:root {
  color-scheme: light dark;
  --bg: #f6f4ef;
  --fg: #1e1b16;
  --muted: #6b655c;
  --line: #d9d3c7;
  --accent: #7a2e2e;
  --ok: #2f6b3a;
  --bad: #9b2c2c;
  --panel: #fffdf8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16140f;
    --fg: #ebe6dc;
    --muted: #a39c8f;
    --line: #3a352c;
    --accent: #d08a7a;
    --ok: #7fc48d;
    --bad: #e08a8a;
    --panel: #1f1c16;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 2rem 1rem 4rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 Georgia, "Times New Roman", serif;
}

main {
  max-width: 40rem;
  margin: 0 auto;
}

header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  font-family: system-ui, sans-serif;
  font-size: 0.95rem;
}

header nav a { color: var(--accent); text-decoration: none; }
header nav a:hover { text-decoration: underline; }

h1 { font-size: 1.9rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.3rem; margin: 2.5rem 0 0.75rem; }

p { margin: 0 0 1rem; }

a { color: var(--accent); }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.25rem;
}

dl.facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.35rem 1rem;
  margin: 0 0 1rem;
}

dl.facts dt { color: var(--muted); }
dl.facts dd { margin: 0; overflow-wrap: anywhere; }

code, .mono {
  font-family: ui-monospace, Consolas, "Courier New", monospace;
  font-size: 0.9em;
}

header nav.tabs a.active { text-decoration: underline; font-weight: 600; }

header .who {
  margin: -1rem 0 1.5rem;
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
}

.actions p:last-child { margin-bottom: 0; }

a.button {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  font-family: system-ui, sans-serif;
  color: #fff;
  background: var(--accent);
  border-radius: 4px;
  text-decoration: none;
}

.landing h1 { margin-top: 0; }
.landing h2 { margin-top: 2rem; }
.landing ul, .landing ol { margin: 0 0 1rem; padding-left: 1.5rem; }
.landing hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }

form label {
  display: block;
  margin: 0 0 1rem;
}

form label span {
  display: block;
  margin-bottom: 0.25rem;
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
}

form input, form textarea {
  width: 100%;
  padding: 0.55rem 0.65rem;
  font: inherit;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
}

form input:focus, form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

form textarea { resize: vertical; }

button {
  padding: 0.6rem 1.2rem;
  font: inherit;
  font-family: system-ui, sans-serif;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 4px;
  cursor: pointer;
}

button:disabled { opacity: 0.5; cursor: default; }

button.quiet {
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--line);
}

.note {
  margin: 1rem 0 0;
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--muted);
  background: var(--panel);
}

.note.ok { border-color: var(--ok); }
.note.bad { border-color: var(--bad); }

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

footer {
  margin-top: 3rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-family: system-ui, sans-serif;
}