:root {
  --bg: #f5f4ef;
  --surface: #ffffff;
  --ink: #1e1f21;
  --ink-muted: #56585b;
  --ink-faint: #85878b;
  --line: #e4e2da;
  --accent: #e65516;
  --ok: #1f7a4d;
  --ok-bg: #e7f3ec;
  --no: #b22c1f;
  --no-bg: #f7e9e7;
  --wait: #8a6d1f;
  --wait-bg: #f5efdd;
  --focus: #1b64da;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161719;
    --surface: #1e2022;
    --ink: #f2f2f0;
    --ink-muted: #b4b6b9;
    --ink-faint: #85878b;
    --line: #313336;
    --accent: #ff7a40;
    --ok: #5fd39a;
    --ok-bg: #16281f;
    --no: #ff8a7c;
    --no-bg: #2a1a17;
    --wait: #e8cf86;
    --wait-bg: #272013;
    --focus: #6aa1ff;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-size: 17px;
}
main {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px 20px 64px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.head { display: flex; flex-direction: column; gap: 10px; }
.kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
}
h1 { margin: 0; font-size: 30px; line-height: 1.15; letter-spacing: -0.01em; }
.lede { margin: 0; color: var(--ink-muted); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.card h2 { margin: 0; font-size: 18px; letter-spacing: -0.01em; }
.card p { margin: 0; }
.muted { color: var(--ink-muted); font-size: 15px; }
.opt {
  font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-faint); margin-left: 6px;
}

.file-label {
  display: inline-block;
  align-self: flex-start;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
}
.file-label:hover { border-color: var(--ink-faint); }
input[type="file"] {
  position: absolute;
  width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
input[type="file"]:focus + .file-name,
.file-label:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.file-name { min-height: 0; }
.file-name:empty { display: none; }

button {
  align-self: flex-start;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 9px;
  padding: 11px 20px;
  cursor: pointer;
}
button:hover { filter: brightness(0.96); }
button:disabled { opacity: 0.5; cursor: default; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.result { border-width: 1px; }
.result h2 { font-size: 22px; }
.result h2.v-ok { color: var(--ok); }
.result h2.v-no { color: var(--no); }
.result h2.v-wait { color: var(--wait); }
.result h2.v-input { color: var(--ink); }
.result.result { }
.verdict-line { color: var(--ink-muted); }
.statement {
  padding: 12px 14px;
  background: var(--ok-bg);
  border-radius: 9px;
  color: var(--ink);
}
.caveats {
  font-size: 14px;
  color: var(--ink-muted);
  padding: 10px 14px;
  border-left: 3px solid var(--line);
  background: var(--bg);
  border-radius: 0 8px 8px 0;
}
.meta { font-size: 14px; color: var(--ink-faint); font-variant-numeric: tabular-nums; }
.warnings { margin: 0; padding-left: 20px; color: var(--wait); font-size: 15px; }
.warnings li { margin: 2px 0; }

.copy-result { font-size: 15px; font-weight: 500; }
.copy-result:empty { display: none; }
.c-ok { color: var(--ok); }
.c-no { color: var(--no); }
.c-wait { color: var(--wait); }

.dispute { background: var(--surface); }
.strong-list { margin: 0; padding-left: 20px; color: var(--ink-muted); display: flex; flex-direction: column; gap: 4px; }
a { color: var(--accent); }

.foot { color: var(--ink-faint); font-size: 13px; padding: 0 4px; }
.foot p { margin: 0; }

.hidden { display: none !important; }

@media (max-width: 480px) {
  main { padding: 28px 16px 48px; }
  h1 { font-size: 26px; }
}