/* Common layout styles (theme-agnostic) */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

/* Theme toggle button positioning */
.theme-toggle-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1000;
}

.theme-toggle-btn,
#theme-toggle {
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0.75rem 1rem;
  border: 3px solid #000;
  border-radius: 8px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  transition: all 0.3s ease;
  font-weight: bold;
  font-family: 'Press Start 2P', monospace;
  min-width: 140px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
}

.theme-toggle-btn:hover,
#theme-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.5);
  background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.theme-toggle-btn:active,
#theme-toggle:active {
  transform: translateY(0);
}

.theme-icon {
  display: none;
}

html[data-theme="nes"] .theme-icon[data-theme-icon="nes"] {
  display: inline-block;
}

html[data-theme="nes"] .theme-icon[data-theme-icon="nes"]::before {
  content: "NES ";
  font-size: 0.8rem;
}

html[data-theme="98"] .theme-icon[data-theme-icon="98"] {
  display: inline-block;
}

html[data-theme="98"] .theme-icon[data-theme-icon="98"]::before {
  content: "WIN98 ";
  font-size: 0.8rem;
}

/* PDF export buttons */
.pdf-export-container {
  position: fixed;
  top: 5.5rem;
  right: 1rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pdf-btn {
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  border: 2px solid #000;
  background: rgba(255, 255, 255, 0.95);
  font-size: 0.8rem;
  text-decoration: none;
  color: #000;
  white-space: nowrap;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  transition: transform 0.2s;
  text-align: center;
  font-family: 'Press Start 2P', Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
}

.pdf-btn:hover {
  transform: scale(1.05);
  background: rgba(255, 255, 255, 1);
}

/* Hide buttons in print mode */
@media print {
  .theme-toggle-container,
  .pdf-export-container {
    display: none !important;
  }
}

/* Smooth scroll anchors */
section {
  scroll-margin-top: 2rem;
}

/* Responsive utilities */
.mobile-only {
  display: none;
}

@media screen and (max-width: 768px) {
  .mobile-only {
    display: block;
  }

  .desktop-only {
    display: none;
  }

  .theme-toggle-container {
    top: 0.5rem;
    right: 0.5rem;
  }

  .pdf-export-container {
    top: 3.5rem; /* Più vicino al toggle */
    right: 0.5rem;
  }

  .pdf-btn {
    font-size: 0.55rem;
    padding: 0.35rem 0.5rem;
    min-width: 100px;
  }

  .theme-toggle-btn,
  #theme-toggle {
    font-size: 0.9rem;
    padding: 0.5rem 0.6rem;
    min-width: 100px;
  }

  .theme-icon::before {
    font-size: 0.6rem !important;
  }
}