/* ===== Blog Layout ===== */
.blog-content {
  max-width: 48rem;
  margin: 0 auto;
  padding: calc(var(--header-height) + 3rem) var(--space) 4rem;
  position: relative;
  z-index: 1;
}

/* ===== Post Container ===== */
.post-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
}

.post-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}

/* ===== Blog Index ===== */
.blog-index__intro {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.65;
  margin: -0.5rem 0 2.5rem;
}

.blog-index__group {
  margin-bottom: 3rem;
}

.blog-index__group-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 0 0 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.blog-index__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.blog-index__item {
  display: block;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all 0.4s var(--ease-out-expo);
}

.blog-index__item:hover {
  border-color: var(--border-hover);
  box-shadow: 0 8px 24px rgba(0, 212, 170, 0.08);
  transform: translateY(-2px);
}

.blog-index__item-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 0.35rem;
}

.blog-index__item-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0 0 0.5rem;
  line-height: 1.5;
}

.blog-index__item-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  opacity: 0.7;
}

/* ===== Post Header ===== */
.post-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.post-header__product {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.post-header__product--fluxco {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.post-header__product--arch-convert {
  background: rgba(0, 212, 170, 0.12);
  color: #00d4aa;
}

.post-header__product--dispute-calculator {
  background: rgba(100, 180, 255, 0.12);
  color: #64b4ff;
}

.post-header__product--pass-the-report {
  background: rgba(160, 100, 255, 0.12);
  color: #a064ff;
}

.post-header__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 0.5rem;
}

.post-header__date {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== Post Body ===== */
.post-body h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 2.5rem 0 1rem;
}

.post-body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  margin: 2rem 0 0.75rem;
}

.post-body p {
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0 0 1.25rem;
}

.post-body a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 212, 170, 0.3);
  transition: border-color 0.2s ease;
}

.post-body a:hover {
  border-bottom-color: var(--accent);
}

.post-body ul,
.post-body ol {
  color: var(--text-muted);
  line-height: 1.75;
  padding-left: 1.5rem;
  margin: 0 0 1.25rem;
}

.post-body li {
  margin-bottom: 0.5rem;
}

.post-body strong {
  color: var(--text);
  font-weight: 600;
}

.post-body blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  background: rgba(0, 212, 170, 0.05);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.post-body blockquote p {
  color: var(--text);
  margin: 0;
}

.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.95rem;
}

.post-body th {
  text-align: left;
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  color: var(--text);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

.post-body td {
  padding: 0.65rem 1rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.post-body code {
  font-size: 0.9em;
  padding: 0.15em 0.4em;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--accent);
}

.post-body pre {
  margin: 1.25rem 0;
  padding: 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
}

.post-body pre code {
  padding: 0;
  background: none;
  border: none;
  color: var(--text);
}

/* ===== Related Posts ===== */
.post-related {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.post-related__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 1rem;
}

.post-related__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.post-related__link {
  display: block;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s var(--ease-out-expo);
}

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

/* ===== Breadcrumb ===== */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb__sep {
  margin: 0 0.5rem;
  opacity: 0.5;
}

/* ===== Mobile ===== */
@media (max-width: 640px) {
  .blog-content {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .post-container {
    padding: 1.5rem;
  }

  .post-header__title {
    font-size: 1.6rem;
  }

  .blog-index__item {
    padding: 1rem;
  }
}