:root {
  /* Primary — navy / teal */
  --prime-primary-900: #15283a;
  --prime-primary-800: #183149;
  --prime-primary-700: #1d3245;
  --prime-primary-600: #204765;
  --prime-primary-500: #2b5e7b;
  --prime-primary-400: #326885;

  /* Neutral */
  --prime-neutral-50: #f4f7fa;
  --prime-neutral-100: #eef3f7;
  --prime-neutral-200: #e6edf3;
  --prime-neutral-300: #cfdae3;
  --prime-neutral-500: #6d7f91;
  --prime-neutral-700: #35526a;
  --prime-neutral-900: #193146;

  /* Semantic */
  --prime-success-bg: #e8f4ec;
  --prime-success-text: #1f5c38;
  --prime-warning-bg: #fff7eb;
  --prime-warning-text: #7a5631;
  --prime-danger-bg: #fff1ee;
  --prime-danger-text: #8b4337;
  --prime-info-bg: #edf4f9;
  --prime-info-text: #284156;

  /* Text */
  --prime-text-primary: #1d3245;
  --prime-text-secondary: #6c7f90;
  --prime-text-inverse: #ffffff;

  /* Surfaces */
  --prime-surface-page: #eef3f7;
  --prime-surface-card: rgba(255, 255, 255, 0.96);
  --prime-border: #e5edf3;

  /* Gradients */
  --prime-gradient-hero: linear-gradient(135deg, #16314a 0%, #275876 100%);
  --prime-gradient-primary: linear-gradient(135deg, #183149 0%, #2b5e7b 100%);
  --prime-gradient-header: linear-gradient(135deg, #15283a 0%, #1e3448 55%, #2e5b74 100%);

  /* Typography */
  --prime-font-body: 'Open Sans', sans-serif;
  --prime-font-display: 'Open Sans Condensed', sans-serif;
  --prime-text-xs: 10px;
  --prime-text-sm: 12px;
  --prime-text-base: 14px;
  --prime-text-lg: 18px;
  --prime-text-xl: 30px;
  --prime-text-2xl: 44px;

  /* Spacing */
  --prime-space-2: 8px;
  --prime-space-3: 12px;
  --prime-space-4: 14px;
  --prime-space-5: 16px;
  --prime-space-6: 18px;
  --prime-space-8: 22px;
  --prime-space-9: 24px;
  --prime-space-10: 28px;

  /* Radius */
  --prime-radius-sm: 12px;
  --prime-radius-md: 16px;
  --prime-radius-lg: 22px;
  --prime-radius-pill: 999px;

  /* Shadow */
  --prime-shadow-md: 0 18px 40px rgba(18, 35, 52, 0.09);
  --prime-shadow-hero: 0 26px 60px rgba(23, 49, 73, 0.18);

  /* Motion */
  --prime-transition-fast: 0.2s ease;
  --prime-transition-enter: 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  --prime-transition-exit: 0.15s ease-out;
  --prime-transition-press: 0.12s ease-out;
}

/* ── Global interface polish ── */
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app-authenticated img,
.app-guest img {
  outline: 1px solid rgba(0, 0, 0, 0.08);
  outline-offset: -1px;
}

.prime-tabular-nums {
  font-variant-numeric: tabular-nums;
}

.prime-text-balance {
  text-wrap: balance;
}

.prime-text-pretty {
  text-wrap: pretty;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}