/* ============================================================
   Tema Perpus — Perpustakaan Digital Sekolah
   Responsif, ringan, tanpa framework.
   ============================================================ */

:root {
  --primary: #0f766e;
  --primary-dark: #115e59;
  --accent: #f59e0b;
  --text: #1f2937;
  --muted: #6b7280;
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e5e7eb;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

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

/* ---------- Header ---------- */
.site-header {
  background: var(--primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand { display: flex; flex-direction: column; color: #fff; }
.brand:hover { text-decoration: none; }
.brand-title { font-size: 1.15rem; font-weight: 700; letter-spacing: 0.2px; }
.brand-sub { font-size: 0.75rem; opacity: 0.85; }

.site-nav ul {
  display: flex;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: block;
  padding: 8px 12px;
  border-radius: 6px;
  color: #fff;
  font-size: 0.95rem;
}

.site-nav a:hover { background: rgba(255, 255, 255, 0.15); text-decoration: none; }
.site-nav li.active a { background: rgba(255, 255, 255, 0.22); font-weight: 600; }

.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 1.5rem; cursor: pointer; }

/* ---------- Main ---------- */
.site-main { padding: 32px 0 48px; min-height: 60vh; }

.page-header { margin-bottom: 24px; border-bottom: 2px solid var(--border); padding-bottom: 12px; }
.page-header h1 { margin: 0 0 6px; font-size: 1.9rem; color: var(--primary-dark); }
.page-subtitle { margin: 0; color: var(--muted); }

.page-body h2 { color: var(--primary-dark); margin-top: 28px; }
.page-body img { max-width: 100%; height: auto; border-radius: var(--radius); }
.page-body table { border-collapse: collapse; width: 100%; margin: 16px 0; }
.page-body th, .page-body td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; }
.page-body th { background: #f1f5f9; }

blockquote { border-left: 4px solid var(--accent); margin: 16px 0; padding: 8px 16px; background: #fffbeb; border-radius: 0 6px 6px 0; }

/* ---------- Beranda ---------- */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 40px 32px;
  margin-bottom: 32px;
}

.hero h1 { margin-top: 0; font-size: 2rem; }
.hero a { color: #fcd34d; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  text-align: center;
}

.stat-number { font-size: 2rem; font-weight: 800; color: var(--primary); display: block; }
.stat-label { color: var(--muted); font-size: 0.9rem; }

/* ---------- Blog ---------- */
.blog-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
}

.blog-card h2 { margin: 0 0 6px; }
.blog-card h2 a { color: var(--primary-dark); }
.post-meta { color: var(--muted); font-size: 0.85rem; }
.read-more { font-weight: 600; }

.pagination ul { display: flex; gap: 6px; list-style: none; padding: 0; }
.pagination a { display: inline-block; padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; background: var(--card); }
.pagination a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- Form kontak ---------- */
.form { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.form .form-field { margin-bottom: 14px; }
.form label { display: block; font-weight: 600; margin-bottom: 4px; }
.form input[type="text"], .form input[type="email"], .form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
}
.form button, .form input[type="submit"], .form input[type="reset"] {
  background: var(--primary);
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 10px 20px;
  font: inherit;
  cursor: pointer;
}
.form button:hover, .form input[type="submit"]:hover { background: var(--primary-dark); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--primary-dark);
  color: #fff;
  padding: 20px 0;
  text-align: center;
  font-size: 0.9rem;
}
.site-footer a { color: #fcd34d; }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary);
    padding: 8px 16px 16px;
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; }
  .hero { padding: 28px 20px; }
}