/* godolint — what is particular to this site, on top of forkcloser.css:
 * the severity colours, the hero layout, and the annotated Dockerfile. */

:root {
  --error: #a93a2e;
  --warning: #7a5a08;
  --info: #35597a;
  --style: #626a72;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --error: #e6786b;
    --warning: #ddb64b;
    --info: #8fb4d6;
    --style: #8c949c;
  }
}
:root[data-theme="dark"] {
  --error: #e6786b;
  --warning: #ddb64b;
  --info: #8fb4d6;
  --style: #8c949c;
}

.sev-error { --sev: var(--error); --dot: var(--error); }
.sev-warning { --sev: var(--warning); --dot: var(--warning); }
.sev-info { --sev: var(--info); --dot: var(--info); }
.sev-style { --sev: var(--style); --dot: var(--style); }
.sev-ignore { --sev: var(--ink-3); --dot: var(--ink-3); }

/* Hero: copy on the left, the annotated file on the right. */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: var(--s-12);
  align-items: start;
  padding: var(--s-12) 0 var(--s-16);
}
.hero h1 { margin-bottom: var(--s-6); }

/* The annotated Dockerfile. Source lines in mono with a gutter; findings
 * beneath each line in the text face, keyed by a severity rule on the left. */
.lint {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg);
  font-family: var(--mono);
  font-size: var(--text-sm);
}
.lint figcaption {
  display: flex;
  justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-2) var(--s-4);
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
  font-size: var(--text-xs);
}
.lint figcaption span:last-child { color: var(--ink-3); }
.src { list-style: none; margin: 0; padding: var(--s-2) 0; counter-reset: line; }
.src > li { counter-increment: line; max-width: none; }
.src > li > code {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--s-2);
  padding: var(--s-1) var(--s-4) var(--s-1) 0;
  white-space: pre;
  overflow-x: auto;
  background: none;
  border-radius: 0;
  font-size: inherit;
}
.src > li > code::before {
  content: counter(line);
  text-align: right;
  color: var(--ink-3);
}
.diag {
  list-style: none;
  margin: var(--s-1) var(--s-4) var(--s-2) 3rem;
  padding: 0;
  display: grid;
  gap: var(--s-1);
}
.diag li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-3);
  align-items: baseline;
  padding: var(--s-2) var(--s-3);
  border-left: 2px solid var(--sev);
  background: color-mix(in srgb, var(--sev) 7%, var(--bg));
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--sans);
  font-size: var(--text-xs);
  line-height: 1.45;
  color: var(--ink-2);
  max-width: none;
}
.diag > li > span { min-width: 0; }
.diag b { font-family: var(--mono); font-weight: 600; color: var(--sev); white-space: nowrap; }
.diag b small { font-family: var(--sans); font-weight: 500; font-size: 0.85em; margin-left: var(--s-2); color: var(--ink-3); }
.lint .foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-2) var(--s-4);
  border-top: 1px solid var(--line);
  color: var(--ink-2);
  font-size: var(--text-xs);
}

details.raw pre { font-size: var(--text-xs); }

/* Rules tables: the code column in mono, the severity column carries its dot. */
.rules td:first-child { font-family: var(--mono); white-space: nowrap; }
.rules td:first-child a { color: var(--ink); text-decoration: none; }
.rules td:first-child a:hover { color: var(--link); }
.rules td:nth-child(2) { white-space: nowrap; color: var(--sev); }
.rules td:nth-child(2)::before {
  content: "";
  display: inline-block;
  width: 0.55em;
  height: 0.55em;
  border-radius: 50%;
  background: var(--sev);
  margin-right: var(--s-2);
  vertical-align: 0.05em;
}
.rules-more { margin-top: var(--s-4); }

@media (max-width: 820px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: var(--s-8); padding-top: var(--s-8); }
  .diag { margin-left: var(--s-4); }
}

/* On a phone the three columns do not fit, and a 65-row table scrolled
 * sideways is unreadable. Each row reflows: code and severity on one line,
 * the message beneath. The header row is hidden from sight only; the roles
 * on the markup keep it a table for assistive technology, which browsers
 * otherwise drop once a table element is no longer displayed as one. */
@media (max-width: 600px) {
  .rules, .rules tbody, .rules tr, .rules td { display: block; }
  .rules thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
  .rules tr { padding: var(--s-3) 0; border-bottom: 1px solid var(--line); }
  .rules td { padding: 0; border: 0; }
  .rules td:first-child, .rules td:nth-child(2) { display: inline; }
  .rules td:nth-child(2) { margin-left: var(--s-3); }
  .rules td:last-child { margin-top: var(--s-1); max-width: var(--measure); }
  .rules tr:target { background: var(--surface); box-shadow: 0 0 0 var(--s-2) var(--surface); }
  .rules tr:target td { background: none; }
}