:root { color-scheme: light dark; --bg: #f3f5f8; --card: #fff; --fg: #1b1f24; --muted: #5c6670; --accent: #d32f2f; --line: #d9dee5; }
@media (prefers-color-scheme: dark) { :root { --bg: #14171b; --card: #1e2227; --fg: #e8ebee; --muted: #9aa4ae; --line: #343a42; } }
* { box-sizing: border-box; }
body { margin: 0; padding: 24px 16px; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.card { max-width: 560px; margin: 0 auto; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 28px 24px; }
h1 { margin: 0 0 8px; font-size: 1.6rem; }
h2 { font-size: 1.1rem; margin: 24px 0 8px; }
.lead { margin: 0 0 20px; color: var(--muted); }
label { display: block; margin: 0 0 14px; font-weight: 600; }
label input:not([type=checkbox]) { display: block; width: 100%; margin-top: 4px; padding: 10px 12px; font: inherit; font-weight: 400; color: inherit; background: transparent; border: 1px solid var(--line); border-radius: 8px; }
label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 0.92rem; color: var(--muted); }
label.check input { margin-top: 5px; }
button { width: 100%; padding: 12px; font: inherit; font-weight: 600; color: #fff; background: var(--accent); border: 0; border-radius: 8px; cursor: pointer; }
button:disabled { opacity: 0.6; cursor: default; }
.msg { min-height: 1.5em; margin: 12px 0 0; }
.msg.ok { color: #2e7d32; }
.msg.err { color: var(--accent); }
.steps ol { padding-left: 20px; margin: 0 0 8px; }
.muted { color: var(--muted); font-size: 0.92rem; }
.smart-captcha { margin: 0 0 14px; min-height: 100px; }
a { color: inherit; }