/* Portfolio layout – design tokens and components (Ben Nelson–style) */
:root {
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --dark-900: #0f172a;
  --dark-800: #1e293b;
  --dark-700: #334155;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
}

body.portfolio {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--dark-900);
  color: #e5e7eb;
}

.portfolio .font-mono {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}

.container-main {
  width: 100%;
  max-width: 72rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .container-main { padding-left: 1.5rem; padding-right: 1.5rem; }
}

.text-accent { color: var(--accent); }
.bg-accent { background-color: var(--accent); }
.bg-dark-900 { background-color: var(--dark-900); }
.bg-dark-800 { background-color: var(--dark-800); }
.bg-dark-700 { background-color: var(--dark-700); }
.border-gray-800 { border-color: rgba(31, 41, 55, 0.5); }
.border-gray-700 { border-color: rgba(55, 65, 81, 0.5); }

/* Buttons */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0.5rem;
  transition: color 0.15s, background-color 0.15s, border-color 0.15s;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent);
  color: white;
  border: 1px solid var(--accent);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: white;
}

.btn-secondary {
  background-color: var(--dark-700);
  color: var(--gray-300);
  border: 1px solid var(--gray-700);
}

.btn-secondary:hover {
  background-color: var(--dark-600, #475569);
  color: white;
}

/* Link hover */
.link-hover:hover { color: var(--accent); }

/* Cards */
.card {
  display: block;
  padding: 1.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--gray-700);
  background-color: var(--dark-800);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s;
}

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

.card .group:hover .group-hover\:text-accent { color: var(--accent); }

/* Tag pills */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 0.375rem;
  background-color: var(--dark-700);
  color: var(--gray-300);
  border: 1px solid var(--gray-700);
}

.tag-accent {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--accent);
  border-color: rgba(59, 130, 246, 0.2);
}

/* Node animation container – optional background canvas */
.node-animation-container canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Pixel globe – crisp wireframe look */
.pixel-globe-container {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* Download shields – crisp HTML/CSS badges (no scaled SVG) */
.download-shields {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.shield-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.5rem;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.25;
  color: #1f2937;
  background-color: #e5e7eb;
  border: 1px solid #d1d5db;
  border-radius: 0.375rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.15s, background-color 0.15s, border-color 0.15s;
}

.shield-badge:hover {
  color: white;
  background-color: var(--accent);
  border-color: var(--accent);
}

.shield-badge-icon {
  font-size: 0.75rem;
  opacity: 0.85;
}

.shield-badge-icon--pdf {
  color: #dc2626;
}

.shield-badge:hover .shield-badge-icon--pdf {
  color: inherit;
}

.shield-badge-icon--epub {
  color: #9333ea;
}

.shield-badge:hover .shield-badge-icon--epub {
  color: inherit;
}

.shield-badge-icon--tex {
  color: #0891b2;
}

.shield-badge:hover .shield-badge-icon--tex {
  color: inherit;
}

.shield-badge-text {
  letter-spacing: 0.01em;
}

/* Hide some format icons on small screens (like legacy layout) */
@media (max-width: 640px) {
  .download-shields #texIcon,
  .download-shields #jsonIcon,
  .download-shields #docxIcon,
  .download-shields #odtIcon {
    display: none !important;
  }
}