:root {
  color-scheme: light;
  --bg: #f5f1e8;
  --panel: #fffdf8;
  --line: #d9cdb8;
  --ink: #1c1b18;
  --muted: #695f51;
  --accent: #936b2b;
  --accent-strong: #6d4e19;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(147, 107, 43, 0.15), transparent 30%),
    linear-gradient(180deg, #f8f3e7 0%, var(--bg) 100%);
}

.shell {
  max-width: 1040px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.hero {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

h1,
h2 {
  margin: 0 0 12px;
  line-height: 1.05;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
}

h2 {
  font-size: 1.4rem;
}

.lede,
.hint,
dt,
dd,
button,
pre {
  font-family: "Segoe UI", Tahoma, sans-serif;
}

.lede,
.hint {
  max-width: 72ch;
  color: var(--muted);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  margin-bottom: 18px;
  box-shadow: 0 12px 32px rgba(55, 39, 18, 0.06);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

button {
  min-height: 48px;
  border: 1px solid var(--accent-strong);
  background: linear-gradient(180deg, #b48236 0%, var(--accent) 100%);
  color: #fff;
  border-radius: 999px;
  padding: 0 18px;
  cursor: pointer;
  font-size: 0.96rem;
}

button.secondary {
  background: transparent;
  color: var(--accent-strong);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin: 0;
}

.facts div {
  padding: 14px;
  border-radius: 14px;
  background: #f8f3ea;
  border: 1px solid #eadfcf;
}

dt {
  margin-bottom: 4px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

dd {
  margin: 0;
  word-break: break-word;
}

pre {
  margin: 0;
  overflow: auto;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid #eadfcf;
  background: #f8f3ea;
  font-size: 0.92rem;
  line-height: 1.45;
}

@media (max-width: 640px) {
  .shell {
    padding: 24px 14px 36px;
  }
}