/* ==========================================================================
   SMART INKLER - Blog Styles
   ========================================================================== */

/* Blog Page Layout */
.blog-page {
  min-height: 100vh;
  padding-top: 80px;
}

/* Blog Hero */
.blog-hero {
  padding: var(--space-4xl) 0 var(--space-2xl);
  text-align: center;
}

.blog-hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--space-md);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.032em;
  line-height: 0.98;
}

.blog-hero__subtitle {
  color: var(--text-secondary);
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Featured Post */
.blog-featured {
  padding: 0 0 var(--space-3xl);
}

.blog-toolbar-section {
  padding: 0 0 var(--space-xl);
}

.blog-toolbar {
  padding: var(--space-lg);
  display: grid;
  gap: var(--space-md);
}

.blog-toolbar__head {
  display: grid;
  gap: 0.35rem;
}

.blog-toolbar__title {
  margin: 0;
  font-size: 1.15rem;
  color: var(--text-primary);
}

.blog-toolbar__subtitle {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.blog-toolbar__controls {
  display: grid;
  gap: var(--space-sm);
}

.blog-search {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.55rem;
  padding: 0.65rem 0.8rem;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.02);
}

.blog-search:focus-within {
  border-color: rgba(96, 165, 250, 0.38);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}

.blog-search__icon {
  color: var(--text-muted);
}

.blog-search__input {
  width: 100%;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--text-primary);
  font: inherit;
}

.blog-search__input::placeholder {
  color: var(--text-muted);
}

.blog-filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.blog-filter-chip {
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.02);
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 0.42rem 0.7rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.blog-filter-chip:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

.blog-filter-chip.is-active {
  border-color: rgba(84, 167, 255, 0.3);
  background: linear-gradient(135deg, rgba(59,130,246,0.18), rgba(34,211,238,0.08));
  color: #d7ecff;
}

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

.featured-post {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  padding: var(--space-lg);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.featured-post:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.16);
  box-shadow: 0 24px 60px rgba(9, 16, 32, 0.35);
}

.featured-post__image {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(59, 130, 246, 0.05));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.featured-post__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 400ms ease;
}

.featured-post__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 24, 0.04), rgba(7, 11, 24, 0.28));
  opacity: 0.85;
  transition: opacity 300ms ease;
  z-index: 1;
}

.featured-post__placeholder {
  color: var(--text-muted);
  opacity: 0.5;
}

.featured-post__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-post__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: var(--space-md);
}

.featured-post__tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-accent);
  margin-bottom: var(--space-md);
  width: fit-content;
}

.featured-post__badges .featured-post__tag {
  margin-bottom: 0;
}

.featured-post__topic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.12);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
}

.featured-post__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-md);
  color: var(--text-primary);
  line-height: 1.3;
  transition: color var(--transition-fast);
}

.featured-post__excerpt {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.featured-post__meta {
  display: flex;
  gap: var(--space-sm);
  color: var(--text-muted);
  font-size: 0.9rem;
  flex-wrap: wrap;
}

.featured-post:hover .featured-post__img {
  transform: scale(1.04);
}

.featured-post:hover .featured-post__image-overlay {
  opacity: 0.6;
}

.featured-post:hover .featured-post__title {
  color: #dcecff;
}

/* Blog Grid */
.blog-grid-section {
  padding-bottom: var(--space-4xl);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr));
  gap: var(--space-lg);
}

.blog-grid-empty {
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.blog-grid-empty__title {
  margin: 0 0 0.4rem;
  color: var(--text-primary);
  font-size: 1.05rem;
}

.blog-grid-empty__text {
  margin: 0;
  color: var(--text-secondary);
}

/* Blog Card */
.blog-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: all var(--transition-normal);
  overflow: hidden;
  position: relative;
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.16);
  box-shadow: 0 20px 48px rgba(9, 16, 32, 0.28);
}

.blog-card__image {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(59, 130, 246, 0.03));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.blog-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 350ms ease;
}

.blog-card__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 24, 0.04), rgba(7, 11, 24, 0.22));
  opacity: 0.9;
  transition: opacity 250ms ease;
  z-index: 1;
}

.blog-card__placeholder {
  color: var(--text-muted);
  opacity: 0.4;
}

.blog-card__content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card__chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: var(--space-sm);
}

.blog-card__tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background: rgba(59, 130, 246, 0.15);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-accent);
  width: fit-content;
}

.blog-card__title {
  font-size: 1.15rem;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.blog-card__excerpt {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  flex: 1;
  margin-bottom: var(--space-md);
}

.blog-card__meta {
  display: flex;
  gap: var(--space-sm);
  color: var(--text-muted);
  font-size: 0.8rem;
  flex-wrap: wrap;
}

.blog-card:hover .blog-card__img {
  transform: scale(1.05);
}

.blog-card:hover .blog-card__image-overlay {
  opacity: 0.6;
}

.blog-card:hover .blog-card__title {
  color: #d9ebff;
}

/* Newsletter */
.blog-newsletter {
  padding: var(--space-2xl) 0 var(--space-4xl);
}

.newsletter-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2xl);
  padding: var(--space-2xl);
}

.newsletter-card__content {
  max-width: 500px;
}

.newsletter-card__title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.newsletter-card__desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.newsletter-card__form {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.newsletter-card__form .form__input {
  width: 280px;
}

/* Blog Article Page */
.article-page {
  min-height: 100vh;
  padding: 88px var(--space-md) var(--space-4xl);
}

/* Single glass card wrapping the whole post – same look for every post */
.article-card {
  max-width: 780px;
  margin: 0 auto;
  display: grid;
  gap: var(--space-xl);
}

.article-header {
  padding: 0;
  text-align: left;
}

.article-header__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  width: fit-content;
  position: sticky;
  top: 84px;
  z-index: calc(var(--z-sticky) - 1);
  justify-self: start;
  align-self: start;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  box-shadow: 0 8px 24px rgba(10, 16, 34, 0.18);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.article-header__back:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.05);
}

.article-header__back svg {
  width: 18px;
  height: 18px;
}

.article-header__tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-accent);
  margin-bottom: var(--space-lg);
}

.article-header__title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0;
  width: 100%;
  max-width: none;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.02;
  text-wrap: balance;
}

.article-header__meta {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.article-header__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.article-header__meta-item svg {
  width: 16px;
  height: 16px;
}

/* Article Content – no extra background; card provides glass. No horizontal scrollbar. */
.blog-post__featured-wrap {
  margin: 0;
  padding: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 28px 70px rgba(10, 16, 34, 0.35);
}

.blog-post__featured-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  border-radius: inherit;
}

.article-content {
  padding: var(--space-xl) var(--space-lg);
  background: transparent;
  overflow-x: hidden;
  overflow-wrap: break-word;
  word-break: break-word;
  max-width: 100%;
  border-radius: var(--radius-xl);
}

.article-content.glass-card:hover {
  transform: none;
}

.article-content > :first-child {
  margin-top: 0;
}

.article-content > :last-child {
  margin-bottom: 0;
}

.article-content h2 {
  font-size: 1.75rem;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.article-content h3 {
  font-size: 1.35rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.article-content p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.article-content ul,
.article-content ol {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.article-content li {
  margin-bottom: var(--space-sm);
}

.article-content blockquote {
  border-left: 3px solid var(--primary-blue);
  padding-left: var(--space-lg);
  margin: var(--space-xl) 0;
  font-style: italic;
  color: var(--text-secondary);
}

.article-content code {
  background: rgba(59, 130, 246, 0.1);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: 'SF Mono', Monaco, monospace;
  font-size: 0.9em;
  color: var(--text-accent);
}

.article-content pre {
  background: rgba(15, 22, 40, 0.8);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  overflow-x: auto;
  margin: var(--space-xl) 0;
}

.article-content pre code {
  background: none;
  padding: 0;
}

.article-content a {
  color: var(--text-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-content a:hover {
  color: var(--text-primary);
}

.article-content img {
  border-radius: var(--radius-lg);
  margin: var(--space-xl) 0;
  box-shadow: var(--glass-shadow);
}

/* Tip Box */
.tip-box {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
}

.tip-box__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  color: var(--text-accent);
  margin-bottom: var(--space-sm);
}

.tip-box__content {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Shortcut Table */
.shortcut-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-xl) 0;
}

.shortcut-table th,
.shortcut-table td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--glass-border-light);
}

.shortcut-table th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
}

.shortcut-table td {
  color: var(--text-secondary);
}

.shortcut-table kbd {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-sm);
  font-family: 'SF Mono', Monaco, monospace;
  font-size: 0.85rem;
  color: var(--text-accent);
}

/* Article CTA */
.article-cta {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  margin-top: var(--space-3xl);
}

.article-cta__title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.article-cta__desc {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

/* Related Posts */
.related-posts {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--glass-border-light);
  margin-top: var(--space-3xl);
}

.related-posts__title {
  font-size: 1.5rem;
  margin-bottom: var(--space-xl);
  text-align: center;
}

.related-posts__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

/* Active nav link */
.nav__link.active {
  color: var(--text-primary);
}

.nav__link.active::after {
  width: 100%;
}

@media (min-width: 1100px) {
  .article-header__back {
    position: fixed;
    top: 96px;
    left: max(var(--space-md), calc((100vw - 1280px) / 2 + var(--space-lg)));
    margin: 0;
  }
}

/* Responsive */
@media (max-width: 900px) {
  .blog-toolbar {
    padding: var(--space-md);
  }

  .featured-post {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .newsletter-card {
    flex-direction: column;
    text-align: center;
  }

  .newsletter-card__form {
    flex-direction: column;
    width: 100%;
  }

  .newsletter-card__form .form__input {
    width: 100%;
  }
}

@media (max-width: 600px) {
  .blog-hero__subtitle {
    font-size: 1rem;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .blog-toolbar__results {
    font-size: 0.8rem;
  }

  .article-page {
    padding: 76px var(--space-sm) var(--space-3xl);
  }

  .article-card {
    gap: var(--space-lg);
  }

  .article-content {
    padding: var(--space-lg) var(--space-md);
  }

  .article-header__meta {
    flex-direction: column;
    gap: var(--space-sm);
  }
}