body { font-family: sans-serif; background: #f4f4f4; padding: 20px; }
.container { max-width: 800px; margin: auto; background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
table { width: 100%; border-collapse: collapse; margin-top: 20px; }
th, td { padding: 10px; border-bottom: 1px solid #ddd; text-align: left; }
.stats-card { padding: 15px; background: #e7f3ff; border-radius: 5px; margin-bottom: 20px; }