/* 웹 로그인·패스키 등록 화면 — 운영 도우미와 같은 어두운 색 */
:root { color-scheme: dark; --bg: #0A0C0F; --line: #242B33; --ink: #DCE1E8; --muted: #8B949E; --accent: #58C4DC; --bad: #FF6B6B; }
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", system-ui, sans-serif; -webkit-text-size-adjust: 100%; }
button, input { font: inherit; color: inherit; }
.box { max-width: 420px; margin: 14vh auto 0; padding: 0 16px; }
.box h1 { font-size: 22px; margin: 0 0 8px; }
.box p { color: var(--muted); margin: 0 0 24px; }
.field { display: block; margin: 0 0 14px; }
.field > span { display: block; color: var(--muted); font-size: 14px; margin-bottom: 6px; }
input { width: 100%; background: #07090B; border: 1px solid var(--line); border-radius: 8px; padding: 12px; font-size: 16px; }
input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
input.code { font-size: 32px; letter-spacing: .4em; text-align: center; font-variant-numeric: tabular-nums; }
.btn { width: 100%; min-height: 48px; border: 0; border-radius: 8px; background: var(--accent); color: #071016; font-weight: 600; }
.btn:disabled { opacity: .5; }
.msg { margin: 14px 0 0; min-height: 24px; }
.msg.bad { color: var(--bad); }