:root {
  --bg: #f4f1ea;
  --panel: #ffffff;
  --ink: #1f1d1a;
  --muted: #6b665d;
  --line: #ddd6c8;
  --accent: #3f7d3a;      /* grass */
  --accent-ink: #ffffff;
  --fix: #c0392b;
  --fix-bg: #fdecea;
  --likely: #b9770e;
  --likely-bg: #fdf3e1;
  --info: #2e6da4;
  --info-bg: #e8f1fa;
  --code-bg: #f0ece3;
  --shadow: 0 1px 0 rgba(0,0,0,.04), 0 6px 20px rgba(0,0,0,.05);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161513;
    --panel: #201f1c;
    --ink: #ece8df;
    --muted: #9c968a;
    --line: #34322d;
    --accent: #5aa752;
    --fix: #ff7b6b;
    --fix-bg: #3a1f1c;
    --likely: #f0b452;
    --likely-bg: #36291a;
    --info: #79b3ec;
    --info-bg: #1a2836;
    --code-bg: #171614;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }

.top { padding: 48px 0 24px; }
h1 {
  margin: 0;
  font-size: clamp(28px, 5vw, 40px);
  letter-spacing: -0.02em;
  display: flex; align-items: center; gap: 14px;
}
.block {
  width: 36px; height: 36px; flex: none;
  background:
    linear-gradient(var(--accent) 0 30%, transparent 30%),
    repeating-linear-gradient(90deg, #8a5a32 0 6px, #7a4f2b 6px 12px);
  box-shadow: inset 0 0 0 2px rgba(0,0,0,.25);
  image-rendering: pixelated;
}
.lede { color: var(--muted); font-size: 18px; max-width: 620px; margin: 12px 0 0; }

.input-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--shadow);
  transition: border-color .15s, box-shadow .15s;
}
.input-card.over { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent); }
.label { display: block; font-weight: 600; margin-bottom: 8px; }
textarea {
  width: 100%;
  min-height: 240px;
  resize: vertical;
  padding: 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--code-bg);
  color: var(--ink);
  font: 13px/1.5 "JetBrains Mono", ui-monospace, Consolas, monospace;
}
textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.shake { animation: shake .3s; }
@keyframes shake { 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 12px; }
.break { flex-basis: 100%; height: 0; }
button, .file {
  font: inherit; cursor: pointer; border-radius: 8px;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  padding: 9px 16px; font-weight: 600;
}
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); padding: 9px 22px; }
button.primary:hover { filter: brightness(1.08); }
.file input { display: none; }
.chip { padding: 5px 12px; font-size: 14px; font-weight: 500; border-radius: 999px; }
.chip:hover, .file:hover { border-color: var(--accent); }
.muted { color: var(--muted); font-size: 14px; }
.privacy { margin: 12px 0 0; font-size: 13px; color: var(--muted); }

#results { margin-top: 28px; scroll-margin-top: 16px; }
.info { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.fact {
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  padding: 6px 12px; font-size: 14px; display: flex; gap: 8px;
}
.fact .k { color: var(--muted); }
.fact .v { font-weight: 600; }

.finding {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 5px solid var(--muted);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}
.finding h3 { margin: 6px 0 4px; font-size: 19px; line-height: 1.3; }
.finding p { margin: 4px 0; }
.finding.fix { border-left-color: var(--fix); }
.finding.likely { border-left-color: var(--likely); }
.finding.info { border-left-color: var(--info); }
.badge {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  padding: 2px 8px; border-radius: 4px;
}
.fix .badge { color: var(--fix); background: var(--fix-bg); }
.likely .badge { color: var(--likely); background: var(--likely-bg); }
.info .badge { color: var(--info); background: var(--info-bg); }
.fixes { margin: 10px 0 4px; padding-left: 20px; }
.fixes li { margin: 4px 0; }
.dl { display: inline-block; margin-top: 6px; font-weight: 600; text-decoration: none; }
details { margin-top: 10px; font-size: 14px; }
summary { cursor: pointer; color: var(--muted); }
details code {
  display: block; margin-top: 6px; padding: 8px 10px; border-radius: 6px;
  background: var(--code-bg); font: 12px/1.5 "JetBrains Mono", monospace;
  white-space: pre-wrap; word-break: break-word;
}

.help { margin: 40px 0 0; }
.help h2 { font-size: 20px; }
.help li { margin: 6px 0; }
.foot { color: var(--muted); font-size: 14px; padding-top: 32px; padding-bottom: 40px; }

@media (max-width: 600px) {
  .top { padding-top: 28px; }
  .actions .muted { width: 100%; margin-top: 6px; }
}