:root {
  color-scheme: light;
  --bg: #f4f1ea;
  --ink: #16201c;
  --muted: #5c675f;
  --card: #fffdf8;
  --line: #ddd6c8;
  --accent: #0f6b4c;
  --accent-ink: #f4fff8;
  --warn: #8a5800;
  --warn-bg: #fff4dd;
  --ok: #0f6b4c;
  --ok-bg: #e7f6ee;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: radial-gradient(circle at top right, #efe7d3, var(--bg) 42%);
  color: var(--ink);
}
.shell {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}
.top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
}
.eyebrow {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--muted);
  margin: 0 0 6px;
  font-family: ui-sans-serif, system-ui, sans-serif;
}
h1, h2 { margin: 0 0 8px; font-weight: 600; }
h1 { font-size: 2rem; max-width: 16ch; }
.muted { color: var(--muted); }
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 12px 32px rgba(40, 32, 16, 0.06);
}
.panel.alerts {
  border-color: #e6d2a8;
  background: linear-gradient(#fffaf0, var(--card));
}
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.row.spread { justify-content: space-between; }
button, .btn {
  font: inherit;
  font-family: ui-sans-serif, system-ui, sans-serif;
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
  min-height: 44px;
}
button.secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.card {
  border-top: 1px solid var(--line);
  padding: 16px 0 4px;
}
.card:first-of-type { border-top: 0; }
.panel + .panel { margin-top: 16px; }
.badge {
  display: inline-block;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--ok-bg);
  color: var(--ok);
  white-space: nowrap;
}
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.muted { background: #eee; color: var(--muted); }
.choices { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.choices button { background: #17352b; }
.correct-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 10px;
}
.correct-actions button {
  padding: 8px 12px;
  min-height: 40px;
  font-size: 0.85rem;
}
.error { color: #8a1f1f; }
#user-slot { font-family: ui-sans-serif, system-ui, sans-serif; font-size: 0.9rem; }
.user-email { word-break: break-word; }
.card strong { overflow-wrap: anywhere; }

@media (max-width: 640px) {
  .shell { padding: 16px 14px 48px; }
  .top {
    flex-direction: column;
    gap: 12px;
    margin-bottom: 18px;
  }
  h1 { font-size: 1.45rem; max-width: none; }
  .panel { padding: 16px; border-radius: 14px; }
  .row.spread { align-items: flex-start; }
  #user-slot { width: 100%; }
  #user-slot .row { width: 100%; }
}