/* =====================================================
   NOVAIA BLOG — Dark theme matching main site
   ===================================================== */

:root {
  --bg: #0A0A0F;
  --bg-card: #0F0F1A;
  --bg-code: #13131F;
  --text: #F0EEF8;
  --text-secondary: #9895A8;
  --text-muted: #6B687A;
  --accent-violet: #7C6AFF;
  --accent-violet-dim: rgba(124, 106, 255, 0.15);
  --border: rgba(240, 238, 248, 0.06);
  --border-hover: rgba(124, 106, 255, 0.25);
  --font-title: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-title);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 17px;
}

::selection { background: var(--accent-violet); color: var(--text); }
a { color: var(--accent-violet); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; }

/* ==================== NAV ==================== */
.blog-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.blog-nav-inner {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.blog-nav-logo {
  display: flex; align-items: center; gap: 10px;
  color: var(--text); text-decoration: none;
  font-weight: 700; font-size: 1.05rem;
}

.blog-nav-logo img { border-radius: 6px; }

.blog-nav-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.blog-nav-link:hover { color: var(--text); text-decoration: none; }

/* ==================== ARTICLE ==================== */
.blog-main {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

.blog-header {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.blog-date {
  display: block;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  margin-bottom: 16px;
}

.blog-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.blog-subtitle {
  color: var(--text-secondary);
  font-size: 1.15rem;
  line-height: 1.5;
}

/* ==================== CONTENT ==================== */
.blog-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 48px 0 16px;
  letter-spacing: -0.01em;
}

.blog-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 32px 0 12px;
  color: var(--accent-violet);
}

.blog-content p {
  margin-bottom: 18px;
  color: var(--text);
}

.blog-content strong { color: #fff; font-weight: 600; }

.blog-content ul, .blog-content ol {
  margin: 0 0 24px 20px;
}

.blog-content li {
  margin-bottom: 8px;
  color: var(--text);
}

.blog-content li strong { color: #fff; }

/* ==================== TABLE ==================== */
.blog-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.92rem;
}

.blog-content thead {
  background: var(--bg-card);
}

.blog-content th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--accent-violet);
  border-bottom: 1px solid var(--border-hover);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-content td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.blog-content td strong { color: var(--text); }

.blog-content tr:hover td { background: rgba(124, 106, 255, 0.03); }

/* ==================== CODE ==================== */
.blog-content pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px 24px;
  margin: 20px 0 24px;
  overflow-x: auto;
}

.blog-content pre code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.blog-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-code);
  padding: 2px 7px;
  border-radius: 4px;
  color: var(--accent-violet);
}

.blog-content pre code {
  background: none;
  padding: 0;
  color: var(--text-secondary);
}

/* ==================== AUTHOR BOX ==================== */
.blog-author-box {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: 56px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}

.blog-author-box img {
  border-radius: 50%;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  object-fit: cover;
}

.blog-author-box strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
}

.blog-author-box p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0;
}

/* ==================== BLOG INDEX ==================== */
.blog-index-header {
  padding: 64px 0 32px;
}

.blog-index-header h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.blog-index-header p {
  color: var(--text-secondary);
  margin-top: 8px;
}

.blog-card {
  display: block;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  margin-bottom: 16px;
  transition: border-color 0.25s, box-shadow 0.25s;
  text-decoration: none;
  color: inherit;
}

.blog-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 4px 24px rgba(124, 106, 255, 0.08);
  text-decoration: none;
}

.blog-card-date {
  display: block;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  margin-bottom: 8px;
}

.blog-card h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.blog-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ==================== FOOTER ==================== */
.blog-footer {
  margin-top: 80px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
}

.blog-footer-inner {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .blog-header { padding: 40px 0 28px; }
  .blog-content h2 { font-size: 1.3rem; margin-top: 36px; }
  .blog-author-box { flex-direction: column; align-items: center; text-align: center; }
  .blog-content table { font-size: 0.82rem; }
  .blog-content th, .blog-content td { padding: 8px 10px; }
}