;
  padding: 0 10px;
  font-size: var(--rr-text-body-sm);
  font-weight: var(--rr-weight-medium);
  border-radius: var(--rr-radius-full);
  background: var(--rr-color-surface);
  color: var(--rr-color-text-muted);
  border: 1px solid var(--rr-color-border);
}

.rr-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: var(--rr-radius-full);
  background: var(--rr-color-text-faint);
  flex-shrink: 0;
}
.rr-dot--brand   { background: var(--rr-color-brand); }
.rr-dot--success { background: var(--rr-color-success); }
.rr-dot--warning { background: var(--rr-color-warning); }
.rr-dot--danger  { background: var(--rr-color-danger); }
.rr-dot--info    { background: var(--rr-color-info); }
.rr-dot--pulse {
  position: relative;
  animation: rr-pulse-dot 2s ease-in-out infinite;
}
@keyframes rr-pulse-dot {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.3; }
}

/* ---------- 10. Alerts & toasts ------------------------------------------ */
.rr-alert {
  display: flex;
  gap: var(--rr-space-3);
  padding: var(--rr-space-3) var(--rr-space-4);
  border-radius: var(--rr-radius-md);
  border: 1px solid var(--rr-color-border);
  background: var(--rr-color-surface-2);
  font-size: var(--rr-text-body);
  line-height: var(--rr-leading-snug);
}
.rr-alert-icon {
  flex-shrink: 0;
  width: 16px; height: 16px;
  margin-top: 1px;
  font-weight: var(--rr-weight-bold);
  font-size: 13px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.rr-alert-body { flex: 1; }
.rr-alert-title { font-weight: var(--rr-weight-semibold); margin-bottom: 2px; color: inherit; }
.rr-alert-text  { color: inherit; opacity: 0.85; }

.rr-alert--info    { background: var(--rr-color-info-light);    border-color: rgba(29, 78, 216, 0.18);  color: var(--rr-color-info-dark); }
.rr-alert--success { background: var(--rr-color-success-light); border-color: rgba(21, 128, 61, 0.18); color: var(--rr-color-success-dark); }
.rr-alert--warning { background: var(--rr-color-warning-light); border-color: rgba(180, 83, 9, 0.18);  color: var(--rr-color-warning-dark); }
.rr-alert--danger  { background: var(--rr-color-danger-light);  border-color: rgba(185, 28, 28, 0.18); color: var(--rr-color-danger-dark); }

.rr-toast {
  background: var(--rr-color-slate-900);
  color: #ffffff;
  padding: var(--rr-space-3) var(--rr-space-4);
  border-radius: var(--rr-radius-md);
  box-shadow: var(--rr-shadow-lg);
  display: inline-flex;
  align-items: center;
  gap: var(--rr-space-3);
  font-size: var(--rr-text-body-sm);
  font-weight: var(--rr-weight-medium);
  max-width: 420px;
}
.rr-toast-close {
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  cursor: pointer;
  margin-left: var(--rr-space-2);
}
.rr-toast-close:hover { color: #fff; }

/* ---------- 11. Modals --------------------------------------------------- */
.rr-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--rr-space-4);
  z-index: var(--rr-z-modal);
}
.rr-modal {
  background: var(--rr-color-surface);
  border-radius: var(--rr-radius-xl);
  box-shadow: var(--rr-shadow-xl);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--rr-color-border);
}
.rr-modal--lg { max-width: 720px; }
.rr-modal--xl { max-width: 960px; }
.rr-modal-header {
  padding: var(--rr-space-4) var(--rr-space-5);
  border-bottom: 1px solid var(--rr-color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.rr-modal-title { font-size: var(--rr-text-h4); font-weight: var(--rr-weight-semibold); color: var(--rr-color-text-strong); }
.rr-modal-body  { padding: var(--rr-space-5); overflow-y: auto; }
.rr-modal-footer {
  padding: var(--rr-space-3) var(--rr-space-5);
  border-top: 1px solid var(--rr-color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--rr-space-2);
  background: var(--rr-color-surface-2);
}

/* ---------- 12. Tabs & segmented controls -------------------------------- */
.rr-tabs {
  display: flex;
  gap: var(--rr-space-1);
  border-bottom: 1px solid var(--rr-color-border);
}
.rr-tab {
  padding: var(--rr-space-2) var(--rr-space-3);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: var(--rr-text-body-sm);
  font-weight: var(--rr-weight-medium);
  color: var(--rr-color-text-muted);
  cursor: pointer;
  transition: color var(--rr-transition-fast), border-color var(--rr-transition-fast);
  margin-bottom: -1px;
  display: inline-flex;
  align-items: center;
  gap: var(--rr-space-1);
}
.rr-tab:hover { color: var(--rr-color-text); }
.rr-tab--active {
  color: var(--rr-color-brand);
  border-bottom-color: var(--rr-color-brand);
}

.rr-segmented {
  display: inline-flex;
  padding: 3px;
  background: var(--rr-color-surface-2);
  border: 1px solid var(--rr-color-border);
  border-radius: var(--rr-radius-md);
}
.rr-segmented-btn {
  padding: 5px 12px;
  font-size: var(--rr-text-body-sm);
  font-weight: var(--rr-weight-semibold);
  background: transparent;
  border: none;
  color: var(--rr-color-text-muted);
  border-radius: var(--rr-radius-sm);
  cursor: pointer;
  transition: background var(--rr-transition-fast), color var(--rr-transition-fast);
}
.rr-segmented-btn--active {
  background: var(--rr-color-surface);
  color: var(--rr-color-text-strong);
  box-shadow: var(--rr-shadow-xs);
}

/* ---------- 13. Navigation, breadcrumbs, avatars ------------------------- */
.rr-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 var(--rr-space-6);
  background: var(--rr-color-surface);
  border-bottom: 1px solid var(--rr-color-border);
  position: sticky;
  top: 0;
  z-index: var(--rr-z-sticky);
}
.rr-nav-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--rr-space-2);
  font-size: var(--rr-text-h4);
  font-weight: var(--rr-weight-bold);
  letter-spacing: var(--rr-tracking-tight);
  color: var(--rr-color-text-strong);
  text-decoration: none;
}
.rr-nav-brand:hover { text-decoration: none; }
.rr-nav-brand-mark {
  width: 24px; height: 24px;
  border-radius: var(--rr-radius-sm);
  background: url("/refright/logo.svg") center / contain no-repeat;
  flex-shrink: 0;
}
.rr-nav-divider {
  width: 1px; height: 20px;
  background: var(--rr-color-border);
  margin: 0 var(--rr-space-3);
}
.rr-nav-links { display: flex; gap: var(--rr-space-1); align-items: center; }
.rr-nav-link {
  padding: var(--rr-space-1) var(--rr-space-3);
  height: 32px;
  display: inline-flex;
  align-items: center;
  font-size: var(--rr-text-body-sm);
  font-weight: var(--rr-weight-medium);
  color: var(--rr-color-text-muted);
  border-radius: var(--rr-radius-sm);
  text-decoration: none;
  transition: color var(--rr-transition-fast), background var(--rr-transition-fast);
}
.rr-nav-link:hover {
  color: var(--rr-color-text);
  background: var(--rr-color-surface-hover);
  text-decoration: none;
}
.rr-nav-link--active {
  color: var(--rr-color-text-strong);
  background: var(--rr-color-surface-hover);
}

@media (max-width: 768px) {
  .rr-nav { padding: 0 var(--rr-space-4); }
}

.rr-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--rr-space-2);
  font-size: var(--rr-text-body-sm);
  color: var(--rr-color-text-subtle);
}
.rr-breadcrumb a { color: var(--rr-color-text-muted); text-decoration: none; }
.rr-breadcrumb a:hover { color: var(--rr-color-text); text-decoration: none; }
.rr-breadcrumb-sep { color: var(--rr-color-text-faint); user-select: none; }
.rr-breadcrumb-current {
  color: var(--rr-color-text-strong);
  font-weight: var(--rr-weight-medium);
}

.rr-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: var(--rr-radius-full);
  background: var(--rr-color-brand-light);
  color: var(--rr-color-brand-dark);
  font-size: var(--rr-text-body-sm);
  font-weight: var(--rr-weight-semibold);
  flex-shrink: 0;
  text-transform: uppercase;
}
.rr-avatar--sm { width: 24px; height: 24px; font-size: var(--rr-text-caption); }
.rr-avatar--lg { width: 40px; height: 40px; font-size: var(--rr-text-body); }
.rr-avatar--xl { width: 64px; height: 64px; font-size: var(--rr-text-h4); }

.rr-user-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--rr-space-2);
  padding: 4px var(--rr-space-2);
  border-radius: var(--rr-radius-md);
  background: var(--rr-color-surface);
  border: 1px solid var(--rr-color-border);
  cursor: pointer;
}
.rr-user-chip:hover { background: var(--rr-color-surface-hover); }
.rr-user-chip-name {
  font-size: var(--rr-text-body-sm);
  font-weight: var(--rr-weight-medium);
  color: var(--rr-color-text);
}

/* ---------- 14. Tables --------------------------------------------------- */
.rr-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--rr-color-surface);
  border-radius: var(--rr-radius-lg);
  overflow: hidden;
  border: 1px solid var(--rr-color-border);
  font-size: var(--rr-text-body-sm);
}
.rr-table thead { background: var(--rr-color-surface-2); }
.rr-table th, .rr-table td {
  padding: var(--rr-space-3) var(--rr-space-4);
  text-align: left;
  border-bottom: 1px solid var(--rr-color-border);
  vertical-align: top;
}
.rr-table th {
  font-weight: var(--rr-weight-semibold);
  font-size: var(--rr-text-caption);
  color: var(--rr-color-text-subtle);
  text-transform: uppercase;
  letter-spacing: var(--rr-tracking-wide);
}
.rr-table tr:last-child td { border-bottom: none; }
.rr-table tr.rr-table-row--hover:hover { background: var(--rr-color-surface-hover); cursor: pointer; }
.rr-table-section td {
  background: var(--rr-color-surface-2);
  font-weight: var(--rr-weight-semibold);
  font-size: var(--rr-text-caption);
  color: var(--rr-color-text-subtle);
  text-transform: uppercase;
  letter-spacing: var(--rr-tracking-wide);
  padding: var(--rr-space-2) var(--rr-space-4);
}

/* ---------- 15. Empty states --------------------------------------------- */
.rr-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--rr-space-12) var(--rr-space-6);
  border: 1px dashed var(--rr-color-border-strong);
  border-radius: var(--rr-radius-lg);
  background: var(--rr-color-surface-2);
  gap: var(--rr-space-3);
}
.rr-empty-icon {
  width: 40px; height: 40px;
  border-radius: var(--rr-radius-md);
  background: var(--rr-color-surface);
  border: 1px solid var(--rr-color-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--rr-color-text-faint);
  font-size: 20px;
}
.rr-empty-title {
  font-size: var(--rr-text-h4);
  font-weight: var(--rr-weight-semibold);
  color: var(--rr-color-text-strong);
}
.rr-empty-text {
  font-size: var(--rr-text-body-sm);
  color: var(--rr-color-text-muted);
  max-width: 360px;
}

/* ---------- 16. Progress, skeleton, tooltip ------------------------------ */
.rr-progress {
  width: 100%;
  height: 6px;
  background: var(--rr-color-surface-2);
  border-radius: var(--rr-radius-full);
  overflow: hidden;
}
.rr-progress-bar {
  height: 100%;
  background: var(--rr-color-brand);
  border-radius: var(--rr-radius-full);
  transition: width var(--rr-transition-base);
}
.rr-progress--success .rr-progress-bar { background: var(--rr-color-success); }
.rr-progress--warning .rr-progress-bar { background: var(--rr-color-warning); }
.rr-progress--danger  .rr-progress-bar { background: var(--rr-color-danger); }

.rr-skeleton {
  background: linear-gradient(90deg,
    var(--rr-color-surface-2) 0%,
    var(--rr-color-surface-hover) 50%,
    var(--rr-color-surface-2) 100%);
  background-size: 200% 100%;
  border-radius: var(--rr-radius-sm);
  animation: rr-skeleton 1.4s ease-in-out infinite;
}
@keyframes rr-skeleton {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.rr-skeleton-line { height: 12px; margin-bottom: 8px; }
.rr-skeleton-line--short { width: 60%; }
.rr-skeleton-line--full  { width: 100%; }

.rr-tooltip { position: relative; display: inline-block; }
.rr-tooltip-text {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 10px;
  background: var(--rr-color-slate-900);
  color: #ffffff;
  font-size: var(--rr-text-body-sm);
  border-radius: var(--rr-radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--rr-transition-fast);
  z-index: var(--rr-z-tooltip);
}
.rr-tooltip:hover .rr-tooltip-text { opacity: 1; }

/* ---------- 17. Utility helpers ------------------------------------------ */
.rr-hidden { display: none !important; }
.rr-sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.rr-mt-1  { margin-top: var(--rr-space-1); }
.rr-mt-2  { margin-top: var(--rr-space-2); }
.rr-mt-3  { margin-top: var(--rr-space-3); }
.rr-mt-4  { margin-top: var(--rr-space-4); }
.rr-mt-5  { margin-top: var(--rr-space-5); }
.rr-mt-6  { margin-top: var(--rr-space-6); }
.rr-mt-8  { margin-top: var(--rr-space-8); }
.rr-mt-10 { margin-top: var(--rr-space-10); }
.rr-mt-12 { margin-top: var(--rr-space-12); }
.rr-mb-1  { margin-bottom: var(--rr-space-1); }
.rr-mb-2  { margin-bottom: var(--rr-space-2); }
.rr-mb-3  { margin-bottom: var(--rr-space-3); }
.rr-mb-4  { margin-bottom: var(--rr-space-4); }
.rr-mb-6  { margin-bottom: var(--rr-space-6); }
.rr-mb-8  { margin-bottom: var(--rr-space-8); }
.rr-mb-12 { margin-bottom: var(--rr-space-12); }
.rr-text-center { text-align: center; }
.rr-text-right  { text-align: right; }
.rr-flex-1 { flex: 1; }
.rr-w-full { width: 100%; }

code, .rr-code {
  font-family: var(--rr-font-mono);
  font-size: 0.92em;
  background: var(--rr-color-code-bg);
  color: var(--rr-color-code-text);
  padding: 1px 6px;
  border-radius: var(--rr-radius-xs);
  border: 1px solid var(--rr-color-border);
}
pre {
  font-family: var(--rr-font-mono);
  font-size: var(--rr-text-body-sm);
  background: var(--rr-color-code-bg);
  color: var(--rr-color-code-text);
  padding: var(--rr-space-4);
  border-radius: var(--rr-radius-md);
  border: 1px solid var(--rr-color-border);
  overflow-x: auto;
  line-height: var(--rr-leading-snug);
}
pre code { background: transparent; padding: 0; border-radius: 0; border: none; }

.rr-divider {
  border: none;
  border-top: 1px solid var(--rr-color-border);
  margin: var(--rr-space-6) 0;
}
.rr-divider-vert {
  width: 1px;
  background: var(--rr-color-border);
  align-self: stretch;
}

.rr-bg-hero {
  background: linear-gradient(180deg, var(--rr-color-bg-subtle) 0%, var(--rr-color-bg) 100%);
}
.rr-bg-hero-dark {
  background: linear-gradient(140deg, var(--rr-color-slate-900) 0%, #1e1b4b 100%);
  color: #ffffff;
}
.rr-bg-hero-dark .rr-text-muted { color: rgba(255, 255, 255, 0.72); }
.rr-bg-hero-dark .rr-display,
.rr-bg-hero-dark .rr-h1,
.rr-bg-hero-dark .rr-h2,
.rr-bg-hero-dark .rr-h3 { color: #ffffff; }