/* ========================================
   Blueprint Theme — Technical drawing / engineering
   Activated by html.theme-blueprint
   ======================================== */

.theme-blueprint {
  --bg-primary: #1a3a5c;
  --bg-secondary: #1e4068;
  --bg-card: #1e4068;
  --text-primary: #ffffff;
  --text-secondary: #a0c4e8;
  --text-body: #c8ddf0;
  --text-muted: #6a9cc8;
  --accent: #00ccff;
  --accent-hover: #33ddff;
  --border: #2a5a8c;
  --border-accent: #00ccff;
  --font-display: 'JetBrains Mono', 'Noto Sans SC', monospace;
  --font-body: 'JetBrains Mono', 'Noto Sans SC', monospace;
  --font-size-hero: 3rem;
  --font-size-xl: 2rem;
  --line-height-body: 1.7;
  --letter-spacing-wide: 0.05em;
  --radius: 0;
}

/* --- Grid Pattern Background --- */
.theme-blueprint body {
  background-image:
    linear-gradient(rgba(0, 204, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 204, 255, 0.05) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* --- Navigation --- */
.theme-blueprint .site-nav {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
}

.theme-blueprint .nav-prompt { display: none; }
.theme-blueprint .nav-site-title { display: inline; }

.theme-blueprint .nav-home {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 1rem;
  color: var(--accent);
}

.theme-blueprint .nav-home:hover { color: #ffffff; }

.theme-blueprint .nav-link {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px dashed transparent;
  font-size: 0.75rem;
}

.theme-blueprint .nav-link:hover,
.theme-blueprint .nav-link.active {
  color: var(--accent);
  border-bottom: 1px dashed var(--accent);
}

.theme-blueprint .nav-link::before { content: none; }

/* --- Hero --- */
.theme-blueprint .hero {
  border-bottom: 1px dashed var(--border);
}

.theme-blueprint .hero-ascii { display: none; }
.theme-blueprint .hero-text { display: inline; }
.theme-blueprint .hero-cursor { display: none; }

.theme-blueprint .hero-title {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #ffffff;
}

.theme-blueprint .hero-tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  animation: none;
  white-space: normal;
  overflow: visible;
}

/* --- Section Title with Annotation Style --- */
.theme-blueprint .section-title {
  color: var(--accent);
  border-bottom: 1px dashed var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.9rem;
  position: relative;
}

.theme-blueprint .section-title::before { content: none; }

.theme-blueprint .section-title::after {
  content: '—— SPEC';
  color: var(--text-muted);
  font-size: 0.65rem;
  margin-left: var(--spacing-sm);
  font-weight: var(--font-weight-normal);
}

/* --- Post List --- */
.theme-blueprint .post-item {
  border-bottom: 1px dashed var(--border);
}

.theme-blueprint .post-item::before { content: none; }
.theme-blueprint .post-item a::after { content: none; }

.theme-blueprint .post-item a {
  color: var(--text-body);
}

.theme-blueprint .post-item a:hover { color: var(--accent); }

.theme-blueprint .post-item time {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* --- Dimension Line Cards --- */
.theme-blueprint .card {
  background: transparent;
  border: 1px dashed var(--border);
}

.theme-blueprint .card:hover {
  border: 1px solid var(--accent);
  background: rgba(0, 204, 255, 0.03);
  transform: none;
}

.theme-blueprint .card-title {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
}

.theme-blueprint .card-link {
  border: 1px dashed var(--accent);
  color: var(--accent);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.theme-blueprint .card-link:hover {
  background: var(--accent);
  color: var(--bg-primary);
  border-style: solid;
}

/* --- Story Feature --- */
.theme-blueprint .story-link {
  border: 1px dashed var(--accent);
  position: relative;
}

.theme-blueprint .story-link::before { content: none; }

.theme-blueprint .story-link::after {
  content: 'REV. A';
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  font-size: 0.65rem;
  color: var(--text-muted);
  border: 1px solid var(--text-muted);
  padding: 2px 6px;
}

.theme-blueprint .story-link h2 {
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.theme-blueprint .story-link:hover {
  border-style: solid;
  background: rgba(0, 204, 255, 0.03);
  transform: none;
}

.theme-blueprint .story-label {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.65rem;
  color: var(--text-muted);
}

.theme-blueprint .story-enter {
  color: var(--accent);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-top: var(--spacing-md);
}

/* --- Story Section (green shift) --- */
.theme-blueprint .story-title {
  color: #00ff88;
  border-bottom-color: #00ff88;
}

.theme-blueprint .story-section-card { border-color: #00ff88; }
.theme-blueprint .story-section-card:hover { border-color: #00ff88; border-style: solid; }
.theme-blueprint .story-section-card .card-title { color: #00ff88; }

.theme-blueprint .chapter-label {
  color: #00ff88;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
}

.theme-blueprint .chapter-item::before { content: none; }

/* --- Characters --- */
.theme-blueprint .character-card {
  background: transparent;
  border: 1px dashed var(--border);
}

.theme-blueprint .character-card:hover {
  border: 1px solid var(--accent);
}

.theme-blueprint .character-img {
  filter: saturate(0.5) brightness(0.9);
  transition: filter 0.3s;
}

.theme-blueprint .character-card:hover .character-img {
  filter: saturate(1) brightness(1);
}

.theme-blueprint .character-name {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
}

.theme-blueprint .character-name::before { content: none; }

.theme-blueprint .character-placeholder {
  background: var(--bg-secondary);
  border: 1px dashed var(--border);
  color: var(--text-muted);
}

/* --- Article --- */
.theme-blueprint .article-title {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #ffffff;
}

.theme-blueprint .article-content pre {
  background: #0d2238;
  border: 1px dashed var(--border);
  color: var(--accent);
}

.theme-blueprint .article-content code {
  background: rgba(0, 204, 255, 0.1);
  color: var(--accent);
}

.theme-blueprint .article-content blockquote {
  border-left: 2px dashed var(--accent);
  color: var(--text-muted);
}

.theme-blueprint .article-content table th {
  background: var(--bg-secondary);
  border-color: var(--border);
}

.theme-blueprint .article-content table td {
  border-color: var(--border);
}

.theme-blueprint .article-content a {
  color: var(--accent);
}

/* --- Theme Switcher --- */
.theme-blueprint .theme-btn {
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--text-muted);
}

.theme-blueprint .theme-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.theme-blueprint .theme-btn[data-theme="theme-blueprint"] {
  color: var(--accent);
  border: 1px solid var(--accent);
}

/* --- Footer --- */
.theme-blueprint .site-footer {
  border-top: 1px dashed var(--border);
}

/* --- TOC --- */
.theme-blueprint .toc {
  border: 1px dashed var(--border);
  background: transparent;
}

.theme-blueprint .toc a { color: var(--text-muted); }
.theme-blueprint .toc a:hover { color: var(--accent); }

/* --- Pagination --- */
.theme-blueprint .pagination a,
.theme-blueprint .pagination span {
  border: 1px dashed var(--border);
  color: var(--text-muted);
}

.theme-blueprint .pagination a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* --- Crosshair annotation marks --- */
.theme-blueprint .hero::after {
  content: '+';
  position: absolute;
  bottom: -10px;
  right: var(--spacing-lg);
  color: var(--text-muted);
  font-size: 1.5rem;
  opacity: 0.3;
}

@media (max-width: 640px) {
  .theme-blueprint {
    --font-size-hero: 2rem;
  }
  .theme-blueprint .story-link::after { display: none; }
}