:root {
  --bg: #0f1012; --card: #17181b; --line: #2a2c31; --text: #e8e6e1; --muted: #9a978f;
  --gold: #c8a23a; --gold-dim: #8f7427; --red: #c0503f; --green: #5f9e62;
  --radius: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.5; }
.top { display: flex; justify-content: space-between; align-items: center; padding: 14px 24px;
  border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; letter-spacing: .12em; color: var(--gold); }
.brand span { color: var(--muted); font-weight: 400; letter-spacing: normal; margin-left: 6px; }
.who { color: var(--muted); font-size: 14px; display: flex; gap: 12px; align-items: center; }
.app { max-width: 980px; margin: 0 auto; padding: 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 24px; margin-bottom: 16px; }
.narrow { max-width: 460px; margin: 8vh auto 0; }
h1 { font-size: 22px; margin: 0 0 8px; }
h2 { font-size: 17px; margin: 0 0 12px; }
p { margin: 8px 0; }
.muted { color: var(--muted); }
.error { color: var(--red); }
.ok { color: var(--green); }
button, .button { font: inherit; border: 1px solid var(--gold-dim); background: var(--gold); color: #111;
  padding: 9px 16px; border-radius: 8px; cursor: pointer; text-decoration: none; display: inline-block; }
button.secondary { background: transparent; color: var(--text); border-color: var(--line); }
button.danger { background: transparent; color: var(--red); border-color: var(--red); }
button:disabled { opacity: .5; cursor: default; }
input[type=text] { font: inherit; background: var(--bg); color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 12px; width: 100%; margin: 6px 0 12px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.tabs { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.tabs button { background: transparent; color: var(--muted); border-color: var(--line); }
.tabs button.active { color: var(--gold); border-color: var(--gold); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; }
.codes { font-family: ui-monospace, monospace; display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 6px 24px; margin: 12px 0; font-size: 16px; }
.perm { display: flex; gap: 8px; align-items: center; margin: 4px 0; font-size: 14px; }
.tag { font-size: 12px; padding: 1px 8px; border-radius: 99px; border: 1px solid var(--line); color: var(--muted); }
.tag.gold { color: var(--gold); border-color: var(--gold-dim); }
.hidden { display: none; }