:root { --bg: #14100c; --panel: #1f1912; --line: #4a3a26; --gold: #e2c27a; --text: #f3e9d2; --muted: #b8a888; --ok: #7fd49a; --bad: #f2a08a; }
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(ellipse at top, #2a2015, var(--bg) 60%); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; min-height: 100vh; }
.hero { text-align: center; padding: 48px 16px 24px; }
.eyebrow { margin: 0; letter-spacing: .3em; text-transform: uppercase; font-size: 12px; color: var(--gold); }
h1 { margin: 6px 0 8px; font: 600 52px/1.1 Georgia, "Times New Roman", serif; color: var(--gold); }
.lead { max-width: 520px; margin: 0 auto; color: var(--muted); }
.address { margin-top: 12px; font-size: 14px; color: var(--muted); }
code { color: var(--gold); }
main { max-width: 520px; margin: 0 auto; padding: 0 16px 32px; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.tab { flex: 1; min-width: 120px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: transparent; color: var(--muted); font: inherit; font-size: 14px; cursor: pointer; }
.tab.active { border-color: var(--gold); color: var(--text); background: #2a2116; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
form { display: grid; gap: 14px; }
label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
input { padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line); background: #110d09; color: var(--text); font: inherit; }
input:focus { outline: 2px solid var(--gold); outline-offset: 1px; }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; display: flex; gap: 18px; color: var(--muted); font-size: 14px; }
legend { padding: 0 4px; }
label.inline { display: inline-flex; align-items: center; gap: 6px; color: var(--text); }
small { color: var(--muted); font-size: 12px; }
.primary { padding: 12px; border: 0; border-radius: 10px; background: linear-gradient(#f1d68f, #c9a04a); color: #1d1408; font: 600 16px system-ui, sans-serif; cursor: pointer; }
.primary:disabled { opacity: .6; cursor: wait; }
.note { margin: 0; font-size: 13px; color: var(--muted); }
.result { margin: 0; min-height: 1.5em; font-size: 14px; }
.result.ok { color: var(--ok); }
.result.bad { color: var(--bad); }
.trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.steps { margin: 0; padding-left: 20px; display: grid; gap: 10px; }
.steps a, footer a { color: var(--gold); }
footer { text-align: center; font-size: 12px; color: var(--muted); padding: 16px 16px 32px; }
.small-head { margin: 18px 0 8px; font-size: 15px; color: var(--gold); }