/* Tema Manual Pengguna MYRAH — dipakai situs dan (sebagai dasar) PDF. */
:root {
  --biru: #1d4ed8;
  --biru-muda: #eff6ff;
  --teks: #1f2430;
  --teks-lembut: #5b6472;
  --garis: #e3e6ec;
  --latar: #ffffff;
  --latar-lembut: #f7f8fa;
  --lebar-isi: 780px;
  --lebar-toc: 240px;
  --jarak-toc: 36px;
  --sidebar: 300px;
  --radius: 10px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--teks);
  background: var(--latar);
}

/* ------------------------------------------------------------- sidebar -- */
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar);
  padding: 22px 18px 28px;
  border-right: 1px solid var(--garis);
  background: var(--latar-lembut);
  overflow-y: auto;
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--teks); margin-bottom: 18px; }
.brand img { width: 34px; height: 34px; object-fit: contain; flex: 0 0 auto; }
.brand-text { min-width: 0; }
.brand strong { display: block; font-size: 20px; letter-spacing: .04em; color: var(--biru); }
.brand span { display: block; font-size: 12px; color: var(--teks-lembut); }
.cari {
  width: 100%; padding: 8px 10px; margin-bottom: 14px;
  border: 1px solid var(--garis); border-radius: var(--radius);
  font: inherit; font-size: 13px; background: #fff;
}
.cari:focus { outline: 2px solid var(--biru-muda); border-color: var(--biru); }
.hasil a { display: block; padding: 7px 8px; font-size: 13px; color: var(--teks); text-decoration: none; border-radius: 6px; }
.hasil a:hover { background: var(--biru-muda); }
.hasil .kosong { font-size: 13px; color: var(--teks-lembut); padding: 6px 8px; }
.nav-item {
  display: flex; gap: 8px; align-items: baseline;
  padding: 6px 8px; margin-bottom: 1px;
  font-size: 13.5px; color: var(--teks); text-decoration: none; border-radius: 6px;
}
.nav-item:hover { background: var(--biru-muda); }
.nav-item.aktif { background: var(--biru); color: #fff; font-weight: 600; }
.nav-item.aktif .nav-num { color: rgba(255,255,255,.75); }
.nav-item.kosong { color: #a8aeb9; cursor: default; }
.nav-num { min-width: 20px; font-size: 11px; color: var(--teks-lembut); font-variant-numeric: tabular-nums; }
.unduh {
  display: block; margin-top: 18px; padding: 9px 12px;
  text-align: center; font-size: 13px; font-weight: 600;
  color: var(--biru); background: #fff; text-decoration: none;
  border: 1px solid var(--biru); border-radius: var(--radius);
}
.unduh:hover { background: var(--biru); color: #fff; }
.menu-toggle { display: none; }

/* ----------------------------------------------------------------- isi -- */
.isi { margin-left: var(--sidebar); padding: 48px 32px 80px; }
.halaman-bab {
  display: grid;
  grid-template-columns: minmax(0, var(--lebar-isi)) var(--lebar-toc);
  justify-content: center;
  align-items: start;
  gap: var(--jarak-toc);
}
.bab, .depan { width: 100%; max-width: var(--lebar-isi); }
.depan { margin: 0 auto; }
.eyebrow { margin: 0 0 4px; font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--biru); }
h1 { font-size: 32px; line-height: 1.25; margin: 0 0 24px; }
h2 { font-size: 22px; margin: 40px 0 12px; padding-top: 6px; }
h3 { font-size: 17px; margin: 28px 0 8px; }
h2 a, h3 a { color: inherit; text-decoration: none; }
p, ul, ol { margin: 0 0 14px; }
li { margin-bottom: 5px; }
ol > li { padding-left: 4px; }
a { color: var(--biru); }
code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: .88em; background: var(--latar-lembut);
  border: 1px solid var(--garis); border-radius: 4px; padding: 1px 5px;
}
strong { font-weight: 650; }
hr { border: 0; border-top: 1px solid var(--garis); margin: 32px 0; }

/* --------------------------------------------------------------- tabel -- */
.tabel-bungkus, .isi table { display: block; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin: 0 0 18px; font-size: 14px; }
th, td { border: 1px solid var(--garis); padding: 7px 10px; text-align: left; vertical-align: top; }
th { background: var(--latar-lembut); font-weight: 650; }
tbody tr:nth-child(even) { background: #fcfcfd; }

/* -------------------------------------------------------------- gambar -- */
figure.shot {
  width: min(100%, var(--shot-natural-width, 100%));
  margin: 22px auto 26px;
}
figure.shot img {
  display: block; width: 100%; height: auto;
  border: 1px solid var(--garis); border-radius: var(--radius);
}
figcaption { margin-top: 7px; font-size: 13px; color: var(--teks-lembut); }
.fignum { font-weight: 650; color: var(--teks); }

/* ------------------------------------------------------------- callout -- */
.callout { margin: 18px 0; padding: 12px 16px; border-left: 3px solid var(--biru); background: var(--biru-muda); border-radius: 0 var(--radius) var(--radius) 0; }
.callout > :last-child { margin-bottom: 0; }
.callout-title { margin: 0 0 4px; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--biru); }
.callout-penting { border-color: #b45309; background: #fffbeb; }
.callout-penting .callout-title { color: #b45309; }
.callout-hati-hati { border-color: #b91c1c; background: #fef2f2; }
.callout-hati-hati .callout-title { color: #b91c1c; }

/* --------------------------------------------------- toc & navigasi bab -- */
.toc-halaman {
  position: sticky;
  top: 32px;
  max-height: calc(100vh - 64px);
  margin: 0;
  padding: 14px 16px;
  overflow-y: auto;
  border: 1px solid var(--garis);
  border-radius: var(--radius);
  background: var(--latar-lembut);
}
.toc-judul { margin: 0 0 6px; font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--teks-lembut); }
.toc-halaman ul { margin: 0; padding-left: 18px; font-size: 14px; }
.toc-halaman .level-3 { margin-left: 18px; }
.nav-bab { display: flex; justify-content: space-between; gap: 16px; max-width: var(--lebar-isi); margin: 56px 0 0 max(0px, calc((100% - var(--lebar-isi) - var(--lebar-toc) - var(--jarak-toc)) / 2)); padding-top: 20px; border-top: 1px solid var(--garis); font-size: 14px; }
.nav-bab a { display: block; max-width: 46%; text-decoration: none; font-weight: 600; }
.nav-bab .next { text-align: right; }
.nav-bab span { display: block; font-size: 11px; font-weight: 400; color: var(--teks-lembut); text-transform: uppercase; letter-spacing: .08em; }

/* --------------------------------------------------------- halaman depan -- */
.depan .sub { font-size: 18px; color: var(--teks-lembut); margin-top: -14px; }
.depan .meta { font-size: 13px; color: var(--teks-lembut); }
.daftar-isi { list-style: none; padding: 0; margin: 12px 0 0; }
.daftar-isi li { margin: 0; border-bottom: 1px solid var(--garis); }
.daftar-isi a, .daftar-isi li > span { display: block; padding: 9px 4px; text-decoration: none; color: var(--teks); }
.daftar-isi a:hover { background: var(--biru-muda); }
.daftar-isi li.kosong > span { color: #a8aeb9; }
.daftar-isi .num { display: inline-block; min-width: 34px; color: var(--teks-lembut); font-size: 13px; font-variant-numeric: tabular-nums; }

.kaki { max-width: var(--lebar-isi); margin: 60px 0 0 max(0px, calc((100% - var(--lebar-isi) - var(--lebar-toc) - var(--jarak-toc)) / 2)); padding-top: 16px; border-top: 1px solid var(--garis); font-size: 12px; color: var(--teks-lembut); }

@media (max-width: 1350px) {
  .halaman-bab {
    display: flex;
    max-width: var(--lebar-isi);
    margin: 0 auto;
    flex-direction: column;
  }
  .toc-halaman {
    position: static;
    order: -1;
    width: 100%;
    max-height: none;
    margin-bottom: 30px;
  }
  .nav-bab,
  .kaki { margin-left: auto; margin-right: auto; }
}

/* --------------------------------------------------------------- ponsel -- */
@media (max-width: 900px) {
  .menu-toggle {
    display: block; position: fixed; top: 12px; left: 12px; z-index: 20;
    width: 40px; height: 40px; font-size: 18px; line-height: 1;
    background: #fff; border: 1px solid var(--garis); border-radius: var(--radius); cursor: pointer;
  }
  .sidebar { transform: translateX(-100%); transition: transform .2s; z-index: 15; width: 82vw; max-width: 320px; }
  body.menu-buka .sidebar { transform: none; box-shadow: 0 0 40px rgba(0,0,0,.18); }
  .isi { margin-left: 0; padding: 64px 18px 60px; }
  h1 { font-size: 26px; }
  h2 { font-size: 20px; }
}