:root {
  --bg: #f4f3f8; --card: #fff; --text: #16151c; --muted: #6b6a78; --line: #e4e2ee;
  --accent: #5423e7; --accent-ink: #fff; --err: #b42318; --ok: #067647; --radius: 16px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111016; --card: #1b1a22; --text: #f1f0f7; --muted: #a09fb0; --line: #2d2b38; --err: #ff8a80; --ok: #6ee7b7; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.wrap { max-width: 520px; margin: 0 auto; padding: 8vh 16px 64px; }
.brand { font-weight: 700; letter-spacing: -.01em; margin-bottom: 20px; color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; }
h1 { font-size: 26px; line-height: 1.2; margin: 0 0 8px; letter-spacing: -.01em; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
label { display: block; font-weight: 600; margin: 18px 0 6px; }
.field { position: relative; }
input[type=text], input[type=email] { width: 100%; font: inherit; padding: 12px 14px; min-height: 48px; border-radius: 12px; border: 1px solid var(--line); background: transparent; color: var(--text); }
.suffix { display: flex; align-items: stretch; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.suffix input { border: 0; border-radius: 0; min-width: 0; flex: 1; }
.suffix span { display: flex; align-items: center; padding: 0 12px; color: var(--muted); background: var(--bg); white-space: nowrap; font-size: 14px; }
.hint { font-size: 14px; margin-top: 6px; min-height: 1.4em; }
.hint.ok { color: var(--ok); } .hint.bad { color: var(--err); }
.check { display: flex; gap: 10px; align-items: flex-start; margin-top: 18px; font-weight: 400; }
.check input { width: 24px; height: 24px; margin: 1px 0 0; flex: 0 0 24px; accent-color: var(--accent); }
a { color: var(--accent); }
button { font: inherit; font-weight: 600; min-height: 48px; padding: 12px 22px; border-radius: 12px; border: 0; cursor: pointer; background: var(--accent); color: var(--accent-ink); width: 100%; margin-top: 22px; }
button.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); width: auto; margin-top: 12px; }
button[disabled] { opacity: .6; cursor: progress; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: 2px; }
.err { color: var(--err); margin-top: 12px; min-height: 1.5em; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.token { font-family: ui-monospace, Consolas, monospace; background: var(--bg); padding: 10px 12px; border-radius: 10px; word-break: break-all; }
.list { list-style: none; padding: 0; margin: 16px 0 0; }
.list li { border-top: 1px solid var(--line); padding: 14px 0; display: grid; gap: 4px; }
.badge { display: inline-block; font-size: 13px; font-weight: 600; padding: 2px 10px; border-radius: 999px; background: var(--bg); }
.steps { color: var(--muted); font-size: 14px; margin-top: 18px; }
fieldset.plain { border: 0; padding: 0; margin: 14px 0 0; }
fieldset.plain legend { padding: 0; margin-bottom: 4px; }
fieldset.plain .check { margin-top: 8px; }
.notice { padding: 12px 14px; border-radius: 12px; background: var(--bg); margin: 12px 0; }
.notice.ok { color: var(--ok); } .notice.bad { color: var(--err); }