/* ── Choose Def game styles ── */

.cdef-main {
  max-width: 520px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  color: var(--ink);
}

.cdef-main .back-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 1rem;
}

.cdef-main .back-link:hover {
  color: var(--ink);
}

/* ── Intro screen ── */

.cdef-intro {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.cdef-intro h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
}

.cdef-intro-sub {
  font-size: 1rem;
  color: var(--muted);
  margin: 0 0 0.25rem;
}

.cdef-intro-hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 1.25rem;
  line-height: 1.5;
}

.cdef-rounds-picker {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.cdef-rounds-picker select {
  font: inherit;
  font-size: 0.9rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--ink);
}

/* ── Playing phase ── */

.cdef-progress {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.cdef-progress-text {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

.cdef-progress-track {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: var(--line);
  overflow: hidden;
}

.cdef-progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s ease;
}

/* ── Definition card ── */

.cdef-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
  margin-bottom: 1.25rem;
  min-height: 8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cdef-definition {
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--ink);
  margin: 0;
}

/* ── Choice buttons ── */

.cdef-choices {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cdef-choice {
  display: block;
  width: 100%;
  padding: 0.85rem 1rem;
  font: inherit;
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  border: 2px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.cdef-choice:active {
  transform: scale(0.99);
}

.cdef-choice.correct {
  border-color: #22c55e;
  background: color-mix(in srgb, #22c55e 10%, var(--panel));
  color: #16a34a;
}

.cdef-choice.wrong {
  border-color: var(--warn);
  background: color-mix(in srgb, #ef4444 8%, var(--panel));
  color: #dc2626;
}

.cdef-choice.reveal {
  border-color: #22c55e;
  opacity: 0.7;
}

.cdef-choice.locked {
  pointer-events: none;
}

/* ── Result screen ── */

.cdef-result {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.25rem;
}

.cdef-result h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}

.cdef-score-big {
  font-size: 3rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  margin: 0.25rem 0;
}

.cdef-result-stats {
  font-size: 0.9375rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.cdef-result-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
  max-width: 280px;
}

.cdef-result-actions .quiz-action-btn {
  width: 100%;
}

/* ── Responsive ── */

@media (max-width: 640px) {
  .cdef-main {
    padding: 1rem 0.75rem 2rem;
  }

  .cdef-card {
    padding: 1.5rem 1rem;
    min-height: 6rem;
  }

  .cdef-definition {
    font-size: 1rem;
  }

  .cdef-choice {
    padding: 0.75rem 0.85rem;
    font-size: 0.9375rem;
  }
}

/* ── Hover (desktop only) ── */

@media (hover: hover) {
  .cdef-choice:not(.correct):not(.wrong):not(.reveal):not(.locked):hover {
    border-color: var(--accent);
  }
}