:root {
  color-scheme: light dark;
  --bg: #f7f6f2; --fg: #1c1d21; --muted: #5d6068; --line: #d9d6cc; --card: #ffffff;
  --accent: #0b7a6f; --accent-fg: #ffffff; --code: #eeece5; --warn: #9a3412; --ok: #166534;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317; --fg: #e7e7ea; --muted: #a2a6b0; --line: #2d3139; --card: #181b21;
    --accent: #3cc4b3; --accent-fg: #0b1512; --code: #1f232b; --warn: #fdba74; --ok: #86efac;
  }
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
code { font-family: var(--mono); font-size: .9em; background: var(--code); padding: .05em .3em; border-radius: 4px; overflow-wrap: anywhere; }
.top { display: flex; align-items: baseline; gap: .75rem; padding: .7rem 1rem; border-bottom: 1px solid var(--line); }
.brand { font-weight: 800; letter-spacing: -.02em; text-decoration: none; color: var(--fg); font-size: 1.15rem; }
.tag { color: var(--muted); font-size: .9rem; }
main { max-width: 64rem; margin: 0 auto; padding: 1rem; }
h1 { font-size: clamp(1.45rem, 4.8vw, 2.3rem); line-height: 1.15; margin: .4rem 0 .6rem; letter-spacing: -.02em; }
h2 { font-size: 1.2rem; margin: 1.8rem 0 .6rem; }
.lede { margin: 0 0 1rem; max-width: 46rem; }
.warn { border-left: 4px solid var(--warn); padding: .5rem .8rem; background: var(--card); }

form { margin: 0; }
.domain { display: block; font-weight: 600; margin-bottom: .8rem; }
.domain input { display: block; width: 100%; max-width: 24rem; margin-top: .3rem; font: inherit; font-weight: 400; padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--fg); }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
legend { font-weight: 600; padding: 0; margin-bottom: .4rem; }
.hint { font-weight: 400; color: var(--muted); font-size: .9rem; }
.apps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr; gap: .4rem; }
.app { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: .5rem .7rem; min-width: 0; }
.app.on { border-color: var(--accent); box-shadow: inset 3px 0 0 var(--accent); }
.pick { display: flex; gap: .6rem; align-items: flex-start; cursor: pointer; }
.pick input { width: 1.15rem; height: 1.15rem; margin: .2rem 0 0; flex: none; accent-color: var(--accent); }
.desc { display: block; color: var(--muted); font-size: .88rem; line-height: 1.4; }
.sub { display: none; align-items: center; flex-wrap: wrap; gap: .35rem; margin: .45rem 0 .1rem 1.75rem; font-size: .88rem; color: var(--muted); }
.app.on .sub { display: flex; }
.sub input { width: 7.5rem; font: inherit; font-family: var(--mono); padding: .25rem .4rem; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--fg); }
.dom { font-family: var(--mono); overflow-wrap: anywhere; }

.status { margin: 1.2rem 0 .6rem; padding: .55rem .8rem; border-radius: 8px; background: var(--card); border: 1px solid var(--line); }
.status.err { border-color: var(--warn); color: var(--warn); }
.status.ok { color: var(--ok); }
.panel { margin: .9rem 0; border: 1px solid var(--line); border-radius: 10px; background: var(--card); overflow: hidden; min-width: 0; }
.bar { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; padding: .45rem .6rem; border-bottom: 1px solid var(--line); }
.bar h2 { margin: 0 auto 0 0; flex: 1 0 100%; font-size: 1rem; font-family: var(--mono); }
@media (min-width: 560px) { .bar h2 { flex: 0 1 auto; } }
.bar h2 small { font-family: system-ui, sans-serif; font-weight: 400; color: var(--muted); font-size: .8rem; margin-left: .3rem; }
button { font: inherit; font-size: .88rem; padding: .35rem .75rem; border-radius: 7px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-fg); cursor: pointer; }
button#reseed { background: transparent; color: var(--accent); }
pre { margin: 0; padding: .7rem .8rem; font: .8rem/1.45 var(--mono); overflow: auto; max-height: 26rem; background: var(--code); white-space: pre; tab-size: 4; }
.steps ol { padding-left: 1.3rem; }
.steps li { margin-bottom: .7rem; }
.cmd { border-radius: 8px; margin-top: .4rem; max-height: none; }
.scroll { overflow-x: auto; margin-top: .4rem; }
table { border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: .3rem .6rem .3rem 0; border-bottom: 1px solid var(--line); }
td:nth-child(2) { font-family: var(--mono); }
.how ul, .limits ul { padding-left: 1.2rem; }
.how li, .limits li { margin-bottom: .55rem; }
.catalog { list-style: none; padding: 0; margin: 0; display: grid; gap: .8rem; }
.catalog > li { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: .7rem .9rem; min-width: 0; }
.catalog h3 { margin: 0 0 .2rem; font-size: 1.05rem; }
.catalog p { margin: .2rem 0; }
.meta { font-size: .88rem; color: var(--muted); }
.src { padding-left: 1.1rem; margin: .4rem 0 0; font-size: .9rem; }
.src a { overflow-wrap: anywhere; }
.checked { color: var(--muted); font-size: .82rem; white-space: nowrap; }
.foot { border-top: 1px solid var(--line); color: var(--muted); font-size: .88rem; padding: 1rem; text-align: center; margin-top: 2rem; }
[hidden] { display: none !important; }

/* /app/ pages */
.doc { max-width: 52rem; }
.doc section { min-width: 0; }
.doc li, .doc p { overflow-wrap: break-word; } /* long variable names and URLs in notes wrap on phones */
.crumbs { font-size: .88rem; color: var(--muted); margin-top: .2rem; }
.by, .why { color: var(--muted); font-size: .88rem; }
.by a, .cite a, .src a { overflow-wrap: anywhere; }
.replaces { margin: 0 0 1rem; }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .8rem; margin: 1rem 0; }
.cta span { color: var(--muted); font-size: .9rem; }
.btn { display: inline-block; padding: .45rem .9rem; border-radius: 8px; background: var(--accent); color: var(--accent-fg); text-decoration: none; font-weight: 600; }
h2 small { font-weight: 400; color: var(--muted); font-size: .8rem; margin-left: .3rem; }
h3 { font-size: 1.02rem; margin: 1.2rem 0 .4rem; }
pre.code { border: 1px solid var(--line); border-radius: 10px; max-height: 70vh; }
pre.code a { color: inherit; }
/* BACKUP.md is mostly prose around commands: wrap it instead of scrolling sideways on a phone. */
pre.wrap { white-space: pre-wrap; overflow-wrap: anywhere; }
.req { width: 100%; }
.req td, .req th { vertical-align: top; font-family: inherit; }
.req thead th { color: var(--muted); font-weight: 600; font-size: .82rem; }
.req tr.note td { color: var(--muted); font-size: .84rem; padding-top: 0; }
.req tr:has(+ tr.note) > * { border-bottom: 0; }
.np { color: var(--muted); font-style: italic; }
.hub { padding-left: 1.1rem; }
.hub li { margin-bottom: .45rem; }
.hub a { font-weight: 600; }
.hub span { color: var(--muted); font-size: .92rem; }

@media (min-width: 760px) {
  body { font-size: 17px; }
  .apps { grid-template-columns: 1fr 1fr; }
  .catalog { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1100px) {
  main { max-width: 72rem; }
}
.req .cite { display: block; margin-top: .2rem; }

/* /hardware/ page */
.hw .apps { grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr)); }
.hw .app { padding: .45rem .5rem; }
.hw .pick { gap: .45rem; }
.hw .pick b { font-size: .88rem; }
.hw .pick span { min-width: 0; overflow-wrap: anywhere; }
@media (min-width: 760px) { .hw .apps { grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr)); } }
.machine { margin-top: 1rem; }
.machine .row { display: flex; flex-wrap: wrap; gap: .6rem 1rem; align-items: flex-end; }
.machine label { display: flex; flex-direction: column; gap: .25rem; font-weight: 600; font-size: .92rem; min-width: 0; }
.machine select, .machine input { font: inherit; font-weight: 400; padding: .45rem .55rem; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--fg); max-width: 100%; }
.machine input { width: 6.5rem; }
.unit { display: flex; align-items: center; gap: .35rem; font-weight: 400; }
.machine .meta { margin: .6rem 0 0; }
.verdict { padding: .6rem .8rem; border-radius: 8px; background: var(--card); border: 1px solid var(--line); border-left-width: 5px; }
.verdict[data-verdict="fits"] { border-left-color: var(--ok); }
.verdict[data-verdict="fits"] strong { color: var(--ok); }
.verdict[data-verdict="tight"] { border-left-color: #ca8a04; }
.verdict[data-verdict="no"] { border-left-color: var(--warn); }
.verdict[data-verdict="no"] strong { color: var(--warn); }
.req tr.total th { border-bottom: 0; color: var(--fg); font-size: .88rem; }
.req small { color: var(--muted); }
.ok { color: var(--ok); font-weight: 600; }
.bad { color: var(--warn); font-weight: 600; }
.nc li, .drop li { margin-bottom: .35rem; }
.drop li.gone { color: var(--muted); }
.figs p { font-size: .92rem; }
.figs a { overflow-wrap: anywhere; }