/* ========================================
   Ink Theme — Chinese calligraphy / ink wash
   Activated by html.theme-ink
   ======================================== */

.theme-ink {
  --bg-primary: #f5f0e5;
  --bg-secondary: #ede7d9;
  --bg-card: #f5f0e5;
  --text-primary: #2c2c2c;
  --text-secondary: #4a4a4a;
  --text-body: #333333;
  --text-muted: #8a8070;
  --accent: #b22222;
  --accent-hover: #cc3333;
  --border: #d4c9b5;
  --border-accent: #2c2c2c;
  --font-display: 'Zhi Mang Xing', 'Noto Serif SC', serif;
  --font-body: 'Noto Serif SC', 'Georgia', serif;
  --font-code: 'JetBrains Mono', monospace;
  --font-size-hero: 3.5rem;
  --font-size-xl: 2rem;
  --font-weight-bold: 700;
  --line-height-body: 2;
  --letter-spacing-wide: 0.1em;
  --radius: 0;
}

/* --- Rice Paper Texture --- */
.theme-ink body {
  background-image: url("data:image/svg+xml,%3Csvg width='200' height='200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='rice'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.6' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23rice)' opacity='0.04'/%3E%3C/svg%3E");
}

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

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

.theme-ink .nav-home {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: 0.2em;
}

.theme-ink .nav-home:hover { color: var(--accent); }

.theme-ink .nav-link {
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  border-bottom: none;
  position: relative;
}

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

.theme-ink .nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.theme-ink .nav-link:hover::after,
.theme-ink .nav-link.active::after {
  width: 100%;
}

.theme-ink .nav-link:hover,
.theme-ink .nav-link.active {
  color: var(--text-primary);
  border-bottom: none;
}

/* --- Hero --- */
.theme-ink .hero {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

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

.theme-ink .hero-title {
  font-weight: 900;
  letter-spacing: 0.3em;
  color: var(--text-primary);
}

.theme-ink .hero-tagline {
  font-style: italic;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  animation: none;
  white-space: normal;
  overflow: visible;
}

/* --- Seal/Stamp Accent --- */
.theme-ink .section-title {
  text-align: center;
  border-bottom: none;
  position: relative;
  letter-spacing: 0.15em;
}

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

.theme-ink .section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin: var(--spacing-sm) auto 0;
}

/* --- Brush Stroke Dividers --- */
.theme-ink .post-item {
  border-bottom: none;
  padding: var(--spacing-md) 0;
  position: relative;
}

.theme-ink .post-item + .post-item {
  border-top: 1px solid transparent;
  background-image: linear-gradient(90deg, transparent, var(--border) 20%, var(--border) 80%, transparent);
  background-size: 80% 1px;
  background-repeat: no-repeat;
  background-position: center top;
  padding-top: calc(var(--spacing-md) + 4px);
}

.theme-ink .post-item a {
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.theme-ink .post-item a:hover { color: var(--accent); }
.theme-ink .post-item a::after { content: none; }

.theme-ink .post-item time {
  font-family: var(--font-body);
  color: var(--text-muted);
}

/* --- Article --- */
.theme-ink .article-title {
  text-align: center;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.theme-ink .article-meta {
  justify-content: center;
  color: var(--text-muted);
}

.theme-ink .article-content {
  line-height: 2;
}

.theme-ink .article-content > p:first-of-type::first-letter {
  float: left;
  font-size: 3rem;
  line-height: 0.85;
  padding: 0.05em 0.1em 0 0;
  color: var(--accent);
  font-weight: 900;
}

.theme-ink .article-content blockquote {
  border-left: 2px solid var(--accent);
  font-style: italic;
  color: var(--text-secondary);
}

.theme-ink .article-content pre {
  background: #2c2c2c;
  color: #d4c9b5;
  border: none;
}

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

/* --- Cards --- */
.theme-ink .card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
}

.theme-ink .card:hover {
  border-color: var(--accent);
  transform: none;
}

.theme-ink .card-title {
  font-weight: 700;
  letter-spacing: 0.05em;
}

.theme-ink .card-link {
  border-color: var(--accent);
  color: var(--accent);
}

.theme-ink .card-link:hover {
  background: var(--accent);
  color: #ffffff;
}

/* --- Story Feature --- */
.theme-ink .story-link {
  border: 1px solid var(--border);
  text-align: center;
  padding: var(--spacing-2xl);
  position: relative;
}

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

.theme-ink .story-link::after {
  content: '苍绿之眼';
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  font-size: 0.8rem;
  color: var(--accent);
  border: 2px solid var(--accent);
  padding: 4px 8px;
  transform: rotate(3deg);
  opacity: 0.6;
}

.theme-ink .story-link h2 {
  font-size: 2.5rem;
  letter-spacing: 0.3em;
  color: var(--text-primary);
}

.theme-ink .story-link:hover { background: var(--bg-secondary); transform: none; }
.theme-ink .story-link:hover h2 { color: var(--accent); }

.theme-ink .story-label { display: none; }
.theme-ink .story-enter {
  color: var(--accent);
  font-style: italic;
  display: block;
  margin-top: var(--spacing-md);
}

/* --- Story Section --- */
.theme-ink .story-title {
  color: var(--text-primary);
  border-bottom: none;
}

.theme-ink .story-section-card { border-color: var(--border); }
.theme-ink .story-section-card:hover { border-color: var(--accent); }

.theme-ink .chapter-label {
  color: var(--accent);
  letter-spacing: 0.2em;
}

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

/* --- Characters --- */
.theme-ink .character-card {
  border: 1px solid var(--border);
}

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

.theme-ink .character-img {
  filter: sepia(20%) contrast(0.95);
  transition: filter 0.3s;
}

.theme-ink .character-card:hover .character-img { filter: none; }

.theme-ink .character-name {
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

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

.theme-ink .character-placeholder {
  background: linear-gradient(135deg, #d4c9b5, #f5f0e5);
  color: var(--accent);
  font-size: 3rem;
}

/* --- Theme Switcher --- */
.theme-ink .theme-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.theme-ink .theme-btn[data-theme="theme-ink"] {
  color: var(--accent);
  border-color: var(--accent);
}

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

/* --- Links --- */
.theme-ink a { color: var(--accent); }
.theme-ink a:hover { color: var(--accent-hover); }

/* --- TOC --- */
.theme-ink .toc {
  border: 1px solid var(--border);
  background: var(--bg-secondary);
}

@media (max-width: 640px) {
  .theme-ink {
    --font-size-hero: 2rem;
    --font-size-xl: 1.5rem;
  }
  .theme-ink .story-link h2 { font-size: 1.75rem; letter-spacing: 0.15em; }
  .theme-ink .story-link::after { display: none; }
}