/* AI Social Publisher CMS — simple responsive theme */
:root {
    --bg: #ffffff;
    --ink: #1f2933;
    --muted: #6b7280;
    --brand: #2563eb;
    --brand-dark: #1d4ed8;
    --border: #e5e7eb;
    --card: #f9fafb;
    --max: 1080px;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
}
.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.site-header { border-bottom: 1px solid var(--border); background: #fff; position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; gap: 16px; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.25rem; color: var(--ink); }
.nav a { margin-left: 16px; color: var(--muted); font-size: .95rem; }
.nav a:hover { color: var(--brand); }

/* Layout */
.main-content { padding: 32px 20px 56px; }
.hero { padding: 24px 0 8px; }
.hero h1 { font-size: 2rem; margin: 0 0 6px; }
.lead { color: var(--muted); font-size: 1.1rem; }

/* Cards */
.article-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 22px; margin-top: 16px; }
.card { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: #fff; display: flex; flex-direction: column; }
.card img { width: 100%; height: 160px; object-fit: cover; display: block; }
.card-body { padding: 14px 16px; }
.card-body h3 { margin: 8px 0; font-size: 1.05rem; }
.card-body p { color: var(--muted); font-size: .92rem; margin: 0 0 10px; }
.card-body time { color: var(--muted); font-size: .8rem; }

.category-grid { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.category-grid a { display: block; padding: 16px; border: 1px solid var(--border); border-radius: 10px; color: var(--ink); }
.category-grid a:hover { border-color: var(--brand); text-decoration: none; }
.category-grid span { display: block; color: var(--muted); font-size: .85rem; margin-top: 4px; }

.badge { display: inline-block; background: #eef2ff; color: var(--brand-dark); border-radius: 999px; padding: 2px 10px; font-size: .75rem; font-weight: 600; }

/* Article */
.breadcrumb { color: var(--muted); font-size: .85rem; margin-bottom: 16px; }
.post h1 { font-size: 2.1rem; line-height: 1.25; margin: 6px 0 12px; }
.post-meta { display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: .9rem; margin-bottom: 18px; }
.featured img { width: 100%; max-height: 460px; object-fit: cover; border-radius: 12px; }
.post-body { font-size: 1.06rem; margin: 22px 0; }
.post-body h2 { margin-top: 1.6em; }
.post-body ul { padding-left: 1.3em; }
.faq details { border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; margin-bottom: 10px; }
.faq summary { font-weight: 600; cursor: pointer; }
.share { margin: 22px 0; display: flex; gap: 12px; align-items: center; }
.share a { border: 1px solid var(--border); border-radius: 6px; padding: 4px 12px; }
.related ul { list-style: none; padding: 0; }
.related li { padding: 8px 0; border-bottom: 1px solid var(--border); }

.ad-slot { margin: 24px 0; min-height: 60px; background: repeating-linear-gradient(45deg,#f3f4f6,#f3f4f6 10px,#fafafa 10px,#fafafa 20px); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #9ca3af; font-size: .8rem; }
.ad-slot:empty::after { content: "Advertisement"; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 24px 0; color: var(--muted); font-size: .9rem; }

@media (max-width: 640px) {
    .post h1 { font-size: 1.6rem; }
    .nav a { margin-left: 10px; }
}