:root {
  --bg: #0b1120;
  --bg-elevated: #0f172a;
  --border-subtle: #1f2937;
  --text-main: #e5e7eb;
  --text-muted: #9ca3af;
  --accent: #38bdf8;
  --accent-soft: rgba(56,189,248,0.12);
  --card-bg: #020617;
  --shadow-soft: 0 20px 40px rgba(15,23,42,0.6);
  --radius-lg: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg,  #020617 30%, #020617 100%);
  color: var(--text-main);
}

/* Layout */
.category-page {
  max-width: 1300px;
  margin: 0 auto;
  padding: 16px 16px 40px;
}

/* Hero */
.cat-hero {
  padding: 24px 20px 18px;
  border-radius: 24px;
  background: radial-gradient(circle at top left, rgba(56,189,248,0.2), transparent 55%),
              radial-gradient(circle at top right, rgba(168,85,247,0.2), transparent 55%),
              #020617;
  border: 1px solid rgba(148,163,184,0.35);
  box-shadow: var(--shadow-soft);
  margin-bottom: 18px;
}

.cat-breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.cat-breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}
.cat-breadcrumb a:hover {
  color: var(--accent);
}
.cat-breadcrumb .sep {
  margin: 0 4px;
}

.cat-title {
  margin: 0 0 10px;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.cat-title span {
  color: var(--accent);
}

.cat-intro {
  margin: 0;
  font-size: 14px;
  color: var(--text-main);
  max-width: 720px;
  line-height: 1.5;
}
.cat-intro.small {
  color: var(--text-muted);
}

/* Main layout */
.cat-layout {
  display: grid;
  grid-template-columns: minmax(0, 2.4fr) minmax(0, 1fr);
  gap: 18px;
  margin-top: 20px;
}

/* Subcategories */
.cat-subcats {
  margin-bottom: 12px;
}
.section-title {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 8px;
}
.subcat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.subcat-chip {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.5);
  color: var(--text-muted);
  text-decoration: none;
  background: rgba(15,23,42,0.8);
}
.subcat-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(56,189,248,0.08);
}

/* Articles grid */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

.empty-state {
  font-size: 14px;
  color: var(--text-muted);
}

/* Card */
.cat-card {
  background: rgba(15,23,42,0.96);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 12px 30px rgba(15,23,42,0.7);
}

.cat-card .card-media img {
  display: block;
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.card-body {
  padding: 12px 12px 14px;
}

.card-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.card-tag {
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(15,23,42,0.9);
  border: 1px solid rgba(148,163,184,0.5);
}

.card-title {
  font-size: 15px;
  margin: 0 0 6px;
}
.card-title a {
  color: var(--text-main);
  text-decoration: none;
}
.card-title a:hover {
  color: var(--accent);
}

.card-excerpt {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 10px;
  line-height: 1.4;
}

.card-readmore {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-decoration: none;
}
.card-readmore:hover {
  text-decoration: underline;
}

/* Pagination */
.cat-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin: 20px 0 8px;
  font-size: 13px;
}
.page-link {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.6);
  text-decoration: none;
  color: var(--text-main);
}
.page-link.disabled {
  opacity: 0.4;
  pointer-events: none;
}
.page-link.prev:hover,
.page-link.next:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.page-status {
  color: var(--text-muted);
}

/* Sidebar */
.cat-sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sidebar-card {
  background: rgba(15,23,42,0.96);
  border-radius: 18px;
  padding: 12px 14px 14px;
  border: 1px solid var(--border-subtle);
}
.sidebar-card h3 {
  font-size: 14px;
  margin: 0 0 8px;
}
.sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sidebar-list li {
  margin-bottom: 6px;
}
.sidebar-list a {
  font-size: 13px;
  color: var(--text-main);
  text-decoration: none;
}
.sidebar-list a:hover {
  color: var(--accent);
}

.sidebar-card.highlight {
  background: radial-gradient(circle at top left, rgba(56,189,248,0.15), transparent 60%),
              radial-gradient(circle at bottom right, rgba(168,85,247,0.15), transparent 60%),
              rgba(15,23,42,0.96);
}
.sidebar-card.highlight p {
  font-size: 13px;
  color: var(--text-main);
  margin: 0 0 10px;
}
.btn-subscribe {
  display: inline-block;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--accent);
  color: #0b1120;
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.btn-subscribe:hover {
  opacity: 0.9;
}

/* Responsive */
@media (max-width: 900px) {
  .cat-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .cat-sidebar {
    order: -1;
  }
  .cat-hero {
    padding: 18px 14px 12px;
  }
}
@media (max-width: 600px) {
  .category-page {
    padding-inline: 12px;
  }
  .cat-title {
    font-size: 22px;
  }
  .cat-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}