/* thanh trạng thái */
.bar { display: flex; align-items: center; gap: 8px; }
.chip {
  background: #0f2a4f; color: #fff; border-radius: 999px; padding: 6px 14px;
  font-family: var(--font-display); font-weight: 700; font-size: 17px; font-variant-numeric: tabular-nums;
}
.chip.gold { background: #0f2a4f; color: var(--gold); }
.spacer { flex: 1; }
.round-btn {
  width: 44px; height: 44px; border-radius: 50%; background: #8d63d4; color: #fff; font-size: 20px;
  display: grid; place-items: center; box-shadow: 0 3px 0 #5f3fa3;
}
.round-btn[aria-pressed="false"] { background: #9aa7b8; box-shadow: 0 3px 0 #6f7c8d; }
.topbar { display: flex; justify-content: space-between; align-items: center; }
.back { background: transparent; color: var(--ink); font-weight: 800; padding: 8px 4px; font-size: 16px; }
.crumb-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: center; }
.crumb-item { display: flex; align-items: center; }
.crumb-sep { color: var(--ink-soft); padding: 0 2px; font-weight: 800; }
.crumb-link, .crumb-current { min-height: 40px; padding: 0 6px; display: inline-flex; align-items: center; font-size: 16px; }
.crumb-link { background: transparent; color: var(--btn-blue); font-weight: 700; text-decoration: underline; }
.crumb-current { color: var(--ink); font-weight: 800; }
.progress { height: 8px; background: rgba(255,255,255,.7); border-radius: 99px; overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--btn-teal); border-radius: 99px; transition: width .3s; }

.action {
  width: 100%; min-height: 56px; border-radius: 16px; background: var(--ink); color: #fff;
  font-family: var(--font-display); font-weight: 800; font-size: 22px; box-shadow: 0 5px 0 rgba(0,0,0,.28);
}
.action:disabled { background: #9aa7b8; box-shadow: 0 5px 0 #6f7c8d; cursor: default; }
.action.next { background: var(--ok); box-shadow: 0 5px 0 #168a35; }
.action.ghost { background: #fff; color: var(--ink); box-shadow: 0 5px 0 var(--sky-deep); border: 3px solid var(--sky-deep); }
.feedback { font-family: var(--font-display); font-weight: 800; font-size: 22px; min-height: 30px; }
.feedback.ok { color: var(--ok); }
.feedback.no { color: var(--bad); }
.says { display: inline-flex; align-items: center; gap: 8px; background: #fff; border-radius: 999px; padding: 6px 14px; font-size: 16px; font-weight: 700; color: var(--ink-soft); }
.says button { background: var(--btn-blue); color: #fff; width: 34px; height: 34px; border-radius: 50%; }