:root {
  --bg: #f6f2e8;
  --panel: rgba(255, 255, 255, 0.9);
  --ink: #18230f;
  --sub: #51624f;
  --line: rgba(24, 35, 15, 0.12);
  --accent: #c96d42;
  --accent-strong: #9f4727;
  --accent-soft: #f3ded2;
  --ok: #1d6b3b;
  --warn: #9c5f10;
  --error: #b63a2b;
  --shadow: 0 18px 50px rgba(24, 35, 15, 0.12);
  --radius: 24px;
  --radius-sm: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Avenir Next", "Hiragino Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(201, 109, 66, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(29, 107, 59, 0.14), transparent 28%),
    linear-gradient(180deg, #f8f6f0 0%, #f2ecdf 100%);
}

body {
  padding: 24px 16px 40px;
}

.shell {
  width: min(100%, 880px);
  margin: 0 auto;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 248, 240, 0.88)),
    var(--panel);
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -48px -48px auto;
  width: 180px;
  height: 180px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(201, 109, 66, 0.2), transparent 70%);
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(28px, 7vw, 44px);
  line-height: 1.05;
}

.lead {
  margin-top: 14px;
  color: var(--sub);
  line-height: 1.7;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.card {
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 24px rgba(24, 35, 15, 0.06);
}

.card p {
  margin-top: 10px;
  color: var(--sub);
  line-height: 1.6;
}

.actions,
.stack {
  display: grid;
  gap: 12px;
}

.actions {
  margin-top: 22px;
}

.button,
button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 14px 18px;
  font: inherit;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover,
button:hover {
  transform: translateY(-1px);
}

.button.primary,
button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 12px 28px rgba(159, 71, 39, 0.28);
}

.button.secondary,
button.secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
}

.surface {
  margin-top: 18px;
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
}

.surface + .surface {
  margin-top: 16px;
}

.label {
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sub);
}

.status {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(24, 35, 15, 0.05);
  color: var(--sub);
  line-height: 1.6;
  white-space: pre-wrap;
}

.status.ok {
  color: var(--ok);
  background: rgba(29, 107, 59, 0.1);
}

.status.warn {
  color: var(--warn);
  background: rgba(156, 95, 16, 0.12);
}

.status.error {
  color: var(--error);
  background: rgba(182, 58, 43, 0.12);
}

#reader {
  overflow: hidden;
  border-radius: 20px;
}

.meta {
  margin-top: 10px;
  color: var(--sub);
  font-size: 14px;
  line-height: 1.6;
}

.summary {
  display: grid;
  gap: 12px;
}

.summary-item {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
}

.summary-item strong {
  display: block;
  margin-bottom: 6px;
}

.inline-link {
  color: var(--accent-strong);
}

.muted {
  color: var(--sub);
}

@media (max-width: 640px) {
  body {
    padding-inline: 12px;
  }

  .hero,
  .surface,
  .card {
    padding: 18px;
  }
}