:root {
  --accent: #ff6a19;
  --accent-hover: #ff8442;
  --bg: #faf8f4;
  --surface: #ffffff;
  --surface-2: #f2eee6;
  --border: #d6d0c5;
  --text: #1b1a17;
  --muted: #6d665c;
  --code-bg: #1c1c1c;
  --code-text: #f2eee6;
  --todo-bg: #fff3c4;
  --todo-border: #e0b400;
  --warn-bg: #fff0e6;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141414;
    --surface: #1c1c1c;
    --surface-2: #232220;
    --border: #3a3732;
    --text: #f2eee6;
    --muted: #a39c92;
    --code-bg: #0e0e0e;
    --todo-bg: #3a3112;
    --todo-border: #c9a100;
    --warn-bg: #2e1d12;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }

header.site {
  background: var(--surface);
  border-bottom: 3px solid var(--accent);
}
header.site .inner, main, footer .inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 16px;
}
header.site .inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.brand { font-weight: 700; color: var(--text); text-decoration: none; }
.brand span { color: var(--accent); }
nav { display: flex; flex-wrap: wrap; gap: 4px 16px; }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover, nav a[aria-current="page"] { color: var(--accent); }

main { padding-top: 24px; padding-bottom: 48px; }
h1 { font-size: 1.9rem; line-height: 1.25; margin: 0.4em 0; }
h2 { font-size: 1.4rem; margin-top: 2em; padding-top: 0.4em; border-top: 1px solid var(--border); }
h3 { font-size: 1.1rem; margin-top: 1.6em; }
.lead { font-size: 1.1rem; color: var(--muted); }

code { font-family: ui-monospace, Consolas, "Cascadia Mono", monospace; font-size: 0.92em; }
:not(pre) > code { background: var(--surface-2); padding: 0.1em 0.35em; border-radius: 4px; overflow-wrap: anywhere; }
pre {
  position: relative;
  background: var(--code-bg);
  color: var(--code-text);
  padding: 14px 16px;
  border-radius: 8px;
  overflow-x: auto;
  line-height: 1.45;
  font-size: 14px;
}
pre { padding-top: 36px; }
pre.prompt { white-space: pre-wrap; overflow-wrap: anywhere; }
.copy {
  position: absolute; top: 8px; right: 8px;
  background: var(--accent); color: #141414; border: 0; border-radius: 5px;
  padding: 3px 9px; font-size: 12px; font-weight: 600; cursor: pointer;
}
.copy:hover { background: var(--accent-hover); }

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 7px 10px; border-bottom: 1px solid var(--border); }
th { background: var(--surface-2); }

.note, .todo, .warn {
  border-left: 4px solid var(--accent);
  background: var(--surface);
  padding: 10px 14px;
  border-radius: 6px;
  margin: 1em 0;
}
.todo { background: var(--todo-bg); border-color: var(--todo-border); }
.todo::before { content: "TODO: "; font-weight: 700; }
.warn { background: var(--warn-bg); }

.diagram { margin: 1.5em 0; }
.diagram svg { width: 100%; height: auto; display: block; }
.diagram .box { fill: var(--surface); stroke: var(--accent); stroke-width: 2; }
.diagram .label { fill: var(--text); font: 600 15px system-ui, sans-serif; }
.diagram .sub { fill: var(--muted); font: 12px system-ui, sans-serif; }
.diagram .arrow { stroke: var(--accent); stroke-width: 2.5; fill: none; }
.diagram .head { fill: var(--accent); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.card h3 { margin-top: 0; }

.hero-shot { margin: 1em 0 0.5em; }
.hero-shot img, .gallery img { width: 100%; height: auto; display: block; border-radius: 8px; border: 1px solid var(--border); }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin: 1em 0; }
figure { margin: 0; }
figcaption { font-size: 14px; color: var(--muted); margin-top: 6px; }
.gallery .wide { grid-column: 1 / -1; }

ol.steps > li { margin-bottom: 0.6em; }
.toc { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 10px 16px; }
.toc ol { margin: 0.3em 0; padding-left: 1.3em; }

footer { border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; }
footer .inner { padding-top: 16px; padding-bottom: 32px; }