:root {
  --bg: #f3f7f6;
  --surface: #ffffff;
  --text: #11292a;
  --muted: #5b7172;
  --line: #dbe6e4;
  --primary: #0f766e;
  --primary-ink: #ffffff;
  --primary-soft: #e0f2ef;
  --ok: #15803d;
  --ok-soft: #e7f6ec;
  --bad: #b91c1c;
  --bad-soft: #fdecec;
  --warn: #b45309;
  --warn-soft: #fef3e2;
  --info-soft: #e8f1fb;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(17, 41, 42, .05), 0 8px 24px rgba(17, 41, 42, .06);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1718;
    --surface: #122324;
    --text: #e6f1f0;
    --muted: #93aaab;
    --line: #223a3b;
    --primary: #2dd4bf;
    --primary-ink: #04201d;
    --primary-soft: #11332f;
    --ok: #4ade80;
    --ok-soft: #12301f;
    --bad: #f87171;
    --bad-soft: #3a1717;
    --warn: #fbbf24;
    --warn-soft: #36280d;
    --info-soft: #11263a;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(900px 340px at 50% -120px, var(--primary-soft), transparent 70%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
h1, h2 { line-height: 1.25; margin: 0; }
p { margin: 0; }
a { color: var(--primary); }

.skip {
  position: absolute; left: -999px; top: 8px;
  background: var(--primary); color: var(--primary-ink);
  padding: 8px 14px; border-radius: 8px; z-index: 10;
}
.skip:focus { left: 8px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  max-width: 760px; width: 100%; margin: 0 auto; padding: 18px 20px 6px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: var(--primary); color: var(--primary-ink);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 1.02rem; letter-spacing: .01em; }
.brand-text small { color: var(--muted); font-size: .78rem; }

.wrap { flex: 1; width: 100%; max-width: 760px; margin: 0 auto; padding: 14px 20px 28px; }

.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 22px; margin-bottom: 16px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.card-head h2 { font-size: 1.05rem; }

/* Hero */
.hero { text-align: center; padding: 34px 22px 26px; }
.hero-icon {
  width: 72px; height: 72px; margin: 0 auto 14px; border-radius: 20px;
  display: grid; place-items: center; background: var(--primary-soft); color: var(--primary);
}
.hero h1 { font-size: clamp(1.45rem, 4.5vw, 1.9rem); }
.lead { color: var(--muted); margin: 10px auto 22px; max-width: 46ch; }

.search { text-align: left; max-width: 520px; margin: 0 auto; }
.search label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
.search-row { display: flex; gap: 10px; }
.search input {
  flex: 1; min-width: 0; font: inherit; font-family: var(--mono);
  padding: 13px 14px; border-radius: 12px;
  border: 1.5px solid var(--line); background: var(--bg); color: var(--text);
}
.search input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-soft); }
.field-error { color: var(--bad); font-size: .88rem; margin-top: 8px; }
.small { font-size: .84rem; }
.muted { color: var(--muted); }
.search .muted { margin-top: 8px; }

/* Buttons */
.btn {
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 20px; border-radius: 12px; border: 1.5px solid transparent;
  transition: transform .06s ease, filter .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 3px solid var(--primary-soft); outline-offset: 2px; }
.btn-primary { background: var(--primary); color: var(--primary-ink); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; color: var(--primary); border-color: var(--line); }
.btn-ghost:hover { background: var(--primary-soft); }

/* Steps */
.steps { display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); }
.step { margin: 0; padding: 18px; }
.step h2 { font-size: 1rem; margin: 10px 0 4px; }
.step p { color: var(--muted); font-size: .9rem; }
.step-n {
  display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  background: var(--primary-soft); color: var(--primary); font-weight: 700;
}

/* Banner hasil */
.banner { display: flex; gap: 16px; align-items: center; border-width: 1.5px; }
.banner h1 { font-size: clamp(1.3rem, 4vw, 1.6rem); }
.banner p { margin-top: 2px; }
.banner-icon { flex: none; width: 62px; height: 62px; border-radius: 50%; display: grid; place-items: center; }
.banner-ok { background: var(--ok-soft); border-color: var(--ok); }
.banner-ok .banner-icon { background: var(--ok); color: #fff; }
.banner-ok h1 { color: var(--ok); }
.banner-bad { background: var(--bad-soft); border-color: var(--bad); }
.banner-bad .banner-icon { background: var(--bad); color: #fff; }
.banner-bad h1 { color: var(--bad); }
.banner-warn { background: var(--warn-soft); border-color: var(--warn); }
.banner-warn .banner-icon { background: var(--warn); color: #fff; }
.banner-warn h1 { color: var(--warn); }

.chip {
  display: inline-block; font-size: .76rem; font-weight: 700; letter-spacing: .03em;
  padding: 4px 11px; border-radius: 999px; text-transform: uppercase;
}
.chip-ok { background: var(--ok-soft); color: var(--ok); }
.chip-demo { background: var(--warn-soft); color: var(--warn); }

/* Daftar data */
.kv { margin: 0; }
.kv > div {
  display: grid; grid-template-columns: 190px 1fr; gap: 6px 16px;
  padding: 11px 0; border-top: 1px solid var(--line);
}
.kv > div:first-child { border-top: 0; }
.kv dt { color: var(--muted); font-size: .9rem; }
.kv dd { margin: 0; word-break: break-word; }
.mono { font-family: var(--mono); font-size: .95em; }

.notice { border-radius: 12px; padding: 14px 16px; font-size: .92rem; margin: 6px 0 16px; }
.notice-info { background: var(--info-soft); }
.notice-bad { background: var(--bad-soft); margin-top: 14px; }

.meta { text-align: center; color: var(--muted); font-size: .85rem; margin-bottom: 14px; }
.center { text-align: center; }
.actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

.foot {
  max-width: 760px; width: 100%; margin: 0 auto; padding: 8px 20px 28px;
  text-align: center; color: var(--muted); font-size: .82rem;
}
.foot p + p { margin-top: 4px; }

@media (max-width: 640px) {
  .steps { grid-template-columns: 1fr; }
  .kv > div { grid-template-columns: 1fr; gap: 2px; }
  .search-row { flex-direction: column; }
  .banner { align-items: flex-start; }
  .banner-icon { width: 52px; height: 52px; }
  .card { padding: 18px; }
}

@media print {
  body { background: #fff; color: #000; }
  .topbar .chip, .no-print, .skip, .foot p.muted { display: none !important; }
  .card { box-shadow: none; break-inside: avoid; }
  :root { --bg: #fff; --surface: #fff; --text: #000; --muted: #444; --line: #bbb; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}