/* ==========================================================================
   Game Blog - Frontend Stylesheet
   Lightweight, dependency-free, responsive CSS (no framework).
   ========================================================================== */

:root {
  --color-bg: #0f1220;
  --color-surface: #171a2b;
  --color-surface-2: #1f2338;
  --color-primary: #7c5cff;
  --color-primary-dark: #5c3fe0;
  --color-accent: #00e0c6;
  --color-text: #e8e9f3;
  --color-text-muted: #a1a4bd;
  --color-border: #2a2e46;
  --radius: 10px;
  --max-width: 1200px;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ---------- Header ---------- */
.site-header { background: var(--color-surface); border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; gap: 20px; }
.logo { font-weight: 800; font-size: 1.4rem; color: var(--color-text); }
.logo img { max-height: 40px; }
.main-nav { display: flex; align-items: center; gap: 24px; flex: 1; justify-content: flex-end; }
.main-nav ul { list-style: none; display: flex; gap: 18px; margin: 0; padding: 0; }
.main-nav ul li a { color: var(--color-text); font-weight: 500; }
.nav-search { display: flex; }
.nav-search input { background: var(--color-surface-2); border: 1px solid var(--color-border); color: var(--color-text); padding: 8px 12px; border-radius: var(--radius) 0 0 var(--radius); width: 180px; }
.nav-search button { background: var(--color-primary); border: none; color: #fff; padding: 8px 14px; border-radius: 0 var(--radius) var(--radius) 0; cursor: pointer; }
.nav-toggle { display: none; background: none; border: none; flex-direction: column; gap: 5px; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; background: var(--color-text); }

/* ---------- Featured post ---------- */
.featured-post { display: grid; grid-template-columns: 1.2fr 1fr; gap: 30px; margin: 30px 0; background: var(--color-surface); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--color-border); }
.featured-image img { width: 100%; height: 100%; object-fit: cover; min-height: 260px; }
.featured-content { padding: 24px; display: flex; flex-direction: column; justify-content: center; gap: 10px; }
.featured-content h1 { margin: 0; font-size: 1.7rem; }
.featured-content h1 a { color: var(--color-text); }

/* ---------- Layout ---------- */
.section-title { font-size: 1.3rem; margin: 30px 0 16px; border-left: 4px solid var(--color-primary); padding-left: 10px; }
.content-layout { display: grid; grid-template-columns: 2.3fr 1fr; gap: 30px; margin-bottom: 40px; }

/* ---------- Blog cards ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.blog-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .15s ease; }
.blog-card:hover { transform: translateY(-3px); }
.card-image img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.card-body { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-body h3 { margin: 0; font-size: 1.05rem; }
.card-body h3 a { color: var(--color-text); }
.card-body p { color: var(--color-text-muted); font-size: .92rem; margin: 0; }
.read-more { margin-top: auto; font-weight: 600; }

.badge { display: inline-block; background: var(--color-primary); color: #fff; font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 20px; text-transform: uppercase; letter-spacing: .04em; width: fit-content; }
.post-meta { color: var(--color-text-muted); font-size: .82rem; }

.btn { display: inline-block; background: var(--color-primary); color: #fff; padding: 10px 22px; border-radius: var(--radius); font-weight: 600; border: none; cursor: pointer; }
.btn:hover { background: var(--color-primary-dark); text-decoration: none; }

/* ---------- Sidebar ---------- */
.widget { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 18px; margin-bottom: 20px; }
.widget h3 { margin-top: 0; font-size: 1.05rem; }
.popular-list, .category-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.popular-list li a { display: flex; gap: 10px; align-items: center; color: var(--color-text); }
.popular-list li a img { width: 56px; height: 56px; object-fit: cover; border-radius: 6px; flex-shrink: 0; }
.category-list li { border-bottom: 1px solid var(--color-border); padding-bottom: 8px; }
.category-list li:last-child { border-bottom: none; }

/* ---------- Single post ---------- */
.single-post h1 { font-size: 1.9rem; margin: 10px 0; }
.featured-image-full { width: 100%; border-radius: var(--radius); margin: 16px 0; }
.post-content { font-size: 1.02rem; }
.post-content h2 { margin-top: 28px; }
.post-content img { border-radius: 8px; margin: 12px 0; }
.post-content blockquote { border-left: 4px solid var(--color-primary); margin: 16px 0; padding: 6px 18px; color: var(--color-text-muted); background: var(--color-surface); }
.post-content table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.post-content table th, .post-content table td { border: 1px solid var(--color-border); padding: 8px 12px; }
.post-content iframe { max-width: 100%; border-radius: 8px; }
.post-tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 20px 0; }
.tag { background: var(--color-surface-2); padding: 4px 12px; border-radius: 20px; font-size: .85rem; }
.share-buttons { display: flex; gap: 12px; align-items: center; margin: 20px 0; flex-wrap: wrap; }
.share-buttons a { background: var(--color-surface-2); padding: 6px 14px; border-radius: 20px; }
.prev-next { display: flex; justify-content: space-between; border-top: 1px solid var(--color-border); padding-top: 16px; margin-top: 20px; gap: 12px; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { margin: 16px 0; font-size: .85rem; color: var(--color-text-muted); }
.breadcrumb ol { list-style: none; display: flex; gap: 6px; padding: 0; margin: 0; flex-wrap: wrap; }
.breadcrumb li:not(:last-child)::after { content: '/'; margin-left: 6px; }

/* ---------- Pagination ---------- */
.pagination { display: flex; gap: 8px; margin: 30px 0; flex-wrap: wrap; }
.page-link { background: var(--color-surface); border: 1px solid var(--color-border); padding: 8px 14px; border-radius: 6px; color: var(--color-text); }
.page-link.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* ---------- Search ---------- */
.search-form-large { display: flex; gap: 10px; margin: 20px 0; max-width: 500px; }
.search-form-large input { flex: 1; padding: 12px; border-radius: var(--radius); border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text); }
.result-count { color: var(--color-text-muted); }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-surface); border-top: 1px solid var(--color-border); margin-top: 60px; padding: 40px 0 0; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; max-width: var(--max-width); margin: 0 auto; padding: 0 20px 30px; }
.footer-col h3, .footer-col h4 { margin-top: 0; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.social-links { flex-direction: row !important; flex-wrap: wrap; gap: 12px !important; }
.footer-bottom { text-align: center; padding: 16px; border-top: 1px solid var(--color-border); color: var(--color-text-muted); font-size: .85rem; }

/* ---------- Error pages ---------- */
.error-page { text-align: center; padding: 80px 0; }
.error-page h1 { font-size: 5rem; margin: 0; color: var(--color-primary); }

/* ---------- Page titles ---------- */
.page-title { margin: 24px 0 6px; }
.page-description { color: var(--color-text-muted); margin-bottom: 20px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .content-layout { grid-template-columns: 1fr; }
  .featured-post { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--color-surface); flex-direction: column; align-items: stretch; padding: 16px 20px; display: none; border-bottom: 1px solid var(--color-border); }
  .main-nav.open { display: flex; }
  .main-nav ul { flex-direction: column; gap: 10px; }
  .nav-search { margin-top: 12px; }
  .nav-search input { width: 100%; }
  .blog-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}