:root {
  --cream: #fff8ec;
  --surface: #ffffff;
  --sunshine: #ffc93c;
  --sunshine-soft: #fff1c7;
  --lavender: #eee6fb;
  --charcoal: #2b2b33;
  --muted: #6b6774;
  --border: #efe4d2;
  --danger: #b4472f;
  --danger-soft: #fbe7e1;
  --ok: #2f8a63;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--charcoal);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
}
header a { color: inherit; text-decoration: none; font-weight: 800; }
header nav { display: flex; flex-wrap: wrap; gap: 4px 16px; max-width: 760px; margin: 0 auto; align-items: center; }
header nav .links { display: flex; gap: 12px; margin-left: auto; font-size: 0.9rem; }
header nav .links a { font-weight: 600; color: var(--muted); }

main { max-width: 760px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 1.7rem; line-height: 1.25; margin: 0 0 4px; }
h2 { font-size: 1.2rem; margin: 32px 0 8px; }
h3 { font-size: 1rem; margin: 20px 0 6px; }
p, li { max-width: 68ch; }
a { color: #4c6f99; }
.muted { color: var(--muted); }
.updated { color: var(--muted); margin: 0 0 24px; }
.note {
  background: var(--sunshine-soft);
  border-radius: 12px;
  padding: 12px 16px;
  margin: 16px 0;
}
.warning { background: var(--danger-soft); }
table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 0.95rem; }
th, td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--surface); }
.table-wrap { overflow-x: auto; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  margin: 16px 0;
}
form { display: grid; gap: 12px; margin-top: 8px; }
label { display: grid; gap: 4px; font-weight: 600; font-size: 0.95rem; }
input {
  font: inherit;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: inherit;
}
button {
  font: inherit;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 999px;
  border: 0;
  background: var(--sunshine);
  color: var(--charcoal);
  cursor: pointer;
  justify-self: start;
}
button.danger { background: var(--danger); color: #fff; }
button:disabled { opacity: 0.5; cursor: default; }
.message { min-height: 1.5em; margin: 0; color: var(--danger); }
.message.ok { color: var(--ok); }
footer { max-width: 760px; margin: 0 auto; padding: 0 16px 32px; color: var(--muted); font-size: 0.9rem; }