/* One stylesheet, same origin, no web font.
 *
 * The type is whatever the reader's system provides. A font from another origin
 * would be a request to somewhere else, and the claim this page makes is that
 * there are none. */

:root {
  --bg: #fbfbf9;
  --fg: #17181a;
  --muted: #5b6068;
  --rule: #d9d8d2;
  --panel: #ffffff;
  --accent: #1d4f3f;
  --bad: #7a2222;
  --warn: #6b4a12;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --fg: #e7e8ea;
    --muted: #9aa1ab;
    --rule: #2c3138;
    --panel: #1b1e24;
    --accent: #7fd4b4;
    --bad: #f0a0a0;
    --warn: #e2c489;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  max-width: 46rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 ui-serif, Georgia, 'Times New Roman', serif;
}

h1 {
  margin: 0 0 0.25rem;
  font-size: 2rem;
  letter-spacing: -0.01em;
}

h2 {
  margin: 2.5rem 0 0.5rem;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 600;
}

.lede {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
}

.privacy,
.hint,
#examples-note,
footer {
  color: var(--muted);
  font-size: 0.9rem;
}

a {
  color: inherit;
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  position: static;
  display: inline-block;
  margin-bottom: 1rem;
}

/* Examples ---------------------------------------------------------------- */

.examples {
  display: grid;
  gap: 0.5rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.example {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.7rem 0.85rem;
  text-align: left;
  background: var(--panel);
  color: inherit;
  border: 1px solid var(--rule);
  border-radius: 3px;
  cursor: pointer;
  font: inherit;
}

.example:hover {
  border-color: var(--accent);
}

.example-label {
  font-weight: 600;
}

.example-detail {
  color: var(--muted);
  font-size: 0.82rem;
}

/* Files ------------------------------------------------------------------- */

.drops {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.drop {
  padding: 0.85rem;
  background: var(--panel);
  border: 1px dashed var(--rule);
  border-radius: 3px;
}

.drop.over {
  border-color: var(--accent);
  border-style: solid;
}

.drop label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.drop input[type='file'] {
  max-width: 100%;
  font: inherit;
  font-size: 0.85rem;
}

.chosen {
  margin: 0.4rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.controls {
  display: flex;
  gap: 0.5rem;
  margin: 1rem 0 0;
}

button:not(.example) {
  padding: 0.5rem 1.4rem;
  font: inherit;
  font-weight: 600;
  color: var(--bg);
  background: var(--fg);
  border: 1px solid var(--fg);
  border-radius: 3px;
  cursor: pointer;
}

button:not(.example):disabled {
  opacity: 0.4;
  cursor: default;
}

#cancel {
  color: var(--fg);
  background: transparent;
}

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

/* Verdict ----------------------------------------------------------------- */

.verdict {
  margin-top: 2rem;
  padding: 1.1rem 1.25rem;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-left-width: 4px;
  border-radius: 3px;
}

.verdict.ok {
  border-left-color: var(--accent);
}

.verdict.not-ok {
  border-left-color: var(--bad);
}

.verdict.too-large,
.verdict.internal {
  border-left-color: var(--warn);
}

.verdict .idle,
.verdict .state {
  margin: 0;
  color: var(--muted);
}

.verdict .word {
  margin: 0 0 0.6rem;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.verdict.ok .word {
  color: var(--accent);
}

.verdict.not-ok .word {
  color: var(--bad);
}

.verdict.too-large .word,
.verdict.internal .word {
  color: var(--warn);
  font-size: 1.2rem;
}

.facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.15rem 1rem;
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
}

.facts dt {
  color: var(--muted);
}

.facts dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.detail {
  margin: 0 0 0.5rem;
  font-size: 0.92rem;
}

pre {
  margin: 0;
  padding: 0.6rem 0.75rem;
  overflow-x: auto;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 3px;
}

code {
  font: 0.85rem/1.5 ui-monospace, 'Cascadia Code', Consolas, monospace;
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
}

footer p {
  margin: 0 0 0.35rem;
}