:root { --bg:#101112; --panel:#16171a; --text:#e9e8e4; --dim:#a3a19b; --line:#2a2b2e; --gold:#c3ad7c; --gold-hover:#e0cfa3; --bad:#e08a86; --good:#7fcf9a; }
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); font: 16px/1.6 "Helvetica Neue", Helvetica, Arial, sans-serif; }
main { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 32px 16px; }
.card { width: min(440px, 100%); background: var(--panel); border: 1px solid var(--line); padding: 32px 28px; }
.brand { font: 400 13px/1 Georgia, serif; letter-spacing: 6px; color: var(--dim); margin: 0 0 20px; }
h1 { margin: 0 0 12px; font: 400 clamp(26px, 6vw, 32px)/1.2 Georgia, "Times New Roman", serif; }
p { margin: 0 0 16px; color: var(--dim); }
form { display: flex; flex-direction: column; gap: 16px; margin-top: 20px; }
form[hidden], [hidden] { display: none !important; }
label { display: block; font-size: 14px; color: var(--dim); margin-bottom: 6px; }
input[type="password"], input[type="text"] { width: 100%; min-height: 48px; padding: 0 14px; font: inherit; font-size: 17px; color: var(--text); background: var(--bg); border: 1px solid #3a3b3f; border-radius: 0; }
input:focus { outline: 2px solid var(--gold); outline-offset: 2px; border-color: var(--gold); }
.show { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--dim); cursor: pointer; margin: 0; }
.show input { width: 18px; height: 18px; accent-color: var(--gold); }
button.go { min-height: 52px; font: inherit; font-size: 16px; font-weight: 600; letter-spacing: 1px; color: var(--bg); background: var(--gold); border: 0; cursor: pointer; }
button.go:hover:not(:disabled) { background: var(--gold-hover); }
button.go:disabled { opacity: .6; cursor: wait; }
#msg { min-height: 24px; margin: 16px 0 0; font-size: 15px; }
#msg[data-kind="error"] { color: var(--bad); }
#msg[data-kind="ok"] { color: var(--good); }
.tick { font-size: 34px; color: var(--good); margin: 0 0 8px; }
.next { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 15px; }