/* Portal styles. Calm, typographic, one accent. No badges, pills or card grids: hierarchy comes from type and
   whitespace. Brand name and colours are placeholders until the platform name is chosen. */
:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --ink: #1d1b18;
  --ink-2: #57524b;
  --ink-3: #8a847b;
  --line: #e7e3dc;
  --accent: #1f5c4a;        /* deep green: calm, trustworthy */
  --accent-ink: #ffffff;
  --accent-soft: #e8f0ec;
  --warn: #8a4b0f;
  --warn-soft: #fbf1e4;
  --bad: #9b2c1f;
  --radius: 10px;
  --measure: 640px;
  --wide: 880px;
  --font: "Söhne", "Inter Tight", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Newsreader", "Iowan Old Style", Georgia, serif;
}
/* Light is the default. Dark only when chosen explicitly (data-theme="dark" on <html>), not from the OS setting. */
:root[data-theme="dark"] {
  --bg: #141412; --surface: #1c1b19; --ink: #f1eee8; --ink-2: #c3bdb3; --ink-3: #8f897f; --line: #2e2c28;
  --accent: #7fc4ac; --accent-ink: #10201a; --accent-soft: #1e2b26; --warn: #e2a866; --warn-soft: #2d2419;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--font); }
a { color: var(--accent); text-underline-offset: 3px; }
.wrap { max-width: var(--measure); margin: 0 auto; padding: 0 16px; }
.wrap.wide { max-width: var(--wide); }

/* top bar */
.top { border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 600; letter-spacing: -0.01em; color: var(--ink); text-decoration: none; font-size: 18px; }
.top nav { display: flex; gap: 20px; font-size: 15px; }
.top nav a { color: var(--ink-2); text-decoration: none; }
.top nav a[aria-current="page"] { color: var(--ink); }

main { padding: 56px 0 96px; }
h1 { font: 600 40px/1.15 var(--font); letter-spacing: -0.02em; margin: 0 0 16px; }
h2 { font: 600 24px/1.25 var(--font); letter-spacing: -0.01em; margin: 48px 0 12px; }
h3 { font: 600 18px/1.35 var(--font); margin: 28px 0 6px; }
p { margin: 0 0 16px; }
.lead { font-size: 20px; color: var(--ink-2); margin-bottom: 32px; }
.muted { color: var(--ink-2); }
.small { font-size: 14px; color: var(--ink-3); }
.eyebrow { font-size: 14px; color: var(--ink-3); margin-bottom: 10px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }

/* forms */
label { display: block; font-weight: 500; margin: 0 0 6px; }
.hint { display: block; font-size: 14px; color: var(--ink-3); margin: -2px 0 8px; font-weight: 400; }
input[type=text], input[type=email], input[type=url], input[type=number], input[type=date], select, textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 12px 14px; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea { min-height: 110px; resize: vertical; }
.field { margin: 0 0 22px; }
.code-input { font-size: 28px; letter-spacing: 0.4em; text-align: center; max-width: 260px; }
.inline { display: flex; gap: 10px; }
.inline input { flex: 1; }
.choice { display: flex; gap: 12px; align-items: flex-start; padding: 14px 0; border-bottom: 1px solid var(--line); cursor: pointer; font-weight: 400; margin: 0; }
.choice input { margin-top: 5px; accent-color: var(--accent); }
.choice b { font-weight: 600; }

/* buttons */
.btn { display: inline-block; font: 600 16px/1 var(--font); padding: 14px 20px; border-radius: var(--radius);
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); cursor: pointer; text-decoration: none; }
.btn:hover { filter: brightness(1.06); }
.btn.secondary { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.link { background: none; border: 0; color: var(--accent); padding: 14px 0; }
.actions { display: flex; gap: 12px; align-items: center; margin-top: 28px; flex-wrap: wrap; }

/* steps */
.steps { font-size: 14px; color: var(--ink-3); margin-bottom: 28px; }
.progress { height: 3px; background: var(--line); border-radius: 2px; margin: 8px 0 0; overflow: hidden; }
.progress span { display: block; height: 100%; background: var(--accent); }
.help { font-size: 15px; border-left: 2px solid var(--line); padding: 2px 0 2px 14px; margin: 18px 0; color: var(--ink-2); }
.help a { white-space: nowrap; }

/* notices */
.note { background: var(--accent-soft); border-radius: var(--radius); padding: 14px 16px; margin: 18px 0; font-size: 15px; }
.note.warn { background: var(--warn-soft); color: var(--warn); }
.error { color: var(--bad); font-size: 15px; margin: -10px 0 18px; }

/* lists of items (tips, content) */
.list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.list > li { padding: 20px 0; border-bottom: 1px solid var(--line); }
.list .meta { font-size: 14px; color: var(--ink-3); }
details > summary { cursor: pointer; list-style: none; }
details > summary::-webkit-details-marker { display: none; }
details > summary h3 { display: inline; }
details[open] > summary { margin-bottom: 8px; }
.who { font-size: 14px; color: var(--ink-3); }
ol.todo { padding-left: 20px; } ol.todo li { margin: 6px 0; }

/* blog preview */
.prose { font: 19px/1.7 var(--serif); }
.prose h2 { font-family: var(--font); font-size: 24px; }
.prose h3 { font-family: var(--font); }
.prose table { border-collapse: collapse; width: 100%; font: 15px/1.5 var(--font); }
.prose td, .prose th { border-bottom: 1px solid var(--line); padding: 8px 6px; text-align: left; }
.prose [class$="-tldr"] { font-family: var(--font); font-size: 17px; background: var(--accent-soft); padding: 16px 18px; border-radius: var(--radius); }
.prose [class$="-cta"] { font-family: var(--font); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 16px 0; margin: 28px 0; }
.prose [class$="-cta"] a { margin-right: 16px; }
.prose [class$="-sources"] { font: 15px/1.5 var(--font); color: var(--ink-2); }
.post-text { white-space: pre-wrap; font-size: 17px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }

/* waiting */
.wait { display: flex; gap: 14px; align-items: center; color: var(--ink-2); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: .25 } 50% { opacity: 1 } }
@media (prefers-reduced-motion: reduce) { .dot { animation: none; } }

/* sliders for topics */
.topic { padding: 16px 0; border-bottom: 1px solid var(--line); }
.topic .row { display: flex; align-items: center; gap: 14px; }
.topic input[type=range] { flex: 1; accent-color: var(--accent); }
.topic .pct { width: 48px; text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }

@media (max-width: 560px) {
  body { font-size: 16px; }
  h1 { font-size: 30px; }
  main { padding: 36px 0 72px; }
  .top nav { gap: 14px; font-size: 14px; }
  .inline { flex-direction: column; }
}