/* public/css/global.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  /* === Design System Colors === */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F5F5F7;
  --text-primary: #1D1D1F;
  --text-secondary: #86868B;
  --color-primary: #0066CC;
  --color-primary-hover: #005bb5;
  --color-action: #0066CC;
  --color-action-hover: #005bb5;
  --border-color: #E5E5EA;

  /* Aliases para manter compatibilidade com calculator.css */
  --color-bg-primary: var(--bg-primary);
  --color-bg-secondary: var(--bg-secondary);
  --color-text-primary: var(--text-primary);
  --color-text-secondary: var(--text-secondary);
  --color-border: var(--border-color);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.07);
  --shadow-lg: 0 12px 28px rgba(0,0,0,0.10);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;

  /* Aliases para calculator.css que usa --spacing-* */
  --spacing-xs: var(--space-xs);
  --spacing-sm: var(--space-sm);
  --spacing-md: var(--space-md);
  --spacing-lg: var(--space-lg);
  --spacing-xl: var(--space-xl);
  --spacing-2xl: var(--space-xxl);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.3;
}

h1 { font-weight: 700; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  text-decoration: underline;
  color: var(--color-primary-hover);
}

/* =====================================================
   AD SLOTS — Zero CLS Strategy
   Espaços reservados com min-height fixo.
   ===================================================== */
.ad-slot {
  background-color: #fcfcfc;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-sm);
  position: relative;
}

.ad-slot::before {
  content: "PUBLICIDADE";
  position: absolute;
  font-size: 10px;
  color: #d1d1d6;
  letter-spacing: 0.8px;
  z-index: 0;
  text-align: center;
}

.ad-slot > * {
  z-index: 1;
  position: relative;
}

.ad-slot-leaderboard {
  width: 100%;
  max-width: 320px;
  min-height: 100px;
  margin: var(--space-sm) auto;
}

@media (min-width: 768px) {
  .ad-slot-leaderboard {
    max-width: 728px;
    min-height: 90px;
  }
}

/* ADS-02 — In-Article (Intermediário) */
.ad-slot-in-article {
  width: 100%;
  min-height: 100px; /* Compact mobile */
  margin: var(--space-md) 0;
}

@media (min-width: 480px) {
  .ad-slot-in-article {
    min-height: 280px; /* Padrão 336x280 */
  }
}

.ad-slot-skyscraper {
  display: none;
}

@media (min-width: 1024px) {
  .ad-slot-skyscraper {
    display: flex;
    width: 300px;
    min-height: 600px;
    margin-left: 24px;
  }
}

/* ADS-04 — Anchor Mobile (Sticky Bottom) */
.ad-slot-anchor {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  min-height: 50px;
  z-index: 999;
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.08);
}

@media (min-width: 768px) {
  .ad-slot-anchor {
    min-height: 90px;
  }
}

/* Esconder ADS-04 em desktop (depende da estratégia de negócio) */
@media (min-width: 1200px) {
  .ad-slot-anchor {
    display: none;
  }
}