:root {
  --bg: #f6f4ef;
  --card: #ffffff;
  --text: #1b2430;
  --muted: #5c6b7a;
  --line: #d9dde3;
  --accent: #1e4fd6;
  --accent-soft: #e8eefc;
  --locked: #b0b8c4;
  --done: #1f9d63;
  --sans: "Fraunces", "Georgia", "Segoe UI", serif;
  --ui: "Segoe UI", system-ui, sans-serif;
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--ui); background: var(--bg); color: var(--text);
  line-height: 1.55; min-height: 100vh;
}
.shell-wiz-app { max-width: 820px; margin: 0 auto; padding: 1.75rem 1.25rem 3rem; }
.shell-wiz-brand {
  font-family: var(--ui); font-size: 0.72rem; letter-spacing: 0.16em; font-weight: 700;
  text-transform: uppercase; color: var(--muted); display: flex; gap: 0.5rem; align-items: center;
}
.shell-wiz-mark {
  display: inline-flex; width: 1.4rem; height: 1.4rem; align-items: center; justify-content: center;
  background: var(--accent); color: #fff; border-radius: 999px; font-size: 0.75rem; letter-spacing: 0;
}
.shell-wiz-nav { display: flex; gap: 1rem; margin: 0.85rem 0; font-family: var(--ui); }
.shell-wiz-nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.shell-wiz-head h1 { font-family: var(--sans); font-size: 1.85rem; margin: 0.2rem 0; font-weight: 650; }
.shell-wiz-intro { color: var(--muted); margin: 0 0 1.25rem; }
.shell-wiz-rail {
  list-style: none; margin: 0 0 1.25rem; padding: 0; display: flex; flex-wrap: wrap; gap: 0.45rem;
}
.shell-wiz-rail li {
  font-size: 0.78rem; padding: 0.35rem 0.65rem; border-radius: 999px; border: 1px solid var(--line);
  color: var(--locked); background: #efece6;
}
.shell-wiz-rail li[data-state="active"] { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); font-weight: 700; }
.shell-wiz-rail li[data-state="done"] { border-color: var(--done); color: var(--done); }
.shell-wiz-stage .shell-wiz-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.35rem 1.4rem; box-shadow: 0 8px 24px rgba(27,36,48,0.06); min-height: 220px;
}
.shell-wiz-controls { display: flex; justify-content: space-between; margin-top: 1rem; gap: 0.75rem; }
.shell-wiz-controls button {
  font: inherit; padding: 0.55rem 1.1rem; border-radius: 8px; cursor: pointer; border: 1px solid var(--line);
}
.shell-wiz-controls .accent { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 700; }
.shell-wiz-controls .accent:disabled, .shell-wiz-controls .ghost:disabled { opacity: 0.45; cursor: not-allowed; }
.shell-wiz-controls .ghost { background: transparent; }