:root {
  color-scheme: light;
  --ink: #1a1a1a;
  --muted: #4a4a4a;
  --line: #d6d6d6;
  --panel: #f7f7f5;
  --accent: #245b4a;
  --warn: #7a3e12;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, #ebe8df 0%, transparent 45%),
    linear-gradient(180deg, #f4f1ea 0%, #e8ebe7 100%);
}

.panel {
  max-width: 40rem;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0 0 1rem;
}

p {
  line-height: 1.5;
  margin: 0 0 1rem;
  color: var(--muted);
}

.hint {
  font-size: 0.95rem;
}

.actions {
  margin: 1.5rem 0 1rem;
}

button {
  appearance: none;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font: inherit;
  padding: 0.7rem 1.1rem;
  cursor: pointer;
}

button:focus-visible {
  outline: 2px solid #000;
  outline-offset: 2px;
}

.status {
  min-height: 1.5rem;
  color: var(--ink);
}

.fallback {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.warn {
  color: var(--warn);
}

.manual {
  display: block;
  width: 100%;
  margin-top: 1rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  background: var(--panel);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.85rem;
  resize: vertical;
}

code {
  font-family: Consolas, "Courier New", monospace;
}