/* assets/css/blog-index.css */

:root {
  --bg-primary: #090D16;
  --bg-surface: #131B2E;
  --bg-card: #1A233A;
  --bg-card-hover: #222E4A;
  --border-color: #2A3859;
  --text-main: #F1F5F9;
  --text-muted: #94A3B8;
  --accent-blue: #38BDF8;
  --accent-purple: #818CF8;
  --accent-glow: rgba(56, 189, 248, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: #F8FAFC;
    --bg-surface: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F8FAFC;
    --border-color: #E2E8F0;
    --text-main: #0F172A;
    --text-muted: #64748B;
    --accent-blue: #0284C7;
    --accent-purple: #6366F1;
    --accent-glow: rgba(2, 132, 199, 0.08);
  }
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.site-wrapper {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header Navbar */
.header-nav {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-main);
  text-decoration: none;
}

.brand-logo {
  border-radius: 8px;
  object-fit: cover;
}

.breadcrumb-nav {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

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

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

.breadcrumb-nav .separator {
  opacity: 0.5;
}

.breadcrumb-nav .current {
  color: var(--text-main);
  font-weight: 500;
}

/* Section Divider */
.section-divider {
  border: 0;
  height: 1px;
  background: var(--border-color);
  margin: 2.25rem 0;
  width: 100%;
}

/* Minimal Hero Section */
.hero-minimal {
  text-align: center;
  padding: 1rem 0 0.5rem 0;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-blue);
  background: var(--accent-glow);
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  margin-bottom: 0.85rem;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.hero-minimal h1 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem 0;
}

.hero-minimal p {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto;
}

/* Categories Bar */
.categories-bar {
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: none;
}

.categories-bar::-webkit-scrollbar {
  display: none;
}

.category-scroll {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
}

@media (max-width: 768px) {
  .category-scroll {
    justify-content: flex-start;
  }
}

.pill-tag {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.4rem 0.9rem;
  border-radius: 20px;
  font-size: 0.825rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: var(--transition);
}

.pill-tag:hover {
  border-color: var(--accent-blue);
  background: var(--accent-glow);
  color: var(--accent-blue);
}

/* Compact Article Grid */
.feed-section {
  /* section wrapper */
}

.feed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.compact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.compact-card:hover {
  transform: translateY(-3px);
  background: var(--bg-card-hover);
  border-color: var(--accent-blue);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.badge-category {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-blue);
}

.read-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.compact-card h2 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.4rem 0;
  line-height: 1.35;
}

.compact-card h2 a {
  color: var(--text-main);
  text-decoration: none;
}

.compact-card h2 a:hover {
  color: var(--accent-blue);
}

.compact-card p {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin: 0 0 1rem 0;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 0.75rem;
  margin-top: auto;
  font-size: 0.75rem;
}

.rating {
  letter-spacing: -1.5px;
  font-size: 0.65rem;
}

.card-action {
  font-weight: 600;
  color: var(--accent-blue);
  text-decoration: none;
  transition: var(--transition);
}

.card-action:hover {
  transform: translateX(2px);
}

/* Sleek Download Banner */
.download-banner {
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-card) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.banner-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.banner-text h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.3rem 0;
}

.banner-text p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

.store-link img {
  height: 44px;
  width: auto;
  display: block;
  transition: var(--transition);
}

.store-link:hover img {
  transform: scale(1.03);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 0;
  margin-top: 2.5rem;
  font-size: 0.825rem;
  color: var(--text-muted);
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.0rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-blue);
}

@media (max-width: 640px) {
  .banner-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-wrap {
    flex-direction: column;
    text-align: center;
  }
}