:root {
  --bg: #f6f1e8;
  --ink: #1c1916;
  --muted: #5c534a;
  --copper: #b87333;
  --card: #fffdf8;
  --line: #e4d8c8;
  --danger: #9b2c2c;
}
[data-theme="dark"] {
  --bg: #161310;
  --ink: #f3ebe1;
  --muted: #b7aa9a;
  --copper: #d4a574;
  --card: #1f1b17;
  --line: #3a322a;
  --danger: #f0a0a0;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.45;
}
a { color: var(--copper); }
header.app {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.9rem 1.25rem; border-bottom: 1px solid var(--line);
}
header .brand { font-weight: 700; letter-spacing: 0.02em; }
header .brand span { color: var(--copper); }
main { max-width: 920px; margin: 0 auto; padding: 1.25rem; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 1.1rem 1.2rem; margin-bottom: 1rem;
}
.muted { color: var(--muted); font-size: 0.95rem; }
.row { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; }
input, select, textarea, button {
  font: inherit; border-radius: 8px; border: 1px solid var(--line);
  background: var(--bg); color: var(--ink); padding: 0.55rem 0.75rem;
}
textarea { width: 100%; min-height: 4rem; }
button {
  background: var(--copper); color: #fff; border-color: transparent; cursor: pointer;
}
button.secondary { background: transparent; color: var(--ink); border-color: var(--line); }
button.danger { background: var(--danger); }
button:disabled { opacity: 0.55; cursor: not-allowed; }
.tabs { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 1rem 0; }
.tabs button {
  background: transparent; color: var(--ink); border: 1px solid var(--line);
}
.tabs button.active { background: var(--copper); color: #fff; border-color: transparent; }
.pane { display: none; }
.pane.active { display: block; }
.list { display: grid; gap: 0.55rem; }
.item {
  display: grid; gap: 0.4rem; padding: 0.7rem; border: 1px dashed var(--line); border-radius: 10px;
}
.check { display: flex; gap: 0.6rem; align-items: flex-start; }
.err { color: var(--danger); margin: 0.5rem 0; }
.hidden { display: none !important; }
.privacy li { margin: 0.35rem 0; }
@media (max-width: 640px) {
  header.app { flex-direction: column; align-items: flex-start; }
}