/* Blog — light minimal theme, matches raviranjankumar.in portfolio */
:root {
  --bg: #fafaf9;
  --card: #ffffff;
  --text: #1c1917;
  --muted: #78716c;
  --line: #e7e5e4;
  --accent: #4f46e5;
  --ai: #7c3aed;
  --space: #2563eb;
  --geopolitics: #d97706;
  --economy: #059669;
  --radius: 14px;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); line-height: 1.65; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }

/* Header */
.topbar { border-bottom: 1px solid var(--line); background: rgba(250,250,249,.92); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 50; }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-family: var(--serif); font-size: 20px; font-weight: bold; }
.brand span { color: var(--accent); }
.topnav a { margin-left: 22px; font-size: 14px; color: var(--muted); }
.topnav a:hover { color: var(--text); }

.hero { padding: 64px 0 30px; }
.hero h1 { font-family: var(--serif); font-size: clamp(38px, 6vw, 58px); line-height: 1.12; letter-spacing: -0.5px; }
.hero p { color: var(--muted); font-size: 17px; margin-top: 12px; max-width: 620px; }

/* Category chips + search */
.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 26px 0 30px; }
.chip { border: 1px solid var(--line); background: var(--card); padding: 8px 16px; border-radius: 999px; font-size: 14px; cursor: pointer; transition: all .15s; }
.chip:hover { border-color: var(--text); }
.chip.active { background: var(--text); color: #fff; border-color: var(--text); }
.search { margin-left: auto; }
.search input { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 9px 16px; font-size: 14px; width: 220px; outline: none; }
.search input:focus { border-color: var(--accent); }

/* Post cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; padding-bottom: 70px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform .18s, box-shadow .18s; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(0,0,0,.08); }
.cover { height: 170px; display: flex; align-items: flex-end; padding: 14px; color: #fff; font-family: var(--serif); font-size: 26px; }
.cover.ai { background: linear-gradient(135deg, #7c3aed, #4f46e5); }
.cover.space { background: linear-gradient(135deg, #0f172a, #2563eb); }
.cover.geopolitics { background: linear-gradient(135deg, #92400e, #d97706); }
.cover.economy { background: linear-gradient(135deg, #065f46, #059669); }
.cover.has-img { background-size: cover; background-position: center; }
.card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.badge { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; width: fit-content; }
.badge.ai { color: var(--ai); background: #f3efff; }
.badge.space { color: var(--space); background: #eff4ff; }
.badge.geopolitics { color: var(--geopolitics); background: #fdf3e3; }
.badge.economy { color: var(--economy); background: #e9faf3; }
.card h2 { font-family: var(--serif); font-size: 21px; line-height: 1.35; }
.card p.excerpt { color: var(--muted); font-size: 14.5px; flex: 1; }
.meta { font-size: 12.5px; color: var(--muted); display: flex; gap: 8px; align-items: center; }

.empty { text-align: center; color: var(--muted); padding: 60px 0; grid-column: 1 / -1; }
.loading { text-align: center; color: var(--muted); padding: 60px 0; grid-column: 1 / -1; }

/* Article page */
.article { max-width: 740px; margin: 0 auto; padding: 50px 22px 80px; }
.article .badge { margin-bottom: 16px; }
.article h1 { font-family: var(--serif); font-size: clamp(30px, 5vw, 44px); line-height: 1.2; margin-bottom: 14px; }
.article .meta { margin-bottom: 30px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.article .cover { height: 300px; border-radius: var(--radius); margin-bottom: 34px; font-size: 40px; }
.prose { font-size: 17.5px; }
.prose p { margin-bottom: 20px; }
.prose h2 { font-family: var(--serif); font-size: 26px; margin: 36px 0 14px; }
.prose h3 { font-family: var(--serif); font-size: 21px; margin: 30px 0 12px; }
.prose ul, .prose ol { margin: 0 0 20px 24px; }
.prose li { margin-bottom: 8px; }
.prose blockquote { border-left: 3px solid var(--accent); padding-left: 18px; color: var(--muted); font-style: italic; margin-bottom: 20px; }
.prose a { color: var(--accent); text-decoration: underline; }
.prose code { background: #f5f5f4; padding: 2px 7px; border-radius: 6px; font-size: 15px; }
.prose img { max-width: 100%; border-radius: 10px; margin: 10px 0; }
.share { display: flex; gap: 10px; margin: 40px 0; flex-wrap: wrap; }
.share a { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 8px 18px; font-size: 14px; }
.share a:hover { border-color: var(--text); }
.back { display: inline-block; margin-bottom: 10px; color: var(--muted); font-size: 14px; }
.back:hover { color: var(--text); }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 30px 0; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* Admin */
.admin-wrap { max-width: 960px; margin: 0 auto; padding: 40px 22px 80px; }
.login-card { max-width: 400px; margin: 60px auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; }
.login-card h2 { font-family: var(--serif); margin-bottom: 18px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 11px 14px; font-size: 15px; font-family: var(--sans); background: #fff; outline: none; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); }
.field textarea.content { min-height: 300px; font-family: ui-monospace, monospace; font-size: 14px; line-height: 1.7; }
.btn { border: none; border-radius: 999px; padding: 11px 26px; font-size: 15px; cursor: pointer; font-weight: 600; }
.btn-primary { background: var(--text); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-ghost { background: transparent; border: 1px solid var(--line); }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.err { color: #dc2626; font-size: 14px; margin-top: 10px; }
.editor-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 800px) { .editor-grid { grid-template-columns: 1fr; } .search { margin-left: 0; width: 100%; } .search input { width: 100%; } }
.preview { border: 1px dashed var(--line); border-radius: 10px; padding: 20px; background: #fff; min-height: 300px; }
.preview .prose { font-size: 15px; }
.post-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; margin-bottom: 10px; }
.post-row .t { font-weight: 600; font-size: 15px; }
.post-row .s { font-size: 12px; color: var(--muted); }
.post-row .actions { display: flex; gap: 8px; }
.mini-btn { border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 6px 12px; font-size: 13px; cursor: pointer; }
.mini-btn.danger { color: #dc2626; border-color: #fecaca; }
.admin-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 26px; flex-wrap: wrap; gap: 12px; }
.admin-head h1 { font-family: var(--serif); font-size: 30px; }
.hint { background: #eff6ff; border: 1px solid #bfdbfe; border-radius: 10px; padding: 14px 18px; font-size: 14px; margin-bottom: 24px; color: #1e40af; }
.hint code { background: #dbeafe; padding: 1px 6px; border-radius: 5px; }