/* daxfr.com — one stylesheet, no build step, no framework.
   Audience is hosting sysadmins: dense, precise, quick to scan. */

:root {
  --bg:        #ffffff;
  --bg-soft:   #f6f7f9;
  --bg-sunk:   #eef0f4;
  --ink:       #14181f;
  --ink-soft:  #4c5666;
  --ink-faint: #77808f;
  --line:      #dfe3ea;
  --line-soft: #eceff4;
  --accent:    #0b6b6b;
  --accent-ink:#ffffff;
  --accent-bg: #e3f2f1;
  --warn:      #8a5a00;
  --warn-bg:   #fdf3e0;
  --bad:       #a32020;
  --bad-bg:    #fdeceb;
  --good:      #1c6a3e;
  --good-bg:   #e6f4ec;
  --radius:    8px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #0f1216;
    --bg-soft:   #161a20;
    --bg-sunk:   #1d222a;
    --ink:       #e8ecf2;
    --ink-soft:  #a8b2c0;
    --ink-faint: #7c8695;
    --line:      #2a313b;
    --line-soft: #222831;
    --accent:    #4fd1c5;
    --accent-ink:#08262a;
    --accent-bg: #12312f;
    --warn:      #e6b45c;
    --warn-bg:   #2e2413;
    --bad:       #f28b82;
    --bad-bg:    #331d1d;
    --good:      #7ddba1;
    --good-bg:   #142c1f;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

.wrap { width: 100%; max-width: 1060px; margin: 0 auto; padding: 0 24px; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 .5em; font-weight: 650; }
h1 { font-size: clamp(2rem, 5vw, 2.9rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.85rem); margin-top: 0; }
h3 { font-size: 1.12rem; }
p  { margin: 0 0 1em; }

code, kbd, samp { font-family: var(--mono); font-size: .89em; }
p code, li code, td code {
  background: var(--bg-sunk); border: 1px solid var(--line-soft);
  padding: .1em .35em; border-radius: 4px; white-space: nowrap;
}

pre {
  background: var(--bg-sunk); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 16px;
  overflow-x: auto; font-family: var(--mono); font-size: .85rem; line-height: 1.6;
  margin: 0 0 1.2em;
}
pre code { background: none; border: 0; padding: 0; white-space: pre; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: var(--accent-ink); padding: 10px 16px; z-index: 100;
}
.skip:focus { left: 0; }

/* ---------- header / footer ---------- */
header.site {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  position: sticky; top: 0; z-index: 20; backdrop-filter: saturate(180%) blur(8px);
}
.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 60px; }
.brand { color: var(--ink); font-weight: 700; letter-spacing: -.03em; font-size: 1.15rem; }
.brand:hover { text-decoration: none; }
.mark { font-family: var(--mono); font-weight: 700; letter-spacing: -.04em; }
header nav { display: flex; align-items: center; gap: 22px; font-size: .93rem; }
header nav a { color: var(--ink-soft); }
header nav a.on { color: var(--ink); }
header nav a:hover { color: var(--ink); text-decoration: none; }

footer.site { border-top: 1px solid var(--line); margin-top: 80px; padding: 44px 0 28px; background: var(--bg-soft); }
footer .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
footer .cols a { display: block; color: var(--ink-soft); font-size: .9rem; padding: 2px 0; }
footer .h { font-weight: 650; font-size: .82rem; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-faint); margin-bottom: .5em; }
footer .fine {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  border-top: 1px solid var(--line); margin-top: 32px; padding-top: 18px;
  font-size: .84rem; color: var(--ink-faint);
}
footer .fine p { margin: 0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  border: 1px solid transparent; border-radius: var(--radius);
  padding: 11px 20px; font: inherit; font-weight: 600; font-size: .95rem;
  cursor: pointer; text-align: center;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.small { padding: 6px 14px; font-size: .88rem; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { background: var(--bg-sunk); filter: none; }
.btn.danger { background: transparent; color: var(--bad); border-color: var(--line); }
.btn.danger:hover { background: var(--bad-bg); filter: none; }
.btn[disabled], .btn.off { opacity: .5; pointer-events: none; }

/* ---------- landing ---------- */
.hero { padding: 76px 0 56px; }
.hero .lede { font-size: 1.16rem; color: var(--ink-soft); max-width: 62ch; margin-bottom: 1.6em; }
.hero h1 { max-width: 20ch; }
.eyebrow {
  display: inline-block; font-family: var(--mono); font-size: .78rem; letter-spacing: .04em;
  color: var(--accent); background: var(--accent-bg); border-radius: 999px;
  padding: 5px 13px; margin-bottom: 20px;
}
.cta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.cta .muted { font-size: .88rem; }

.muted { color: var(--ink-faint); }
.lead  { color: var(--ink-soft); font-size: 1.05rem; }

section { padding: 52px 0; }
section.alt { background: var(--bg-soft); border-block: 1px solid var(--line); }
section > .wrap > h2 + .lead { max-width: 66ch; margin-bottom: 2em; }

.grid { display: grid; gap: 22px; }
.grid.g2 { grid-template-columns: repeat(2, 1fr); }
.grid.g3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px;
}
.card h3 { margin-bottom: .35em; }
.card p:last-child { margin-bottom: 0; }
.card .ico { font-family: var(--mono); color: var(--accent); font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; display: block; margin-bottom: 8px; }

figure.diagram { margin: 0 0 1.5em; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 20px; overflow-x: auto; }
figure.diagram svg { display: block; margin: 0 auto; max-width: 100%; height: auto; }
figure.diagram figcaption { color: var(--ink-faint); font-size: .87rem; margin-top: 16px; text-align: center; }

/* ---------- pricing ---------- */
.tiers { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; align-items: start; margin-bottom: 12px; }
.tier { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.tier.feature { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.tier .price { font-size: 2.5rem; font-weight: 680; letter-spacing: -.04em; line-height: 1; }
.tier .price .per { font-size: .95rem; font-weight: 400; color: var(--ink-faint); letter-spacing: 0; }
.tier ul { list-style: none; padding: 0; margin: 20px 0; }
.tier li { padding: 7px 0 7px 25px; position: relative; font-size: .94rem; border-top: 1px solid var(--line-soft); }
.tier li:first-child { border-top: 0; }
.tier li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.tier li.no::before { content: "·"; color: var(--ink-faint); }

table { width: 100%; border-collapse: collapse; font-size: .93rem; }
table th, table td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table th { font-weight: 650; color: var(--ink-soft); font-size: .84rem; text-transform: uppercase; letter-spacing: .05em; }
table tr:last-child td { border-bottom: 0; }
.scroller { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }

/* ---------- notes / callouts ---------- */
.note {
  border: 1px solid var(--line); border-left-width: 3px;
  border-radius: 6px; padding: 12px 16px; margin: 0 0 1.2em; font-size: .93rem;
}
.note.ok    { border-left-color: var(--good); background: var(--good-bg); color: var(--good); }
.note.warn  { border-left-color: var(--warn); background: var(--warn-bg); color: var(--warn); }
.note.err   { border-left-color: var(--bad);  background: var(--bad-bg);  color: var(--bad); }
.note.info  { border-left-color: var(--accent); background: var(--accent-bg); color: var(--ink); }
.note p:last-child { margin-bottom: 0; }

/* ---------- forms ---------- */
.form { max-width: 420px; }
.form.wide { max-width: 100%; }
label { display: block; font-size: .88rem; font-weight: 600; margin: 0 0 6px; color: var(--ink-soft); }
input[type=text], input[type=email], input[type=password], textarea, select {
  width: 100%; padding: 10px 12px; font: inherit; font-size: .95rem;
  background: var(--bg); color: var(--ink);
  border: 1px solid var(--line); border-radius: 6px;
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
.field { margin-bottom: 16px; }
.field .hint { font-size: .83rem; color: var(--ink-faint); margin: 5px 0 0; }
.mono-in { font-family: var(--mono); letter-spacing: .06em; text-transform: uppercase; }

/* ---------- portal ---------- */
.panel { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 22px; }
.panel > header { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; }
.panel > header h2, .panel > header h3 { margin: 0; font-size: 1.05rem; }
.panel .body { padding: 20px; }
.panel .body.flush { padding: 0; }
.panel .body.flush table th:first-child, .panel .body.flush table td:first-child { padding-left: 20px; }
.panel .body.flush table th:last-child,  .panel .body.flush table td:last-child  { padding-right: 20px; }

.pill { display: inline-block; font-size: .76rem; font-weight: 650; letter-spacing: .04em; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; }
.pill.ok      { background: var(--good-bg); color: var(--good); }
.pill.lapsed  { background: var(--warn-bg); color: var(--warn); }
.pill.revoked { background: var(--bad-bg);  color: var(--bad); }
.pill.dim     { background: var(--bg-sunk); color: var(--ink-faint); }

.keyline { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.keyline code {
  font-size: 1rem; letter-spacing: .07em; padding: 8px 12px;
  background: var(--bg-sunk); border: 1px solid var(--line); border-radius: 6px; white-space: nowrap;
}
.stack { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.pagehead { padding: 34px 0 8px; }
.pagehead h1 { font-size: 1.9rem; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; font-size: .93rem; }
.kv dt { color: var(--ink-faint); }
.kv dd { margin: 0; }

.empty { text-align: center; padding: 34px 20px; color: var(--ink-faint); }

/* ---------- admin ---------- */
.adminbar {
  background: var(--bg-sunk); border-bottom: 1px solid var(--line);
  position: sticky; top: 60px; z-index: 15;
}
.adminbar .wrap { display: flex; align-items: center; gap: 18px; min-height: 44px; flex-wrap: wrap; }
.adminbar .tag {
  font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em;
  color: var(--accent-ink); background: var(--accent); padding: 3px 8px; border-radius: 4px;
}
.adminbar nav { display: flex; gap: 4px; flex-wrap: wrap; }
.adminbar nav a {
  color: var(--ink-soft); font-size: .9rem; padding: 5px 10px; border-radius: 6px;
  display: inline-flex; align-items: center; gap: 6px;
}
.adminbar nav a:hover { background: var(--bg); color: var(--ink); text-decoration: none; }
.adminbar nav a.on { background: var(--bg); color: var(--ink); font-weight: 600; }
.adminbar .badge {
  background: var(--bad); color: #fff; font-size: .7rem; font-weight: 700;
  min-width: 17px; height: 17px; padding: 0 4px; border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center;
}

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 24px; }
.tile {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; display: block; color: var(--ink);
}
.tile:hover { text-decoration: none; border-color: var(--accent); }
.tile .k { display: block; font-size: .8rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .05em; }
.tile .v { display: block; font-size: 2rem; font-weight: 680; letter-spacing: -.03em; line-height: 1.15; margin: 4px 0 2px; }
.tile .v.mono { font-family: var(--mono); font-size: 1.5rem; }
.tile .v.bad  { color: var(--bad); }
.tile .s { display: block; font-size: .82rem; color: var(--ink-faint); }
.tile .s.warn { color: var(--warn); }

/* Counters that are all zero on a fresh install: present, but not shouting. */
.tiles.quiet .tile { opacity: .62; }
.tiles.quiet .tile:hover { opacity: 1; }

.setup { list-style: none; padding: 0; margin: 18px 0 0; }
.setup li { display: flex; gap: 14px; padding: 16px 0; border-top: 1px solid var(--line-soft); }
.setup li:first-child { border-top: 0; padding-top: 4px; }
.setup li p { margin: 5px 0 10px; font-size: .9rem; max-width: 62ch; }
.setup li > div { flex: 1; }
.setup .mark {
  flex: 0 0 22px; height: 22px; border-radius: 50%; margin-top: 2px;
  border: 1.5px solid var(--line); display: inline-flex;
  align-items: center; justify-content: center; font-size: .8rem; font-weight: 700;
}
.setup li.done   .mark { background: var(--good-bg); border-color: var(--good); color: var(--good); }
.setup li.manual .mark { color: var(--ink-faint); }
.setup li.done > div > strong { color: var(--ink-faint); }
.setup li.todo  .mark { border-color: var(--accent); border-style: dashed; }

.codes {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px;
  margin-top: 14px;
}
.codes code {
  background: var(--bg-sunk); border: 1px solid var(--line); border-radius: 6px;
  padding: 9px 12px; text-align: center; font-size: 1rem; letter-spacing: .08em;
}

.nowrap  { white-space: nowrap; }
.warnfg  { color: var(--warn) !important; }
.adminbar + .pagehead { padding-top: 28px; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .grid.g3, .grid.g2, .tiers { grid-template-columns: 1fr; }
  footer .cols { grid-template-columns: 1fr 1fr; }
  header nav { gap: 14px; font-size: .88rem; }
  header nav a:not(.btn):not(.on) { display: none; }
  .hero { padding: 52px 0 40px; }
}
@media (max-width: 520px) {
  footer .cols { grid-template-columns: 1fr; }
  .wrap { padding: 0 16px; }
}