/* ===============================
   GAME: ¿Cómo aplicarlas? — Verdadero o Falso
   Table-style layout with V/F buttons
   =============================== */

/* ── Header row ── */
.tf-table {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--spacing-xl);
  box-shadow: 0 4px 16px rgba(61,40,18,0.08);
}

.tf-table__header {
  display: grid;
  grid-template-columns: 1fr 180px 1fr;
  background: var(--gradient-accent);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tf-header__statement,
.tf-header__vf,
.tf-header__feedback {
  padding: var(--spacing-md) var(--spacing-lg);
}

.tf-header__vf {
  text-align: center;
  border-left: 1px solid rgba(255,255,255,0.2);
  border-right: 1px solid rgba(255,255,255,0.2);
}

/* ── Table rows ── */
.tf-table__body {
  display: flex;
  flex-direction: column;
}

.tf-row {
  display: grid;
  grid-template-columns: 1fr 180px 1fr;
  align-items: center;
  border-top: 1.5px solid var(--color-border);
  transition: background var(--transition-fast);
  animation: gameFadeUp 350ms var(--ease-out-expo, ease) both;
}

.tf-row:nth-child(even) {
  background: rgba(212,145,74,0.04);
}

.tf-row:first-child {
  border-top: none;
}

/* ── Statement ── */
.tf-row__statement {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  line-height: var(--line-height-relaxed);
  font-style: italic;
}

/* ── V / F buttons ── */
.tf-row__controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm);
  border-left: 1.5px solid var(--color-border);
  border-right: 1.5px solid var(--color-border);
}

.tf-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  width: 100%;
  padding: 7px var(--spacing-md);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  font-family: inherit;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), background var(--transition-fast),
              transform var(--transition-fast), box-shadow var(--transition-fast);
}

.tf-btn:hover:not([disabled]) {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(212,145,74,0.18);
}

.tf-btn__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-extrabold);
}

.tf-btn--v .tf-btn__icon {
  background: rgba(16,185,129,0.14);
  color: #065f46;
}

.tf-btn--f .tf-btn__icon {
  background: rgba(239,68,68,0.12);
  color: var(--color-danger);
}

.tf-btn--v:hover:not([disabled]) {
  border-color: var(--color-success);
  background: rgba(16,185,129,0.06);
}

.tf-btn--f:hover:not([disabled]) {
  border-color: var(--color-danger);
  background: rgba(239,68,68,0.06);
}

/* ── After answering ── */
.tf-btn--done {
  cursor: not-allowed;
  opacity: 0.7;
}

.tf-btn--correct {
  border-color: var(--color-success) !important;
  background: rgba(16,185,129,0.12) !important;
  opacity: 1 !important;
  color: #065f46 !important;
}

.tf-btn--correct .tf-btn__icon {
  background: var(--color-success);
  color: #fff;
}

.tf-btn--incorrect {
  border-color: var(--color-danger) !important;
  background: rgba(239,68,68,0.10) !important;
  opacity: 1 !important;
  color: var(--color-danger) !important;
  animation: quizShake 350ms ease both;
}

.tf-btn--incorrect .tf-btn__icon {
  background: var(--color-danger);
  color: #fff;
}

/* Correct answer revealed after wrong pick */
.tf-btn--show-correct {
  border-color: var(--color-success) !important;
  background: rgba(16,185,129,0.08) !important;
  opacity: 1 !important;
  color: #065f46 !important;
}

.tf-btn--show-correct .tf-btn__icon {
  background: var(--color-success);
  color: #fff;
}

/* ── Feedback column ── */
.tf-row__feedback {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 300ms ease, transform 300ms ease;
  font-style: italic;
}

.tf-row__feedback--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Submit row ── */
.tf-submit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.tf-counter {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */

/* Tablets (≤ 768px) */
@media (max-width: 768px) {
  .tf-table__header {
    grid-template-columns: 1fr 140px 1fr;
  }

  .tf-row {
    grid-template-columns: 1fr 140px 1fr;
  }

  .tf-row__statement {
    font-size: var(--font-size-sm);
  }
}

/* Phones (≤ 640px) — stack into cards */
@media (max-width: 640px) {
  .tf-table__header {
    display: none; /* hide header on mobile, labels are on buttons */
  }

  .tf-row {
    grid-template-columns: 1fr;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
    border: 1.5px solid var(--color-border);
    border-top: 1.5px solid var(--color-border) !important;
    overflow: visible;
    box-shadow: 0 2px 8px rgba(61,40,18,0.06);
  }

  .tf-row__controls {
    flex-direction: row;
    justify-content: center;
    border-left: none;
    border-right: none;
    border-top: 1.5px solid var(--color-border);
    border-bottom: 1.5px solid var(--color-border);
    padding: var(--spacing-md);
    gap: var(--spacing-md);
  }

  .tf-btn {
    flex: 1;
    justify-content: center;
  }

  .tf-row__feedback {
    border-top: 1.5px dashed var(--color-border);
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .tf-submit-row {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .tf-table {
    border: none;
    box-shadow: none;
  }

  .tf-table__body {
    gap: var(--spacing-xs);
  }
}