/* ─── Flashcard Page ──────────────────────────────────── */
.fc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  max-width: 680px;
  margin: 0 auto;
}

/* Progress strip */
.fc-progress-strip {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.fc-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.fc-dot.easy    { background: var(--color-success); }
.fc-dot.hard    { background: var(--color-warning); }
.fc-dot.again   { background: var(--color-danger); }
.fc-dot.current { background: var(--color-primary); box-shadow: 0 0 0 2px var(--color-primary-bg); }

.fc-progress-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-left: auto;
  white-space: nowrap;
}

/* 3D Flip Card */
.fc-card-wrap {
  perspective: 1200px;
  height: 380px;
  cursor: pointer;
  user-select: none;
}

.fc-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.fc-card-wrap.flipped .fc-card-inner {
  transform: rotateY(180deg);
}

.fc-card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.fc-card-back {
  transform: rotateY(180deg);
  align-items: flex-start;
  text-align: left;
  overflow-y: auto;
  justify-content: flex-start;
  padding-top: var(--space-6);
}

/* Front face */
.fc-word {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.fc-pronunciation {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--space-4);
}

.fc-pos {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
}

.fc-pronounce-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-4);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-primary-light);
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 2;
}

.fc-pronounce-btn:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.fc-flip-hint {
  position: absolute;
  bottom: var(--space-4);
  font-size: 0.75rem;
  color: var(--color-text-faint);
}

/* Back face */
.fc-definition {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  font-weight: 500;
}

.fc-section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-1);
}

.fc-example {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: var(--space-5);
  padding-left: var(--space-3);
  border-left: 3px solid var(--color-primary-light);
}

.fc-mnemonic {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  background: var(--color-surface-hover);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-bottom: var(--space-4);
  width: 100%;
}

.fc-synonyms {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

/* Answer buttons */
.fc-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.fc-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.fc-btn-again {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}
.fc-btn-again:hover { background: var(--color-danger); color: #FFF; }

.fc-btn-hard {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}
.fc-btn-hard:hover { background: var(--color-warning); color: #FFF; }

.fc-btn-easy {
  background: var(--color-success-bg);
  color: var(--color-success);
}
.fc-btn-easy:hover { background: var(--color-success); color: #FFF; }

.fc-btn-key {
  font-size: 0.7rem;
  opacity: 0.7;
  font-weight: 400;
}

/* Session complete */
.fc-complete {
  text-align: center;
  padding: var(--space-16) var(--space-8);
}

.fc-complete-icon {
  font-size: 4rem;
  margin-bottom: var(--space-4);
}

.fc-stats-row {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin: var(--space-6) 0;
}

.fc-stat {
  text-align: center;
}

.fc-stat-val {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
}

.fc-stat-lbl {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Deck setup */
.fc-setup {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
}

.fc-setup-options {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin: var(--space-6) 0;
}

.fc-filter-btn {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.fc-filter-btn.active, .fc-filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-bg);
}