.training-scene {
  --reference-ink: var(--ink, #25312b);
  --reference-muted: var(--muted, #66716b);
  --reference-paper: var(--paper, #fbf7ee);
  --reference-surface: var(--surface, #fffdf8);
  --reference-line: var(--line, #d8cebd);
  width: min(calc(100% - 2rem), 720px);
  min-height: min(620px, calc(100vh - 190px));
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2.25rem) 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--reference-ink);
  container-type: inline-size;
}

.training-scene__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  font-family: system-ui, sans-serif;
}

.training-scene__header div { min-width: 0; }
.training-scene__header p { margin: 0 0 0.25rem; overflow-wrap: anywhere; font-size: 0.82rem; font-weight: 800; }
.training-scene__header span { color: var(--reference-muted); font-size: 0.78rem; }
.training-scene__header a {
  flex: 0 0 auto;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--reference-line);
  border-radius: 0.7rem;
  color: var(--reference-ink);
  background: var(--reference-surface);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 750;
}
.training-scene__header a:hover { border-color: var(--reference-green, #315644); }
.training-scene__header a:focus-visible { outline: 3px solid #1268a8; outline-offset: 3px; }

.training-scene__card {
  min-height: 450px;
  padding: clamp(1rem, 3cqw, 1.75rem);
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  border: 1px solid color-mix(in srgb, var(--reference-line) 82%, transparent);
  border-radius: 1rem;
  background: var(--reference-surface);
  box-shadow: 0 9px 26px rgba(55, 45, 32, 0.07);
}

.training-scene__status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--reference-muted);
  font-family: system-ui, sans-serif;
  font-size: 0.78rem;
}
.training-scene__stage {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--reference-ink);
  font-weight: 800;
}
.training-scene__stage > span { overflow-wrap: anywhere; }
.training-stage-icon {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: block;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--reference-line) 86%, transparent);
  border-radius: 0.65rem;
  color: #b5842d;
  background: var(--reference-paper);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.42);
}
.training-stage-icon ellipse,
.training-stage-icon > path:not(.training-stage-icon__soil):not(.training-stage-icon__accent) {
  fill: none;
  stroke: #56391f;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.training-stage-icon .training-stage-icon__soil { fill: #b97850; stroke: none; }
.training-stage-icon .training-stage-icon__ground { fill: none; stroke: #895438; stroke-width: 1.2; }
.training-stage-icon .training-stage-icon__leaf { fill: #a3a262; stroke: #56391f; }
.training-stage-icon .training-stage-icon__root { fill: none; stroke: #fff7e8; }
.training-scene__stage[data-training-stage="master"] { color: #9a6a20; }
.training-scene__stage[data-training-stage="master"] .training-stage-icon { border-color: #c89b48; }

.training-scene__content { min-height: 0; display: flex; flex: 1; flex-direction: column; }

.reference-choice {
  --reference-ink: var(--ink, #25312b);
  --reference-muted: var(--muted, #66716b);
  --reference-paper: var(--paper, #fbf7ee);
  --reference-line: var(--line, #d8cebd);
  --reference-green: var(--green, #315644);
  --reference-green-soft: var(--green-soft, #dce7dd);
  --reference-wrong: var(--terracotta-dark, #843b2c);
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
  gap: clamp(1.25rem, 4cqw, 2.3rem);
  min-height: 300px;
  padding: 1rem 0 clamp(1.75rem, 6cqw, 3.25rem);
  color: var(--reference-ink);
}

.reference-choice--long { justify-content: flex-start; padding-bottom: 0; }

.chapter-verse-choice { gap: clamp(0.8rem, 2.2cqw, 1.25rem); }
.chapter-verse-choice__book { margin: 0; color: var(--reference-green); font-family: Georgia, "Noto Serif KR", serif; font-size: clamp(1.2rem, 3.4cqw, 1.7rem); font-weight: 800; text-align: center; }

.reference-choice__passage {
  margin: 0;
  padding: clamp(1rem, 3cqw, 1.45rem);
  border-radius: 0.9rem;
  background: var(--reference-paper);
  font-family: Georgia, "Noto Serif KR", "Apple SD Gothic Neo", serif;
  font-size: clamp(1.08rem, 2.8cqw, 1.4rem);
  line-height: 1.9;
  text-align: center;
  white-space: pre-wrap;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.reference-choice__options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.reference-choice__option {
  position: relative;
  min-width: 0;
  min-height: 58px;
  display: grid;
  grid-template-columns: 1.7rem minmax(0, 1fr);
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem;
  border: 1px solid var(--reference-line);
  border-radius: 0.8rem;
  color: var(--reference-ink);
  background: #fffef9;
  cursor: pointer;
  font-family: system-ui, sans-serif;
  line-height: 1.5;
  text-align: left;
}

.reference-choice__option:hover:not(:disabled) {
  border-color: var(--reference-green);
  background: var(--reference-green-soft);
}

.reference-choice__option:focus-visible {
  outline: 3px solid #1268a8;
  outline-offset: 3px;
}

.reference-choice__option:disabled { cursor: default; }
.reference-choice__option.is-selected { box-shadow: inset 0 0 0 1px currentColor; }
.reference-choice__option.is-correct { border-color: var(--reference-green); color: var(--reference-green); background: var(--reference-green-soft); }
.reference-choice__option.is-wrong { border-color: var(--reference-wrong); color: var(--reference-wrong); background: #f8e7df; }

.reference-choice__number {
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 0.42rem;
  color: var(--reference-muted);
  background: var(--reference-paper);
  font-size: 0.72rem;
  font-weight: 800;
}

.is-correct .reference-choice__number { color: white; background: var(--reference-green); }
.is-wrong .reference-choice__number { color: white; background: var(--reference-wrong); }
.reference-choice__state { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@container (max-width: 520px) {
  .training-scene { width: min(calc(100% - 1.25rem), 720px); min-height: 0; padding: 0.75rem 0; justify-content: flex-start; }
  .training-scene__header { margin-bottom: 0.65rem; }
  .training-scene__header p { font-size: 0.72rem; }
  .training-scene__header span,
  .training-scene__header a,
  .training-scene__status { font-size: 0.7rem; }
  .training-scene__stage { gap: 0.4rem; }
  .training-stage-icon { width: 28px; height: 28px; border-radius: 0.52rem; }
  .training-scene__header a { padding: 0.45rem 0.65rem; }
  .training-scene__card { min-height: 0; padding: 0.8rem; }

  .reference-choice {
    justify-content: flex-start;
    gap: 1rem;
    min-height: 0;
    padding: 0;
  }

  .reference-choice__passage {
    padding: 0.85rem;
    font-size: 0.95rem;
    line-height: 1.75;
  }

  .reference-choice__options { grid-template-columns: 1fr; gap: 0.55rem; }
  .reference-choice__option { min-height: 50px; padding: 0.7rem 0.75rem; }
}

@media (prefers-reduced-motion: no-preference) {
  .reference-choice__option { transition: border-color 150ms ease, background-color 150ms ease, box-shadow 150ms ease; }
}