:root {
  --bg: #f5f0e8;
  --surface: #fbf8f2;
  --ink: #2b2620;
  --muted: #7a7064;
  --accent: #6b4f2a;
  --accent-hover: #523c1f;
  --border: #ddd2bf;
  --danger: #9c3b2e;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --maxw: 960px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

h1, h2, h3 { font-weight: 600; line-height: 1.25; }
h1 { font-size: 2rem; margin: 1.5rem 0 0.75rem; }
h2 { font-size: 1.4rem; margin: 2rem 0 0.75rem; }
h3 { font-size: 1.15rem; margin: 0 0 0.4rem; }

.muted { color: var(--muted); font-size: 0.95rem; }
.prose { max-width: 680px; }
.lead { font-size: 1.25rem; color: var(--muted); max-width: 680px; }

.site-header, .admin-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.brand { font-size: 1.3rem; font-weight: 700; font-family: var(--serif); }
.site-nav a { margin-left: 1.25rem; font-family: var(--sans); font-size: 0.95rem; }

.site-footer {
  margin-top: 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.hero { padding: 2.5rem 0 1rem; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}
.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.1rem 1.2rem;
  color: inherit;
}
.card:hover { border-color: var(--accent); text-decoration: none; }
.card h3 { color: var(--accent); }
.excerpt { font-size: 0.95rem; color: var(--muted); margin: 0.4rem 0 0; }

.pill-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0 1.5rem; }
.pill {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.9rem;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
}
.pill:hover { border-color: var(--accent); text-decoration: none; }
.pill.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.link-list { padding-left: 1.2rem; }
.chapter-links { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chapter-links a {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  font-family: var(--sans);
  font-size: 0.9rem;
}
.toc-book { margin-bottom: 1.5rem; }

/* Admin + forms */
body.admin { font-family: var(--sans); font-size: 16px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 1.2rem; text-align: center; }
.stat-num { display: block; font-size: 2rem; font-weight: 700; }
.stat-label { color: var(--muted); font-size: 0.9rem; }

.form { max-width: 520px; }
.form-row { margin-bottom: 1rem; display: flex; flex-direction: column; gap: 0.3rem; }
.form-row.check { flex-direction: row; align-items: center; gap: 0.5rem; }
.input { padding: 0.55rem 0.7rem; border: 1px solid var(--border); border-radius: 4px; font-size: 1rem; font-family: inherit; width: 100%; }
textarea.input { min-height: 120px; }
label { font-weight: 600; font-size: 0.9rem; }
.errors { color: var(--danger); font-size: 0.85rem; margin: 0.2rem 0 0; padding-left: 1rem; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 0.55rem 1.1rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  cursor: pointer;
}
.btn:hover { background: var(--accent-hover); text-decoration: none; color: #fff; }
.btn-danger { background: var(--danger); }
.btn-secondary { background: var(--muted); }
.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.85rem; }

.row-actions { display: flex; gap: 0.5rem; align-items: center; }

.table { width: 100%; border-collapse: collapse; margin-top: 1rem; background: var(--surface); }
.table th, .table td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--border); }
.table th { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }

.flash { padding: 0.7rem 1rem; border-radius: 4px; margin: 1rem 0; font-family: var(--sans); }
.flash-success { background: #e7f0e3; color: #355e2a; }
.flash-error { background: #f5e0dc; color: var(--danger); }

.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 2rem; width: 100%; max-width: 380px; }