/* Homelab Ledger — mobile-first, system fonts only, no web fonts or JS. */

:root {
  --bg: #f4f1ea;
  --fg: #1c1c1c;
  --muted: #3f3f3f;
  --link: #0a4b82;
  --link-hover: #08365e;
  --border: #d5d0c6;
  --accent: #0d4f43;
  --card: #fffcf7;
  --todo-bg: #efe8d8;
  --todo-edge: #6b5014;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --max: 40rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--fg);
  background: var(--bg);
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header .wrap,
.site-footer .wrap {
  width: min(100% - 2rem, 48rem);
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -3.5rem;
  z-index: 10;
  padding: 0.45rem 0.8rem;
  background: var(--fg);
  color: var(--bg);
  text-decoration: none;
}

.skip-link:focus {
  top: 0.75rem;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

a:hover {
  color: var(--link-hover);
}

a:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 2px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding: 0.9rem 0;
}

.site-name {
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--accent);
  text-decoration: none;
}

.site-name:hover {
  color: var(--accent);
  text-decoration: underline;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

nav a[aria-current="page"] {
  color: var(--fg);
  font-weight: 600;
  text-decoration: none;
}

main {
  padding: 1.75rem 0 3rem;
}

main h1 {
  margin: 0 0 0.7rem;
  font-size: 1.85rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--accent);
}

.lede {
  margin: 0 0 1.5rem;
  font-size: 1.125rem;
  color: var(--muted);
}

h2 {
  margin: 2rem 0 0.6rem;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

p,
main li {
  max-width: 65ch;
}

.guide-list,
.plain-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-list li {
  margin: 0 0 0.75rem;
  padding: 1rem 1.1rem;
  max-width: none;
  background: var(--card);
  border: 1px solid var(--border);
}

.guide-list a {
  font-weight: 600;
}

.guide-list p,
.plain-list p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.status {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.05rem 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--fg);
  background: var(--todo-bg);
  border: 1px solid var(--todo-edge);
  border-radius: 0.2rem;
  vertical-align: middle;
}

.plain-list li {
  margin: 0 0 0.85rem;
  padding-left: 0;
}

.todo {
  margin: 1.25rem 0;
  padding: 0.8rem 1rem;
  background: var(--todo-bg);
  border-left: 4px solid var(--todo-edge);
}

.todo p {
  margin: 0.4rem 0 0;
}

.todo p:first-child {
  margin: 0;
}

.meta {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0 2rem;
  font-size: 0.9375rem;
  color: var(--muted);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}

.footer-name {
  margin: 0;
  font-weight: 600;
  color: var(--fg);
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
}

/* Guide body: keep code blocks, tables and long links inside narrow screens */
pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--card);
}

article table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

article th,
article td {
  padding: 0.35rem 0.6rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

article p a,
article li a,
article :not(pre) > code {
  overflow-wrap: anywhere;
}

@media (min-width: 48rem) {
  body {
    font-size: 1.125rem;
  }

  main h1 {
    font-size: 2.15rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Forms and comparison layouts used by /tools/ */

.wrap-wide {
  width: min(100% - 2rem, 70rem);
}

label,
.field-label {
  display: block;
  margin: 0 0 0.3rem;
  font-weight: 600;
}

input[type="text"],
input[type="number"],
select {
  width: 100%;
  max-width: 22rem;
  padding: 0.45rem 0.6rem;
  font: inherit;
  color: var(--fg);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.2rem;
}

input[type="number"] {
  max-width: 10rem;
}

button,
.button-like {
  font: inherit;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  border: 0;
  border-radius: 0.2rem;
  padding: 0.5rem 0.9rem;
  min-height: 2.75rem;
  cursor: pointer;
}

button:hover,
.button-like:hover {
  filter: brightness(1.08);
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 2px;
}

.field {
  margin: 0 0 1rem;
}

.hint,
.source-line {
  margin: 0.35rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
  max-width: none;
}

.compare {
  display: grid;
  gap: 1rem;
  margin: 1.25rem 0;
}

@media (min-width: 48rem) {
  .compare-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.compare article {
  padding: 1rem 1.1rem;
  background: var(--card);
  border: 1px solid var(--border);
}

.compare h3 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
}

.results {
  margin: 1.25rem 0 0;
}

.results dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.2rem 1rem;
  margin: 0.5rem 0 0;
}

.results dt {
  font-weight: 600;
}

.results dd {
  margin: 0;
}

fieldset {
  margin: 0 0 1.1rem;
  padding: 0.75rem 1rem 1rem;
  border: 1px solid var(--border);
  background: var(--card);
}

legend {
  font-weight: 700;
  padding: 0 0.35rem;
}

.choices {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin: 0.4rem 0 0;
}

.choices label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  font-weight: 500;
  min-height: 2.75rem;
}

.recommendation {
  margin: 1.25rem 0 0;
  padding: 1rem 1.1rem;
  background: var(--card);
  border: 1px solid var(--border);
}

.recommendation h2 {
  margin-top: 0;
}