/* ============================================
   ARTIKEL SEO TEMONJO
   Mengikuti design token landing + docs.
   Kolom baca 720px, editorial ala Medium.
   ============================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:           #FFFFFF;
  --bg-subtle:    #FAFAFA;
  --bg-muted:     #F4F4F5;
  --bg-hover:     #F4F4F5;

  --fg:           #0A0A0A;
  --fg-default:   #18181B;
  --fg-muted:     #71717A;
  --fg-subtle:    #A1A1AA;

  --border:       #E4E4E7;
  --border-hover: #D4D4D8;

  --accent:       #00ADB5;
  --accent-hover: #00949B;
  --accent-light: #F0FAFB;
  --accent-border:#B8E8EB;

  --warn-bg:      #FFFBEB;
  --warn-border:  #FDE68A;
  --warn-fg:      #92400E;

  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;

  --topbar-h: 60px;
  --content-max: 720px;
}

[data-theme="dark"] {
  --bg:           #09090B;
  --bg-subtle:    #0E0E11;
  --bg-muted:     #18181B;
  --bg-hover:     #27272A;

  --fg:           #FAFAFA;
  --fg-default:   #E4E4E7;
  --fg-muted:     #A1A1AA;
  --fg-subtle:    #71717A;

  --border:       #27272A;
  --border-hover: #3F3F46;

  --accent:       #2CC6CE;
  --accent-hover: #4FD6DC;
  --accent-light: #0B2A2C;
  --accent-border:#155E63;

  --warn-bg:      #241A02;
  --warn-border:  #57500F;
  --warn-fg:      #FBBF24;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--fg-default);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

/* --- Topbar --- */
.art-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.art-topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  height: var(--topbar-h);
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.art-brand { display: flex; align-items: center; }
.art-brand:hover { color: var(--fg); }
.art-brand-logo { height: 28px; width: auto; display: block; }
.art-brand-text {
  font-size: 0.875rem;
  font-weight: 600;
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 9999px;
  color: var(--fg-muted);
}
.art-brand-text:hover { color: var(--fg); border-color: var(--border-hover); }
.art-topnav { display: none; gap: 4px; margin-left: 8px; }
.art-topnav a {
  font-size: 0.875rem;
  color: var(--fg-muted);
  padding: 6px 10px;
  border-radius: var(--r-sm);
}
.art-topnav a:hover { color: var(--fg); background: var(--bg-hover); }
.art-topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.art-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 16px;
  min-height: 40px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  background: var(--accent);
  color: #fff;
}
.art-btn:hover { background: var(--accent-hover); color: #fff; }
.art-btn-ghost { background: transparent; color: var(--fg-default); border-color: var(--border); font-weight: 500; }
.art-btn-ghost:hover { background: var(--bg-hover); color: var(--fg); }
.art-btn-lg { padding: 12px 24px; font-size: 1rem; min-height: 48px; }

.art-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg-muted);
  cursor: pointer;
}
.art-theme-toggle:hover { color: var(--fg); border-color: var(--border-hover); }
.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: inline; }

/* --- Layout utama --- */
.art-main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 24px 20px 64px;
}

.art-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--fg-muted);
  margin-bottom: 28px;
}
.art-breadcrumb a { color: var(--fg-muted); }
.art-breadcrumb a:hover { color: var(--accent); }
.art-breadcrumb-sep { color: var(--border-hover); }

.art-article h1 {
  font-size: 2rem;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 16px;
}
.art-lead {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--fg-muted);
  margin-bottom: 14px;
}

.art-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 0.8125rem;
  color: var(--fg-subtle);
  padding-bottom: 22px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.art-author strong { color: var(--fg-default); font-weight: 600; }
.art-author-links { margin-left: 8px; display: inline-flex; gap: 8px; }
.art-author-links a { color: var(--fg-subtle); }
.art-author-links a:hover { color: var(--accent); }

/* --- Body artikel --- */
.art-body { font-size: 1.0625rem; line-height: 1.75; }
.art-body p { margin-bottom: 18px; }
.art-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin: 2.8em 0 0.8em;
}
.art-body h3 {
  font-size: 1.1875rem;
  font-weight: 600;
  color: var(--fg);
  margin: 2em 0 0.6em;
}
.art-body ul, .art-body ol { margin: 0 0 18px; padding-left: 24px; }
.art-body li { margin-bottom: 8px; }
.art-body li > ul, .art-body li > ol { margin-top: 8px; margin-bottom: 0; }
.art-body strong { color: var(--fg); font-weight: 600; }
.art-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
}
.art-body figure { margin: 24px 0; }
.art-body figcaption {
  font-size: 0.8125rem;
  color: var(--fg-subtle);
  margin-top: 8px;
  text-align: center;
}
.art-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.875em;
  background: var(--bg-muted);
  padding: 2px 6px;
  border-radius: 4px;
}
.art-body pre {
  background: var(--bg-muted);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px 16px;
  overflow-x: auto;
  margin-bottom: 18px;
}
.art-body pre code { background: none; padding: 0; }

.art-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 18px;
  margin: 28px 0;
  color: var(--fg-muted);
  font-size: 1.0625rem;
}
.art-body blockquote p { margin-bottom: 0; }

/* Tabel: maksimal 4 kolom, stacked di mobile */
.art-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.9375rem;
}
.art-body th, .art-body td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.art-body th { font-weight: 600; color: var(--fg); background: var(--bg-subtle); }
.art-body tr:last-child td { border-bottom: none; }

/* --- Daftar isi --- */
.art-toc {
  border-left: 2px solid var(--accent-border);
  padding: 4px 0 4px 18px;
  margin: 28px 0;
}
.art-toc-title {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--fg-subtle);
  margin-bottom: 10px;
}
.art-toc ul { list-style: none; padding: 0; margin: 0; }
.art-toc li { margin-bottom: 7px; }
.art-toc a { color: var(--fg-default); font-size: 0.9375rem; }
.art-toc a:hover { color: var(--accent); }

/* --- CTA tengah --- */
.art-cta-mid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border: 1px solid var(--accent-border);
  background: var(--accent-light);
  border-radius: var(--r-md);
  padding: 16px 20px;
  margin: 32px 0;
}
.art-cta-mid p { margin: 0; font-size: 0.9375rem; color: var(--fg-default); flex: 1 1 260px; }
.art-cta-mid .art-btn { flex-shrink: 0; }

/* --- Artikel terkait --- */
.art-related {
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.art-related h2 {
  font-size: 0.9375rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--fg-subtle);
  margin-bottom: 14px;
}
.art-related ul { list-style: none; padding: 0; margin: 0; }
.art-related li {
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
}
.art-related li:last-child { border-bottom: none; }
.art-related a { color: var(--fg-default); font-size: 0.9375rem; }
.art-related a:hover { color: var(--accent); }

/* --- CTA penutup --- */
.art-cta-end {
  margin-top: 44px;
  padding: 40px 24px;
  text-align: center;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}
.art-cta-end h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 12px;
}
.art-cta-end p { color: var(--fg-muted); margin-bottom: 24px; }
.art-cta-end-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

/* --- Pager --- */
.art-pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
}
.art-pager-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  max-width: 48%;
}
.art-pager-link:hover { border-color: var(--accent-border); }
.art-pager-link.next { margin-left: auto; text-align: right; }
.art-pager-dir { font-size: 0.75rem; color: var(--fg-subtle); }
.art-pager-title { font-size: 0.875rem; color: var(--fg-default); font-weight: 500; }
.art-pager-link:hover .art-pager-title { color: var(--accent); }

/* --- Kartu 404 --- */
.art-cards { display: grid; gap: 20px; margin-top: 24px; }
.art-card {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px;
}
.art-card h3 { font-size: 1.125rem; margin-bottom: 8px; }
.art-card p { font-size: 0.9375rem; color: var(--fg-muted); margin-bottom: 10px; }
.art-card ul { padding-left: 20px; }
.art-card li { margin-bottom: 6px; font-size: 0.9375rem; }

.art-main > h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 12px;
}

/* --- Footer --- */
.art-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-subtle);
  margin-top: 40px;
}
.art-footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}
.art-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-top: 44px;
  padding-bottom: 36px;
}
.art-footer-brand p { font-size: 0.875rem; color: var(--fg-muted); margin-top: 12px; max-width: 300px; }
.art-footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--fg-subtle);
  margin-bottom: 12px;
}
.art-footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--fg-muted);
  padding: 4px 0;
}
.art-footer-col a:hover { color: var(--fg); }
.art-footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  padding-bottom: 24px;
  font-size: 0.8125rem;
  color: var(--fg-subtle);
}
.art-footer-bottom a { color: inherit; }

/* --- Tablet dan desktop --- */
@media (min-width: 768px) {
  .art-topnav { display: flex; }
  .art-cta-end-actions { flex-direction: row; justify-content: center; }
  .art-footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr 1fr; }
  .art-main { padding-top: 36px; }
}

/* --- Mobile: tabel jadi blok bertingkat, tanpa horizontal scroll --- */
@media (max-width: 640px) {
  .art-body { font-size: 1rem; }
  .art-body table, .art-body thead, .art-body tbody, .art-body tr, .art-body th, .art-body td { display: block; }
  .art-body thead { display: none; }
  .art-body tr { border: 1px solid var(--border); border-radius: var(--r-md); margin-bottom: 12px; padding: 10px 12px; }
  .art-body td { border-bottom: none; padding: 4px 0; }
  .art-body td::before {
    content: attr(data-th);
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--fg-subtle);
  }
  .art-cta-mid { flex-direction: column; align-items: stretch; }
  .art-cta-mid .art-btn { width: 100%; }
}