:root {
  --bg: #000;
  --surface: #161616;
  --border: #2a2a2a;
  --gold: #c9a961;
  --gold-press: #a38543;
  --text: #fff;
  --muted: #8a8a8a;
  --disabled: #1a1a1a;
  --disabled-fg: #666;
  --error: #e53935;
  --ok: #c9c9c9;
}
[data-theme="light"] {
  --bg: #f5f0e6;
  --surface: #fff;
  --border: #d8d0c4;
  --text: #111;
  --muted: #666;
  --disabled: #ece7dc;
  --disabled-fg: #888;
  --ok: #333;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text);
  font-family: Inter, system-ui, Segoe UI, sans-serif; }
a { color: var(--text); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 20px 20px 32px; }
header.top { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding-bottom: 12px;
  border-bottom: 1px solid var(--border); }
header.top img { height: 28px; width: auto; }
.brand { font-weight: 700; letter-spacing: .08em; font-size: 15px; }
.sub { color: var(--muted); font-size: 12px; letter-spacing: .1em; }
.nav { margin-left: auto; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; font-size: 12px; letter-spacing: .08em; }
.nav a { text-decoration: none; color: var(--muted); }
.nav a:hover { color: var(--text); }
.grid { display: grid; grid-template-columns: 1fr; gap: 20px; margin-top: 20px; }
@media (min-width: 860px) {
  .grid { grid-template-columns: 45fr 55fr; gap: 32px; }
}
label { display: block; font-size: 11px; letter-spacing: .1em; color: var(--muted); margin: 0 0 6px; }
input[type=text], input[type=email], input[type=password], textarea {
  width: 100%; background: var(--surface); color: var(--text); border: 1px solid var(--border);
  border-radius: 0; padding: 10px 12px; font: 15px/1.4 Inter, system-ui, sans-serif; }
textarea { min-height: 220px; font-family: ui-monospace, Consolas, monospace; resize: vertical; }
input:focus, textarea:focus { outline: none; border-color: var(--gold); }
.field { margin-bottom: 14px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.ghost, .gold, button {
  border: 0; cursor: pointer; letter-spacing: .08em; font-weight: 700; font-size: 12px;
  padding: 12px 18px; font-family: inherit; }
.ghost { background: var(--disabled); color: var(--text); }
.gold { background: var(--gold); color: #000; }
.gold:disabled, .gold[aria-disabled="true"] { background: var(--disabled); color: var(--disabled-fg); cursor: default; }
.gold:not(:disabled):hover { background: var(--gold-press); }
.foot { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border);
  display: grid; gap: 12px; }
@media (min-width: 860px) {
  .foot { grid-template-columns: 1fr auto; align-items: end; }
}
.status { min-height: 1.4em; color: var(--muted); font-size: 13px; margin-top: 10px; }
.status.err { color: var(--error); }
.card { max-width: 440px; margin: 48px auto; }
h1 { font-size: 18px; letter-spacing: .08em; }
.hint { color: var(--muted); font-size: 13px; }
.count { float: right; font-size: 11px; letter-spacing: .08em; color: var(--muted); }
.err-border { border-color: var(--error) !important; }
@media (max-width: 420px) {
  .wrap { padding: 14px 12px 24px; }
  header.top { gap: 10px; }
}