:root {
  --bg: #fdf6ec; --card: #ffffff; --ink: #3b2f2a; --muted: #7a6a60; --line: #eadfce;
  --accent: #b5562f; --accent-ink: #ffffff; --soft: #f3e7d6; --ok: #3d7a4a; --warn: #b3261e; --warn-bg: #fbe3dc;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1f1a17; --card: #2a2420; --ink: #f1e8df; --muted: #b9a998; --line: #3d342d;
    --accent: #e08a5f; --accent-ink: #1f1a17; --soft: #3a312b; --ok: #7fc48d; --warn: #ff8b82; --warn-bg: #43211e;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.5 system-ui, "Segoe UI", Roboto, sans-serif; }
h1 { font-size: 1.6rem; margin: 0 0 .4rem; }
h2 { font-size: 1.25rem; margin: 0 0 .6rem; }
h3 { font-size: 1.05rem; margin: 1.2rem 0 .4rem; }
p { margin: .4rem 0 .8rem; }
a { color: var(--accent); }
.muted { color: var(--muted); font-size: .95rem; }
.hidden { display: none !important; }
.center { text-align: center; }
.wrap { max-width: 560px; margin: 0 auto; padding: 24px 16px 48px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px; margin: 14px 0; }
label { display: block; font-weight: 600; margin: 12px 0 4px; }
input[type=text], input[type=email], input[type=tel], input[type=number], select, textarea {
  width: 100%; padding: 12px 14px; font: inherit; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 12px;
}
textarea { min-height: 160px; resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }
button, .btn {
  display: inline-block; padding: 12px 20px; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  color: var(--accent-ink); background: var(--accent); border: 0; border-radius: 12px; margin: 6px 6px 6px 0;
}
button.secondary, .btn.secondary { color: var(--ink); background: var(--soft); }
button.danger { background: var(--warn); color: #fff; }
button.small { padding: 6px 12px; font-size: .9rem; margin: 0; }
button:disabled { opacity: .55; cursor: default; }
.msg { padding: 10px 14px; border-radius: 12px; margin: 10px 0; background: var(--soft); }
.msg.error { background: var(--warn-bg); color: var(--warn); }
.msg.ok { color: var(--ok); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row > .grow { flex: 1 1 200px; }
.brand { font-weight: 700; letter-spacing: .2px; }