:root {
  color-scheme: light;
  --bg: #f7f3ea;
  --panel: #fffdf8;
  --ink: #1f1b17;
  --muted: #6f655b;
  --accent: #0c6a6c;
  --accent-strong: #094e50;
  --border: #d8cdbd;
  --error: #8d2d2d;
  --shadow: 0 18px 50px rgba(31, 27, 23, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(12, 106, 108, 0.12), transparent 30%),
    linear-gradient(180deg, #f6efe2 0%, var(--bg) 100%);
  min-height: 100vh;
}

.shell {
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.hero {
  padding: 2rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--accent);
}

h1,
h2 {
  margin: 0 0 0.75rem;
  line-height: 1.1;
}

.lede,
.small,
li,
dd,
dt,
p {
  line-height: 1.5;
}

.lede,
.small,
li,
p,
dd {
  color: var(--muted);
}

ul {
  margin: 0;
  padding-left: 1.25rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.compact-actions {
  margin-top: 0;
}

.stack {
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field span {
  font-weight: 700;
}

.field input {
  width: 100%;
  min-height: 2.8rem;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.split-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font: inherit;
  font-weight: 700;
  min-height: 2.8rem;
  padding: 0.75rem 1.1rem;
  text-decoration: none;
}

.button:hover {
  background: var(--accent-strong);
}

.button-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--ink);
}

.button-secondary:hover {
  background: rgba(12, 106, 108, 0.08);
}

.button-small {
  min-height: 2.2rem;
  padding: 0.5rem 0.9rem;
}

.details {
  display: grid;
  gap: 1rem;
}

.details div {
  display: grid;
  gap: 0.2rem;
}

dt {
  font-weight: 700;
}

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

pre {
  margin: 0;
  padding: 1rem;
  border-radius: 12px;
  background: #f3eee4;
  color: #3a3027;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.audio-shell {
  width: 100%;
  margin-top: 0.5rem;
}

.error {
  border-color: rgba(141, 45, 45, 0.35);
}

.error h2,
.error p {
  color: var(--error);
}

.hidden {
  display: none;
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 1rem, 920px);
    padding-top: 1rem;
  }

  .card,
  .hero {
    padding: 1.2rem;
  }

  .actions {
    flex-direction: column;
  }

  .compact-actions {
    width: 100%;
  }

  .button,
  .button-secondary {
    width: 100%;
  }
}