:root {
  --bg: #fafaf8; --fg: #1d1d1f; --muted: #6b6b70; --card: #ffffff;
  --line: #e4e4e0; --accent: #0d6b5f; --accent-fg: #ffffff; --danger: #b3261e; --ok: #1b6e3a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121414; --fg: #ececec; --muted: #9a9ea0; --card: #1b1e1e;
    --line: #2b3030; --accent: #4cc3b0; --accent-fg: #0b1110; --danger: #ff8a80; --ok: #7ad89a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
a { color: var(--accent); }
img { max-width: 100%; height: auto; }

/* Cabeçalho */
.site-header { border-bottom: 1px solid var(--line); background: var(--card); }
.bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; padding-top: 12px; padding-bottom: 12px; }
.brand { font-weight: 800; font-size: 1.25rem; color: var(--fg); text-decoration: none; }
.nav { display: flex; flex-wrap: wrap; gap: 4px 14px; flex: 1; }
.nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
.nav a:hover { color: var(--accent); }
.search input { width: 130px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--fg); font: inherit; font-size: .9rem; }

main.wrap { padding-top: 24px; padding-bottom: 40px; min-height: 60vh; }
.hero { padding: 20px 0 10px; }
.hero h1 { margin: 0 0 4px; font-size: 2rem; line-height: 1.2; }
.hero p { margin: 0; color: var(--muted); }
.page-title { font-size: 1.5rem; margin: 0 0 16px; }
.empty { color: var(--muted); }

/* Cartões */
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); margin-top: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; display: flex; flex-direction: column; }
.card .cover { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; }
.card-body { padding: 14px 16px 16px; }
.card h2 { font-size: 1.15rem; line-height: 1.3; margin: 8px 0 4px; }
.card h2 a { color: var(--fg); text-decoration: none; }
.card h2 a:hover { color: var(--accent); }
.card p { margin: 6px 0 0; font-size: .95rem; }
.meta { color: var(--muted); font-size: .85rem; }
.badge { display: inline-block; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--accent); text-decoration: none; }

.pager, .prevnext { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 28px; font-size: .95rem; }
.prevnext a { max-width: 48%; }
.prevnext .next { margin-left: auto; text-align: right; }

/* Artigo */
.post h1 { font-size: 2rem; line-height: 1.25; margin: 6px 0 6px; }
.post-cover { width: 100%; border-radius: 12px; margin: 16px 0; }
.content { font-size: 1.05rem; }
.content h2 { margin-top: 2rem; line-height: 1.3; }
.content h3 { margin-top: 1.6rem; }
.content blockquote { margin: 1.2rem 0; padding: .2rem 1rem; border-left: 4px solid var(--accent); color: var(--muted); }
.content pre { background: var(--card); border: 1px solid var(--line); padding: 12px; border-radius: 10px; overflow-x: auto; font-size: .9rem; }
.content code { background: var(--card); padding: 1px 5px; border-radius: 5px; font-size: .92em; }
.content pre code { background: none; padding: 0; }
.content img { border-radius: 10px; margin: .6rem 0; }
.content hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }

/* Rodapé */
.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; padding: 18px 0; }

/* Formulários e admin */
.narrow { max-width: 420px; margin: 20px auto; }
.form label { display: block; margin: 0 0 14px; font-weight: 600; font-size: .95rem; }
.form input[type=text], .form input[type=password], .form input[type=date], .form select, .form textarea {
  display: block; width: 100%; margin-top: 5px; padding: 10px 12px; font: inherit; font-weight: 400;
  background: var(--card); color: var(--fg); border: 1px solid var(--line); border-radius: 10px;
}
.form textarea { resize: vertical; }
#texto { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .95rem; line-height: 1.5; }
.row { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
button, .btn { display: inline-block; padding: 10px 18px; border: 0; border-radius: 10px; background: var(--accent); color: var(--accent-fg); font: inherit; font-weight: 700; cursor: pointer; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); }
.btn.small { padding: 6px 12px; font-size: .9rem; margin: 0; font-weight: 600; }
button.link { background: none; color: var(--accent); padding: 0; font-weight: 400; }
button.link.danger { color: var(--danger); }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 8px; }
.toolbar button { padding: 6px 12px; background: var(--card); color: var(--fg); border: 1px solid var(--line); font-weight: 600; }
.tools { margin: -6px 0 14px; }
.alert { background: color-mix(in srgb, var(--danger) 12%, transparent); border: 1px solid var(--danger); color: var(--danger); padding: 10px 12px; border-radius: 10px; }
.ok { background: color-mix(in srgb, var(--ok) 12%, transparent); border: 1px solid var(--ok); color: var(--ok); padding: 10px 12px; border-radius: 10px; }
.admin-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; }
.admin-head h1 { margin: 0; }
.admin-list { list-style: none; padding: 0; margin: 16px 0; }
.admin-list li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.admin-list .meta { display: block; }
.actions { display: flex; gap: 14px; align-items: center; }
.actions form { margin: 0; }
.logout { margin-top: 24px; }
.help { margin-top: 20px; color: var(--muted); }