/* ============================================================
   Blog-specific styles
   ============================================================ */

/* Blog listing cards on blog.html */
.blog-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.25rem;
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.15s;
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.blog-card-meta {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.blog-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  line-height: 1.35;
}

.blog-card-title a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.15s;
}

.blog-card-title a:hover {
  color: var(--accent);
}

.blog-card-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin: 0;
  line-height: 1.6;
}

/* Blog post article body */
.blog-post-content {
  max-width: 720px;
  margin: 3rem auto 5rem;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text);
}

.blog-post-content h1,
.blog-post-content h2,
.blog-post-content h3,
.blog-post-content h4 {
  color: var(--text);
  margin: 2.25rem 0 0.75rem;
  line-height: 1.3;
  font-weight: 700;
}

.blog-post-content h2 {
  font-size: 1.5rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid var(--border);
}

.blog-post-content h3 {
  font-size: 1.2rem;
}

.blog-post-content p {
  margin: 0 0 1.1rem;
}

.blog-post-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.blog-post-content ul,
.blog-post-content ol {
  padding-left: 1.5rem;
  margin: 0 0 1.1rem;
}

.blog-post-content li {
  margin-bottom: 0.4rem;
}

.blog-post-content pre {
  background: var(--code-bg, #1e1e2e);
  color: var(--code-color, #cdd6f4);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 1.25rem 0;
}

.blog-post-content code {
  font-family: 'Fira Code', 'Cascadia Code', monospace;
}

.blog-post-content p code,
.blog-post-content li code {
  background: var(--tag-bg, rgba(var(--accent-rgb, 99,102,241), 0.1));
  color: var(--accent);
  padding: 0.15em 0.45em;
  border-radius: 5px;
  font-size: 0.875em;
}

.blog-post-content blockquote {
  border-left: 4px solid var(--accent);
  margin: 1.25rem 0;
  padding: 0.75rem 1.25rem;
  background: var(--tag-bg, rgba(var(--accent-rgb, 99,102,241), 0.07));
  border-radius: 0 8px 8px 0;
  color: var(--text-dim);
  font-style: italic;
}

.blog-post-content hr {
  border: none;
  border-top: 1.5px solid var(--border);
  margin: 2.5rem 0;
}

.blog-post-content img {
  max-width: 100%;
  border-radius: 10px;
  margin: 1.5rem auto;
  display: block;
  box-shadow: var(--shadow-md);
}

/* Active nav link style */
.nav-active {
  color: var(--accent) !important;
  font-weight: 600;
}

/* Tables inside blog posts */
.blog-post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
  overflow-x: auto;
  display: block;
}

.blog-post-content thead {
  background: rgba(var(--accent-rgb, 99,102,241), 0.12);
}

.blog-post-content th,
.blog-post-content td {
  border: 1px solid var(--border);
  padding: 0.55rem 0.9rem;
  text-align: left;
  vertical-align: top;
  line-height: 1.55;
}

.blog-post-content th {
  font-weight: 700;
  color: var(--text);
}

.blog-post-content tbody tr:nth-child(even) {
  background: var(--tag-bg, rgba(var(--accent-rgb, 99,102,241), 0.05));
}

.blog-post-content tbody tr:hover {
  background: rgba(var(--accent-rgb, 99,102,241), 0.1);
}

/* ============================================================
   Reaction bar
   ============================================================ */

.reaction-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  max-width: 720px;
  margin: 0 auto 2.5rem;
  padding: 1.1rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.reaction-label {
  font-size: 0.9rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.reaction-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.reaction-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.9rem;
  font-size: 1.1rem;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  color: var(--text);
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
  user-select: none;
}

.reaction-btn:hover {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb, 99,102,241), 0.08);
  transform: scale(1.07);
}

.reaction-btn.active {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb, 99,102,241), 0.15);
  font-weight: 600;
}

@keyframes pop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.3); }
  100% { transform: scale(1); }
}

.reaction-btn.pop {
  animation: pop 0.3s ease;
}

/* ============================================================
   Comments section (Giscus)
   ============================================================ */

.comments-section {
  max-width: 720px;
  margin: 0 auto 4rem;
  padding-top: 1rem;
  border-top: 1.5px solid var(--border);
}

.comments-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 1.25rem;
}

/* ============================================================
   Subscribe section
   ============================================================ */

.subscribe-section {
  margin: 3rem 0 1rem;
  padding: 2.5rem 2rem;
  background: linear-gradient(135deg,
    rgba(var(--accent-rgb, 99,102,241), 0.06),
    rgba(var(--accent-rgb, 99,102,241), 0.02)
  );
  border: 1.5px solid rgba(var(--accent-rgb, 99,102,241), 0.18);
  border-radius: var(--radius, 12px);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.subscribe-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 40%,
    rgba(var(--accent-rgb, 99,102,241), 0.08) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.subscribe-inner {
  position: relative;
  z-index: 1;
  max-width: 480px;
  margin: 0 auto;
}

.subscribe-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.subscribe-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 0.5rem;
}

.subscribe-desc {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin: 0 0 1.25rem;
}

.subscribe-form {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  align-items: stretch;
}

.subscribe-form input[type="email"] {
  flex: 1;
  min-width: 0;
  max-width: 280px;
  padding: 0.65rem 1rem;
  font-size: 0.9rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg, #fff);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.subscribe-form input[type="email"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb, 99,102,241), 0.15);
}

.subscribe-form input[type="email"]::placeholder {
  color: var(--text-dim);
  opacity: 0.6;
}

.subscribe-btn {
  padding: 0.65rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.subscribe-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(var(--accent-rgb, 99,102,241), 0.3);
}

.subscribe-btn:active {
  transform: translateY(0);
}

.subscribe-alt {
  margin-top: 1rem;
}

.rss-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.2s, color 0.2s;
}

.rss-link:hover {
  opacity: 1;
  color: var(--accent);
}

/* Mobile responsive */
@media (max-width: 480px) {
  .subscribe-section {
    padding: 2rem 1.25rem;
  }

  .subscribe-form {
    flex-direction: column;
    align-items: stretch;
  }

  .subscribe-form input[type="email"] {
    max-width: 100%;
  }
}