/* The style of prova.red. The same colours as the checking page: blue for
   the Slip, green for the Stub, orange for the Seal, violet for the Show.
   Colour is never the only sign: every state is also written in words.
   The page loads nothing from anywhere: no font, no script, no image. */

:root {
  --slip: #1d5fbf;
  --stub: #1f7a3f;
  --seal: #b85c00;
  --show: #6b3fa0;
  --bad: #b3261e;
  --text: #1c1b1f;
  --quiet: #5c5c66;
  --line: #d0d0d7;
  --page: #ffffff;
  --card: #f6f6f8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --slip: #8ab4f8;
    --stub: #81c995;
    --seal: #fdba74;
    --show: #c4a7f5;
    --bad: #f28b82;
    --text: #e6e1e5;
    --quiet: #a8a8b3;
    --line: #44444d;
    --page: #121214;
    --card: #1d1d21;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 1rem;
  background: var(--page);
  color: var(--text);
  font: 1rem/1.55 system-ui, sans-serif;
}

main, header, footer { max-width: 46rem; margin: 0 auto; }

h1 { font-size: 1.75rem; margin: 0 0 0.25rem; }
h2 { font-size: 1.2rem; margin: 2.25rem 0 0.5rem; }
h3 { font-size: 1rem; margin: 1.25rem 0 0.25rem; }
p { margin: 0.6rem 0; }
p, li, dd, td, th { overflow-wrap: anywhere; }
.lead { font-size: 1.15rem; margin: 0.25rem 0; }
.motto { color: var(--quiet); font-style: italic; margin-top: 0; }
.quiet { color: var(--quiet); }
.small { font-size: 0.9rem; }

a { color: var(--slip); }

nav a { margin-right: 1rem; }

.button {
  display: inline-block;
  min-height: 2.75rem;
  padding: 0.6rem 1rem;
  margin: 0.5rem 0.5rem 0.25rem 0;
  border: 1px solid var(--slip);
  border-radius: 0.5rem;
  background: var(--slip);
  color: var(--page);
  text-decoration: none;
}
.button.second { background: transparent; color: var(--slip); }
.button:focus-visible { outline: 3px solid var(--seal); outline-offset: 2px; }

.parts { list-style: none; padding: 0; margin: 1rem 0; }
.parts li {
  padding: 0.6rem 0.75rem;
  margin: 0.4rem 0;
  border: 1px solid var(--line);
  border-left: 0.4rem solid var(--line);
  border-radius: 0.5rem;
  background: var(--card);
}
.parts li.slip { border-left-color: var(--slip); }
.parts li.stub { border-left-color: var(--stub); }
.parts li.seal { border-left-color: var(--seal); }
.parts li.show { border-left-color: var(--show); }
.parts strong { display: block; }
.slip .kind { color: var(--slip); }
.stub .kind { color: var(--stub); }
.seal .kind { color: var(--seal); }
.show .kind { color: var(--show); }

.card {
  padding: 0.75rem;
  margin: 0.6rem 0;
  border: 1px solid var(--line);
  border-left: 0.4rem solid var(--line);
  border-radius: 0.5rem;
  background: var(--card);
}
.card.slip { border-left-color: var(--slip); }
.card.seal { border-left-color: var(--seal); }

dl { display: grid; grid-template-columns: minmax(7rem, 10rem) 1fr; gap: 0.15rem 0.75rem; margin: 0.4rem 0 0; }
dt { color: var(--quiet); }
dd { margin: 0; }
@media (max-width: 30rem) {
  dl { grid-template-columns: 1fr; }
  dd { margin-bottom: 0.3rem; }
}

/* The steps of the sample record: one row to a step, stacked on a phone. */
.steps { list-style: none; padding: 0; margin: 0.5rem 0; counter-reset: step; }
.steps li {
  padding: 0.6rem 0.75rem;
  margin: 0.4rem 0;
  border: 1px solid var(--line);
  border-left: 0.4rem solid var(--stub);
  border-radius: 0.5rem;
  background: var(--card);
}
.steps li.outside { border-left-color: var(--bad); }
.steps li.other { border-left-color: var(--line); }
.steps .did { display: block; }
.steps .found { display: block; margin-top: 0.25rem; }
.steps .outside .found { color: var(--bad); }

/* The checker's own words, exactly as printed. */
pre {
  margin: 0.5rem 0;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--card);
  font: 0.85rem/1.45 ui-monospace, monospace;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
code { font-family: ui-monospace, monospace; font-size: 0.9em; }

.answers { list-style: none; padding: 0; margin: 0.5rem 0; }
.answers li {
  padding: 0.5rem 0.75rem;
  margin: 0.3rem 0;
  border: 1px solid var(--line);
  border-left: 0.4rem solid var(--stub);
  border-radius: 0.5rem;
  background: var(--card);
}
.answers li.no { border-left-color: var(--bad); }
.answers strong { display: block; }

/* Drawings: plain SVG with classes, so that the colours follow the theme
   and no style attribute is needed (the pages allow none). */
figure { margin: 1rem 0; }
figure svg { width: 100%; height: auto; display: block; max-width: 30rem; }
figcaption { color: var(--quiet); font-size: 0.9rem; margin-top: 0.4rem; }
.dr { color: var(--text); }
.dr text { font-family: system-ui, sans-serif; fill: currentColor; }
.dr .mute { fill: var(--quiet); }
.dr .warn { fill: var(--bad); }
.dr .box { fill: var(--card); stroke: var(--line); }
.dr .box-slip { fill: var(--card); stroke: var(--slip); }
.dr .box-stub { fill: var(--card); stroke: var(--stub); }
.dr .box-seal { fill: var(--card); stroke: var(--seal); }
.dr .box-show { fill: var(--card); stroke: var(--show); }
.dr .box-plain { fill: none; stroke: currentColor; }
.dr .ink-slip { fill: var(--slip); color: var(--slip); }
.dr .ink-stub { fill: var(--stub); color: var(--stub); }
.dr .ink-seal { fill: var(--seal); color: var(--seal); }
.dr .ink-show { fill: var(--show); color: var(--show); }
.dr .ring { fill: none; stroke: currentColor; }
.dr .ring-slip { fill: var(--card); stroke: var(--slip); }
.dr .ring-stub { fill: var(--card); stroke: var(--stub); }
.dr .ring-show { fill: var(--card); stroke: var(--show); }

.qa p { margin: 0.75rem 0; }
.qa b { display: block; }
.dict p { margin: 0.5rem 0; }

footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--quiet); font-size: 0.9rem; }