/**
 * Shared Activity Utilities CSS
 * Common styles used across Grade 1 activity pages
 * Include this after activity.css for activity-specific enhancements
 */

/* ========== PROGRESS INDICATOR (Common Pattern) ========== */

.progress-indicator {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
  border: 2px solid var(--color-primary-light);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  font-family: var(--font-secondary);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
}

.progress-text {
  font-size: var(--text-sm);
  color: var(--color-neutral-600);
}

/* Progress dots (alternative visualization) */
.progress-dots {
  display: flex;
  gap: var(--space-2);
}

.progress-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-neutral-200);
  transition: all 0.2s ease;
}

.progress-dot.completed {
  background: #22c55e;
  transform: scale(1.1);
}

.progress-dot.current {
  background: var(--color-primary);
  transform: scale(1.2);
  box-shadow: 0 0 0 4px rgba(114, 208, 255, 0.3);
}

/* ========== HINT BANNER (Common Pattern) ========== */

.hint-banner {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  border: 2px solid #fbbf24;
  border-radius: var(--radius-lg);
  font-family: var(--font-secondary);
  font-weight: var(--weight-semibold);
  color: #92400e;
  font-size: var(--text-base);
}

.hint-icon {
  font-size: var(--text-xl);
}

.hint-text {
  flex: 1;
}

/* ========== QUESTION DISPLAY (Common Pattern) ========== */

.question-display {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6);
  margin: var(--space-4) auto;
  background: linear-gradient(135deg, #ddd6fe, #c4b5fd);
  border: 4px solid #a78bfa;
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 0 #8b5cf6, 0 12px 24px rgba(167, 139, 250, 0.2);
  max-width: 600px;
  font-family: var(--font-secondary);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: #5b21b6;
}

.equation-part {
  min-width: 50px;
  text-align: center;
}

.equation-operator {
  color: #6d28d9;
  font-size: var(--text-3xl);
}

/* ========== CHOICES CONTAINER (Common Pattern) ========== */

.choices-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin: var(--space-6) auto;
  max-width: 400px;
}

.choices-container.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.choices-container.grid-4 {
  grid-template-columns: repeat(2, 1fr);
}

.choice-btn {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  border: 3px solid var(--color-primary-light);
  border-radius: var(--radius-lg);
  font-family: var(--font-secondary);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 0 var(--color-primary-light);
}

.choice-btn.choice-square {
  min-width: 80px;
}

.choice-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 0 var(--color-primary-light);
  background: linear-gradient(135deg, #bfdbfe, #93c5fd);
}

.choice-btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 2px 0 var(--color-primary-light);
}

.choice-btn:disabled {
  cursor: not-allowed;
}

.choice-btn.correct {
  background: linear-gradient(135deg, #d1fae5, #a7f3d0);
  border-color: #6ee7b7;
  color: #059669;
  animation: pop 0.4s ease;
}

.choice-btn.incorrect {
  background: linear-gradient(135deg, #fecaca, #fca5a5);
  border-color: #f87171;
  color: #dc2626;
  animation: shake 0.5s ease;
}

/* ========== COMMON ANIMATIONS ========== */

@keyframes pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes bounceItem {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ========== FEEDBACK MESSAGE (Positioned at bottom of activity-area) ========== */

.activity-area {
  position: relative;
  /* Ensure enough bottom padding for feedback */
  padding-bottom: calc(var(--space-8) + 60px);
}

.feedback-message {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  margin-top: 0;
  max-width: 90%;
}

/* ========== RESPONSIVE ADJUSTMENTS ========== */

@media (max-width: 767px) {
  .hint-banner {
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-3);
  }

  .hint-icon {
    font-size: var(--text-lg);
  }

  .question-display {
    font-size: var(--text-2xl);
    gap: var(--space-2);
    padding: var(--space-4);
  }

  .equation-operator {
    font-size: var(--text-xl);
  }

  .equation-part {
    min-width: 40px;
  }

  .choices-container {
    gap: var(--space-3);
    max-width: 320px;
  }

  .choice-btn {
    min-height: 70px;
    font-size: var(--text-2xl);
  }

  .choice-btn.choice-square {
    min-width: 70px;
  }

  .feedback-message {
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-3);
  }

  .activity-area {
    padding-bottom: calc(var(--space-6) + 50px);
  }
}

@media (max-width: 400px) {
  .question-display {
    font-size: var(--text-xl);
    gap: var(--space-1);
    padding: var(--space-3);
  }

  .equation-part {
    min-width: 35px;
  }

  .choices-container {
    gap: var(--space-2);
  }

  .choice-btn {
    min-height: 60px;
    font-size: var(--text-xl);
  }

  .choice-btn.choice-square {
    min-width: 60px;
  }
}