:root { color-scheme: light dark; --bg: #fbfaf8; --fg: #1d1d1f; --muted: #5f5f66; --line: #e3e1dc; --card: #ffffff; --accent: #2f5bd3; --accent-fg: #ffffff; --done: #1f7a4d; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #151517; --fg: #ececef; --muted: #a2a2ab; --line: #2c2c31; --card: #1d1d21; --accent: #7d9cf0; --accent-fg: #0f1220; --done: #5cc793; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
.top { display: flex; flex-wrap: wrap; gap: 8px 16px; justify-content: space-between; align-items: center; max-width: 720px; margin: 0 auto; padding: 16px; }
.brand { font-weight: 700; letter-spacing: 0.02em; }
main { max-width: 720px; margin: 0 auto; padding: 0 16px 48px; }
h1 { font-size: 1.6rem; margin: 8px 0; }
h2 { font-size: 1.05rem; margin: 0; flex: 1; }
a { color: var(--accent); }
.steps { list-style: none; padding: 0; margin: 24px 0; display: grid; gap: 12px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.step.locked, .step.coming_soon, .step.waiting_operator { opacity: 0.7; }
.step-head { display: flex; align-items: center; gap: 12px; }
.num { width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; font-size: 0.9rem; flex: none; }
.step.done .num { background: var(--done); border-color: var(--done); color: var(--card); }
.step.current { border-color: var(--accent); }
.status { font-size: 0.8rem; color: var(--muted); }
.why { color: var(--muted); margin: 12px 0 8px; }
.item { display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; border-top: 1px solid var(--line); }
.item input { margin-top: 5px; width: 18px; height: 18px; flex: none; accent-color: var(--accent); }
.help { color: var(--muted); font-size: 0.92rem; }
.how { color: var(--muted); padding-left: 20px; margin: 8px 0; }
.how li { margin: 4px 0; }
form + form { margin-top: 8px; }
.note { color: var(--muted); font-size: 0.9rem; }
button.primary { background: var(--accent); color: var(--accent-fg); border: 0; border-radius: 8px; padding: 10px 16px; font: inherit; font-weight: 600; cursor: pointer; margin-top: 8px; }
a.button-link { display: inline-block; border: 1px solid var(--accent); border-radius: 8px; padding: 8px 14px; text-decoration: none; }
button.link { background: none; border: 0; color: var(--accent); font: inherit; cursor: pointer; padding: 0; }
button.secondary { background: none; color: var(--accent); border: 1px solid var(--accent); border-radius: 8px; padding: 8px 14px; font: inherit; cursor: pointer; }
nav.admin { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; font-size: 0.92rem; }
.badge { font-size: 0.75rem; border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; color: var(--muted); }
.badge.warn { border-color: var(--accent); color: var(--accent); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin: 12px 0; }
.card h2 { margin-bottom: 8px; }
.row { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: baseline; }
.muted { color: var(--muted); }
.list { list-style: none; padding: 0; margin: 0; }
.list li { padding: 8px 0; border-top: 1px solid var(--line); }
.list li:first-child { border-top: 0; }
.list li.card { padding: 16px; border: 1px solid var(--line); }
label.field { display: block; margin: 12px 0; }
label.field input { display: block; width: 100%; margin-top: 4px; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--fg); font: inherit; }
.error { color: var(--accent); font-weight: 600; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.88rem; word-break: break-all; }