.mode-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.game { display: grid; grid-template-columns: minmax(280px, 420px) 1fr; gap: clamp(16px, 3vw, 32px); align-items: start; }
.stage-card { padding: 18px; display: grid; gap: 14px; position: sticky; top: 76px; }
.face { width: 100%; height: auto; border-radius: 18px; background: linear-gradient(180deg, #f7f1fb, #efe5f6); }
.score { display: grid; gap: 8px; }
.score-row { display: flex; justify-content: space-between; align-items: baseline; font-weight: 700; }
.score-row strong { font-family: var(--font-display); font-size: 1.6rem; }
.controls { display: grid; gap: 16px; }
.options { padding: 18px; display: grid; gap: 14px; }
.group h3 { font-family: var(--font-body); font-size: .75rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 8px; }
.range-labels { display: flex; justify-content: space-between; font-size: .78rem; color: var(--ink-soft); font-weight: 600; }
.feedback { padding: 18px; }
.feedback h2 { font-size: 1.15rem; margin-bottom: 10px; }
.feedback ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.feedback li { display: grid; grid-template-columns: 24px 1fr; gap: 8px; font-size: .94rem; }
.feedback li::before { content: attr(data-icon); font-weight: 800; }
.feedback li.good::before { color: var(--good); }
.feedback li.fix::before { color: var(--warn); }
.feedback li.tip::before { color: var(--accent); }
.tip { padding: 16px 18px; }
.tip summary { cursor: pointer; font-weight: 700; }
.tip p { margin-top: 10px; color: var(--ink-soft); font-size: .94rem; }

.challenge { padding: clamp(18px, 4vw, 30px); display: grid; gap: 18px; }
.ch-head { display: grid; gap: 10px; }
.round-label { color: var(--ink-soft); }
.round-label strong { color: var(--ink); }
.ch-body { display: grid; grid-template-columns: minmax(200px, 320px) 1fr; gap: 20px; align-items: center; }
.face.small { max-width: 320px; }
.ch-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.ch-option { min-height: 56px; padding: 12px; border-radius: 16px; border: 1.5px solid var(--line-strong); background: var(--panel); cursor: pointer; font-weight: 700; display: grid; gap: 6px; justify-items: center; text-align: center; transition: border-color .2s, transform .2s var(--ease-out); }
.ch-option:hover:not(:disabled) { border-color: var(--accent); transform: translateY(-2px); }
.ch-option svg { width: 100%; max-width: 150px; border-radius: 12px; background: linear-gradient(180deg, #f7f1fb, #efe5f6); }
.ch-option.right { border-color: var(--good); box-shadow: 0 0 0 3px color-mix(in srgb, var(--good) 30%, transparent); }
.ch-option.wrong { border-color: var(--warn); opacity: .75; }
.ch-option:disabled { cursor: default; }
.ch-feedback { display: grid; gap: 12px; justify-items: start; padding: 14px 16px; border-radius: 16px; background: var(--accent-soft); }
.ch-end { margin-top: 18px; padding: clamp(20px, 4vw, 34px); display: grid; gap: 12px; }
.ch-end .lede { color: var(--ink-soft); }
.win-actions { display: flex; flex-wrap: wrap; gap: 10px; }
@media (max-width: 820px) {
  .game { grid-template-columns: 1fr; }
  .stage-card { top: 64px; z-index: 5; padding: 10px 12px; grid-template-columns: 44% 1fr; align-items: center; }
  .ch-body { grid-template-columns: 1fr; }
  .face.small { max-width: 240px; margin-inline: auto; }
}
.after { margin-top: 24px; display: grid; gap: 16px; }