.tool-container {
  max-width: 1000px;
  margin: 0 auto;
}

/* Input Section */
.input-section {
  background: var(--bg-primary);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.input-section h3 {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
  text-align: center;
}

#textInput {
  width: 100%;
  min-height: 250px;
  padding: 1rem;
  border: 2px solid rgba(102, 126, 234, 0.2);
  border-radius: var(--border-radius);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: 'Georgia', 'Times New Roman', serif;
  line-height: 1.6;
  transition: var(--transition);
  resize: vertical;
}

#textInput:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.text-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.action-button {
  padding: 0.75rem 1.5rem;
  background: var(--bg-secondary);
  border: 2px solid rgba(102, 126, 234, 0.2);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.action-button:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* Statistics Section */
.stats-section {
  background: var(--bg-primary);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.stats-section h3 {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.stat-card {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(240, 147, 251, 0.1));
  border-radius: var(--border-radius);
  padding: 1.5rem;
  text-align: center;
  border: 1px solid rgba(102, 126, 234, 0.1);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.stat-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-family: 'Courier New', monospace;
}

.stat-label {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.stat-detail {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Analysis Section */
.analysis-section {
  background: var(--bg-primary);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.analysis-section h3 {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
  text-align: center;
}

.analysis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.analysis-card {
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  border: 1px solid rgba(102, 126, 234, 0.1);
}

.analysis-card h4 {
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.word-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.word-item {
  display: inline-flex;
  align-items: center;
  background: var(--primary-color);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

.word-count {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.125rem 0.5rem;
  border-radius: 10px;
  margin-left: 0.5rem;
  font-size: 0.75rem;
}

.complexity-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.complexity-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(102, 126, 234, 0.1);
}

.complexity-item:last-child {
  border-bottom: none;
}

.complexity-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.complexity-value {
  color: var(--text-primary);
  font-weight: 600;
  font-family: 'Courier New', monospace;
}

.empty-state {
  color: var(--text-secondary);
  font-style: italic;
  padding: 1rem;
  text-align: center;
  display: block;
}

/* Animations */
@keyframes countUp {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.stat-value.updating {
  animation: countUp 0.3s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .analysis-grid {
    grid-template-columns: 1fr;
  }
  
  .text-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .action-button {
    width: 200px;
  }
  
  .stat-value {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .complexity-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
  
  .stat-card {
    padding: 1rem;
  }
}