/* THEME TOKENS + SEMANTIC UTILITIES (no Tailwind build required) */

/* Import Inter font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* New Color Scheme - "A História Cantada da AIDS" */
:root {
  /* Page + surfaces */
  --color-bg-page: #bcbcbc;
  --color-surface-card: #f4f4f4;
  --color-surface-contrast: #f4f4f4;
  --color-surface-overlay: rgba(0, 0, 0, 0.05);

  /* Text */
  --color-text-primary: #5d5d5d;
  --color-text-secondary: #6b0300;
  --color-text-on-contrast: #5d5d5d;

  /* Brand / accent */
  --color-brand-accent: #ff0000;

  /* Borders */
  --color-border-card: rgba(0, 0, 0, 0.08);
  --color-border-strong: rgba(255, 0, 0, 0.3);

  /* Radii */
  --radius-card: 1rem;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-flat: 0 0 0 1px rgba(0, 0, 0, 0.08);

  /* Typography */
  --font-heading: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  color-scheme: light;
}

/* Dark theme overrides */
:root[data-theme="dark"] {
  --color-bg-page: #0f172a;
  --panel: rgba(30,41,59,0.6);
  --panel-strong: rgba(30,41,59,0.8);
  --border: rgba(148,163,184,0.2);
  --glow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --text: #e2e8f0;
  --muted: #94a3b8;
  color-scheme: dark; 
}
:root[data-theme="dark"] .choice-desc  {
  color: #ffffff !important;
}
:root[data-theme="dark"] .choice-title  {
  color: #ffffff !important;
}

:root[data-theme="dark"] .hero-title {
  color: #ffffff !important;
}

:root[data-theme="dark"] .hero-lede {
  color: #ffffff !important;
}


/* Light theme overrides */
:root[data-theme="light"] {
  --color-bg-page: #bcbcbc;
  --panel: rgba(255, 255, 255, 0.95);
  --panel-strong: rgba(255, 255, 255, 1);
  --border: rgba(0, 0, 0, 0.08);
  --glow: 0 10px 30px rgba(0,0,0,0.1);
  --text: #5d5d5d;
  --muted: #6b7280;
  color-scheme: light;
}

/* Heading accent - unified color scheme */
.hero-title {
  color: #ff0000;
}

/* Dots - unified color scheme */
.dot-green  { background-color: #10b981; }
.dot-blue   { background-color: #ff0000; }
.dot-purple { background-color: #8b5cf6; }


/* BASE LAYER */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-body);
  line-height: 1.5;
  background-color: var(--color-bg-page);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100%;
  margin: 0;
  background-color: var(--color-bg-page) !important;
  color: var(--color-text-primary);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  letter-spacing: 0.01em;
}

::selection {
  background-color: var(--color-brand-accent);
  color: var(--color-surface-card);
}

/* COMPONENT TOKENS */
.bg-page {
  background-color: var(--color-bg-page);
}

.surface-card {
  background-color: var(--color-surface-card);
}

.surface-contrast {
  background: var(--color-surface-contrast);
  color: var(--color-text-on-contrast);
}

.surface-overlay {
  background-color: var(--color-surface-overlay);
  color: var(--color-text-on-contrast);
}

.card-surface {
  background-color: var(--color-surface-card);
  color: var(--color-text-primary);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-card);
  box-shadow: var(--shadow-card);
}

.card-flat {
  background-color: var(--color-surface-card);
  color: var(--color-text-primary);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-card);
  box-shadow: var(--shadow-flat);
}

.card-contrast {
  background: var(--color-surface-contrast);
  color: var(--color-text-on-contrast);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-strong);
  box-shadow: none;
}

.text-primary {
  color: var(--color-text-primary);
}

.text-secondary {
  color: var(--color-text-secondary);
}

.text-on-contrast {
  color: var(--color-text-on-contrast);
}

.accent-color {
  color: var(--color-brand-accent);
}

.accent-bg {
  background-color: var(--color-brand-accent);
  color: var(--color-text-on-contrast);
}

.border-card {
  border-color: var(--color-border-card);
}

.border-strong {
  border-color: var(--color-border-strong);
}

.shadow-card {
  box-shadow: var(--shadow-card);
}

.shadow-flat {
  box-shadow: var(--shadow-flat);
}

.theme-transition {
  transition:
    background-color 200ms ease,
    color 200ms ease,
    border-color 200ms ease,
    box-shadow 200ms ease,
    transform 200ms ease;
}

.pill-capsule {
  border-radius: var(--radius-pill);
}

/* UTILITIES */
.heading-display {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.heading-hero {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.25rem, 3vw, 3rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.body-copy {
  font-family: var(--font-body);
  font-weight: 400;
}

.lang-button {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  letter-spacing: 0.08em;
  padding-inline: 1.75rem;
  padding-block: 1rem;
  border-radius: calc(var(--radius-card) / 1.5);
  background-color: var(--color-surface-card);
  color: var(--color-text-primary);
  border: 2px solid var(--color-brand-accent);
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.lang-button:focus-visible {
  outline: 3px solid var(--color-brand-accent);
  outline-offset: 4px;
}

.lang-button:hover {
  transform: translateY(-2px);
  border-color: var(--color-brand-accent);
}

.nav-arrow-zone {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.18);
  color: var(--color-text-primary);
  padding-inline: 1.25rem;
  padding-block: 1.5rem;
}

.nav-arrow-zone--strong {
  background-color: var(--color-surface-contrast);
  color: var(--color-text-on-contrast);
}

.callout-qr,
.callout-audio {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding-inline: 1.5rem;
  padding-block: 1rem;
  border-radius: calc(var(--radius-card) / 2);
  background-color: var(--color-surface-card);
  color: var(--color-text-primary);
  border: 1px dashed var(--color-border-strong);
}

html[data-theme] {
  transition:
    background-color 0.25s ease,
    color 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}