/* declick.dev shared stylesheet. Two routes, no build step, no JavaScript.
   Order: webfonts, tokens, light override, base, layout, components, states, reduced motion, print. */

/* ---------- webfonts (self-hosted, see docs/DESIGN.md) ---------- */

/* Google serves one variable woff2 per family for the latin subset, so the three
   weights this page uses are one file and one request each. The unicode-range is
   the latin range from the Google Fonts css2 response, kept verbatim. */
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 100%;
  font-display: swap;
  src: url('/fonts/archivo-var.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Spline Sans Mono";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('/fonts/spline-sans-mono-var.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- tokens (dark is the canonical theme) ---------- */
:root {
  color-scheme: dark light;
  --sans: "Archivo", "Archivo Metrics", "Segoe UI", system-ui, sans-serif;
  --mono: "Spline Sans Mono", ui-monospace, Consolas, monospace;
  --bg: #0f1115;
  --bg-2: #14171d;
  --code: #161920;
  --fg: #f2ede4;
  --dim: #a29a8c;
  --accent: #ffb454;
  --accent-ink: #ffb454;
  --line: #2b2f38;
  --line-strong: #3b414d;
  --chip-line: #616a79;
  --link: var(--accent);
  --link-active: #e8a340;
  --focus: var(--accent);
  --plate-ink: #0f1115;
  --plate-line: var(--accent);
  --btn-hover: #ffc47a;
  --btn-active: #e8a340;
  --chip-hot-bg: transparent;
  --chip-hot-fg: var(--accent);
  --chip-hot-border: var(--accent);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- light override: tokens only, no toggle, no script ---------- */
@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --bg-2: #f4f2ec;
    --code: #f4f2ec;
    --fg: #17191d;
    --dim: #56595f;
    --accent: #ffb454;
    --accent-ink: #8a4b04;
    --line: #dcd8d0;
    --line-strong: #b9b2a6;
    --chip-line: #8f8778;
    --link: var(--accent-ink);
    --link-active: #6f3c03;
    --focus: var(--accent-ink);
    --plate-ink: #17191d;
    --plate-line: #8a4b04;
    --btn-hover: #f0a63f;
    --btn-active: #dd9730;
    --chip-hot-bg: var(--accent);
    --chip-hot-fg: #17191d;
    --chip-hot-border: var(--plate-line);
  }
}

/* ---------- base ---------- */

/* Not a third typeface: this remaps the fallback already named in --sans so it
   occupies Archivo's space. Segoe UI sets 1.03% wider than Archivo, which is
   one extra line in the 19px lead at a 412px viewport, so the whole hero jumps
   up when the webfont swaps in. Measured on the shipped page: cumulative layout
   shift 0.207 before, 0.046 after. Where Segoe UI is not installed the source
   is unavailable, the family is skipped, and the stack falls through unchanged. */
@font-face {
  font-family: "Archivo Metrics";
  src: local("Segoe UI"), local("SegoeUI");
  size-adjust: 98.98%;
  ascent-override: 88.91%;
  descent-override: 21.22%;
  line-gap-override: 0%;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 16px/1.6 var(--sans);
}

h1, h2, h3 { margin: 0; letter-spacing: -0.01em; }
h1 { font-size: 32px; line-height: 1.1; font-weight: 700; }
h2 { font-size: 24px; line-height: 1.2; font-weight: 500; }
h3 { font-size: 18px; line-height: 1.3; font-weight: 500; }

p { margin: 16px 0 0; }
p:first-child { margin-top: 0; }

a { color: var(--link); text-decoration: none; }

code, pre, kbd { font-family: var(--mono); }
code { font-size: 0.92em; }

ul { margin: 0; padding: 0; list-style: none; }

figure { margin: 0; }

/* ---------- layout ---------- */
.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.sec { padding: 64px 0 0; }
.sec:nth-of-type(odd) { padding-top: 96px; }
.sec.sec--hero { padding-top: 48px; }

/* the hero h1 is a sibling of .pane, not a cell in it, so it sets across the whole
   1120px column and wraps to two lines instead of four in a 5fr track. .lead is then
   the first child of its cell, so its 16px top margin is dropped and this replaces it. */
.sec--hero > h1 { margin-bottom: 16px; }

/* the two /controls tables read as one pair, so no wide gap between them */
.sec#configuration-required { padding-top: 64px; }

.prose { max-width: 68ch; }

.pane,
.split { display: grid; gap: 32px; }

/* without this the tracks size to the min-content width of the mono block inside them
   and overflow-x on .block pre never engages, so the page body scrolls sideways */
.pane > *,
.split > * { min-width: 0; }

.stack-32 > * + * { margin-top: 32px; }

.head-gap { margin-bottom: 24px; }

@media (min-width: 900px) {
  .wrap { padding: 0 32px; }
  .skip { left: 32px; }
  h1 { font-size: 44px; }
  .sec--hero > h1 { margin-bottom: 24px; }
  h2 { font-size: 26px; }
  .pane { grid-template-columns: 5fr 7fr; gap: 48px; align-items: start; }
  .pane > div > .prose:first-child { padding-top: 16px; }
  .split { grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
}

/* ---------- components ---------- */

/* mono block: figure > pre > code, with the rule and exit chip under it */
.block { margin: 0; }

.block pre {
  margin: 0;
  padding: 16px;
  background: var(--code);
  border: 1px solid var(--line);
  border-radius: 0;
  overflow-x: auto;
  white-space: pre;
  tab-size: 8;
  font: 400 13px/1.55 var(--mono);
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}

/* code inherits inside a mono block: the 0.92em inline-code step must not
   shrink block output below the 12.5px floor */
pre code { font-size: inherit; }

@media (max-width: 639px) {
  .block pre { font-size: 12.5px; white-space: pre-wrap; overflow-wrap: anywhere; }
}

.block figcaption {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-top: 0;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 13px;
  line-height: 1.45;
}

.block figcaption .cap { flex: 1 1 12ch; }
.block figcaption .chip { margin-left: auto; }

/* label above a block, sentence case, in Archivo */
.block figcaption.lab {
  margin: 0 0 8px;
  padding: 0;
  border-top: 0;
  color: var(--fg);
  font-size: 14px;
  font-weight: 500;
}

/* command and output lines inside a block */
.cmd { color: var(--fg); font-weight: 500; }
.out { color: var(--dim); font-weight: 400; }
.sig { color: var(--link); font-weight: 500; }

/* the one signature token */
.chip {
  display: inline-block;
  padding: 4px 8px;
  border: 1px solid var(--chip-line);
  border-radius: 0;
  background: transparent;
  color: var(--dim);
  font: 500 11px/1 var(--mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.chip--hot {
  border-color: var(--chip-hot-border);
  background: var(--chip-hot-bg);
  color: var(--chip-hot-fg);
}

/* tables: horizontal rules only, no zebra, no outer box */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.5;
}

th, td {
  padding: 12px 16px 12px 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-variant-numeric: tabular-nums;
}

th {
  color: var(--dim);
  font-size: 13px;
  font-weight: 500;
  border-bottom: 1px solid var(--line-strong);
}

td:last-child, th:last-child { padding-right: 0; }
td code, th code { overflow-wrap: anywhere; }
/* the control ids are the reference scheme a reviewer quotes back, so they never break */
td:first-child code, th:first-child code { overflow-wrap: normal; white-space: nowrap; }

@media (max-width: 480px) {
  th, td { padding-right: 8px; overflow-wrap: anywhere; }
  /* at this width a long literal in a sentence has nowhere else to go */
  .prose code { overflow-wrap: anywhere; }
}

/* ruled lists */
.ruled > li {
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.ruled--mono > li { font-family: var(--mono); font-size: 13px; }
.ruled--mono code, .vocab code { font-size: inherit; }

.cols { columns: 2; column-gap: 32px; }
.cols > li { break-inside: avoid; }

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin: 0;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 13px;
  color: var(--dim);
}

.facts b { color: var(--fg); font-weight: 500; }

.vocab {
  margin: 0;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 13px;
  color: var(--dim);
  overflow-wrap: anywhere;
}

/* definition lists on /controls */
.deflist { margin: 0; }
.deflist dt, .deflist dd, .deflist code { overflow-wrap: anywhere; }
.deflist dt {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--fg);
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.deflist dd {
  margin: 4px 0 12px;
  font-size: 14px;
  color: var(--dim);
}

.install-line {
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  color: var(--fg);
}

.lead { font-size: 19px; line-height: 1.5; color: var(--fg); }
.note { color: var(--dim); font-size: 14px; }
.dim { color: var(--dim); }

.links { display: flex; flex-wrap: wrap; gap: 24px; }
/* the in-page anchor row under the hero */
.secnav { margin-top: 24px; border-top: 1px solid var(--line); gap: 4px 20px; font-size: 15px; }
.links a { padding: 11px 0; }
.links a::after { bottom: 11px; }

.btn {
  display: inline-block;
  padding: 16px 24px;
  border: 1px solid var(--plate-line);
  border-radius: 0;
  background: var(--accent);
  color: var(--plate-ink);
  font: 500 16px/1 var(--sans);
  transition: transform 160ms var(--ease), background-color 160ms var(--ease);
}

/* the secondary action: the same plate, outlined instead of filled */
.btn--ghost {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--fg);
}

/* a primary and a secondary side by side, wrapping to a stack when the column is narrow */
.btns { display: flex; flex-wrap: wrap; gap: 16px; }

.skip {
  position: absolute;
  left: 24px;
  top: 0;
  z-index: 2;
  padding: 12px 16px;
  background: var(--bg-2);
  color: var(--fg);
  border: 1px solid var(--line-strong);
  transform: translateY(-200%);
  transition: transform 160ms var(--ease);
}

footer {
  margin-top: 96px;
  padding: 32px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 14px;
}

footer p { margin: 0 0 16px; }

/* ---------- states ---------- */
a:not(.btn):not(.skip) {
  position: relative;
  display: inline-block;
}

a:not(.btn):not(.skip)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms var(--ease);
}

a:not(.btn):not(.skip):hover::after { transform: scaleX(1); }
a:not(.btn):not(.skip):active { color: var(--link-active); }

.btn:hover { background: var(--btn-hover); transform: translateY(-1px); }
.btn:active { background: var(--btn-active); transform: translateY(0); }
.btn--ghost:hover { background: var(--bg-2); border-color: var(--fg); }
.btn--ghost:active { background: var(--bg-2); border-color: var(--fg); }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 0;
}

.skip:focus { transform: translateY(0); }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
  a:not(.btn):not(.skip)::after { transform: scaleX(1); }
}

/* ---------- print ---------- */
@media print {
  :root {
    --bg: #ffffff;
    --bg-2: #ffffff;
    --code: #ffffff;
    --fg: #000000;
    --dim: #333333;
    --line: #999999;
    --line-strong: #444444;
    --link: #000000;
    --chip-hot-bg: transparent;
    --chip-hot-fg: #000000;
    --chip-hot-border: #444444;
  }

  @page { margin: 14mm; }

  body { background: #ffffff; color: #000000; font-size: 10pt; }
  .wrap { max-width: none; padding: 0; }
  .sec, .sec:nth-of-type(odd) { padding-top: 24px; }
  h1 { font-size: 20pt; }
  h2 { font-size: 13pt; }

  .block pre {
    background: transparent;
    border: 1px solid #999999;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    font-size: 8pt;
  }

  .chip { border-color: #444444; color: #000000; }

  a:not(.btn):not(.skip)[href^="http"]::after,
  a:not(.btn):not(.skip)[href^="/"]::after {
    content: " (" attr(href) ")";
    position: static;
    height: auto;
    background: none;
    transform: none;
    font-size: 8pt;
  }

  .no-print, .skip { display: none; }

  tr, pre, figure, .deflist dt, .deflist dd { page-break-inside: avoid; break-inside: avoid; }
  thead { display: table-header-group; }
}