:root {
  color-scheme: light dark;
  --bg: #fbfaf8;
  --panel: #ffffff;
  --ink: #1b1a17;
  --muted: #6b6760;
  --line: #e2ded6;
  --accent: #7a4b10;
  --pass: #1f6b3a;
  --block: #9a2b20;
  --undet: #7a5a10;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14130f;
    --panel: #1c1a16;
    --ink: #ece7dd;
    --muted: #9d968a;
    --line: #34302a;
    --accent: #c8913a;
    --pass: #4c9c66;
    --block: #d1685c;
    --undet: #c29a3e;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 16px 64px;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

main, .hero { max-width: 860px; margin: 0 auto; }

.hero { padding: 40px 0 8px; }
.hero h1 { margin: 0 0 6px; font-size: 2rem; letter-spacing: -0.02em; }
.tagline { margin: 0 0 14px; font-size: 1.05rem; }
.tagline em { color: var(--accent); font-style: normal; }
.scope {
  margin: 0;
  padding: 12px 14px;
  border-left: 3px solid var(--accent);
  background: var(--panel);
  color: var(--muted);
}

.panel {
  margin: 22px 0;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.panel h2 { margin: 0 0 14px; font-size: 1.1rem; }
.panel h3 { margin: 20px 0 8px; font-size: 0.95rem; font-weight: 600; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
label { display: flex; flex-direction: column; gap: 4px; font-size: 0.82rem; color: var(--muted); }
.hint { font-weight: 400; opacity: 0.8; }
input, select {
  padding: 8px 10px;
  font: 13px/1.4 var(--mono);
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  min-width: 0;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

button {
  margin-top: 16px;
  padding: 9px 20px;
  font: 600 14px/1 inherit;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}
button:disabled { opacity: 0.5; cursor: default; }

.mono { font-family: var(--mono); font-size: 12px; word-break: break-all; }
.muted { color: var(--muted); }

.arm {
  margin: 0 0 14px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 0.85rem;
}
.arm.good { border-color: var(--pass); }
.arm.bad { border-color: var(--block); }

.verdict {
  margin: 0 0 14px;
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
}
.verdict.pass { background: var(--pass); }
.verdict.block { background: var(--block); }
.verdict.undet { background: var(--undet); }
.verdict small { display: block; margin-top: 4px; font-weight: 400; font-size: 0.8rem; opacity: 0.92; }

#notes p, #manualOut p { margin: 8px 0; font-size: 0.88rem; }
.flag { padding: 8px 12px; border-left: 3px solid var(--undet); background: var(--bg); }

table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 0.86rem; }
th, td { padding: 7px 9px; text-align: left; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
td.set { color: var(--block); font-weight: 600; }
td.unr { color: var(--undet); font-weight: 600; }
td.clear { color: var(--muted); }

.prose p { margin: 10px 0; }
.prose code { font-family: var(--mono); font-size: 0.88em; }
ol.contract { padding-left: 20px; }
ol.contract li { margin: 8px 0; }

@media (max-width: 480px) {
  .hero { padding-top: 28px; }
  .hero h1 { font-size: 1.6rem; }
  .panel { padding: 16px; }
}