/* SPDX-License-Identifier: MIT -- Tonitor website */
:root {
  --bg: #0e0d0d;
  --bg2: #171515;
  --line: #2c2927;
  --fg: #edeae4;
  --dim: #a8a29b;
  --l1: #ffd600; --l2: #00d6ff; --l3: #ff5cd2; --l4: #60ff60; --l5: #ff8c00; --l6: #bea0ff;
  --warn: #ff5a4a;
  --ok: #60e080;
  --side: 230px;
  --max: 820px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.6;
}
a { color: var(--l2); text-underline-offset: 3px; }
a:hover { color: var(--fg); }
code, pre { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 0.88em; }
code { background: var(--bg2); border: 1px solid var(--line); border-radius: 5px; padding: 0.05em 0.35em; }
pre { background: var(--bg2); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; overflow-x: auto; }
pre code { background: none; border: 0; padding: 0; }
img { max-width: 100%; }

/* the frame: the menu down the left, the content beside it */
.layout { display: flex; min-height: 100vh; }
.side {
  width: var(--side); flex: none; position: sticky; top: 0; align-self: flex-start; height: 100vh;
  padding: 28px 22px; border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-weight: 700; letter-spacing: 0.16em; font-size: 18px; }
.brand img { width: 36px; height: 36px; }
.layers { display: flex; height: 4px; margin: 18px 0 22px; }
.layers span { flex: 1; }
.layers span:nth-child(1) { background: var(--l1); } .layers span:nth-child(2) { background: var(--l2); }
.layers span:nth-child(3) { background: var(--l3); } .layers span:nth-child(4) { background: var(--l4); }
.layers span:nth-child(5) { background: var(--l5); } .layers span:nth-child(6) { background: var(--l6); }
.side nav { display: flex; flex-direction: column; gap: 2px; }
.side nav a { color: var(--dim); text-decoration: none; padding: 8px 12px; border-radius: 6px; border-left: 3px solid transparent; }
.side nav a:hover { color: var(--fg); background: var(--bg2); }
.side nav a[aria-current="page"] { color: var(--fg); background: var(--bg2); border-left-color: var(--l5); font-weight: 700; }
.donate { margin: auto 0 0; padding-top: 28px; border-top: 1px solid var(--line); display: flex; justify-content: center; }
.donate input[type="image"] { display: block; }
.donate-foot { display: none; }

.content { flex: 1; min-width: 0; padding: 0 48px; }
main { max-width: var(--max); padding: 40px 0 50px; }
main h1 { font-size: 36px; line-height: 1.2; margin: 0 0 14px; }
main h2 { font-size: 27px; line-height: 1.25; margin: 48px 0 12px; padding-top: 14px; border-top: 1px solid var(--line); }
main h3 { font-size: 21px; margin: 30px 0 8px; }
main h2, main h3 { scroll-margin-top: 20px; }
p.big { font-size: 22px; font-weight: 700; margin: 0 0 8px; }
p.note { color: var(--dim); font-size: 15px; }

/* home */
.hero { padding: 10px 0 6px; }
.hero h1 { font-size: 30px; line-height: 1.3; max-width: 26em; margin: 0; }
.cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 8px; font-weight: 700; text-decoration: none; border: 2px solid var(--fg); color: var(--fg); background: transparent; font-size: 18px; cursor: pointer; font-family: inherit; }
.btn.primary { background: var(--fg); color: var(--bg); }
.btn:hover { background: var(--bg2); color: var(--fg); }
.btn.primary:hover { background: #fff; color: var(--bg); }
.btn[disabled] { opacity: 0.35; cursor: not-allowed; }

.features { display: grid; grid-template-columns: max-content 1fr; gap: 8px 26px; margin: 16px 0 0; }
.features dt { font-weight: 700; }
.features dd { margin: 0; color: var(--dim); }

.steps { counter-reset: s; list-style: none; padding: 0; margin: 16px 0 0; }
.steps li { counter-increment: s; position: relative; padding: 4px 0 12px 50px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 34px; height: 34px; border-radius: 50%; border: 2px solid var(--fg); display: grid; place-items: center; font-weight: 700; }

.warn { border-left: 4px solid var(--warn); padding: 4px 0 4px 18px; margin: 22px 0; }
.warn p { margin: 0; }

footer { border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--dim); font-size: 15px; max-width: var(--max); }
footer p { margin: 4px 0; }

/* documents (manual, changelog) */
main table { border-collapse: collapse; width: 100%; margin: 14px 0; display: block; overflow-x: auto; }
main th, main td { border: 1px solid var(--line); padding: 8px 12px; vertical-align: top; text-align: left; }
main th { background: var(--bg2); }
main td:first-child { white-space: nowrap; }
main blockquote { border-left: 4px solid var(--l5); margin: 16px 0; padding: 4px 18px; color: var(--dim); }
.toc { border-left: 1px solid var(--line); padding: 4px 0 4px 18px; columns: 2 240px; margin: 20px 0; }
.toc a { display: block; padding: 2px 0; text-decoration: none; }
.toc a.sub { padding-left: 16px; color: var(--dim); }

/* the installer */
.panel { background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; padding: 22px 24px; margin-top: 20px; }
.status { font-size: 22px; font-weight: 700; margin: 0 0 8px; }
.status.ok { color: var(--ok); } .status.bad { color: var(--warn); }
.detail { color: var(--dim); margin: 0; white-space: pre-line; }
.bar { height: 22px; background: var(--bg); border: 2px solid var(--fg); border-radius: 6px; overflow: hidden; margin: 16px 0 6px; }
.bar > div { height: 100%; width: 0; background: linear-gradient(90deg, var(--l1), var(--l2), var(--l3), var(--l4), var(--l5), var(--l6)); transition: width 0.2s; }
.check { display: flex; gap: 12px; align-items: flex-start; margin: 16px 0; font-size: 17px; }
.check input { width: 22px; height: 22px; margin-top: 3px; flex: none; }
.dev { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 10px 0 0; }
.dev dt { color: var(--dim); }
.dev dd { margin: 0; font-weight: 700; }

/* narrow screens: the menu above the content */
@media (max-width: 820px) {
  .layout { flex-direction: column; }
  .side { width: auto; height: auto; position: static; border-right: 0; border-bottom: 1px solid var(--line); padding: 16px 20px 12px; }
  .layers { margin: 12px 0; }
  .side nav { flex-direction: row; flex-wrap: wrap; gap: 4px; }
  .side nav a { border-left: 0; border-bottom: 3px solid transparent; padding: 6px 10px; }
  .side nav a[aria-current="page"] { border-bottom-color: var(--l5); }
  .donate-side { display: none; }
  .donate-foot { display: flex; margin: 24px 0 8px; padding-top: 24px; }
  .content { padding: 0 20px; }
  main { padding-top: 26px; }
  body { font-size: 17px; }
  .features { grid-template-columns: 1fr; gap: 0; }
  .features dd { margin-bottom: 10px; }
  main td:first-child { white-space: normal; }
}