:root {
  --bg: #0e1220; --bg2: #151b2e; --card: #1a2238; --line: #2b3554;
  --text: #e7e9f0; --muted: #a3abc2; --gold: #d9b45a; --gold2: #f0d68f;
  --accent: #6aa6e8; --ok: #6fcf8e; --warn: #e8b85a; --bar: #2b3554;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f5ef; --bg2: #efebe0; --card: #ffffff; --line: #ddd6c5;
    --text: #1d2233; --muted: #5b6275; --gold: #9a7420; --gold2: #7c5c12;
    --accent: #2f6db5; --ok: #2f8a4f; --warn: #a8761a; --bar: #e4ddcc;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
button.btn { font: inherit; font-weight: 700; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.65 "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
header.hero {
  background: radial-gradient(1200px 400px at 50% -80px, rgba(217,180,90,.18), transparent 70%), var(--bg2);
  border-bottom: 1px solid var(--line); padding: 56px 0 40px; text-align: center;
}
.cafe-row { margin: 22px 0 0; }
.cafe-btn {
  font: inherit; font-size: 13px; font-weight: 700; cursor: pointer;
  padding: 6px 14px; border-radius: 99px; border: 0; color: #1a1406;
  background: linear-gradient(135deg, #f0d68f, #d9b45a 55%, #c4922f);
  box-shadow: 0 4px 14px rgba(0, 0, 0, .35); transition: transform .15s;
}
.cafe-btn:hover { transform: translateY(-1px) scale(1.04); }
.cafe-btn .cup { display: inline-block; font-size: 15px; animation: cafe-tilt 2.6s ease-in-out infinite; }
@keyframes cafe-tilt { 0%, 80%, 100% { transform: rotate(0); } 86% { transform: rotate(-14deg); } 93% { transform: rotate(10deg); } }
@media (prefers-reduced-motion: reduce) { .cafe-btn .cup { animation: none; } }
.hero .kicker { color: var(--muted); letter-spacing: .14em; text-transform: uppercase; font-size: 13px; margin: 0; }
.hero h1 {
  font-family: "Newsreader", Georgia, serif; font-weight: 700; color: var(--gold2);
  font-size: clamp(32px, 6vw, 54px); line-height: 1.1; margin: 10px 0 6px;
}
.hero .sub { font-size: 18px; margin: 0; }
.hero .by { color: var(--gold); font-weight: 700; }
.hero .meta { color: var(--muted); font-size: 14px; margin: 14px 0 26px; }
.btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 11px 22px; border-radius: 8px; font-weight: 700; text-decoration: none;
  border: 1px solid var(--gold); color: var(--gold2);
}
.btn.primary { background: var(--gold); color: #1a1406; }
nav.toc { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
nav.toc .wrap { display: flex; gap: 18px; overflow-x: auto; padding-top: 10px; padding-bottom: 10px; white-space: nowrap; }
nav.toc a { color: var(--muted); text-decoration: none; font-size: 14px; }
nav.toc a:hover { color: var(--gold2); }
section { padding: 44px 0 8px; }
h2 { font-family: "Newsreader", Georgia, serif; color: var(--gold2); font-size: 30px; margin: 0 0 16px; }
h3 { font-size: 18px; margin: 26px 0 8px; }
.note {
  background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--warn);
  border-radius: 8px; padding: 14px 18px; margin: 16px 0;
}
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; }
.progress { display: grid; gap: 14px; }
.prow { display: grid; grid-template-columns: 70px 1fr 64px; gap: 12px; align-items: center; }
.prow .lbl { font-weight: 700; }
.prow .pct { text-align: right; font-variant-numeric: tabular-nums; }
.prow .det { grid-column: 2 / 4; color: var(--muted); font-size: 13px; margin-top: -8px; }
.bar { height: 12px; background: var(--bar); border-radius: 6px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--gold), var(--gold2)); }
.miles { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; }
.miles li { display: grid; grid-template-columns: 58px 1fr auto; gap: 12px; align-items: baseline;
  background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; }
.miles .id { font-weight: 700; color: var(--gold2); }
.miles .desc { color: var(--muted); font-size: 14px; }
.tag { font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 99px; border: 1px solid var(--line); color: var(--muted); }
.tag.done { color: var(--ok); border-color: var(--ok); }
.tag.doing { color: var(--warn); border-color: var(--warn); }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.gallery figure { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.gallery img { display: block; width: 100%; height: 190px; object-fit: contain; background: #0b0e18; image-rendering: auto; }
.gallery figcaption { padding: 8px 12px; font-size: 14px; color: var(--muted); }
ol.steps { padding-left: 22px; }
ol.steps > li { margin-bottom: 10px; }
details { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 10px 16px; margin: 10px 0; }
details summary { cursor: pointer; font-weight: 700; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 14px; }
pre { background: var(--bg2); border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; overflow-x: auto; }
table.hash { width: 100%; border-collapse: collapse; font-size: 14px; }
table.hash td { padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.hash td:first-child { color: var(--muted); width: 110px; }
table.hash code { word-break: break-all; }
.changelog h3 { color: var(--gold2); font-family: "Newsreader", Georgia, serif; font-size: 22px; }
.changelog h4 { margin: 14px 0 4px; }
.credits dt { font-weight: 700; margin-top: 10px; }
.credits dd { margin: 2px 0 0; color: var(--muted); }
dialog.cafe {
  width: min(560px, calc(100vw - 32px)); max-height: calc(100vh - 32px); overflow-y: auto;
  background: var(--card); color: var(--text); border: 1px solid var(--line); border-radius: 12px; padding: 22px 24px;
}
dialog.cafe::backdrop { background: rgba(5, 8, 16, .65); }
dialog.cafe h2 { margin-bottom: 8px; }
dialog.cafe .close {
  position: absolute; top: 10px; right: 12px; font-size: 26px; line-height: 1; cursor: pointer;
  background: none; border: 0; color: var(--muted); padding: 4px 8px;
}
dialog.cafe .close:hover { color: var(--gold2); }
.donate { justify-content: center; display: flex; flex-wrap: wrap; gap: 20px 28px; align-items: center; }
.donate .qr { width: 240px; max-width: 100%; height: auto; border-radius: 10px; background: #fff; padding: 6px; }
.donate dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0; }
.donate dt { color: var(--muted); }
.donate dd { margin: 0; font-weight: 500; }
.donate code { font-size: 16px; font-weight: 700; color: var(--gold2); }
.copy { margin-left: 6px; font: inherit; font-size: 12px; padding: 2px 10px; border-radius: 99px; cursor: pointer;
  background: transparent; color: var(--gold2); border: 1px solid var(--gold); }
footer { border-top: 1px solid var(--line); margin-top: 48px; padding: 24px 0 40px; color: var(--muted); font-size: 13px; }
@media (max-width: 560px) {
  .miles li { grid-template-columns: 48px 1fr; }
  .miles .tag { grid-column: 2; justify-self: start; }
  .prow { grid-template-columns: 54px 1fr 52px; }
}