:root {
  --bg: #13111c; --panel: #1c1928; --panel-2: #252136; --line: #3a3452; --shadow: #0a0910;
  --text: #ebe7f5; --dim: #9a93b3; --gold: #ffcf4a; --pink: #ff5d8f; --teal: #5de0d0; --red: #ff6b6b;
  --pixel: "Silkscreen", ui-monospace, monospace;
  --mono: ui-monospace, Consolas, "Cascadia Mono", monospace;
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0; min-height: 100vh; color: var(--text); font: 17px/1.6 system-ui, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 50% 0, #2a2340 0, transparent 60%),
    radial-gradient(circle, #29243a 1px, transparent 1.5px) 0 0 / 16px 16px, var(--bg);
}
main { max-width: 980px; margin: 0 auto; padding: 0 16px 64px; }
img.px { image-rendering: pixelated; }
h1, h2, h3, .tag, .btn { font-family: var(--pixel); font-weight: 700; letter-spacing: .02em; overflow-wrap: anywhere; }
h2 { font-size: 26px; color: var(--gold); margin: 64px 0 8px; }
h3 { font-size: 17px; margin: 0 0 6px; }
p, li { color: var(--text); }
p { margin: 0 0 12px; }
.dim { color: var(--dim); }
a { color: var(--gold); }
code { font-family: var(--mono); font-size: .92em; background: var(--panel-2); padding: 1px 5px; overflow-wrap: anywhere; }
b.ui { font-weight: 600; color: var(--gold); }

.btn {
  display: inline-block; font-size: 15px; text-decoration: none; cursor: pointer; color: var(--text);
  background: var(--panel-2); border: 2px solid var(--line); padding: 10px 16px;
  box-shadow: 0 4px 0 var(--shadow); transition: transform 60ms, box-shadow 60ms;
}
.btn:hover { border-color: var(--dim); }
.btn:active { transform: translateY(4px); box-shadow: 0 0 0 var(--shadow); }
.btn.go { background: var(--gold); border-color: var(--gold); color: #1a1406; }
.btn.pink { background: var(--pink); border-color: var(--pink); color: #fff; }
.btn.small { font-size: 12px; padding: 5px 10px; box-shadow: 0 3px 0 var(--shadow); font-weight: 400; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

.hero { display: grid; grid-template-columns: auto 1fr; gap: 32px; align-items: center; padding: 56px 0 8px; }
.hero img { width: 256px; height: 256px; }
.hero h1 { font-size: clamp(30px, 8.5vw, 72px); line-height: 1; margin: 0 0 14px; color: var(--gold);
  text-shadow: 0 4px 0 var(--shadow); }
.hero .lead { font-size: 20px; max-width: 34em; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag { font-size: 13px; font-weight: 400; padding: 4px 10px; border: 2px solid var(--line); background: var(--panel); color: var(--dim); }

.panel { background: var(--panel); border: 2px solid var(--line); box-shadow: 4px 4px 0 var(--shadow); padding: 18px; }
.flow { display: grid; grid-template-columns: auto auto 1fr; gap: 24px; align-items: center; margin-top: 18px; }
pre.rows { margin: 0; font: 15px/1.15 var(--mono); letter-spacing: .12em; }
pre.rows .t { color: #4a4462; }
.arrow { font-family: var(--pixel); color: var(--gold); font-size: 40px; }
.checker { background: repeating-conic-gradient(#3a3748 0 25%, #2e2b3a 0 50%) 0 0 / 24px 24px; display: grid; place-items: center; padding: 16px; }
.checker img { width: 272px; max-width: 100%; height: auto; }

.cmds { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; margin-top: 18px; }
pre.cmd { margin: 0; font: 15px/1.7 var(--mono); color: var(--text); white-space: pre-wrap; }
pre.cmd b { color: var(--gold); font-weight: 400; }
.cmds img { width: 256px; height: 256px; }

.check { max-width: 760px; }
.check img { width: 100%; height: auto; display: block; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; margin-top: 18px; }
.card { text-align: center; padding: 16px 10px 12px; }
.card img { width: 96px; height: 96px; }
.card div { font-family: var(--pixel); font-size: 14px; color: var(--dim); margin-top: 8px; }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
.two .panel { display: flex; flex-direction: column; }
.two .panel p { flex: 1; }
.two h3 { color: var(--gold); }

footer { margin-top: 72px; padding-top: 18px; border-top: 2px solid var(--line); color: var(--dim); font-size: 15px; }

/* ---------- the setup guide ---------- */
.top { display: flex; align-items: center; gap: 12px; padding: 18px 0 0; font-family: var(--pixel); }
.top a { text-decoration: none; display: flex; align-items: center; gap: 10px; font-size: 18px; }
.top img { width: 32px; height: 32px; }
.guide h1 { font-size: clamp(26px, 6vw, 44px); color: var(--gold); margin: 36px 0 10px; text-shadow: 0 3px 0 var(--shadow); line-height: 1.1; }
.guide .lead { font-size: 19px; max-width: 40em; }
.need { margin: 8px 0 0; padding-left: 22px; }
.need li { margin: 4px 0; }
.step { display: grid; grid-template-columns: 52px 1fr; gap: 18px; margin-top: 44px; }
.num { font-family: var(--pixel); font-weight: 700; font-size: 24px; width: 52px; height: 52px; display: grid; place-items: center;
  background: var(--gold); color: #1a1406; box-shadow: 4px 4px 0 var(--shadow); }
.step h2 { margin: 6px 0 10px; font-size: 22px; }
.step ol { margin: 8px 0 12px; padding-left: 22px; }
.step ol li { margin: 6px 0; }
.box { margin: 14px 0; }
.out { display: grid; gap: 4px; margin: 12px 0; }
.out label { font-family: var(--pixel); font-size: 12px; color: var(--dim); }
.line { display: flex; gap: 8px; align-items: stretch; }
.line output, .line input {
  flex: 1; min-width: 0; font: 14px/1.4 var(--mono); color: var(--text); background: var(--bg);
  border: 2px solid var(--line); padding: 8px 10px; overflow-wrap: anywhere; outline: none;
}
.line input:focus { border-color: var(--gold); }
.line output.secret { color: var(--teal); }
.note { font-size: 15px; color: var(--dim); border-left: 3px solid var(--teal); padding: 2px 0 2px 12px; margin: 12px 0; }
.warn { font-size: 15px; color: var(--gold); border-left: 3px solid var(--gold); padding: 2px 0 2px 12px; margin: 10px 0; }
.warn:empty { display: none; }
.helper { margin-top: 36px; border-color: var(--gold); }
.helper h2 { margin: 0 0 8px; font-size: 22px; }
.helper pre.cmd { font-size: 14px; background: var(--bg); border: 2px solid var(--line); padding: 12px 14px; margin: 12px 0; overflow-wrap: anywhere; }
.helper p:last-child { margin-bottom: 0; }
.prompts { display: grid; gap: 10px; margin: 12px 0; }
.prompts .panel { padding: 12px 14px; font-size: 16px; }
details { margin: 10px 0; background: var(--panel); border: 2px solid var(--line); padding: 10px 14px; }
details summary { cursor: pointer; font-weight: 600; }
details[open] summary { margin-bottom: 8px; color: var(--gold); }
details p:last-child { margin-bottom: 0; }
.res { display: grid; gap: 8px; padding-left: 0; list-style: none; }
.res li { background: var(--panel); border: 2px solid var(--line); padding: 10px 14px; }

@media (max-width: 720px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 32px; }
  .hero img { width: 192px; height: 192px; margin: 0 auto; }
  .hero .lead { margin: 0 auto; }
  .tags, .ctas { justify-content: center; }
  .flow { grid-template-columns: 1fr; justify-items: center; }
  .arrow { transform: rotate(90deg); }
  pre.rows { font-size: 13px; }
  .cmds { grid-template-columns: 1fr; justify-items: center; }
  .cmds img { width: 192px; height: 192px; }
  .two { grid-template-columns: 1fr; }
  h2 { font-size: 21px; margin-top: 48px; }
  .panel { padding: 14px; }
  .step { grid-template-columns: 1fr; gap: 8px; }
  .num { width: 40px; height: 40px; font-size: 18px; }
  .line { flex-wrap: wrap; }
  .line output, .line input { flex: 1 1 100%; }
  .line .btn { flex: 1; }
}