/* Main styles */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f8f9fa;
}

/* Lottery number display */
.number-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.number-ball {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background-color: #007bff;
  color: white;
  font-weight: bold;
  font-size: 14px;
}

.number-ball.small {
  width: 28px;
  height: 28px;
  font-size: 12px;
}

.number-ball.matched {
  background-color: #28a745;
  box-shadow: 0 0 5px #28a745;
}

.number-ball.hot {
  background-color: #dc3545;
}

.number-ball.cold {
  background-color: #17a2b8;
}

.number-more {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 5px;
  color: #6c757d;
  font-weight: bold;
}

.frequency {
  font-size: 10px;
  font-weight: normal;
  opacity: 0.8;
}

/* Card styling */
.card {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  border-radius: 8px;
  margin-bottom: 20px;
}

.card-header {
  background-color: #f8f9fa;
  border-bottom: 1px solid rgba(0, 0, 0, 0.125);
  font-weight: 500;
}

/* Footer */
.footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid #e7e7e7;
}

/* Form elements */
.form-control:focus, .form-select:focus {
  border-color: #80bdff;
  box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .number-ball {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }
  
  .number-ball.small {
    width: 25px;
    height: 25px;
    font-size: 11px;
  }
}