:root {
  --bg: #f7f7f5;
  --fg: #1b1b1a;
  --muted: #66665f;
  --card: #ffffff;
  --line: #e0e0d8;
  --accent: #2f6f4f;
  --low: #9aa39c;
  --mid: #c9902f;
  --high: #b8452f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14140f;
    --fg: #ececd8;
    --muted: #9a9a8c;
    --card: #1e1e18;
    --line: #333329;
    --accent: #7fbf9a;
    --low: #5a6058;
    --mid: #d9a441;
    --high: #e0664a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

h1 {
  margin: 0;
  font-size: 1.9rem;
  letter-spacing: -0.02em;
}

.sub, footer p {
  color: var(--muted);
  margin: 0.35rem 0 0;
  font-size: 0.92rem;
}

form { margin: 1.75rem 0 0; }

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: inherit;
  font: 0.95rem/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  resize: vertical;
}

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

.row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 0.85rem;
  flex-wrap: wrap;
}

button {
  padding: 0.55rem 1.4rem;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--bg);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button:disabled { opacity: 0.55; cursor: progress; }

.status { color: var(--muted); font-size: 0.9rem; }

.verdict {
  margin-top: 1.75rem;
  padding: 0.8rem 1rem;
  border-left: 4px solid var(--accent);
  background: var(--card);
  border-radius: 0 8px 8px 0;
  font-weight: 600;
}

.results {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.1rem;
}

.card h2 {
  margin: 0;
  font-size: 1.1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.desc {
  margin: 0.3rem 0 0.85rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.score {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.track {
  flex: 1;
  height: 8px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.fill {
  height: 100%;
  background: var(--low);
  transition: width 0.25s ease;
}

.fill[data-level="mid"] { background: var(--mid); }
.fill[data-level="high"] { background: var(--high); }

.pct {
  min-width: 3ch;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-size: 0.88rem;
  color: var(--muted);
}

.findings {
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.findings li {
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.findings .label { font-weight: 600; }
.findings .count {
  margin-left: 0.45rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.findings .detail,
.findings .positions {
  display: block;
  color: var(--muted);
}
.findings .positions {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
}

.empty { margin: 0.9rem 0 0; color: var(--muted); font-size: 0.9rem; }

.feedback {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.25rem;
  padding: 0.75rem 1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.feedback[hidden] { display: none; }

.feedback button {
  padding: 0.4rem 1rem;
  font-size: 0.9rem;
}

.fb-prompt, .fb-thanks { color: var(--muted); font-size: 0.9rem; }

footer { margin-top: 2.5rem; }