/* Callout Styles */
.callout {
  margin: 1.5rem 0;
  padding: 1rem;
  border-radius: 8px;
  border-left: 4px solid;
  background-color: var(--callout-bg, #f8f9fa);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.callout-header {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.callout-icon {
  margin-right: 0.5rem;
  font-size: 1.1em;
}

.callout-title {
  font-size: 1.05em;
}

.callout-content {
  line-height: 1.6;
}

.callout-content p:last-child {
  margin-bottom: 0;
}

/* Callout Types */
.callout-info {
  border-left-color: #0066cc;
  background-color: #e6f3ff;
}

.callout-tip {
  border-left-color: #28a745;
  background-color: #e8f5e8;
}

.callout-warning {
  border-left-color: #ffc107;
  background-color: #fff8e1;
}

.callout-note {
  border-left-color: #6c757d;
  background-color: #f8f9fa;
}

.callout-success {
  border-left-color: #28a745;
  background-color: #d4edda;
}

.callout-danger {
  border-left-color: #dc3545;
  background-color: #f8d7da;
}

.callout-error {
  border-left-color: #dc3545;
  background-color: #f8d7da;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  .callout {
    background-color: var(--callout-bg-dark, #2d3748);
    color: var(--text-dark, #e2e8f0);
  }
  
  .callout-info {
    background-color: #1a365d;
  }
  
  .callout-tip {
    background-color: #1a4d1a;
  }
  
  .callout-warning {
    background-color: #4d3a00;
  }
  
  .callout-note {
    background-color: #2d3748;
  }
  
  .callout-success {
    background-color: #1a4d1a;
  }
  
  .callout-danger,
  .callout-error {
    background-color: #4d1a1a;
  }
}

/* Responsive design */
@media (max-width: 768px) {
  .callout {
    margin: 1rem 0;
    padding: 0.75rem;
  }
  
  .callout-header {
    font-size: 0.95em;
  }
}

/* Formula highlighting */
.formula-highlight {
  background-color: #f8f9fa;
  border: 1px solid #dee2e6;
  border-radius: 6px;
  padding: 1rem;
  margin: 1rem 0;
  text-align: center;
}

.formula-highlight p {
  margin: 0;
  font-size: 1.1em;
  font-weight: 500;
}

/* Study and contest tips */
.study-tips,
.contest-tips {
  background-color: #f8f9fa;
  border-left: 4px solid #0066cc;
  padding: 1rem;
  margin: 1rem 0;
  border-radius: 0 6px 6px 0;
}

.study-tips li,
.contest-tips li {
  margin-bottom: 0.5rem;
}

.study-tips li:last-child,
.contest-tips li:last-child {
  margin-bottom: 0;
}

/* Formula table enhancements */
.formula-table {
  overflow-x: auto;
  margin: 1rem 0;
}

.formula-table table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
}

.formula-table th,
.formula-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid #dee2e6;
}

.formula-table th {
  background-color: #f8f9fa;
  font-weight: 600;
  border-bottom: 2px solid #dee2e6;
}

.formula-table tr:hover {
  background-color: #f8f9fa;
}

/* Dark mode for additional elements */
@media (prefers-color-scheme: dark) {
  .formula-highlight {
    background-color: #2d3748;
    border-color: #4a5568;
    color: #e2e8f0;
  }
  
  .study-tips,
  .contest-tips {
    background-color: #2d3748;
    border-left-color: #0066cc;
    color: #e2e8f0;
  }
  
  .formula-table th {
    background-color: #2d3748;
    border-bottom-color: #4a5568;
  }
  
  .formula-table th,
  .formula-table td {
    border-bottom-color: #4a5568;
  }
  
  .formula-table tr:hover {
    background-color: #2d3748;
  }
}