/* ================================================================
   M45 AUTOMOTIVE — BLOG STYLES
   Listing page, single post, sidebar, filter bar, admin panel
================================================================ */

/* ---- 1. BLOG FILTER BAR ---- */
.blog-filter {
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 72px;
  z-index: 90;
  transition: top var(--transition);
}

.nav.is-scrolled ~ main .blog-filter,
.blog-filter { top: 72px; }

.blog-filter__nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.blog-filter__nav::-webkit-scrollbar { display: none; }

.blog-filter__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.4rem 1rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--c-text-muted);
  background: transparent;
  border: 1px solid var(--c-border);
  border-radius: 100px;
  white-space: nowrap;
  transition: all var(--transition);
  text-decoration: none;
}

.blog-filter__tag:hover {
  color: var(--c-blue);
  border-color: var(--c-blue);
  background: var(--c-blue-light);
}

.blog-filter__tag.is-active {
  color: #fff;
  background: var(--c-navy);
  border-color: var(--c-navy);
}

.blog-filter__count {
  font-size: 0.7rem;
  font-weight: 600;
  background: rgba(0,0,0,0.08);
  padding: 0.1rem 0.4rem;
  border-radius: 100px;
  min-width: 1.3rem;
  text-align: center;
}

.blog-filter__tag.is-active .blog-filter__count {
  background: rgba(255,255,255,0.2);
}

/* ---- 2. BLOG GRID ---- */
.blog-listing {
  padding-top: var(--sp-lg);
  padding-bottom: var(--sp-xl);
}

.blog-listing__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-md);
}

.blog-listing__heading h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--c-navy);
}

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

.blog-listing__clear:hover { color: var(--c-red); }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
}

/* ---- 3. BLOG CARD ---- */
.blog-card {
  background: var(--c-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.blog-card__img-link {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.blog-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.blog-card:hover .blog-card__img {
  transform: scale(1.04);
}

.blog-card__img--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-navy);
  color: rgba(255,255,255,0.15);
  font-size: 2.5rem;
}

.blog-card__body {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card__category {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-blue);
  margin-bottom: 0.5rem;
  transition: color var(--transition);
}

.blog-card__category:hover { color: var(--c-blue-hover); }

.blog-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--c-navy);
  margin-bottom: 0.5rem;
}

.blog-card__title a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

.blog-card__title a:hover { color: var(--c-blue); }

.blog-card__excerpt {
  font-size: 0.9rem;
  color: var(--c-text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
  flex: 1;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--c-silver);
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--c-border);
}

.blog-card__dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--c-silver);
}

/* ---- 4. BLOG EMPTY STATE ---- */
.blog-empty {
  text-align: center;
  padding: var(--sp-xl) var(--sp-md);
}

.blog-empty i {
  font-size: 3rem;
  color: var(--c-border);
  margin-bottom: var(--sp-sm);
}

.blog-empty h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 0.5rem;
}

.blog-empty p {
  color: var(--c-text-muted);
  max-width: 45ch;
  margin: 0 auto var(--sp-md);
}

/* ---- 5. BLOG PAGINATION ---- */
.blog-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: var(--sp-lg);
}

.blog-pagination__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-navy);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.blog-pagination__btn:hover {
  background: var(--c-navy);
  color: #fff;
  border-color: var(--c-navy);
}

.blog-pagination__numbers {
  display: flex;
  gap: 0.25rem;
}

.blog-pagination__num {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-text-muted);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.blog-pagination__num:hover { background: var(--c-bg-alt); color: var(--c-navy); }
.blog-pagination__num.is-active {
  background: var(--c-navy);
  color: #fff;
}

/* ---- 6. SINGLE POST — HEADER ---- */
.post-header {
  position: relative;
  padding: calc(72px + var(--sp-xl)) 0 var(--sp-xl);
  background: var(--c-navy);
  overflow: hidden;
  min-height: 340px;
  display: flex;
  align-items: flex-end;
}

.post-header__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  object-position: center 40%;
  z-index: 0;
}

.post-header__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12,21,33,0.3) 0%, rgba(12,21,33,0.85) 100%);
  z-index: 1;
}

.post-header__content {
  position: relative;
  z-index: 2;
}

.post-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--sp-sm);
}

.post-breadcrumb a {
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}

.post-breadcrumb a:hover { color: #fff; }

.post-header__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #fff;
  text-transform: uppercase;
  line-height: 1.1;
  max-width: 28ch;
  margin-bottom: var(--sp-sm);
}

.post-header__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
}

.post-header__meta i { margin-right: 0.25rem; }

.post-header__sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
}

/* ---- 7. SINGLE POST — LAYOUT ---- */
.post-layout {
  padding: var(--sp-lg) 0 var(--sp-xl);
}

.post-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--sp-lg);
  align-items: start;
}

/* ---- 8. SINGLE POST — CONTENT (article body) ---- */
.post-content {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--c-text);
}

.post-content h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--c-navy);
  margin-top: var(--sp-md);
  margin-bottom: var(--sp-sm);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--c-border);
}

.post-content h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--c-navy);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.post-content p {
  margin-bottom: 1.25rem;
}

.post-content img {
  border-radius: var(--radius-md);
  margin: var(--sp-md) 0;
  box-shadow: var(--shadow-sm);
}

.post-content ul,
.post-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  list-style: disc;
}

.post-content ol { list-style: decimal; }

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

.post-content blockquote {
  border-left: 4px solid var(--c-blue);
  margin: var(--sp-md) 0;
  padding: 1rem 1.5rem;
  background: var(--c-blue-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--c-navy-mid);
}

.post-content a {
  color: var(--c-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition);
}

.post-content a:hover { color: var(--c-blue-hover); }

.post-content pre {
  background: var(--c-navy);
  color: #e2e8f0;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.post-content code {
  font-family: 'DM Mono', monospace;
  font-size: 0.88em;
  background: var(--c-bg-alt);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

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

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.25rem;
}

.post-content th,
.post-content td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
}

.post-content th {
  font-weight: 600;
  color: var(--c-navy);
  background: var(--c-bg-alt);
}

/* ---- 9. SIDEBAR ---- */
.sidebar-card {
  background: var(--c-surface);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--sp-md);
}

.sidebar-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--c-navy);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--c-border);
}

.sidebar-card--cta {
  background: var(--c-navy);
  color: rgba(255,255,255,0.8);
  text-align: center;
}

.sidebar-card--cta h3 {
  color: #fff;
  border-bottom-color: rgba(255,255,255,0.15);
}

.sidebar-card--cta p {
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.sidebar-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-blue);
  border-radius: 50%;
  margin: 0 auto 1rem;
  font-size: 1.15rem;
  color: #fff;
}

.sidebar-card__phone {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.sidebar-card__phone:hover { color: #fff; }
.sidebar-card__phone i { margin-right: 0.25rem; }

/* Sidebar related posts */
.sidebar-related__item {
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--c-border);
  transition: opacity var(--transition);
}

.sidebar-related__item:last-child { border-bottom: none; }
.sidebar-related__item:hover { opacity: 0.75; }

.sidebar-related__img {
  width: 64px;
  height: 48px;
  border-radius: var(--radius);
  object-fit: cover;
  flex-shrink: 0;
}

.sidebar-related__img--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-bg-alt);
  color: var(--c-border);
  font-size: 0.9rem;
}

.sidebar-related__title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-navy);
  line-height: 1.3;
  margin-bottom: 0.2rem;
}

.sidebar-related__date {
  font-size: 0.75rem;
  color: var(--c-silver);
}

/* Sidebar categories */
.sidebar-categories__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0;
  font-size: 0.9rem;
  color: var(--c-text);
  border-bottom: 1px solid var(--c-border);
  transition: color var(--transition);
}

.sidebar-categories__link:last-child { border-bottom: none; }
.sidebar-categories__link:hover { color: var(--c-blue); }

.sidebar-categories__link.is-active {
  color: var(--c-blue);
  font-weight: 600;
}

.sidebar-categories__link span:last-child {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--c-silver);
  background: var(--c-bg-alt);
  padding: 0.15rem 0.5rem;
  border-radius: 100px;
}

/* ---- 10. ADMIN PANEL ---- */
.admin-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--c-bg);
}

.admin-topbar {
  background: var(--c-navy);
  padding: 0 var(--sp-md);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin-topbar__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.admin-topbar__brand i { color: var(--c-blue); }

.admin-topbar__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.admin-topbar__link {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.admin-topbar__link:hover { color: #fff; }

.admin-body {
  flex: 1;
  padding: var(--sp-md);
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-md);
}

.admin-header h1 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--c-navy);
}

/* Admin stats row */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-sm);
  margin-bottom: var(--sp-md);
}

.admin-stat {
  background: var(--c-surface);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.admin-stat__label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-text-muted);
  margin-bottom: 0.25rem;
}

.admin-stat__value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--c-navy);
}

/* Admin table */
.admin-table-wrap {
  background: var(--c-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  text-align: left;
  padding: 0.85rem 1rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-text-muted);
  background: var(--c-bg-alt);
  border-bottom: 1px solid var(--c-border);
}

.admin-table td {
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  color: var(--c-text);
  border-bottom: 1px solid var(--c-border);
  vertical-align: middle;
}

.admin-table tr:last-child td { border-bottom: none; }

.admin-table tr:hover td { background: rgba(26,79,160,0.03); }

.admin-table__title {
  font-weight: 600;
  color: var(--c-navy);
}

.admin-table__title a { transition: color var(--transition); }
.admin-table__title a:hover { color: var(--c-blue); }

.admin-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 100px;
}

.admin-badge--published {
  background: #dcfce7;
  color: #166534;
}

.admin-badge--draft {
  background: #fef3c7;
  color: #92400e;
}

.admin-actions {
  display: flex;
  gap: 0.5rem;
}

.admin-actions a,
.admin-actions button {
  font-size: 0.8rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  color: var(--c-text-muted);
  background: transparent;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.admin-actions a:hover,
.admin-actions button:hover {
  border-color: var(--c-navy);
  color: var(--c-navy);
}

.admin-actions .admin-action--delete:hover {
  border-color: var(--c-red);
  color: var(--c-red);
}

/* Admin form (edit/create post) */
.admin-form {
  background: var(--c-surface);
  border-radius: var(--radius-md);
  padding: var(--sp-md);
  box-shadow: var(--shadow-sm);
}

.admin-form__group {
  margin-bottom: 1.5rem;
}

.admin-form__group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--c-text-muted);
  margin-bottom: 0.4rem;
}

.admin-form__group input[type="text"],
.admin-form__group input[type="url"],
.admin-form__group input[type="datetime-local"],
.admin-form__group select,
.admin-form__group textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-size: 0.95rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-bg);
  color: var(--c-text);
  transition: border-color var(--transition);
}

.admin-form__group input:focus,
.admin-form__group select:focus,
.admin-form__group textarea:focus {
  outline: none;
  border-color: var(--c-blue);
  box-shadow: 0 0 0 3px rgba(26,79,160,0.1);
}

.admin-form__group textarea {
  min-height: 400px;
  font-family: 'DM Mono', var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  resize: vertical;
}

.admin-form__group textarea.admin-form__excerpt {
  min-height: 80px;
}

.admin-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.admin-form__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--c-border);
  margin-top: var(--sp-sm);
}

.admin-form__help {
  font-size: 0.78rem;
  color: var(--c-silver);
  margin-top: 0.25rem;
}

/* Admin login */
.admin-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-navy);
}

.admin-login__card {
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  padding: var(--sp-md) var(--sp-lg);
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

.admin-login__brand {
  text-align: center;
  margin-bottom: var(--sp-md);
}

.admin-login__brand h1 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--c-navy);
}

.admin-login__brand p {
  font-size: 0.85rem;
  color: var(--c-text-muted);
}

.admin-alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.admin-alert--error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.admin-alert--success {
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}

/* ---- 11. RESPONSIVE — BLOG ---- */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .post-sidebar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-sm);
  }

  .sidebar-card { margin-bottom: 0; }

  .admin-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .admin-form__row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .blog-filter { top: 60px; }

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

  .post-header__title {
    font-size: clamp(1.75rem, 7vw, 2.5rem);
  }

  .post-sidebar {
    grid-template-columns: 1fr;
  }

  .admin-stats {
    grid-template-columns: 1fr;
  }

  .admin-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .admin-table { font-size: 0.82rem; }
  .admin-table th,
  .admin-table td { padding: 0.6rem 0.5rem; }
}