:root {
  /* Paleta base (dark) */
  --bg: #0a0a0a;
  --surface: #111111;
  --surface-2: #181818;
  --surface-3: #1f1f1f;
  --border: #262626;
  --border-strong: #333333;

  --text: #ececec;
  --muted: #8a8a8a;
  --muted-2: #5f5f5f;

  /* Accent — valores padrao; sobrescritos por Theme.applyAccentColor */
  --accent: #4fffd6;
  --accent-dim: rgba(79, 255, 214, 0.14);
  --accent-glow: rgba(79, 255, 214, 0.35);
  --accent-bg-1: rgba(79, 255, 214, 0.08);
  --accent-bg-2: rgba(79, 255, 214, 0.05);
  --accent-transition: 1s cubic-bezier(0.22, 1, 0.36, 1);

  /* Estados semanticos */
  --success: #4fffd6;
  --danger: #ff5d6c;
  --danger-dim: rgba(255, 93, 108, 0.14);
  --warning: #ffce4f;
  --warning-dim: rgba(255, 206, 79, 0.14);
  --info: #6aa8ff;

  /* Tipografia */
  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-num: "Inter", system-ui, sans-serif;

  /* Escala */
  --fs-xs: 0.75rem;
  --fs-sm: 0.85rem;
  --fs-md: 0.95rem;
  --fs-lg: 1.15rem;
  --fs-xl: 1.6rem;
  --fs-2xl: 2.4rem;
  --fs-3xl: 3.2rem;

  /* Espacamento / raio */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;

  --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
  --shadow-soft: 0 4px 18px rgba(0, 0, 0, 0.35);

  --transition: 180ms cubic-bezier(0.22, 1, 0.36, 1);

  /* Espacamento de pagina */
  --page-x: 32px;
  --page-y: 28px;
  --section-gap: 28px;
  --card-pad: 20px;
  --stack-gap: 14px;
  --touch-min: 44px;

  /* Scrollbars nativos — paleta dark */
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scrollbar-gutter: stable;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Fundo com leve textura/glow de assinatura */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1100px 600px at 88% -8%, var(--accent-bg-1), transparent 60%),
    radial-gradient(900px 500px at -5% 110%, var(--accent-bg-2), transparent 55%);
  pointer-events: none;
  transition: background var(--accent-transition);
}

html.theme-accent-animating body::before {
  will-change: background;
}

.tabular {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .auth-card { animation: none; }
  .auth-tabs-indicator,
  .auth-panel { transition: none; }
  .boot-loading__spinner { animation: none; border-top-color: var(--boot-accent); }
}

html.scroll-locked,
html.scroll-locked body {
  overflow: hidden;
}

@media (max-width: 768px) {
  :root {
    --page-x: 20px;
    --page-y: 20px;
    --section-gap: 24px;
    --card-pad: 18px;
    --stack-gap: 16px;
    --fs-xl: 1.45rem;
    --fs-2xl: 2rem;
  }
}

@media (max-width: 480px) {
  :root {
    --page-x: 16px;
    --page-y: 18px;
    --section-gap: 20px;
    --card-pad: 16px;
  }
}