/* Minimal on purpose: system fonts, one accent, dark mode via media query.
   The tokens and the site chrome match nixpkgs-multiverse, so the two
   pages read as one family. */
:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6a6a6a;
  --line: #e0e0e0;
  --accent: #4f6bed;
  --code-bg: #f4f4f4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181d;
    --fg: #e6e6e6;
    --muted: #9a9a9a;
    --line: #33363d;
    --accent: #8fa3ff;
    --code-bg: #22252c;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0 auto;
  padding: 1rem;
  max-width: 60rem;
  background: var(--bg);
  color: var(--fg);
  font:
    15px/1.5 system-ui,
    sans-serif;
}
h1 {
  font-size: 1.3rem;
  margin: 0.2rem 0;
}
h1 a {
  color: inherit;
  text-decoration: none;
}

/* The site header: the title on the left, the top-level destinations on the
   right. Wraps to two lines on a narrow phone rather than shrinking. */
header.site {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.3rem 1rem;
  margin: 0.2rem 0 0.6rem;
}
nav.site {
  margin: 0;
  border: 0;
  display: flex;
  gap: 1rem;
  font-size: 14px;
}
nav.site a {
  display: inline;
  padding: 0;
  border: 0;
  color: var(--accent);
  text-decoration: none;
}
nav.site a:hover {
  text-decoration: underline;
}
nav.site a.active {
  color: var(--fg);
  font-weight: 600;
}
h2 {
  font-size: 1.1rem;
  margin: 1rem 0 0.3rem;
}
.muted {
  color: var(--muted);
}
a {
  color: var(--accent);
}
code {
  font:
    13px/1.5 ui-monospace,
    monospace;
  background: var(--code-bg);
  border-radius: 3px;
  padding: 0.1rem 0.3rem;
}

/* The walk form: the input takes the measure, the button rides beside it. */
#walk-form {
  display: flex;
  gap: 0.5rem;
}
#walk-form input {
  flex: 1;
  padding: 0.5rem;
  font:
    13px/1.5 ui-monospace,
    monospace;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 4px;
}
#walk-form button {
  padding: 0.5rem 1rem;
  font: inherit;
  color: var(--fg);
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
}
#status {
  margin: 0.5rem 0;
}

/* The closure table: store paths are long, so the path column gets the
   measure and the size columns hug their content on the right. */
#result table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
#result th,
#result td {
  text-align: left;
  padding: 0.25rem 0.6rem 0.25rem 0;
  border-bottom: 1px solid var(--line);
}
#result th.size,
#result td.size {
  text-align: right;
  white-space: nowrap;
}
#result td.path {
  font:
    12px/1.6 ui-monospace,
    monospace;
  word-break: break-all;
}

/* Example links under the intro. */
.examples a {
  white-space: nowrap;
}

/* The lane tabs: search, ranges, store path. */
#lanes {
  margin: 1rem 0 0.8rem;
  border-bottom: 1px solid var(--line);
}
#lanes a {
  display: inline-block;
  border-bottom: 2px solid transparent;
  padding: 0.4rem 0.8rem;
  font: inherit;
  color: var(--muted);
  text-decoration: none;
  cursor: pointer;
}
#lanes a.active {
  color: var(--fg);
  border-bottom-color: var(--accent);
}

#ranges-form,
#walk-form {
  display: flex;
  gap: 0.5rem;
}
#ranges-form input,
#walk-form input {
  flex: 1;
  padding: 0.5rem;
  font:
    13px/1.5 ui-monospace,
    monospace;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 4px;
}
#ranges-form button,
#walk-form button {
  padding: 0.5rem 1rem;
  font: inherit;
  color: var(--fg);
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
}
/* Autocomplete under the range box: a vertical dropdown, the way
   grail's is — attributes while typing a name, versions after "@". */
#ranges-lane {
  position: relative;
}
#ranges-complete {
  position: absolute;
  z-index: 10;
  left: 0;
  right: 0;
  margin: 0.15rem 0 0;
  padding: 0;
  list-style: none;
  max-height: 16rem;
  overflow-y: auto;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: 0 4px 14px rgb(0 0 0 / 12%);
}
#ranges-complete li {
  padding: 0.3rem 0.6rem;
  font:
    13px ui-monospace,
    monospace;
  cursor: pointer;
}
#ranges-complete li:hover,
#ranges-complete li.selected {
  background: var(--code-bg);
}

#caches-input {
  width: 100%;
  min-height: 7rem;
  resize: vertical;
  padding: 0.6rem;
  font:
    13px/1.5 ui-monospace,
    monospace;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 4px;
}
#caches-save {
  margin-top: 0.4rem;
  padding: 0.4rem 1rem;
  font: inherit;
  color: var(--fg);
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
}
#ranges-results {
  margin: 0.5rem 0;
  font-size: 14px;
}

/* The package picker: a search box, a list of matches, and the chosen
   builds as removable chips. */
#search {
  width: 100%;
  padding: 0.5rem;
  font: inherit;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 4px;
}
#search-results {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin: 0.5rem 0;
}
#search-results p {
  margin: 0.2rem 0;
  width: 100%;
}
#search-results button {
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
  padding: 0.3rem 0.6rem;
  font: inherit;
  color: var(--fg);
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
}
#search-results button:hover:not(:disabled) {
  border-color: var(--accent);
}
#search-results button:disabled {
  cursor: default;
  opacity: 0.5;
}
#search-results .name {
  font:
    13px ui-monospace,
    monospace;
}
#selection {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin: 0.5rem 0;
}
#selection .chip {
  padding: 0.25rem 0.6rem;
  font:
    13px ui-monospace,
    monospace;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: 999px;
  cursor: pointer;
}
#advanced {
  margin: 0.6rem 0;
}
#advanced summary {
  cursor: pointer;
  font-size: 13px;
}
#boot-button {
  padding: 0.5rem 1.4rem;
  font: inherit;
  color: var(--fg);
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
}
#boot-button:disabled {
  opacity: 0.5;
  cursor: default;
}

/* Boot progress: one row per stage — label, bar, byte count. */
.progress-row {
  display: grid;
  grid-template-columns: 10rem 1fr 12rem;
  gap: 0.8rem;
  align-items: center;
  margin: 0.35rem 0;
  font-size: 14px;
}
.progress-row .bar {
  height: 0.5rem;
  background: var(--code-bg);
  border-radius: 4px;
  overflow: hidden;
}
.progress-row .fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 0.15s linear;
}
.progress-row.done .fill {
  background: #3fa34d;
}
.progress-row.failed .fill {
  background: #c94f4f;
}
.progress-row .bytes {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* The serial console. xterm draws its own colors; the frame stays dark
   in both themes. */
#terminal {
  margin-top: 0.8rem;
  background: #000;
  border-radius: 6px;
  padding: 0.5rem;
  min-height: 24rem;
}

footer {
  margin-top: 2rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
  font-size: 13px;
  text-align: center;
}
/* The second footer line: a store path is a single 68-character token —
   broken across lines it is unreadable and awkward to select. Hold it on
   one line and let the font shrink instead. */
#store {
  margin-top: 0.3rem;
}
#store code {
  font-size: min(12px, 2.1vw);
  white-space: nowrap;
  background: none;
  padding: 0;
}