/* ============================================================
   Panduan TMS — Stylesheet
   Desain bersih, profesional, responsif. Light theme.
   ============================================================ */
:root {
  --brand: #4f46e5;
  --brand-dark: #4338ca;
  --brand-50: #eef2ff;
  --brand-100: #e0e7ff;
  --ink: #111827;
  --ink-soft: #374151;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #f7f8fb;
  --card: #ffffff;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.10);
  --shadow-lg: 0 10px 30px rgba(16,24,40,.12);
  --sidebar-w: 290px;
  --topbar-h: 60px;
  --ok: #047857;   --ok-bg: #ecfdf5;
  --warn: #b45309; --warn-bg: #fffbeb;
  --info: #1d4ed8; --info-bg: #eff6ff;
  --danger:#b91c1c;--danger-bg:#fef2f2;
  --gray:#374151;  --gray-bg:#f3f4f6;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar-h) + 16px); }
body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 15px;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Layout ---------- */
.layout { display: flex; min-height: 100vh; }

/* ---------- Sidebar ---------- */
.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--card);
  border-right: 1px solid var(--line);
  position: fixed;
  inset: 0 auto 0 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 40;
  transition: transform .25s ease;
}
.sidebar__brand {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: var(--card); z-index: 2;
}
.sidebar__logo {
  width: 36px; height: 36px; border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), #7c3aed);
  color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 17px;
  flex: 0 0 auto;
}
.sidebar__title { font-weight: 700; font-size: 15px; line-height: 1.2; }
.sidebar__title small { display:block; font-weight: 500; color: var(--muted); font-size: 11.5px; }
.sidebar__nav { padding: 12px 12px 40px; }
.nav__group { margin-top: 16px; }
.nav__group-label {
  font-size: 11px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); font-weight: 700; padding: 6px 10px;
}
.nav__link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 11px; border-radius: 9px;
  color: var(--ink-soft); font-weight: 500; font-size: 14px;
}
.nav__link:hover { background: var(--brand-50); text-decoration: none; color: var(--brand-dark); }
.nav__link.is-active { background: var(--brand); color: #fff; }
.nav__link .ico { font-size: 16px; width: 20px; text-align: center; flex: 0 0 auto; }
.nav__sub { list-style: none; margin: 4px 0 4px; padding: 0 0 0 6px; }
.nav__sub a {
  display: block; padding: 6px 10px 6px 30px; font-size: 13px;
  color: var(--muted); border-left: 2px solid var(--line); border-radius: 0 6px 6px 0;
}
.nav__sub a:hover { color: var(--brand-dark); background: var(--brand-50); text-decoration: none; }
.nav__sub a.is-current { color: var(--brand-dark); border-left-color: var(--brand); font-weight: 600; background: var(--brand-50); }

/* ---------- Main ---------- */
.main {
  margin-left: var(--sidebar-w);
  flex: 1 1 auto; min-width: 0;
  display: flex; flex-direction: column;
}
.topbar {
  height: var(--topbar-h);
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.85); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 14px;
  padding: 0 22px;
}
.topbar__menu { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; width: 38px; height: 38px; font-size: 18px; cursor: pointer; }
.search { position: relative; flex: 1 1 460px; max-width: 520px; }
.search input {
  width: 100%; height: 40px; padding: 0 14px 0 38px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff; font-size: 14px;
}
.search input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-100); }
.search::before { content: "🔍"; position: absolute; left: 12px; top: 50%; transform: translateY(-50%); font-size: 14px; opacity: .6; }
.search__results {
  position: absolute; top: 46px; left: 0; right: 0;
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  box-shadow: var(--shadow-lg); max-height: 60vh; overflow-y: auto; display: none; padding: 6px;
}
.search__results.open { display: block; }
.search__results a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--ink-soft); }
.search__results a:hover, .search__results a.active { background: var(--brand-50); text-decoration: none; }
.search__results .r-title { font-weight: 600; font-size: 14px; }
.search__results .r-page { font-size: 12px; color: var(--muted); }
.search__results .empty { padding: 14px; color: var(--muted); font-size: 13.5px; text-align: center; }
.topbar__spacer { flex: 1; }
.topbar__link { font-size: 13.5px; color: var(--muted); }

/* ---------- Content ---------- */
.content { padding: 30px 40px 80px; max-width: 980px; width: 100%; margin: 0 auto; }
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.breadcrumb a { color: var(--muted); }
.page-title { font-size: 30px; font-weight: 800; letter-spacing: -.02em; margin: 0 0 6px; }
.page-lead { font-size: 16px; color: var(--ink-soft); margin: 0 0 8px; }
.page-intro { margin-bottom: 26px; }

h2 { font-size: 22px; font-weight: 750; margin: 38px 0 10px; letter-spacing: -.01em; scroll-margin-top: 80px; }
h3 { font-size: 17px; font-weight: 700; margin: 22px 0 8px; }
h2 + p, h3 + p { margin-top: 0; }
p { margin: 0 0 12px; }
ul, ol { margin: 0 0 14px; padding-left: 22px; }
li { margin: 5px 0; }
hr { border: none; border-top: 1px solid var(--line); margin: 34px 0; }
code { background: var(--gray-bg); padding: 2px 6px; border-radius: 5px; font-size: 13px; font-family: ui-monospace, "SF Mono", Menlo, monospace; color: #be185d; }

/* ---------- Feature card / section ---------- */
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px 24px; margin: 18px 0; scroll-margin-top: 80px; }
.feature > h2 { margin-top: 4px; }
.feature__path {
  display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--brand-dark); background: var(--brand-50);
  border: 1px solid var(--brand-100); padding: 4px 10px; border-radius: 20px; margin: 2px 0 12px;
}
.feature__path b { font-weight: 600; }
.purpose { color: var(--ink-soft); }

/* ---------- Steps ---------- */
ol.steps { counter-reset: step; list-style: none; padding-left: 0; margin: 12px 0 6px; }
ol.steps > li {
  position: relative; padding: 4px 0 12px 42px; margin: 0;
  border-left: 2px solid var(--line); margin-left: 14px;
}
ol.steps > li:last-child { border-left-color: transparent; }
ol.steps > li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: -15px; top: 0;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--brand); color: #fff; font-size: 13px; font-weight: 700;
  display: grid; place-items: center; box-shadow: 0 0 0 4px #fff;
}

/* ---------- Callouts ---------- */
.callout { border-radius: 10px; padding: 13px 16px 13px 44px; margin: 14px 0; position: relative; font-size: 14px; border: 1px solid; }
.callout::before { position: absolute; left: 14px; top: 12px; font-size: 16px; }
.callout p:last-child { margin-bottom: 0; }
.callout--tip { background: var(--ok-bg); border-color: #a7f3d0; color: #065f46; }
.callout--tip::before { content: "💡"; }
.callout--warn { background: var(--warn-bg); border-color: #fde68a; color: #92400e; }
.callout--warn::before { content: "⚠️"; }
.callout--info { background: var(--info-bg); border-color: #bfdbfe; color: #1e40af; }
.callout--info::before { content: "ℹ️"; }
.callout b { font-weight: 700; }

/* ---------- Badges ---------- */
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; font-weight: 600; border: 1px solid transparent; white-space: nowrap; }
.b-gray { background: var(--gray-bg); color: var(--gray); }
.b-info { background: var(--info-bg); color: var(--info); border-color:#bfdbfe; }
.b-warn { background: var(--warn-bg); color: var(--warn); border-color:#fde68a; }
.b-ok   { background: var(--ok-bg);   color: var(--ok);   border-color:#a7f3d0; }
.b-danger{background: var(--danger-bg);color: var(--danger);border-color:#fecaca; }
.b-purple{background:#f5f3ff; color:#6d28d9; border-color:#ddd6fe; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; margin: 14px 0; border: 1px solid var(--line); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 9px 13px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #fafbfc; font-weight: 700; color: var(--ink-soft); font-size: 12.5px; }
tr:last-child td { border-bottom: none; }
td code { font-size: 12px; }

/* ---------- Cards grid (home) ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; margin: 20px 0; }
.card {
  display: block; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 18px 16px; box-shadow: var(--shadow); transition: transform .12s, box-shadow .12s; color: inherit;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); text-decoration: none; }
.card__ico { font-size: 24px; }
.card__title { font-weight: 700; font-size: 16px; margin: 8px 0 4px; color: var(--ink); }
.card__desc { font-size: 13.5px; color: var(--muted); }

/* ---------- Pager ---------- */
.pager { display: flex; justify-content: space-between; gap: 14px; margin-top: 46px; padding-top: 22px; border-top: 1px solid var(--line); }
.pager a { display: block; flex: 1; padding: 14px 18px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.pager a:hover { border-color: var(--brand); text-decoration: none; box-shadow: var(--shadow); }
.pager .dir { font-size: 12px; color: var(--muted); }
.pager .ttl { font-weight: 600; color: var(--ink); }
.pager .next { text-align: right; }

/* ---------- Misc ---------- */
.toc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; margin: 18px 0 26px; }
.toc h4 { margin: 0 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.toc ul { columns: 2; column-gap: 28px; margin: 0; padding-left: 18px; }
.toc li { margin: 3px 0; font-size: 14px; }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 4px; }
.tag { font-size: 12px; background: var(--brand-50); color: var(--brand-dark); padding: 3px 10px; border-radius: 20px; border: 1px solid var(--brand-100); }
.to-top { position: fixed; right: 22px; bottom: 22px; width: 44px; height: 44px; border-radius: 50%; background: var(--brand); color: #fff; border: none; font-size: 18px; cursor: pointer; box-shadow: var(--shadow-lg); display: none; z-index: 50; }
.to-top.show { display: block; }
.backdrop { display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .main { margin-left: 0; }
  .topbar__menu { display: block; }
  .content { padding: 24px 20px 70px; }
  .backdrop.show { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 35; }
  .toc ul { columns: 1; }
  .page-title { font-size: 25px; }
}