/* m.bayu.id — tampilan web jaman dulu, "kayak tanpa CSS"
   Satu tampilan saja: hitam di atas putih, TANPA dark mode.
   Font bawaan browser (serif), link biru klasik, visited ungu.
   Yang diatur hanya layout: lebar kolom, margin, spacing. */

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: #fff;
  color: #000;
  line-height: 1.6;
}

a:link { color: #0000ee; }
a:visited { color: #551a8b; }
a:active { color: #ee0000; }

img { max-width: 100%; height: auto; display: block; }

input, button, select, textarea { font: inherit; }

hr { border: 0; border-top: 1px solid #808080; }

/* ---------- lebar kolom + gutter ---------- */
.wrap,
.wrap-narrow {
  width: 100%; max-width: 42rem; margin: 0 auto;
  padding-left: 1rem; padding-right: 1rem;
}

/* ---------- skip link ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: #fff; border: 1px solid #000;
  padding: .5rem .75rem; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- header ---------- */
.site-header { border-bottom: 1px solid #000; background: #fff; }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: .5rem 1rem; flex-wrap: wrap;
  padding-top: .6rem; padding-bottom: .6rem;
}
.brand { font-weight: bold; }
.brand-mark { display: none; }
.nav { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

/* ---------- hero ---------- */
.hero { padding: 2rem 0; }
.hero + .list-section { padding-top: 0; }
.eyebrow { margin: 0 0 .5rem; }
.hero-title { margin: 0; font-size: 2em; line-height: 1.1; }
.hero-lead { margin: .75rem 0 0; max-width: 34rem; }

/* ---------- daftar artikel ---------- */
.list-section { padding: 1.5rem 0 2.5rem; border-top: 1px solid #000; }
.post-list { list-style: none; margin: 0; padding: 0; }
.post-item { border-bottom: 1px solid #808080; }
.post-item article { padding: 1.25rem 0; }
.post-date { margin: 0 0 .25rem; font-size: .85em; }
.post-title { margin: 0 0 .4rem; font-size: 1.4em; line-height: 1.25; }
.post-excerpt { margin: 0 0 .6rem; }
.post-more { font-size: .95em; }
.post-foot { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.post-foot .post-more { margin-left: auto; }
.post-foot .post-cat { font-size: .95em; }
.empty { padding: 1rem 0; }

/* ---------- artikel ---------- */
.post { padding: 2rem 0; max-width: 42rem; margin: 0 auto; padding-left: 1rem; padding-right: 1rem; }
.post-head { margin-bottom: 1.5rem; }
.post-h1 { margin: 0 0 .5rem; font-size: 2em; line-height: 1.15; }
.post-head .post-date { margin: 0 0 .75rem; }
.post-dek {
  margin: 0; padding-left: .75rem;
  border-left: 3px solid #808080; font-style: italic;
}
.post-back { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid #808080; }

/* ---------- isi artikel ---------- */
.prose { line-height: 1.6; overflow-wrap: break-word; }
.prose > :first-child { margin-top: 0; }
.prose > * + * { margin-top: 1.25rem; }
.prose h2 { font-size: 1.5em; margin-top: 2rem; margin-bottom: .5rem; }
.prose h3 { font-size: 1.25em; margin-top: 1.5rem; margin-bottom: .4rem; }
.prose p { margin: 0 0 1.25em; }
.prose ul, .prose ol { margin: 0 0 1.25em; padding-left: 1.5rem; }
.prose li { margin: .3rem 0; }
.prose blockquote {
  margin: 1.25rem 0; padding-left: 1rem;
  border-left: 3px solid #808080; font-style: italic;
}
.prose blockquote p { margin: 0; }
.prose hr { margin: 2rem 0; }
.prose code { font-size: .9em; }
.prose pre { overflow-x: auto; line-height: 1.5; margin: 1.25rem 0; }
.table-wrap { overflow-x: auto; max-width: 100%; margin: 0 0 1.25em; }
.prose table { border-collapse: collapse; width: 100%; }
.prose th, .prose td { border: 1px solid #808080; padding: .4rem .6rem; text-align: left; }
.prose th { font-weight: bold; }
.prose img { max-width: 100%; margin: 1.5rem auto; }
.prose figure { margin: 1.5rem 0; }
.prose figure img { margin: 0 auto; }
.prose figcaption { font-size: .85em; text-align: center; margin-top: .5rem; line-height: 1.5; }

/* ---------- halaman statis ---------- */
.page { padding: 2rem 0; max-width: 42rem; margin: 0 auto; padding-left: 1rem; padding-right: 1rem; }
.page-title { margin: 0 0 1.25rem; font-size: 2em; line-height: 1.15; }
.email-line { margin: 1.25rem 0; }

/* ---------- 404 ---------- */
.notfound { padding: 4rem 0; text-align: center; }
.nf-code { font-size: 4rem; font-weight: bold; margin: 0; }
.nf-title { font-size: 1.5rem; margin: .2rem 0 .8rem; }
.nf-text { margin: 0 auto 1.5rem; max-width: 30rem; }
.nf-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid #000; margin-top: 2rem; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: .5rem 1rem; flex-wrap: wrap;
  padding-top: 1.25rem; padding-bottom: 1.25rem;
}
.foot-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.copy { margin: 0; }

/* ---------- artikel terkait + navigasi ---------- */
.more-posts { margin: 2.5rem 0 0; padding-top: 1.5rem; border-top: 1px solid #808080; }
.more-posts-title { font-weight: bold; margin: 0 0 .75rem; }
.more-posts-list { list-style: none; margin: 0; padding: 0; }
.more-posts-item { display: block; padding: .6rem 0; border-bottom: 1px solid #808080; }
.more-posts-item:last-child { border-bottom: 0; }
.more-posts-link { display: block; line-height: 1.4; }
.more-posts-date { display: block; margin-top: 2px; font-size: .85em; }
.more-posts-all { margin: .75rem 0 0; font-size: .9em; }
.post-nav {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  margin: 2rem 0 0; padding-top: 1.25rem; border-top: 1px solid #808080;
}
.post-nav-link { max-width: 48%; line-height: 1.4; }
.post-nav-next { margin-left: auto; text-align: right; }

/* ---------- kotak penulis ---------- */
.author-box {
  display: flex; gap: 1rem; align-items: flex-start;
  margin: 2rem 0 0; padding-top: 1.25rem; border-top: 1px solid #808080;
}
.author-box-mark { display: none; }
.author-box-avatar { flex: none; width: 96px; height: 96px; object-fit: cover; }
.author-box-name { margin: 0 0 .3rem; font-weight: bold; }
.author-box-bio { margin: 0; line-height: 1.6; }
.author-box-more { margin: .5rem 0 0; }

/* ---------- pagination beranda ---------- */
.pagination {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  gap: 1rem; padding-top: 1.5rem; font-weight: bold; white-space: nowrap;
}
.pagination > :first-child { justify-self: start; text-align: left; }
.pagination > :nth-child(2) { justify-self: center; }
.pagination > :last-child { justify-self: end; text-align: right; }
.page-status { font-weight: normal; }
.page-off { color: #808080; }

/* ---------- daftar isi ---------- */
.toc { border: 1px solid #808080; padding: .75rem 1rem; margin: 1.5rem 0; }
.toc-title { font-weight: bold; margin: 0 0 .5rem; }
.toc ul { margin: .25rem 0 .25rem 1.1rem; padding: 0; }
.toc li { margin: .3rem 0; }

/* ---------- menu dropdown di nav ---------- */
.topics-menu { position: relative; }
.topics-menu summary { display: flex; align-items: center; gap: .25rem; cursor: pointer; list-style: none; }
.topics-menu summary::marker { content: ""; }
.topics-menu summary::-webkit-details-marker { display: none; }
.topics-menu summary .caret { font-size: .8em; }
.topics-menu[open] summary .caret { transform: rotate(180deg); }
.topics-panel {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 60;
  min-width: 250px; max-width: calc(100vw - 2rem);
  background: #fff; border: 1px solid #808080; padding: .4rem 0;
}
.topics-panel a { display: flex; justify-content: space-between; gap: 1.5rem; padding: .4rem .75rem; }
.topics-panel .count { font-size: .85em; }
.topics-panel hr { margin: .4rem 0; }
@media (max-width: 768px) {
  .topics-menu { position: static; }
  .topics-panel { top: calc(100% + 8px); left: 1rem; right: 1rem; min-width: 0; width: auto; }
}

/* ---------- pencarian ---------- */
.search-panel { padding: .75rem; }
.search-form { display: flex; gap: .5rem; }
.search-form input { flex: 1; min-width: 0; padding: .4rem .5rem; border: 1px solid #808080; }
.search-form button { padding: .4rem .75rem; border: 1px solid #808080; background: #fff; cursor: pointer; }
.search-hero-form { margin-top: 1rem; max-width: 34rem; }
.search-meta { font-size: .9em; margin: 0 0 1.25rem; }

/* ---------- breadcrumb ---------- */
.crumbs { font-size: .85em; margin: 0 0 1rem; }

/* ---------- nav ---------- */
.nav { align-items: center; }
.topics-menu summary svg { display: block; }

/* ---------- responsif ---------- */
@media (max-width: 640px) {
  .header-inner { padding-top: .5rem; padding-bottom: .5rem; }
  .post-title { font-size: 1.25em; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .author-box-avatar { width: 72px; height: 72px; }
}
@media (max-width: 480px) {
  .post-nav-link { max-width: 100%; }
  .more-posts-item { padding: .5rem 0; }
}